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Professor Messer A+ 1001 > Exam 2 > Flashcards

Exam 2 Flashcards

1
Q

B6. A server administrator has four identical drives to install into a database
server. Which of these RAID types would provide both redundancy and
the most available storage space?
❍ A. RAID 5
❍ B. RAID 10
❍ C. RAID 0
❍ D. RAID 1

A

The Answer: A. RAID 5
With RAID 5, three drives would contain user data and the fourth drive
would store parity information. This efficient use of space and the included
redundancy make RAID 5 the best option.

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2
Q

. A user has just restarted their smartphone after performing an OS update,
and now they are experiencing slow performance with all of their apps. A
hardware diagnostic reports no hardware issues. Which of the following
would be the MOST likely reason for this slowdown?
❍ A. The operating system is corrupted
❍ B. The battery is charging
❍ C. The WiFi signal strength is low
❍ D. The operating system is still updating

A

The Answer: D. The operating system is still updating
After restarting after an upgrade, it’s common for additional housekeeping
and conversion functions to continue in the background. This process
can sometimes cause the mobile device to slow down or appear sluggish,
but the issue is often resolved after the post-installation processes are
complete.

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3
Q

B8. Jack gets an error message when trying to receive email messages on his
smartphone, but he is able to send email messages without a problem. The
IMAP server name appears to be correct in the smartphone configuration.
Which of the following would be the best NEXT troubleshooting step?
❍ A. Verify the SMTP server name
❍ B. Restart the smartphone
❍ C. Confirm the IMAP username and password
❍ D. Connect to a different wireless network

A

The Answer: C. Confirm the IMAP username and password
IMAP (Internet Message Access Protocol) is commonly used for
retrieving emails from a central server. Most IMAP configurations require
a valid IMAP server address and correct credentials for the mailbox, so
it’s useful to check those configuration settings before any additional
troubleshooting.

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4
Q

B9. What kind of IPv6 address starts with fe80: ?
❍ A. Link-local
❍ B. Broadcast
❍ C. Loopback
❍ D. Multicast

A

The Answer: A. Link-local
A link-local address is an address that can only communicate to other
devices on the same subnet. In IPv6, all link-local addresses start with
fe80:.

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5
Q

B10. A user has reported that their tablet is not able to retrieve or send mail,
browse the Internet, or connect to video conferences. Apps on the device
that do not require connectivity are working as expected. Which of these
would be the MOST likely cause of this issue?
❍ A. Battery is very low
❍ B. Airplane mode is enabled
❍ C. An invalid certificate is installed
❍ D. The tablet is overheated

A

The Answer: B. Airplane mode is enabled
Airplane mode will disable all network connectivity for a device. This
would include the 802.11 network, cellular network, and Bluetooth
connections. All other device functions will continue to work normally

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6
Q

B11. A PC technician has been asked to replace the LCD display on a touchscreen laptop computer. Which of the following would be the MOST
important component to test after this replacement?
❍ A. Digitizer
❍ B. Keyboard
❍ C. Audio controls
❍ D. System memory

A

The Answer: A. Digitizer
A digitizer is built into the LCD display, and it would be the most likely
component to have a problem after the entire display has been replaced.

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7
Q

B12. The computers in the shipping department are receiving the message
“No connectivity” on their computers. The ipconfig output on one of the
computers provides this information:
IPv4 Address: 192.168.1.22
Subnet Mask: 255.255.255.0
Default Gateway: 192.168.1.1
From this device, a technician is able to successfully ping 127.0.0.1 and
192.168.1.22. The technician can also ping other devices in the shipping
department, but cannot receive a ping response from servers in the data
center or from the 192.168.1.1 address.

A

The Answer: C. The local router is down
The default gateway is commonly the local router for the IP subnet. If the
default gateway address of 192.168.1.1 is not responding to a ping, then
the router may not be operational.

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8
Q

B13. Jack is planning to travel overseas, and he wants to be sure his tablet
computer will have enough power to make it through the long flight. The
airline does not guarantee that power outlets will be available during the
trip. Which of the following should Jack consider taking on this flight?
❍ A. Extra-long USB charging cord
❍ B. Universal travel adapter
❍ C. MicroSD cards
❍ D. External USB chargers

A

he Answer: D. External USB chargers
An external USB charger can be used to recharge a device without
requiring a power outlet. If you’re in an area with no charging options, an
external USB charger can provide you with additional battery time.

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9
Q

B14. A graphics designer is working on a computer that powers itself off after
about an hour of work. The computer tends to power down when working
on complex designs that require extensive CPU utilization. Which of the
following would be the MOST likely reason for this issue?
❍ A. The case fans are blocked
❍ B. The hard drive is failing
❍ C. The graphics software is corrupted
❍ D. A device driver is outdated

A

The Answer: A. The case fans are blocked
Most motherboards are designed to power off automatically if the
temperatures become excessive. If the case fans are blocked, the inside of
the computer will not be able to efficiently cool the system. Eventually, the
heat from the heavily-worked CPU will cause the system to power down.

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10
Q

B15. Which of these services would be associated with a Windows file
transfer?
❍ A. LDAP
❍ B. SMB
❍ C. IMAP
❍ D. AFP

A

The Answer: B. SMB
SMB (Server Message Block) is the protocol used by Microsoft Windows
for file sharing, printer sharing, and other Windows services. SMB
commonly uses port 445 to provide direct SMB communication between
Windows devices.

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11
Q

B16. A server administrator is configuring a new system for virtualization.
Which of the following configurations would provide virtualization
support on an Intel CPU?
❍ A. Install a 64-bit operating system
❍ B. Turn on HTT
❍ C. Allocate a larger amount of storage space to the
virtualization partition
❍ D. Enable VT in the firmware

A

The Answer: D. Enable VT in the firmware
Many Intel processors support VT, or Intel Virtualization Technology.
This CPU (Central Processing Unit) feature for virtualization provides
hardware support for hypervisors and can make the virtualization process
much more efficient than running the virtual machines in a software-only
environment.

