Jason Dion - CompTIA A+ 1001 Exam Prep #2 Flashcards

1
Q
  • You are configuring a SOHO Network and only denying Specific IP Addresses from accessing the Network while allowing any IP Addresses not found on the List. Which of the following should be implemented?

Allow List
Port Forwarding
MAC Filtering
Blocklist

A

Blocklist

EXPLANATION:
Blocklist is a Form of Protection where only the items identified specifically on the List are Blocked, whereas all others are allowed. For example, if you create an Access Control List that relies on Blocklisting, it would allow every IP address not found in the Allow List.

Allow List is a form of Protection where only the items identified specifically on the List are allowed, whereas all others are denied. For example, if you create a Access Control list that relies on an Allow List, it would block every IP address that is not found in the Allow List.

MAC Filtering is the application of an Access Control List to a Switch or Access Point so that only clients with approved MAC Addresses connect.

Port Forwarding allows a Router to take requests from the Internet for a particular application and send them to a designated host on the LAN.

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2
Q
  • Which of the following is categorized as a Public IP Address?
  1. 254.12.64
  2. 30.15.12
  3. 120.32.41
  4. 168.0.2
A

11.120.32.41

EXPLANATION:
To communicate on the Internet, a Host must obtain a Unique Public IP Address. Typically, this is allocated by an Internet Service Provider.

APIPA Address = 169.254.x.x
Private IP Address = 10.x.x.x, 172.16-31.x.x, or 192.168.x.x)
Local Host IP = 127.0.0.1

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3
Q

Dion Training has asked you to consult on the Installation of their New File Server. The Current Server consists of a RAID5 Array with 3 1TB 7200 RPM Hard Disk Drives. Due to the increased reliance on the new file server, you have been asked to recommend a RAID solution that will help ensure there is NO unscheduled downtime, NO data loss, and increased speed/performance over the current file server. Based on these requirements, which of the following RAID solutions should you recommend?

RAID0
RAID1
RAID10
RAID5

A

RAID10

EXPLANATION:
RAID10 is the best solution to meet all these requirements since it provides a fully redundant RAID with both the advantages of mirroring and disk striping.

RAID 5 provides redundancy, but it will not improve the speed/performance over the current file server in use since it was also a RAID5. Also provides Block-Level striping with distributed parity to provide redundancy using a minimum of 3 disks.

RAID0 provides disk striping (Speed/Performance) but no mirroring with a minimum of two disks.

RAID1 provides mirroring (Redundancy) but not disk Striping with a minimum of two disks.

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4
Q

Your boss wants to be able to remotely print from her laptop and smartphone while away from the office. She asks you to set up a method to ensure that she doesn’t have to go back to her office to print a document. Which of the following should be configured to meet this requirement?

WIFI Printing
Integrated Print Server
Cloud Printing
Bluetooth Printing

A

Cloud Printing

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5
Q

You are installing a New Projector in a customer’s home theater room. After connecting the Projector and powering it on, you notice some odd debris displayed on the screen. Which of the following should you do to correct this?

Adjust incorrect color pattern.
Clean artifacts on the protective glass.
Degauss the projector
Replace the bulb with correct lumens.

A

Clean artifacts on the protective glass.

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6
Q

Which of the following components would require you to de-solder the old part from the laptop to install and solder a new one?

Screen
Cellular Card
Battery
DC Jack

A

DC Jack

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7
Q
  • Dion Training has decided to use a PaaS solution to host their training courses. The service charges are based on the number of students enrolled in the courses each month. Which type of cloud computing concept is being demonstrated by this pricing strategy?

Metered Service
Resource Pooling
Rapid Elasticity
Synchronization Apps

A

Metered Service

EXPLANATION:
Resources are measured through a Metering on a per-use basis. The Metering measurement is based on the type of resources such as storage, processing, bandwidth, or active users. The Metering mechanism should be accessible to the customer via a reporting dashboard, providing complete transparency in usage and billing. Metered services are pre-paid, a-la-carte, pay-per use, or committed offerings. A Metered Service like a database may charge its users based on the actual usage of the service resources on an hourly or monthly basis. Example: Dion Training used the AWS Lambda serverless product in some of our automation. This Service charges us $.20 for every million requests processed.

