chap 1 Flashcards
- In which situation would an ESD strike potentially cause harm to the PC?
when replacing a mechanical hard drive with an M.2 SSD
when installing an additional display in a workplace cubicle
when using a grounded mat and working on a computer on an ungrounded workbench
when installing a dual-voltage power supply
Other case
when installing an additional display in a workplace cubicle
when replacing high voltage laser printer parts
while attaching speakers to a surround sound card
when installing a UPS
when installing RAM
15
- A person has started a new technical job. In which situation would ESD be an issue?
when installing a processor
when using a grounded mat and working on a computer on an ungrounded workbench
when installing a dual-voltage power supply
while exchanging one laptop AC adapter with one that is not from the original equipment manufacturer
Other case
when installing RAM
when installing an additional display in a workplace cubicle
when replacing high voltage laser printer parts
while attaching speakers to a surround sound card
11
- A technician is about to begin preventive maintenance on a company PC. In which situation would ESD be an issue?
when replacing a motherboard
while attaching speakers to a surround sound card
when using a grounded mat and working on a computer on an ungrounded workbench
when installing a dual-voltage power supply
1
- An instructor has given a student an assignment to assemble a PC. In which situation should the student be aware that ESD is an issue?
when installing RAM
when working in a corporate environment that has carpet installed under tower PCs
when using a grounded mat and working on a computer on an ungrounded workbench
when installing a dual-voltage power supply
Case 2:
when walking across a carpeted area and then touching a keyboard that is attached to a tower PC
when installing a UPS
when working in a corporate environment that has carpet installed under tower PCs
when replacing a mechanical hard drive with an M.2 SSD
Case 3:
when using a grounded mat and working on a computer on an ungrounded workbench
when working in a corporate environment that has carpet installed under tower PCs
when installing a processor
when walking across a carpeted area and then touching a keyboard that is attached to a tower PC
143
- What two motherboard components control the system boot operations? (Choose two.)
BIOS chip
UEFI chip
Northbridge chip
Southbridge chip
CPU
12
- A technician is upgrading an ATX motherboard with another ATX motherboard. Which component might be affected by this and need to be upgraded and bought as an additional purchase?
BIOS
chipset
CMOS battery
CPU
PCIe adapter
4
- A customer has requested that a PC be built that will support eSATA. Which component should be checked to be sure that this feature is supported?
CPU
chipset
hard disk
RAM module
2
- Which memory module used to hold instructions for booting a PC and loading the OS, but is still used on adapters even though the memory contents cannot be changed?
RAM
ROM
cache
main memory
2
- What is a characteristic of DDR SDRAM?
It transfers data twice per clock cycle compared to once per clock cycle for SDRAM.
DDR SDRAM modules have double the number of pins of SDRAM memory modules.
It is dynamic memory whereas SDRAM is static memory.
It operates at double the voltage of SDRAM memory.
1
- What are two safety hazards when dealing with laser printers? (Choose two.)
high voltage
hot components
heavy metals
proprietary power bricks
unwieldy card cages
12
- Which component requires a technician to install screws externally through the PC case?
RAM
CPU
motherboard
power supply
4
- A technician is installing an internal HDD. To which motherboard connector will the technician connect the data cable?
ATX
PCI
PWR_SW
SATA
4
- When a PC is being assembled, what component is connected to the motherboard with a SATA cable?
the optical drive
the network interface card
the video card
the power supply
1
- A technician is troubleshooting a computer that is experiencing hardware failure detected by the BIOS. What is one way this failure is indicated?
The computer automatically boots into Safe Mode and displays a warning on the screen.
The screen flashes with a red background and displays a warning message.
The computer emits a pattern of beeps indicating the failing device.
The computer returns an error message that indicates the I/O address of the failing device.
3
- Which three features can be configured in the BIOS settings to secure a computer? (Choose three.)
MAC filtering
drive encryption
TPM
file encryption
TKIP key
passwords
235
- What is the purpose of RAID adapters?
to allow older PCI technology expansion slots to be used
to provide enhanced audio and graphic capabilities
to connect multiple storage devices for redundancy or speed
to connect peripheral devices to a PC to improve performance
3
- When a new motherboard is being installed, between which two components must thermal compound be applied? (Choose two.)