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12
Q

B17. A user in the shipping department is printing a single page to your laser
printer, but the output includes the printed page with three or four pages
stuck together underneath it. Which of these would be the most likely
cause of this issue?
❍ A. Duplexer
❍ B. Transfer belt
❍ C. Fuser assembly
❍ D. Separation pad
❍ E. Imaging drum

A

The Answer: D. Separation pad
The separation pad ensures that the printer will pull a single page from the
paper tray at a time. As the separation pad becomes worn, more than one
page can be pulled through the laser printing process.

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13
Q

B18. A company is using a cloud-based service that provides a hardware
platform and no additional software. Which of these would BEST
describe this purchase?
❍ A. SaaS
❍ B. Hybrid
❍ C. Metered
❍ D. IaaS

A

The Answer: D. IaaS
IaaS (Infrastructure as a Service) is a model that provides the computing
platform, but no additional software. The user will usually configure the
platform with the appropriate CPU, memory, and storage options, and
the service provider is only responsible for the uptime and availability of
the hardware platform. The user is generally responsible for all software
administration.

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14
Q

B19. While working at their desk, a laptop user would like to use a full-size
keyboard and external mouse. They would also like to connect to a
monitor and wired network without connecting and disconnecting cables
each time they leave the desk. Which of these would be the BEST way to
provide this functionality?
❍ A. Use separate desktop and laptop computers
❍ B. Install a docking station at the user’s desk
❍ C. Use a wireless access point at the user’s desk
❍ D. Install a USB hub for the laptop

A

The Answer: B. Install a docking station at the user’s desk
A docking station provides the laptop with a single connection to video,
network, keyboard, mouse, and other peripheral connections on their desk

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15
Q

B20. A server administrator would like to archive all of the company’s server
performance statistics for the past year. The total amount of space used by
the statistics files is 7.4 GB of information. Which of these can be used
to store this information onto a single disc with a minimum of wasted
space?
❍ A. Blu-ray SL
❍ B. CD-ROM
❍ C. DVD-RW DL
❍ D. Blue-ray DL

A

The Answer: C. DVD-RW DL
A DVD-RW DL (Digital Versatile Disc, Read/Write, Dual-Layer)
provides 8.5 GB (gigabytes) of available storage space.

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16
Q

B21. In which of the following would a cable with a DB-9 connector be used?
❍ A. Attaching a mouse or keyboard to a desktop computer
❍ B. Configuring a router
❍ C. Connecting an external storage device
❍ D. Attaching a video camera to a computer

A

The Answer: B. Configuring a router
A DB-9 connector, or less commonly, DE-9 (D-subminiature size E, 9
pin) is a connector used to send serial signals to another device. A DB-9
connector on a computer is commonly used to connect to the management
interface of a switch, router, firewall, or another infrastructure device.

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17
Q

B22. A workstation administrator is configuring a new system for graphics
designers, and the users have requested the fastest possible storage speed
for reading and writing data. Which of the following would be the BEST
choice for this requirement?
❍ A. 10 TB NAS
❍ B. 8 TB HDD
❍ C. 5 TB SAN
❍ D. 2 TB SSD

A

The Answer: D. 2 TB SSD
The most important requirement for this new system is the speed of
reading and writing data. Of the available options, the fastest throughput
is an SSD (Solid-State Drive). Although the storage space is the lowest
of the available options, the users didn’t specify any minimum storage size
requirements.

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18
Q

B23. A new laptop is connected to an LCD projector in a conference room.
However, the LCD projection shows a compressed picture where squares
look more like rectangles. Which of the following would resolve this
issue?
❍ A. Replace the video cable
❍ B. Change the laptop resolution
❍ C. Power cycle the projector
❍ D. Replace the projector bulb

A

The Answer: B. Change the laptop resolution
The resolution setting of an LCD (Liquid Crystal Display) monitor or
projector will display information with a specific number of horizontal and
vertical pixels. If the resolution of the display is different than the settings
on the computer, the output may appear skewed or blurry due to an
incorrect aspect ratio. Setting the computer to match the native resolution
of the monitor will provide the best possible output.

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19
Q

B24. A marketing manager is printing twenty copies of a three-page document.
The printer outputs twenty copies of page one, twenty copies of page two,
and twenty copies of page three. Which of the following would allow the
marketing manager print multiple copies in their proper order?
❍ A. Select the duplex print option
❍ B. Modify the print sharing permissions
❍ C. Enable collated output
❍ D. Change the output orientation

A

The Answer: C. Enable collated output
Collated output will print each page of a document before printing
another copy of that same document. Before printing with the collated
option, the printer would output page 1, 1, 1, 2, 2, 2, 3, 3, 3, etc. With the
collated option, the printer output would be 1, 2, 3, 1, 2, 3, 1, 2, 3, etc.

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20
Q

B25. A system administrator has been asked to create a group of application
server VMs. The application team has provided a list of the hardware
requirements for each server. Which of the following tools should the
system administrator use to configure the VMs?
❍ A. Memory manager
❍ B. Hypervisor
❍ C. Defragmentation utility
❍ D. Network manager
❍ E. Service manager

A

The Answer: B. Hypervisor
A hypervisor is software that manages virtual machines (VMs) and their
connection to the physical hardware.

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21
Q

B26. A manager needs a device that can provide text message notifications
while out of the office without using a mobile phone. Which of the
following would BEST fit this requirement?
❍ A. e-Reader
❍ B. Smart watch
❍ C. Augmented reality
❍ D. GPS

A

The Answer: B. Smart watch
A smart watch with cellular radio connectivity can provide text messaging
and other connectivity features without requiring a mobile phone to be
nearby.