Resource Pooling refers to the concept that allows a virtual environment to allocate memory and processing capacity for a VMs use.

Rapid Elasticity is used to describe scalable provisioning or the capability to provide scalable cloud computing services. Rapid elasticity is very critical to meet the fluctuating demands of cloud users. The downside to Rapid Elasticity implementations is that they can cause significant loading of the system due to the high resource number of allocation and deallocation requests.

Using a Synchronization App can allow the files to be stored on both the laptop and the cloud service while maintaining the latest versions in both places. This allows a user to synchronize content between all of their own devices, as well as share the cloud storage content with other users. Multiple users can simultaneously access the content to work collaboratively, or they can access it at different times. Each users changes are typically marked with a flag or color highlighting to indicate who made changes to what content.

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8
Q

Which of the following Ports is used for the request of distribution of DHCP configuration information?

80
53
162
67

A

67

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9
Q

A Customer contacts the Service Desk because their laptop will not power on when plugged in, and the battery is dead. The service desk replaces its battery, connects it to a different power adapter, and the laptop works all day until the battery runs out. Now, the laptop won’t turn on, and the battery won’t charge. Which of the following do you recommend to solve this issue?

Replace the Power Adapter
Replace the Battery
Replace the DC Jack
Connect the laptop to a 220v Outlet

A

Replace the DC Jack

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10
Q

An employee at Dion Training complains that their smartphone is broken. They state that it cannot connect to the internet, nor can it make or receive phone calls and text messages. You ask them to start up their music player on his phone, and it opens without any issues. It appears the common issue has to do with the device’s network connectivity. Which of the following is MOST likely the problem with this smartphone?

The Cellular Radio in it is broken.
The VPN password was entered incorrectly.
The Bluetooth connection is disabled.
Airplane mode is enabled on the device.

A

Airplane mode is enabled on the device.

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11
Q

Which of the following protocols operates over port 143 by default?

IMAP
RDP
POP3
HTTPS

A

IMAP

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12
Q

A User wants to print a spreadsheet horizontally on a piece of paper instead of vertically to fit more columns on a single page. What settings should the user enable on the printer for this print job to achieve this result?

Duplex
Collate
Orientation
Transparency

A

Orientation

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13
Q

You are working for a logistics company that needs to get a device that will automatically enter information about a package when it is read using light and a lens. Which of the following devices should you install to BEST support this requirement?

Barcode Reader
Digitizer
Touch Screen
Webcam

A

Barcode Reader

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14
Q

Jason’s iPad only had 12% battery remaining at the end of the day, so he connected his iPad to the lighting cable and the wall adapter last night before going to bed. In the morning, Jason tried to turn on the iPad, but it appeared to be completely powered down, and the battery was drained. Jason connected the lighting cable to his iPhone and the iPhone began charging. Which of the following is MOST likely the reason that the iPad didn’t charge overnight?

Defective AC Adapter
Defective Charging Port on the iPad
Defective Lighting Cable
Defective Battery

A

Defective Charging Port on the iPad

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15
Q

You are troubleshooting a computer that will not boot. After gathering information from the client about the Symptoms they have experienced, you believe the power supply may be faulty. You used a power supply tester to determine if the power supply provides the right amount of output voltage and has determined the power supply is only providing 50% of the voltage that it is supposed to provide to the workstation. What is the next step you should perform according to the CompTIA troubleshooting methodology?

Establish a plan of action to resolve the problem and then implement the solution.
Identify the problem.
Verify full system functionality and, if applicable, implement preventative measures.
Establish a theory of probable cause (question the obvious)

A

Establish a plan of action to resolve the problem and then implement the solution.

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16
Q

You work for the city’s Department of Motor Vehicles (DMV). There are five DMV locations spread out across the city that you have been asked to connect with a Network. You have created a list of requirements for this Network, including that it must be wired and support at least 1 Gbps of bandwidth. Which of the following network types would MOST likely be used for the DMV to connect their internal networks across the city securely?