CPU
RAM
chassis
heat sink
chipset
motherboard
14
- What is the purpose of a Safety Data Sheet?
to specify procedures for dealing with potentially hazardous materials
to specify procedures in designing and building common computer systems
to specify procedures for the operation of sensitive components and prevention of electrostatic discharge
to specify procedures in the use of humidity control and prevention of moisture damage
1
- Which negative environmental factor does cleaning the inside of a computer reduce?
dust
EMI
rust
ESD
1
- What is a recommended procedure to follow when cleaning computer components?
Remove the CPU before cleaning.
Blow compressed air on cooling fans so that they will spin when dust is being removed.
Use window cleaner on LCD screens.
Hold cans of compressed air upright while spraying.
4
- On the production floor, a furniture plant has laptops for process monitoring and reporting. The production floor environment is around 80 degrees Fahrenheit (27 degrees Celsius). The humidity level is fairly high around 70 percent. Fans are mounted in the ceiling for air circulation. Wood dust is prevalent. Which condition is most likely to adversely affect a laptop that is used in this environment?
the temperature
the humidity
the air flow
the dust
4
- After a technician tests a theory of probable causes, what two actions should the technician take if the testing did not identify an exact cause? (Choose two.)
Establish a new theory of probable causes.
Randomly replace components one at a time until the problem is solved.
Document each test tried that did not correct the problem.
Verify full system functionality.
Test all remaining possible causes starting with the most complex.
13
- What would happen if a PC that contains a power supply that does not automatically adjust for input voltage is set to 230 volts and attaches to an outlet in the United States?
The power supply would explode.
The PC would not turn on.
The PC would display an error code.
The PC would emit a series of beeps.
2
- Which type of network spans a single building or campus and provides services and applications to people within a common organizational structure?
PAN
WAN
LAN
MAN
3
- What are two types of wired high-speed Internet connections? (Choose two.)
cable
satellite
cellular
DSL
dial-up
14
- In what two situations would UDP be better than TCP as the preferred transport protocol? (Choose two.)
when applications need to guarantee that a packet arrives intact, in sequence, and unduplicated
when a faster delivery mechanism is needed
when delivery overhead is not an issue
when applications do not need to guarantee delivery of the data
when destination port numbers are dynamic
24
- The current IP configuration of a small company is done manually and is time-consuming. Because of increased network growth, a technician needs a simpler way for IP configuration of workstations. Which service would simplify the workstation IP configuration task?
APIPA
DHCP
DNS
ICMP
2
- A company is looking for a next-generation firewall that provides VPN functionality, IDS/IPS functionality, and DoS/DDoS protection. Which device would be best suited for this task?
multipurpose device
router
endpoint management server
UTM
TPM
4
- A student is helping a friend with a home computer that can no longer access the Internet. Upon investigation, the student discovers that the computer has been assigned the IP address 169.254.100.88. What could cause a computer to get such an IP address?
static IP addressing with incomplete information
interference from surrounding devices
reduced computer power supply output
unreachable DHCP server
4
- What three values must be added to the IPv4 properties of a NIC in order for a computer to have basic connectivity with the network? (Choose three.)
subnet mask
DHCP server address
domain name
default gateway
speed and duplex
IP address
146
- A device has an IPv6 address of 2001:0DB8:75a3:0214:0607:1234:aa10:ba01 /64. What is the host identifier of the device?
2001:0DB8:75a3
0607:1234:aa10:ba01
2001:0DB8
ba01
2
- How can a user prevent specific applications from accessing a Windows computer over a network?
Enable MAC address filtering.
Disable automatic IP address assignment.
Block specific TCP or UDP ports in Windows Firewall.
Change default usernames and passwords.
3
- A technician has been asked to configure Wi-Fi calling on a corporate mobile device. In which situation would this feature be most advantageous?
in an emergency situation and no minutes are left on the phone
when sending WEA updates
when in an area with poor cellular coverage
in a store transaction making a payment using the mobile device
3
- Which statement is true about laptops?
Most of the internal components that are designed for laptops cannot be used for desktops.
Laptop motherboards have standard form factors.
Laptops use fewer components than desktops use.