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22
Q

B27. A company uses riser cards in all of their rack-mounted servers. Which of
the following would BEST describe the use of these riser cards?
❍ A. Improves airflow
❍ B. Increases PCIe bus throughput
❍ C. Improves security to PCIe-connected devices
❍ D. Accommodates larger PCIe adapters

A

The Answer: D. Accommodates larger PCIe adapters
Riser cards extend motherboard expansion slots 90-degrees and allow
PCIe (Peripheral Component Interconnect Express) slots to be installed
horizontally in a computer or server.

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23
Q

B28. A medical office is installing a new network attached storage device.
Which of the following components would be MOST important for this
installation? (Choose TWO)
❍ A. SSD
❍ B. High-end video
❍ C. Gigabit NIC
❍ D. Dual monitors
❍ E. Enhanced audio card
❍ F. RAID array

A

The Answers: C. Gigabit NIC, and F. RAID array
A NAS (Network Attached Storage) device needs a lot of storage space,
and it needs to provide access to that storage across the network. For those
reasons, a RAID (Redundant Array of Independent Disks) array and a
gigabit NIC (Network Interface Card) are important components of any
NAS configuration.

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24
Q

B29. A manufacturing company uses a specialized printer that connects to
a Windows computer over a USB connection. Which of the following
would be the BEST way to allow all Windows devices in the company to
send print jobs to this printer?
❍ A. Connect using AirPrint
❍ B. Configure Windows Printer Sharing
❍ C. Use Print to File and copy the file to the printer
❍ D. Copy the print jobs to a USB drive

A

The Answer: B. Configure Windows Printer Sharing
Windows Printer Sharing allows the Windows computer connected to
the printer to act as a print server. All devices on the network can view the
printer and send print jobs to the printer using the Printer Sharing feature.

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25
Q

B30. Which of these would commonly be used to connect to an external
storage device?
❍ A. F-connector
❍ B. BNC
❍ C. eSATA
❍ D. Molex

A

The Answer: C. eSATA
eSATA (External Serial ATA) is the external version of the internal SATA
standard. The connectors for eSATA are slightly different than the internal
SATA connectors.

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26
Q

B31. A company has acquired computers that were previously part of a thirdparty lease. All of the computers prompt for a password when powering
on the system before the operating system will load, but the password was
not included with the computers. Which of the following would be the
BEST way to resolve this issue?
❍ A. Replace the primary storage drive
❍ B. Boot from the Windows installation media
❍ C. Reset the BIOS using jumpers on the motherboard
❍ D. Disconnect the power cable for ten minutes

A

The Answer: C. Reset the BIOS using jumpers on the motherboard
The BIOS (Basic Input Output System) of a computer can often be
assigned configuration or management passwords that would prevent
any changes to the BIOS settings. The BIOS also supports a boot or
user password, and the system will not boot until the correct password
is entered. This password can often be reset by shorting a jumper on the
motherboard and restarting.

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27
Q

B32. A user has complained that a laptop will not charge their battery past
25% percent, and the laptop only operates for fifteen minutes when on
battery power. The battery and the AC adapter have already been replaced.
Which of the following components would be the MOST likely cause of
this issue?
❍ A. Motherboard
❍ B. Backlight inverter
❍ C. 802.11 adapter
❍ D. CPU

A

The Answer: A. Motherboard
The motherboard on a laptop usually contains all of the major subsystems,
including the CPU (Central Processing Unit), memory, video, and power.
If the laptop will not charge a battery or power the system, then the entire
motherboard will need to be replaced.

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28
Q

B33. A field engineer is working at a remote site that is under construction, but
the site does not have an Ethernet or Wi-Fi Internet connection. Which
of the following would be the BEST way to get access to the Internet at
this location?
❍ A. Bluetooth
❍ B. Hotspot
❍ C. WMN
❍ D. NFC

A

The Answer: B. Hotspot
Configuring a mobile phone as a hotspot allows one or more people to
use the phone’s Internet connection over Wi-Fi. If Internet isn’t currently
available from another 802.11 wireless network, then using the hotspot
feature can provide an option for Internet access.

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29
Q

B34. Which of the following would be the MOST likely reason a laser printer
would show an “Out of Memory” error?
❍ A. The output was designed in color, but the laser printer prints
only black and white
❍ B. The output is a complex graphical diagram
❍ C. The printer is low on toner and cannot complete the print job
❍ D. The connection between the computer and the printer is faulty

A

The Answer: B. The output is a complex graphical diagram
A laser printer has to build a the entire page of output in memory before
the printing process can begin. If the content of the page contains complex
graphics, then more memory will be required. If the printer is not able to
build the entire page in RAM (Random Access Memory), then the printer
will usually print a portion of the page and show an “Out of Memory”
error.

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30
Q

B35. A technician is upgrading the RAM on a laptop computer. Which of the
following would BEST describe the memory required for this upgrade?
❍ A. SSD
❍ B. SO-DIMM
❍ C. CMOS
❍ D. ECC

A

The Answer: B. SO-DIMM
The SO-DIMM (Small Outline Dual In-line Memory Module) form
factor is about half the length of standard DIMMs. This smaller size
makes it a common option for memory modules in laptop computers
where size is limited.

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31
Q

B36. A user in the marketing department requires a device with the
following features:
* Display slide presentations to a group without a projector
* Respond to email messages without using a laptop
* View complex graphical documents
Which of the following would BEST meet all of these requirements?
❍ A. Tablet
❍ B. Smart phone
❍ C. e-Reader
❍ D. Smart watch

A

The Answer: A. Tablet
A tablet is the only device from this list that is large enough to display
slide presentations to more than one person, send and receive email
messages, and display graphical information on the screen.

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32
Q

B37. Daniel is building out a new floor of office space for his company. Which
of the following cables would be the BEST choice to install in the active
airspace above the drop ceiling?
❍ A. Plenum-rated
❍ B. Shielded twisted-pair
❍ C. Coaxial
❍ D. PVC jacketed twisted-pair

A

The Answer: A. Plenum-rated
The plenum space is the area above a drop ceiling that is used for building
air circulation. In the case of a fire, this area should contain objects that
have specific characteristics when heated. Network cables in this area are
categorized as plenum-rated, and their construction will limit smoke and
toxic fumes.