LAN
WAN
MAN
PAN

A

MAN

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17
Q

A Client has a workstation with RAID5 configuration and reports that slower than normal performance occurs when reading/writing files to the RAID. You run a diagnostic program against the RAID, and the system passes all of the diagnostic tests without any issues. While you are running the tests, though, you heard clicking noises coming from the RAID. Which of the following is the MOST likely cause of the slow performance being experienced by the Client?

Hard Drive
SSD
RAID Controller
Cooling Fan

A

Hard Drive

EXPLANATION:
Based on the symptoms described the RAID itself is fully functional, so the RAID controller is not causing any problems. This could be caused by a failing hard drive or the system overheating due to the slow performance. Since there is a clicking noise, this is most likely a hard drive failure since a cooling fan makes a whirring or grinding noise instead. Therefore, we can assume the RAID is made up of magnetic hard drives, and one of those hard disks is starting to fail. To replace the hard drive, you need to find a comparable drive that will work in the array, reboot the computer, and enter the RAID setup program to rebuild the array after replacing that hard drive. If you use a RAID 1, RAID 5, or RAID 10, the system will continue to operate normally, but with slower performance, until you replace the hard drive and rebuild the RAID.

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18
Q

During a disaster recovery, which of the following statements is true?

A Virtual Machine has more downtime than a Physical Server.
A Virtual Machine has less down time than a Physical Server.
Both a Virtual Machine and a Physical Server has the same downtime.
A Virtual Machine cannot be used for redundancy or load balancing.

A

A Virtual Machine has less down time than a Physical Server.

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19
Q

Which of the following cables was a proprietary cable used in many iPhones and iPads?

Mini USB
USB-C
Micro USB
Lightning

A

Lightning

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20
Q

Which of the following cables supports both charging and data transfer with a non-directional connector inserted into a port on the device?

USB-A
Micro-USB
Mini-USB
USB-C

A

USB-C

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21
Q

Jason’s Cellphone company allows him to use his smartphone as a wireless hotspot with his laptop when traveling. Jason notices that if he runs a speed test from his smartphone, the cellular connection is 8761 kbps. If he runs the same speed test connection from his laptop connected to his cellphone over its wireless hotspot, the speed drops to 243 kbps. Which of the following is the MOST likely cause for the drop in the speed tests results?

The laptop is out of range of the smartphone’s hotspot.
The SSID for the wireless hotspot is not being broadcast
The Wireless hotspot feature is throttling the cellular connection speed.
The smartphone’s RFID signal is low.

A

The Wireless hotspot feature is throttling the cellular connection speed.

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22
Q

Which cellular technology utilizes New Frequency bands to reach proposed speeds of up to 70 Gbps?

4G
3G
5G
LTE

A

5G

EXPLANATION:
5G Cellular technology is made up of 3 different types: low-band, mid-band, and high-band mmWave technology. Low-band 5G reaches and average speed of 55 Mbps with a theoretical speed of 150 Mbps. Mid-band 5G reaches an average speed of 150 Mbps with a theoretical speed of 1.5 Gbps. High-band 5G reaches an average speed of 3 Gbps with a theoretical speed of up to 70 Gbps.

4G Cellular Technology is made up of LTE-A.

LTE (Long Term Evolution) is packet data communications specification providing an update path for both GSM and CDMA2000 cellular networks. LTE has a theoretical speed of 150 Mbps and a real-world speed of around 20 Mbps. LTE Advanced (LTE-A) has a theoretical speed of 300 Mbps and a real-world speed of around 40 Mbps.

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23
Q

Your college has several campuses located across the city. Within each campus, the buildings are interconnected with a campus area network. If you connect each of the campuses across the city, what type of network would this become?

PAN
LAN
MAN
WAN

A

MAN

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24
Q

Dion Training has a single Switch that services every room within its offices. The Switch contains 48 Ports, but Jason wants to divide the ports based on the functional areas, such as Web Development, Instruction Support, and Administration. Which technology should Jason utilize to divide the Physical Switch into 3 Logical Divided areas?