Laptop CPUs do not use cooling devices.
1
- Which standard provides a bridge between laptop hardware and the operating system and a way for technicians to configure power management schemes to get the best performance?
ACPI
PCIe
Bluetooth
802.11
1
- Which two laptop components are considered replaceable by the customer. (Choose two.)
battery
integrated card reader
mini-PCIe module
RAM
display
14
- A user wants to synchronize some apps, movies, music, and ebooks between mobile devices. What are the two types of connections used to synchronize this type of data? (Choose two.)
cellular
Wi-Fi
USB
Bluetooth
NFC
23
- A technician is explaining the differences between inkjet printers and laser printers to a customer. Which two comparisons should the technician make? (Choose two.)
Inkjet printers are less expensive as an initial purchase than laser printers.
A laser printer is significantly slower than an inkjet printer.
Both laser and inkjet printers produce poor quality images.
The laser printer output is dry after printing, but an inkjet printer may still have wet ink on the paper after printing.
Inkjet printers use plain paper to make economical prints, but laser printers require more expensive thermal paper.
14
- A user chooses the collate option and prints two copies of a three-page document. What is the order in which the pages are printed?
pages 1, 1, 2, 2, 3, 3
pages 1, 2, 3, 1, 2, 3
pages 3, 3, 2, 2, 1, 1
pages 3, 2, 1, 3, 2, 1
- A color laser printer is used to print documents with graphics and photographs. Users are complaining that printing takes too long. Which component of the printer should be upgraded in order to improve printing performance?
CPU
RAM
hard drive
toner cartridges
- What service is available for Windows to provide software print server services to MAC OS clients?
Bonjour Print Server
Print to XPS
Apple AirPort Extreme
Apple AirPrint
1
- Which three components are typically found in laser printer maintenance kits? (Choose three.)
fuser assembly
primary corona
pickup rollers
transfer rollers
secondary corona
paper trays
134
- A technician is installing a new printer in a cool, damp environment. After the printer cabling is done, and the software and print driver are installed, the printer test page jams. What is the most likely cause of the print failure?
incorrect printer driver
too much humidity
not enough printer memory
loose printer cables
2
- A data center has recently updated a physical server to host multiple operating systems on a single CPU. The data center can now provide each customer with a separate web server without having to allocate an actual discrete server for each customer. What is the networking trend that is being implemented by the data center in this situation?
BYOD
virtualization
maintaining communication integrity
online collaboration
2
- How does virtualization help with disaster recovery within a data center?
Power is always provided.
Less energy is consumed.
Server provisioning is faster.
Hardware does not have to be identical.
4
- Which two hypervisors are suitable to support virtual machines in a data center? (Choose two.)
Virtual PC
VMware Fusion
VMware ESX/ESXi
Oracle VM VirtualBox
Microsoft Hyper-V 2012
35
- A web designer accesses a company Windows 10 computer remotely. The designer often needs to simultaneously open multiple applications, such as a web page editor and a graphics editor. Rather than opening them in multiple windows, the designer opens them in different virtual desktops. What technology is being used by the designer?
virtual reality
Windows Virtual Desktop
cloud-based applications
virtual desktop infrastructure
2
- Which Cloud computing service would be best for an organization that needs to collaboratively create applications and deliver them over the web?
PaaS
IaaS
SaaS
ITaaS
1
- Which statement describes a feature of SDRAM?
It requires constant power to function.
Its connector always has 240 pins.
It can process overlapping instructions in parallel.
It is able to support two writes and two reads per CPU clock cycle.
3
- A technician is troubleshooting a server that displays the error message “RAID not found” after a power outage over the weekend. What is a possible cause for this?
The BIOS firmware needs updating.
The FSB settings have changed and are wrong.
The external RAID controller is not receiving power.
The CPU multiplier is set too high.
3
- A customer brings in a laptop with a touch screen that is not working correctly. The touch screen either does not respond at all or provides unusual or inaccurate responses. What is a possible cause for such behavior?
The battery is not seated properly.
The DC jack is not grounded or is loose.
The digitizer is faulty.
Too many apps are open.