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33
Q

B38. A developer is connecting a laptop to an LCD projector, but the system is
displaying artifacts on both screens when the two are connected. Which
of the following should resolve this issue?
❍ A. Disable advanced video features
❍ B. Turn the projector off and back on again
❍ C. Change the laptop resolution
❍ D. Connect the laptop to a power source

A

he Answer: A. Disable advanced video features
The visual “glitches” displayed by graphical artifacts are often associated
with a device driver configuration or with a video adapter hardware
problem. Many graphics drivers include advanced features that can
sometimes conflict with certain software, and disabling the advanced
features can usually correct this issue.

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34
Q

B39. A graphics designer needs to connect their macOS computer to a second
monitor and an external storage drive. Which of the following interface
types would provide this connectivity?
❍ A. Lightning
❍ B. DisplayPort
❍ C. DVI-D
❍ D. Thunderbolt

A

he Answer: D. Thunderbolt
The Thunderbolt standard was created by Intel to connect external
peripherals to a computer at high speeds. The Thunderbolt standard
supports many different peripheral types, including displays, external
storage, Ethernet network connections, and many others.

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35
Q

B40. What cloud-based service provides hardware, but still requires the user to
setup, configure, and manage the operating system and applications?
❍ A. SaaS
❍ B. PaaS
❍ C. IaaS
❍ D. DaaS

A

The Answer: C. IaaS
IaaS (Infrastructure as a Service) is a service hosting option that provides
CPU, memory, network connections, and storage, and the customer installs
and manages all of the software that uses the infrastructure hardware.

36
Q

B41. Which of these network types would be MOST associated with a PAN?
❍ A. ISDN
❍ B. Bluetooth
❍ C. Ethernet
❍ D. Satellite

A

The Answer: B. Bluetooth
Bluetooth describes the short-range networks used on many mobile
devices. These networks are designed for an individual and are categorized
as PANs (Personal Area Networks).

37
Q

B42. While standing in line at the store, you see another customer use their
mobile phone with the contactless payment option. Which of these
connection types was used to complete this sales transaction?
❍ A. Bluetooth
❍ B. IR
❍ C. NFC
❍ D. 802.11

A

The Answer: C. NFC
NFC (Near Field Communication) is a limited-area wireless technology,
and it’s commonly used with payment systems, information exchange, and
other quick transactions.

38
Q

B43. A manager in the accounting department is complaining of slow
performance on her computer. Initial troubleshooting shows low
utilization of CPU and memory. A network speed test reports normal
throughput to the local network devices. Which of the following would
be the BEST next step for troubleshooting this issue?
❍ A. Boot to Safe Mode
❍ B. Upgrade the BIOS
❍ C. Replace the memory modules
❍ D. Perform a hard drive diagnostic

A

The Answer: D. Perform a hard drive diagnostic
If a slowdown is not associated with CPU, memory, or the network,
then the issue may be with some other type of hardware. A diagnostic
of the hard drive would identify any issues that could be slowing down
the computer.

39
Q

B44. A server administrator has moved a database server from a lab to a data
center. After installing the server in a data center rack, the system does
not power on. None of the system lights are on, and the power supply and
cooling fans do not spin up. Which of the following should be the FIRST
troubleshooting step for this issue?
❍ A. Replace the power supply
❍ B. Use a multimeter to check motherboard voltages
❍ C. Check the power cable
❍ D. Replace the motherboard

A

The Answer: C. Check the power cable
When troubleshooting, the easiest possible solution should usually be the
first one to check. This particular system has already been in use, and the
system administrator was the person who moved it from one location to
another. Of the available options, checking the power cable should be the
first thing to check when power issues arise.

40
Q

B45. A user is traveling and has enabled airplane mode on their laptop, but
they would still like to use their wireless headset. Which of these settings
should be enabled to allow this functionality?
❍ A. Wi-Fi
❍ B. USB
❍ C. Bluetooth
❍ D. Cellular

A

The Answer: C. Bluetooth
Bluetooth networks are PANs (Personal Area Networks) that provide a
short-distance connection to local peripherals. For example, it’s common
to use a Bluetooth link to connect to headsets, wireless mice, keyboards, or
speakers.

41
Q

B46. A production editor is configuring a new video editing workstation.
Which of the following would be the MOST important component for
this system?
❍ A. RAID array
❍ B. Dual monitors
❍ C. High-end cooling
❍ D. Gigabit NIC

A

The Answer: B. Dual monitors
Video editors need one monitor for editing and a second monitor to view
the results of the output.

42
Q

B47. A system administrator has been asked to troubleshoot a print server that
is no longer operating. The print server displays an error code on the front
panel and does not respond to any user input. The system administrator
has created a list of four theories that might cause this particular error.
Which of the following would be the best NEXT troubleshooting step?
❍ A. Test each theory on a lab system
❍ B. Document the theories in the company knowledgebase
❍ C. Try different theories on the print server until the
problem is resolved
❍ D. Replace the print server device

A

The Answer: A. Test each theory on a lab system
Before a plan of action can be established, it’s important to know which
plan to follow. Testing each theory can help determine which guesses
might resolve the issue and which theories had no effect.

43
Q

B48. Which of these devices sends incoming traffic to every other port
on the device?
❍ A. Router
❍ B. Unmanaged switch
❍ C. Cable modem
❍ D. Hub

A

The Answer: D. Hub
A hub does not make any forwarding decisions based on the contents of a
network frame. When the frame is received by the hub, it sends a copy of
that frame to every other interface on the hub.