NAT
VPN
DSL
VLAN

A

VLAN

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25
Q

Which of the following technologies is commonly used to inventory the organization’s equipment by attaching a tag to the device containing a Chip programmed with the assets data, allowing one -way communication to occur from the tag to the reader?

NFC
Z-WAVE
Zigbee
RFID

A

RFID

EXPLANATION:
RFID Tags contain an RFID chip programmed with the asset data. This is read wirelessly by an RFID (Radio Frequency Identification) reader. RFID is one-way communication mechanism, whereas NFC is two-way Communication.

NFC (Near Field Communication) is a set of communication protocols that enable two electronic devices, one of which is usually a portable device such as a Smartphone, to establish communication by bringing them within 4cm of each other. This is commonly used for contactless payment systems, transferring contacts, or transferring a file from one device to another.

Zigbee is a low-power wireless communication open-source protocol used primarily for Home Automation. Zigbee uses radio frequencies in the 2.4 GHz band and a mesh topology.

Z-Wave is a low-power wireless communications protocol used primarily for Home Automation. Z-Wave uses radio frequencies in the 800 MHz and 900 MHz frequency ranges.

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26
Q
  • What is the MOST common connector type used when connecting a USB cable to the back of a Printer?

Type A
Micro-USB
Mini-USB
Type B

A

Type B

EXPLANATION:
The most common USB connector used to connect a Printer is USB Type B. This connector has a large square-shaped male connector that is connected to the rear of the printer.

USB Type A Connector is often used to connect to the workstation or computer itself. This question specifically asked which connector is being attached to the Printer.

Micro USB is miniaturized version of the USB interface developed for connecting compact and mobile devices such as Smartphones, MP3 players, GPS devices, and digital cameras.

Mini USB was introduced with USB 2.0 and was used with digital cameras and early tablets.

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27
Q
  • You have just finished building a Windows Server, installing its Operating System, updating its security patches, formatting a dedicated data partition, and creating accounts for all of the company’s employees. What is the next thing that must be configured to provide users with the ability to access large multifunction devices across the network?

Audit Logging
File Sharing
Print Server
RAID Storage

A

Print Server

EXPLANATION:
Most of the Option provided are reasonable next steps, but the question specifically states that you want to allow the users to access multifunction devices on the network. This indicates that the users will need access to a Print Server since Printers are Multifunction devices. A Print Server is a type of Server that connects printers to Client computers over a computer network. Print Servers act as intermediary between the computers and printers by accepting print jobs and then sending them to the correct printer when it is ready to accept new jobs.

A File Server is used to host and control access to Shared Files and Folders for the Org.

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28
Q

Susan, an Executive at Dion Training, will be traveling to Italy for a conference next week. She is worried about remaining connected to the internet while overseas and plans to use the WIFI in her hotel room and the local coffee shop with her laptop. Which of the following should she purchase and configure before leaving for Italy to ensure her communications remain secure regardless of where she is connecting from?

Local SIM card for her smartphone
VPN
International data roaming plan on her cellphone.
Local mobile hotspot

A

VPN

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29
Q
  • A Customer recently purchased a touchscreen laptop to use for her schoolwork. It has been working well for about 3 weeks, but today she has brought it into your store for repair because it is not working properly. When she touches an icon on the screen, the program fails to load. You look over the laptop, and the screen appears to be fully intact with no dark blobs or spider web cracks in the panel. You attempt to operate the laptop using the touchscreen, but it appears non-responsive to your touch. You can, however, click on the icons using the laptops touchpad without any issues. Wich of the following components MOST likely needs to be replaced?