4
- What are two security risks associated with sharing printers in a corporate environment? (Choose two.)
user authentication
cached files
document viewing in the print queue
dumpster diving
shoulder surfing
12
- Which change management process component is concerned with the business processes that are affected by changes?
assessment
approval
implementation
identification
1
- A computer technician is installing a RAID. If the RAID uses mirroring and striping, which RAID level is the technician using?
10
5
1
8
1
- A computer technician is installing a RAID. If the RAID uses mirroring, which RAID level is the technician using?
1
6
5
3
1
- A computer technician is installing a RAID. If the RAID uses striping with parity, which RAID level is the technician using?
5
6
1
4
1
- A computer technician is installing a RAID. If the RAID uses striping, which RAID level is the technician using?
0
6
5
2
1
- A computer technician is installing a RAID. If the RAID uses striping with double parity, which RAID level is the technician using?
6
1
5
7
1
- After continuous morning use, a computer suddenly reboots without the intervention of the user. What are the two most likely hardware parts that could cause this problem? (Choose two.)
CPU
hard drive
RAID
power supply
BIOS
wireless NIC
14
- A client packet is received by a server. The packet has a destination port number of 137. What service application is the client requesting?
NetBIOS (NetBT)
SMB/CIFS
HTTPS
SLP
1
- A client packet is received by a server. The packet has a destination port number of 22. What service application is the client requesting?
SMB/CIFS
HTTPS
SLP
SSH
4
- A client packet is received by a server. The packet has a destination port number of 143. What service application is the client requesting?
IMAP
SMB/CIFS
HTTPS
SLP
1
- A client packet is received by a server. The packet has a destination port number of 23. What service application is the client requesting?
SMB/CIFS
Telnet
HTTPS
SLP
2
- A client packet is received by a server. The packet has a destination port number of 161. What service application is the client requesting?
SNMP
SMB/CIFS
HTTPS
SLP
1
- A client packet is received by a server. The packet has a destination port number of 389. What service application is the client requesting?
SMB/CIFS
HTTPS
SLP
LDAP
4
- A client packet is received by a server. The packet has a destination port number of 25. What service application is the client requesting?
SMB/CIFS
HTTPS
SMTP
SLP
3
- A client packet is received by a server. The packet has a destination port number of 427. What service application is the client requesting?
SLP
SMB/CIFS
SMTP
DNS
1
- A client packet is received by a server. The packet has a destination port number of 53. What service application is the client requesting?
SMTP
DHCP
TFTP
DNS
4
- Which is the compressed format of the IPv6 address 2001:0db8:0000:0000:0000:a0b0:0008:0001?
2001:db80:0:1::80:1
2001:db8::a0b0:8:1
2001:db8::ab8:1:0:1000
2001:db80:::1::80:1
2
- Which is the compressed format of the IPv6 address fe80:09ea:0000:2200:0000:0000:0fe0:0290?
fe80:9ea:0:2200::fe0:290
fe80:9:20::b000:290
fe80:9ea0::2020:0:bf:e0:9290
fe80:9ea0::2020::bf:e0:9290
1
- Which is the compressed format of the IPv6 address 2002:0042:0010:c400:0000:0000:0000:0909?
200:420:110:c4b::910:0:90
2002:4200::25:1090:0:99
2002:42::25:1090:0:99
2002:42:10:c400::909
4
- What ACPI power state describes when the CPU and RAM are off and the contents of RAM have been saved to a temporary file on the hard drive?
S4
S1
S2
S3
1
- What ACPI power state describes when the CPU and RAM are still receiving power but unused devices are powered down?
S1
S2
S3
S4
2
- What ACPI power state describes when the computer is off?
S1
S2
S3
S5
5
- What ACPI power state describes when the CPU is off and the RAM is set to a slow refresh rate, often called suspend mode?
S4
S2
S3
S5
3
- What ACPI power state describes when the computer is on and the CPU is running?
S0
S4
S3
S5
1
- A reporter is trying to print several high resolution photographs but the color laser printer is going extremely slowly. What should the technician do to resolve the issue?
Rewind the ribbon.
Connect the printer using wireless.
Install a USB hub.
Add more RAM to the printer.
Update the BIOS.
4
- A user complains that recently every printed document has vertical lines and streaks on the paper. What should the technician do to resolve the issue?