44
Q

B49. Which of these wireless standards was the first to introduce 54 Mbit/sec
throughput on the 2.4 GHz band?
❍ A. 802.11g
❍ B. 802.11ac
❍ C. 802.11n
❍ D. 802.11b

A

The Answer: A. 802.11g
802.11g used the same 2.4 GHz frequencies as the 802.11b standard, but
the maximum theoretical throughput was increased from 11 megabits per
second to 54 megabits per second.

45
Q

B50. An organization has implemented a cloud solution that uses a thirdparty data center. Access to the cloud service is available to anyone on the
Internet. Which of the following describes this deployment model?
❍ A. Hybrid
❍ B. Public
❍ C. Community
❍ D. Private

A

The Answer: B. Public
Public cloud deployments are for organizations that would like to provide
services to anyone on the Internet. Google Mail is an example of a public
cloud service.

46
Q

B51. What voltages would be commonly found on a motherboard’s power
supply connector?
❍ A. 120 V AC
❍ B. 12 V AC, 5 V AC, 3.3 V AC
❍ C. 12 V DC, 5 V DC, 3.3 V DC
❍ D. 120 V DC

A

The Answer: C. 12 V DC, 5 V DC, 3.3 V DC
A computer’s power supply provides direct current (DC) at twelve volts,
five volts, and 3.3 volts.

47
Q

B52. A user is reporting this message on their Windows computer taskbar
icon: “Limited or No connectivity.” Which of the following would be the
best NEXT troubleshooting step?
❍ A. Check the local IP address configuration
❍ B. Restart the computer
❍ C. Ping the default gateway
❍ D. Check the switch VLAN configuration
❍ E. Check for a duplicate IP address

A

The Answer: A. Check the local IP address configuration
The message of limited connectivity is usually based on a system that
does not have access to network resources. This is often occurs when a
system is not able to contact a DHCP (Dynamic Host Configuration
Protocol) server and instead assigns itself an APIPA (Automatic Private
IP Addressing) address. A check of the local IP address may identify a
configuration error or an link-local address.

48
Q

B53. What kind of device is installed into a computer and directly connects the
computer to an Ethernet network?
❍ A. NIC
❍ B. Switch
❍ C. Repeater
❍ D. Bridge

A

The Answer: A. NIC
A NIC (Network Interface Card) is the hardware that connects a device
to a network. Some NICs are integrated into computer motherboards, and
other NICs are separate interface cards.

49
Q

B54. A network administrator is planning to connect the network of two
buildings together with a Category 5e cable. Ten Ethernet cables have
been run from a wiring closet, through a conduit, and into a wiring closet
on the other side. The network administrator needs to identify the ends of
the cables so they can be properly terminated on each side. Which of the
following should be used to complete this task?
❍ A. Multimeter
❍ B. Loopback plug
❍ C. Tone generator
❍ D. Crimper

A

The Answer: C. Tone generator
A tone generator places an analog audio tone onto the wires of a cable, and
an inductive probe is then used on the other side to precisely identify the
cable that contains the tone signal. By moving the tone generator to each
of the ten cables, the other cable end can easily be identified and labeled.

50
Q

B55. A server administrator has configured a database server with a RAID 0
array containing four hard drives. An error notification from the RAID
controller states that disk 3 has failed. Which of the following would be
the BEST way to address this disk failure?
❍ A. Replace the drive and re-mirror the array
❍ B. Replace the drive and resynchronize the array
❍ C. Replace the drive and restore from backup
❍ D. Replace all drives and restore from backup
❍ E. Replace all drives and resynchronize the array

A

The Answer: C. Replace the drive and restore from backup
RAID 0 (Redundant Array of Independent Disks, Level 0) is a type
of array that provides an efficient storage method at the expense of
redundancy. Data in RAID 0 is striped across multiple drives, and if one
drive is lost then the data in the array is also lost. To resolve a bad RAID
0 drive, the bad drive will need to be replaced and all of the data must be
restored from a backup.

51
Q

B56. A user on a Windows workstation would like to configure their system to
discover Apple devices on the LAN. Which of the following should be
installed on the Windows computer?
❍ A. Bonjour
❍ B. SNMP
❍ C. Finder
❍ D. NetBIOS

A

The Answer: A. Bonjour
Bonjour is an Apple protocol that assists with discovering Apple devices
on the local network. This protocol is included in macOS, and it can be
added to Windows by installing Apple software such as iTunes.

52
Q

B57. A server administrator has replaced a bad hard drive in a RAID array and
has verified that the array is operating with full functionality. Which of
the following would be the best NEXT troubleshooting step?
❍ A. Run diagnostics on the bad hard drive
❍ B. Replace the RAID controller
❍ C. Create a list of optional troubleshooting steps
❍ D. Document the drive replacement

A

The Answer: D. Document the drive replacement
After an issue has been resolved, the last step of the troubleshooting
process is to document the issue, the solution, and any important details
that were identified during the process.

53
Q

B58. An application developer is designing an app that uses three servers
running simultaneously as VMs on her desktop. An upgrade to the
application will add three additional servers to the list of running VMs.
Which of these hardware resources will be the MOST important for
this upgrade?
❍ A. Video adapter
❍ B. Network connection
❍ C. RAM
❍ D. CPU

A

The Answer: C. RAM
Without any additional information about the applications, the most
critical resource for these new servers will be the amount of RAM required
to keep all of the operating systems running simultaneously

54
Q

B59. Which of these characteristics would be most important for a CAD/
CAM workstation? (Choose TWO)
❍ A. SSD storage
❍ B. High-end video
❍ C. Enhanced audio
❍ D. HDMI interfaces
❍ E. TV tuner

A

The Answers: A. SSD storage, and B. High-end video
A CAD/CAM (Computer Aided Design / Computer Aided
Manufacturing) system will be using applications that have significant
graphical requirements and storage needs. For these types of computers,
high speed SSD (Solid State Drive) storage and high-end video are a
necessity.