GPU
Inverter
Digitizer
LCD Panel

A

Digitizer

EXPLANATION:
The Digitizer is a touch-sensitive glass panel covering the LCD in a touchscreen assembly. The Digitizer is used to convert touch events to digital signals that can be interpreted as different types of input. The digitizer can be touched and inspected without taking apart the device. A LCD panel is a type of display technology where the image is made up of liquid crystal cells controlled using electrical charges. The LCD Panel is backlight by a cold cathode fluorescent (CCFL) bulb. LCD Panels are used on laptops and have replaced CRT monitors as the main type of computer display screen for desktops as well. The LCD screen is the panel that is inside the device, which displays the image. You cannot get to the LCD without taking the device apart first. When only the touchscreen is broken, you should still see what is happening on the screen, and the screen should still function as normal. When only the LCD is broken, you can still use the touchscreen, but the panel will have dark blobs or spider web cracks or both. When both LCD and touchscreen are damaged, you may still be able to use potions of the touchscreen, and some parts of the LCD may display the image, but you will incur obvious difficulties in using the device as normal.

The Inverter (Also know as the Inverter Board, Screen Inverter, or LCD Inverter) is part of the laptop’s display assembly. The Inverter is a small green board attached to the base of the LCD panel. In a laptop computer, the LCD screen relies on a backlight source to uniformly light up the screen, and the inverter acts as the power supply for this lighting source. If the inverter is faulty, the display will be too dim to easily see without an external light source like a flashlight.

A Graphics Processing Unit (GPU) is a microprocess used on a dedicated Video Adapter Cards or within a CPU with integrated graphics capability to handle the mathematical calculations required to create immersive and 3D graphics.

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30
Q

Rick, a computer tech, was contacted by a customer who wants to reduce his office computer’s footprint so save space. Which of the following cases is the Smallest Form Factor?

ATX
ITX
mATX
mITX

A

mITX

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31
Q

Which of the following types of connectors are used to terminate a Serial Cable for an External Modem?

RJ-45
DB-9
RJ-11
LC

A

DB-9

EXPLANATION:
RJ-11 Connector is used to Terminate Cables used for Phone Lines.
RJ-45 Connector is used to Terminate a Copper Twisted-Pair Ethernet Cable.
ST, SC, LC, or MTRJ Connector is used to Terminate Fiber Optic Cables.

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32
Q

Which of the following laptop displays requires an inverter?

Plasma
LCD
OLED
LED

A

LCD

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33
Q

You are troubleshooting a workstation for a customer. The workstation will not boot. When it is powered on, an error message of “OS Not Found” is displayed on the screen. What is the MOST likely solution to fix this error?

Replace the HDD with an SSD
Perform CHKDSK
Repair the MBR
Repartition the Hard Disk

A

Repair the MBR (Master Boot Record)

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34
Q
  • You have been asked to setup the email on a Corporate laptop. The employees of Dion Training are only allowed to receive their email on one device. The email should be removed from the Server’s mailbox whenever the client connects to the Server to download the message. Which of the following mail protocols should you configure to allow an employee to receive their mail on their laptop and meet these requirements?

SMTP
IMAP
POP3
HTTPS

A

POP3

EXPLANATION:
POP3 is downloaded to the device and removes mail from the Server’s mailbox by default.

IMAP does not remove the mail from the Server when the client connects but instead maintains a copy on the server indefinitely until the user forces it to be deleted.

SMTP is used to send emails, not receive.

HTTPS is used for SECURE Web Browsing, not receiving emails.

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35
Q
  • What type of cable should be used to connect a laptop directly to another laptop to form an Ethernet network?

Patch Cable
Serial Cable
Crossover Cable
Straight-Through Cable

A

Crossover Cable

EXPLANTION:
Crossover Cable should be used to connect 2 SIMILAR Devices (PC to PC, Router to Router, Switch to Switch)

Straight-through or Patch Cable is a Network Cable that uses the same wiring standard on both ends such as T568A or T568B.

Serial Cable is a Data Cable that transmits data a single bit at a time like DB-9.

36
Q
  • Which of the following cloud computing resources are MOST important when determining a cloud file-storage synchronization applications performance?