Distribute the toner more evenly within the cartridge.
Clean the printer.
Connect the printer using wireless.
Install a USB hub.
Update the BIOS.
1
- A school is installing a new shared printer but the printer is not showing up on the list of available printers. What should the technician do to resolve the issue?
Reset the page counter.
Manually add the printer IP address.
Connect the printer using wireless.
Install a USB hub.
Update the BIOS.
2
- Employees are complaining that they send print jobs to a newly installed printer but the print jobs never print. What should the technician do to resolve the issue?
The printer is connected to the wrong port. Modify the port.
Check the vibration of the crystals.
Connect the printer using wireless.
Install a USB hub.
Update the BIOS.
1
- Users have noticed that the colors on their printed documents are different from the colors that they see on their computer screens. What should the technician do to resolve the issue?
Install a USB hub.
Reset the page counter.
Check the vibration of the crystals.
Connect the printer using wireless.
Calibrate the printer.
5
- A technician has just completed a preventive maintenance on the department printer. Users are now complaining that the printer is no longer available. What should the technician do to resolve the issue?
Check that the printer is plugged into a power source.
Connect the printer using wireless.
Reset the page counter.
Check the vibration of the crystals.
Install a USB hub.
1
- A librarian is complaining about the following printer issue: The printer control panel displays no image. What are two possible causes of this issue? (Choose two.)
The contrast of the screen may be set too low.
The printer is not turned on.
The room temperature is above normal.
The printer has been installed on the wrong port.
The paper tray is flimsy.
12
- A laptop has an NVMe drive (C:) and a mechanical hard drive (D:). When the user tries to save a spreadsheet to the D: drive, the user notices that the D: drive is not there. What should the technician do to see if the drive is recognized by the operating system?
Use the Msconfig utility.
Boot into UEFI/BIOS and see if the drive appears.
Remove the drive and attach it to the SATA port used by the SSD. Reboot the computer and see if the drive is recognized.
Use the Disk Management Control Panel.
5
- A computer has two mechanical hard drives. The second drive (D:) is used for data storage. When trying to save an email attachment to the local hard drive, the user notices that the D: drive is not an option. What should the technician do to see if the drive is recognized by the operating system?
Use File Explorer.
Swap the data cables of the mechanical drive and the SSD.
Open a web browser and type the following: http://127.0.0.1. Verify if both drives appear in the list.
Bring up a command prompt and type ipconfig.
1
- A PC technician has been asked by a supervisor to recommend a security solution for a small company that wants stateful firewall services. Which security technique should the technician recommend?
Buy an ASA.
Disable ports.
Use a VPN.
Setup footprinting.
1
- Which type of optical drive supports the greatest amount of storage and is able to read and write CDs, DVDs, and Blu-Ray media?
BD-ROM
BD-RE
CD-RW
DVD-RW
DVD-ROM
2
- Why would an analyst need to use the msconfig command?
to select some programs that will automatically run at startup
to remove an empty directory
to erase one or more files from a Windows directory
to create a new Windows directory
1
- A client packet is received by a server. The packet has a destination port number of 110. What service application is the client requesting?
HTTP
POP3
NetBIOS (NetBT)
SMB/CIFS
2
- Why would a bank manager need to use the bootrec command?
to help to repair the MBR that is suspected of having issues
to manage a PCs drives, disks, partitions, volumes, and virtual drives
to prepare a hard drive to accept Windows files
to display the IPv6 address of the PC
1
- Why would a user need to use the gpresult command?
to create a new Windows directory
to make the PC synchronize with new group policy settings
to verify the settings that are suspected to be incorrect
to change from the current working folder to another folder
3
- An organization has purchased a custom application for the sales staff that can only be installed on a 64-bit Windows operating system. Each member of the sales staff has a Windows 8.1 32-bit PC. What must the IT department do in order to install and run the application on the sales staff computers?
Downgrade the 32-bit Windows 8.1 to 64-bit Windows 7.
Upgrade the 32-bit Windows 8.1 to 64-bit Windows 10.
Perform a clean installation of 64-bit Windows 10.
Download and install 64-bit hardware drivers in the current OS.
3