55
Q

B60. A network engineer is troubleshooting an issue communicating to the
Internet over a newly installed DSL connection. A laptop is connected to
a DSL router over twisted pair copper. The IP configuration of the
laptop is:
IP address: 169.254.228.109
Subnet mask: 255.255.0.0
DNS: 9.9.9.9
Which of the following should be the NEXT troubleshooting step?
❍ A. Reset the DSL modem
❍ B. Modify the subnet mask
❍ C. Change the DNS server address
❍ D. Check the status of the DHCP server

A

The Answer: D. Check the status of the DHCP server
A DHCP (Dynamic Host Configuration Protocol) server is the service
that automatically distributes IP addresses to the new devices that
connect to a network. If the DHCP isn’t available, the computer will
commonly auto-configure itself with an APIPA (Automatic Private IP
Addressing) address. Addresses between the range of 169.254.1.0 through
169.254.254.255 are assigned to devices using APIPA.

56
Q

B61. A user in the accounting department has configured their mobile phone
for tethering. Which of these would BEST describe this configuration?
❍ A. Use the phone as a method of payment
❍ B. Fast-charge the phone
❍ C. Access the Internet through the phone
❍ D. Connect to external speakers

A

The Answer: C. Access the Internet through the phone
Tethering allows a user to turn their phone into an Internet router. A
separate device can be physically wired or wirelessly connected to the
phone, and the phone then provides access to the Internet over the cellular
network.

57
Q

B62. A user has connected an external display to their laptop computer and
would like to mirror the contents of the laptop’s LCD to the external
monitor. Which of these would be the BEST way to provide this
functionality?
❍ A. Modify the video output interface in the BIOS
❍ B. Power cycle the external display
❍ C. Update the laptop’s video driver
❍ D. Use the Fn key to toggle between video configurations

A

The Answer: D. Use the Fn key to toggle between video configurations
The laptop’s Fn (Function) key can be used with a specially labeled key to
control the video output between the internal laptop LCD (Liquid Crystal
Display) panel, the external video display, or both simultaneously

58
Q

B63. An organization has recently implemented a browser-based email system
that requires no additional software on the user devices. Which of the
following would describe this type of application?
❍ A. SaaS
❍ B. IaaS
❍ C. HaaS
❍ D. PaaS

A

The Answer: A. SaaS
SaaS (Software as a Service) is on-demand software. The client does
not maintain a local software installation, and the application support is
managed by the service provider. Google Mail is an example of SaaS.

59
Q

B64. What type of power supply can operate in countries that use
different voltages?
❍ A. High-voltage
❍ B. Primary
❍ C. Notched
❍ D. Auto switching

A

The Answer: D. Auto switching
An auto switching power supply can automatically detect and use different
input voltages without the need to manually select an input voltage before
connecting. This is especially useful when using equipment in countries
that provide 120 volts of alternating current, and then moving that same
equipment in a country that uses 240 volts of alternating current.

60
Q

B65. A user is reporting that after starting their desktop, they receive the
message “Windows has detected an IP address conflict.” Which of the
following would be the BEST way to resolve this issue?
❍ A. Replace the Ethernet patch cable
❍ B. Enable DHCP on the workstation
❍ C. Bounce the switch port
❍ D. Reboot the default gateway

A

The Answer: B. Enable DHCP on the workstation
One of the more useful features of a DHCP (Dynamic Host
Configuration Protocol) server is the controlled assignment of IP (Internet
Protocol) addresses. If the DHCP server is assigning all IP addresses, then
a duplicate is unlikely. If a device is configured for manual addressing,
then configuring the device to receive IP addresses via DHCP can avoid
possible address duplication.

61
Q

B66. Daniel has just been issued a new smartphone, and he now has access to
email, the corporate VPN, and a secure app for time tracking. Which of
the following should be used to manage authentication for all of these
services?
❍ A. SSL
❍ B. Virtualization
❍ C. GPS
❍ D. SSO

A

The Answer: D. SSO
SSO (Single Sign-on) is a common method of managing the
authentication process. The user provides their authentication credentials
one time, and those credentials are used to provide access to all services
without requiring the user to authenticate separately to each service.

62
Q

B67. Which of the following would be used to terminate a copper Ethernet
patch cable?
❍ A. BNC
❍ B. RS-232
❍ C. RJ45
❍ D. DB-9

A

The Answer: C. RJ45
Copper Ethernet cables are commonly terminated with an 8P8C
(Eight Position / Eight Conductor) RJ45 (Registered Jack 45) standard
connector.

63
Q

B68. A technician has replaced a laser printer toner cartridge, but now the
output does not appear as dark as the original toner cartridge. Which of
the following would be the best way to address this issue?
❍ A. Run a printer calibration
❍ B. Replace the fuser
❍ C. Use a laser printer maintenance kit
❍ D. Clean the OPC drum

A

The Answer: A. Run a printer calibration
A laser printer calibration allows the user to adjust the amount of toner
used for the output. Different models of toner cartridges can cause the
amount of toner output to vary, and the calibration process adjusts the
toner output to the best levels.

64
Q

B69. A system administrator has just received a laptop that was previously sent
out for repair. However, after powering on the computer, the laptop no
longer responds to the stylus. Which of the following is the MOST likely
reason for this issue?
❍ A. The GPU requires an updated device driver
❍ B. The display needs a new inverter
❍ C. The display needs to be paired to the laptop motherboard
❍ D. The digitizer is faulty

A

The Answer: D. The digitizer is faulty
The digitizer converts the touch of a finger or a stylus to digital signals
that can be used by the computer. If the digitizer is not operational, then
the screen will not be able to interpret the input from a stylus.

65
Q

B70. A graphics designer has noticed that small dots on their screen remain a
solid red color, even when the image should be a different color. Which of
the following would describe this issue?
❍ A. Burn-in
❍ B. Artifact
❍ C. Motion trail
❍ D. Stuck pixel

A

The Answer: D. Stuck pixel
A stuck pixel is a single dot (pixel) on the screen that remains a single
color and does not change with the image. These pixels are usually more
obvious when the entire screen is black, but a single pixel remains “stuck”
as red, green, or another color. A pixel that does not display any color is
often called a “dead” pixel.

66
Q

B71. A gaming enthusiast has upgraded his home computer from integrated
graphics to a separate video adapter card. The computer operates as
expected for web browsing and word processing applications. However,
playing a game results in the system shutting down after a few minutes
of operation. Which of the following would be the MOST likely
component causing this issue?
❍ A. CPU
❍ B. Power supply
❍ C. RAM
❍ D. SSD

A

The Answer: B. Power supply
Adding additional components to a computer can often increase the power
usage, and video adapter cards are one of the most power-hungry devices
that you can add to a computer. If a system is displaying errors or shutting
down during periods of heavy use, then the issue is commonly related to
heat or power.

67
Q

B72. A network administrator has just installed a new WAP in a downtown
office building, but now users are reporting intermittent connectivity
to the Internet. Which of the following would be the FIRST thing to
check?
❍ A. SSID broadcast option
❍ B. Firmware version
❍ C. MAC filter
❍ D. Channel interference levels

A

The Answer: D. Channel interference levels
In areas with many different organizations located near each other, it’s
possible that the frequencies used on different WAPs (Wireless Access
Points) could conflict with each other and cause interference with wireless
communication. In busy areas, it’s recommend to perform an analysis of
the current frequencies in use before installing a new access point.

68
Q

B73. A network administrator would like to prevent wired kiosk workstations
from connecting to the wireless network. Which of the following would
be the BEST way to provide this type of control?
❍ A. QoS
❍ B. Port forwarding
❍ C. UPnP
❍ D. MAC filtering

A

The Answer: D. MAC filtering
Filtering on a MAC (Media Access Control) address allows the network
administrator to control which physical devices can connect to a network.
If the kiosk workstations are added to a MAC address blacklist, those
specific devices will be blocked from connecting to the wireless network.

69
Q

B74. A network administrator is installing a wireless network for a new
development project. Which of the following would be the BEST
configuration for wireless security?
❍ A. WPS
❍ B. WPA
❍ C. QoS
❍ D. WEP

A

The Answer: B. WPA
WPA (Wi-Fi Protected Access) encryption is one of most useful security
features on a wireless network. Version two, or WPA2, is one of the more
popular versions of this encryption standard, and it’s common to see this
encryption type enabled on secure wireless networks.

70
Q

B75. Users in the marketing department are reporting that one network
printer is not working. There are many print jobs in the queue, but
none of the jobs have started to print. A test print from the printer’s front
panel does not print any pages. What is the MOST likely reason for this
printing issue?
❍ A. Printer drivers need to be updated
❍ B. Network is disconnected
❍ C. Printer hardware has failed
❍ D. Print spooler needs to be restarted

A

The Answer: C. Printer hardware has failed
If the printer was operational, then a printer check from the front panel
should provide output. The test print bypasses the network and print
spooler and provides a check for print quality. If the local test print isn’t
working, then the printer itself has some type of hardware failure.

71
Q

B76. A member of the accounting department would like to work remotely
while attending a conference in another city. Which of these technologies
would BEST provide this functionality?
❍ A. VLAN
❍ B. 802.11
❍ C. VPN
❍ D. NAT

A

The Answer: C. VPN
A VPN (Virtual Private Network) would allow a remote user to connect
back to the corporate office over a secure encrypted tunnel.

72
Q

B77. In which of the following situations would you be MOST likely to
use a multimeter?
❍ A. Identify interference on wireless channels
❍ B. Map the pins of an Ethernet cable
❍ C. Test packet loss on a router interface
❍ D. Locate a specific workstation connection on a punch-down block

A

The Answer: B. Map the pins of an Ethernet cable
The continuity feature of a multimeter can be used to create a wire map if
both ends of the cable are relatively close to each other.

73
Q

B78. A digital graphics department has been using a SAN to store their image
files. The team now reports that all of the files on the SAN are no longer
accessible. Which of the following should be the FIRST thing to check
on the SAN?
❍ A. RAID array status
❍ B. CPU utilization
❍ C. Input voltage
❍ D. Cache hits

A

The Answer: A. RAID array status
A SAN (Storage Area Network) is a network-connected storage array. If
the SAN is unavailable, then it’s possible that the drive array is having a
technical issue. The first thing to check on the SAN is the sharing service
and network connectivity. Once those are verified to be working, the
troubleshooting can continue.

74
Q

B79. A network administrator is troubleshooting an issue in a home with a
brand of IoT light switches. Which of these technologies would MOST
likely be used?
❍ A. NFC
❍ B. Bluetooth
❍ C. RFID
❍ D. Zigbee
The Answer: D. Zigbee
Zigbee is a common mesh wireless technology used for IoT (Internet
of Things) devices. Zigbee uses the 900 MHz and 2.4 GHz frequencies
of the ISM (Industrial, Scientific, and Medical) band to provide
communication between lights, doors, and other IoT devices.

A

The Answer: D. Zigbee
Zigbee is a common mesh wireless technology used for IoT (Internet
of Things) devices. Zigbee uses the 900 MHz and 2.4 GHz frequencies
of the ISM (Industrial, Scientific, and Medical) band to provide
communication between lights, doors, and other IoT devices.

75
Q

B80. A network administrator has upgraded the wireless router in a small
remote location. Now that the upgrade is complete, the computers and
laptops on the network are not able to connect to any local servers.
Which of the following would be the MOST likely reason for this issue?
❍ A. The operating systems are not compatible with the new network
❍ B. The DHCP configuration has changed
❍ C. The Internet connection is not active
❍ D. The computers and laptops need to be upgraded

A

The Answer: B. The DHCP configuration has changed
SOHO (Small Office / Home Office) routers often include many
different components, including a wireless access point, network switch,
DHCP (Dynamic Host Configuration Protocol) server, and more. The
IP addressing scheme can sometimes be different between models, so any
of the existing network devices may require the renewal of their DHCPobtained IP addresses before they can communicate to each other.

76
Q

B81. A system administrator needs to replace the keyboard on a laptop, but
the vendor has not provided any repair documentation. Which of the
following would be the BEST way to handle this issue?
❍ A. Check the vendor’s website each day for a repair document
❍ B. Replace the entire laptop
❍ C. Disassemble the laptop case and document the process
❍ D. Use an external USB keyboard

A

The Answer: C. Disassemble the laptop case and document the process
Although it’s common to find hardware guides, you’ll occasionally need
to work on equipment that does not have any documentation or the
documentation is not available to you. In these circumstances, the only
option may be to disassemble the device and document each step of the
repair process yourself.

77
Q

B82. A user in the accounting department is printing to a thermal printer, but
the output is completely blank. Which of the following would be the
MOST likely reason for this issue?
❍ A. Printer is out of toner
❍ B. Heating element is damaged
❍ C. Feed assembly is faulty
❍ D. Fuser is not operating

A

The Answer: B. Heating element is damaged
A thermal printer uses a heating element to change the color of the paper.
If the heating element isn’t working, then the paper color won’t change
and the final output will remain blank.

78
Q

B83. A user’s desktop computer does not start in the morning when the power
button is pressed. A technician notices that the screen remains dark, but
fans are spinning inside of the computer case. No messages are displayed
and no beeps are heard. Which of the following would be the MOST
likely reason for this issue?
❍ A. Faulty RAM
❍ B. No boot drive found
❍ C. The CPU is overheating
❍ D. Bad power supply

A

The Answer: D. Bad power supply
A bad power supply can sometimes provide power for some voltages but
not others. If the fans are running but no other devices are working, then a
bad power supply should be a consideration.

79
Q

B84. A user in the shipping department needs a charging cable for their
Android phone. Which of the following connectors would be the MOST
likely to work on this phone?
❍ A. USB-C
❍ B. Lightning
❍ C. RJ45
❍ D. Thunderbolt

A

The Answer: A. USB-C
Android devices commonly used the USB standard for connectivity, and
USB-C is a common standard for many devices.

80
Q

B85. A system administrator has installed a KVM switch in a data center.
When connecting to one of the remote devices, the keyboard works
properly but the mouse does not move. Which of the following should be
the FIRST step when troubleshooting this issue?
❍ A. Replace the KVM mouse
❍ B. Check the keyboard and mouse connectors
❍ C. Replace the KVM keyboard
❍ D. Replace the KVM unit
❍ E. Replace the remote device mouse

A

The Answer: B. Check the keyboard and mouse connectors
A KVM (Keyboard-Video-Mouse) switch allows a single keyboard, video
display, and mouse, to be used across multiple devices. The KVM switch
will physically connect to the keyboard, video, and mouse interfaces on
other computers, and a control on the KVM switch can be used to move
between devices. If a keyboard or mouse connection isn’t working, the
first troubleshooting step is to confirm that the KVM switch is properly
connected to the remote device.

81
Q

B86. A workstation administrator has been asked to troubleshoot an issue
with Internet connectivity on a laptop computer. The network status
in the taskbar shows a yellow exclamation mark with the message “No
Internet access.” When examining the Ethernet connection on the laptop,
the cable sheath is an inch short and individual copper wires are visibly
disconnected from the RJ45 connector. Which of the following should be
used to correct this issue?
❍ A. Crimper
❍ B. Punch-down tool
❍ C. Loopback plug
❍ D. Multimeter

A

The Answer: A. Crimper
A crimper is used to attach modular connectors to the end of cables. In
this example, the cable would be cut back past the missing cable sheath
and the wires would be attached to a new connector using an RJ45
crimper.

82
Q

B87. A network administrator needs to connect two sites together that are
located on opposite sides of the city. Which of these network connections
would be the MOST appropriate?
❍ A. MAN
❍ B. PAN
❍ C. LAN
❍ D. WAN

A

The Answer: A. MAN
A MAN (Metropolitan Area Network) connects locations that are in the
same city or metropolitan area. Once the distance is outside the scope of
the immediate metro area, the connection is categorized as a WAN (Wide
Area Network).

83
Q

B88. Which of the following would be the BEST way to remove toner and
paper dust from the inside of a laser printer?
❍ A. Use a chemical cleaner that removes toner particles
❍ B. Run a cleaning page through the printer
❍ C. Wipe the inside with a damp cloth
❍ D. Use compressed air to blow out the particles

A

The Answer: C. Wipe the inside with a damp cloth
There can be a significant amount of dust and toner particles inside of a
laser printer, and using a normal vacuum cleaner or compressed air would
release the particles into the air and the static discharge would potentially
damage the printer. Instead, a damp cloth will capture the toner and dust
without causing more issues in the immediate area.

84
Q

B89. A system administrator is connecting a remote site to the Internet over a
single pair of copper cabling. Which of the following is the administrator
using for this installation?
❍ A. PoE switch
❍ B. Hub
❍ C. DSL modem
❍ D. Repeater

A

B90. Which of the following would be MOST associated with a handheld
barcode scanner?
❍ A. 802.11
❍ B. Bluetooth
❍ C. DVD-RW
❍ D. TRS
The Answer: A. 802.11
Handheld barcode scanners are often networked devices using 802.11
wireless connectivity.

85
Q

B90. Which of the following would be MOST associated with a handheld
barcode scanner?
❍ A. 802.11
❍ B. Bluetooth
❍ C. DVD-RW
❍ D. TRS

A

The Answer: A. 802.11
Handheld barcode scanners are often networked devices using 802.11
wireless connectivity.

Professor Messer A+ 1001 (3 decks)

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