I/O Bandwidth
CPU Utilization
Disk Speed
RAM Utilization

A

I/O Bandwidth

EXPLANATION:
I/O Bandwidth is the measurement of the amount of Input and Output operations that can be performed within a given time. The higher the I/O Bandwidth, the faster and more efficient a cloud file-storage synchronization application will become. Applications that rely on large amounts of reading and writing of data require a high amount of I/O Bandwidth.

Disk Speed is not nearly as important since most cloud file-storage systems use a Virtualized File System for storage and do not rely on a single disk. Instead, they rely on a Storage Area Network or a Virtualized Storage Solution.

The CPU and RAM utilization on the system would not have as large an impact of the Performance as the I/O Bandwidth.

37
Q

Which of the following parts is responsible for converting the Analog signals created by your tapping or swiping of the surface of a display to a binary signal that is understood by the underlying software?

Inverter
Digitizer
Capacity
Backlight

A

Digitizer

38
Q

Which of the following cables is NOT used by Android Smartphones and Tablets?

USB-C
Lightning
Mini USB
Micro USB

A

Lighting

39
Q

You are at a grocery store. At the checkout, you slide your credit card through the payment terminal and then sign your name to authorize the charge. Which of the following did you MOST likely use to make this purchase?

Bluetooth Reader
Signature Pad
Touchpad
NFC device

A

Signature Pad

40
Q

A Computer technician is configuring a NAS for a Company to store their corporate data. The tech has installed four 10 TB hard drives operating at 5400 RPM in a RAID 10 config. How much usable storage space is contained in the NAS?

10 TB
20 TB
30 TB
40 TB

A

20 TB

41
Q
  • Ted, a file server admin at Dion Training, has noticed that many sensitive files have been transferred from a corporate workstation to an IP address outside of the local area network. Ted looks up the IP address and determines that it is located in a foreign country. Ted contacts his company’s security analyst, verifying that the Workstation’s anti-malware solution is up to date and the network’s firewall is properly configured. What type of attack most likely occurred to allow the exfiltration of the files form the workstation?

MAC Spoofing
Zero-Day
Impersonation
Session Hijacking

A

Zero-Day

EXPLANATION:
Since the Firewall is properly configured and the Anti-Malware solution is Up-To-Date, this signifies that a Zero-Day Vulnerability may have been exploited. A Zero-Day Vulnerability is an unknown Vulnerability, so a Patch or a Virus Definition has not been released yet. A Zero-Day Vulnerability refers to a hole in software that is unknown to the vendor. Hackers then exploit this security hole before the Vendor becomes aware and hurries to fix it. This exploit is therefor called a Zero-Day Attack. Zero-Day attacks include infiltrating malware, spyware, or allowing unwanted access to user information.

Spoofing is the act of disguising a Communication from an Unknown source as being from a Known, Trusted source.

Impersonation is the act of pretending to be someone or something else.

Session Hijacking attack compromises the session token by stealing or predicting a valid session token to gain unauthorized access to the Webserver.

42
Q

What material is first applied to a CPU during installation to help draw excess heat away from the Processor?

Heat Sink
Thermal Paste
Cooling Fan
Liquid-Cooling Radiator

A

Thermal Paste

43
Q

You have just finished installing a VM on a workstation. Your boss asks you to install a second VM with the same settings. To save time, which of the following functions should you use?

Shadow Copy
Secure Copy
Migration
Cloning

A

Cloning

EXPLANATION:
Cloning is a function that allows you to fully copy an existing VM and its current configuration. This allows you to quickly deploy an exact copy without having to reconfigure everything again manually.

VM Migration is the task of moving a VM from one physical hardware environment to another.

Secure Copy Protocol is a means of securely transferring computer files between a local host and a remote host or between two remote hosts over port 22.

Shadow Copy is a technology included in Microsoft Windows that can create backup copies or Snapshots of a computer, files, or volumes, even when they are in use.

44
Q

Which button on a desktop computer begins a reboot of the computer without power being removed from the computer’s components?

Power
Reset
Suspend
Hibernate

A

Reset

EXPLANATION:
Reset Button is usually located on the front panel of a desktop computer next to the power button. When the Reset Button is pressed, it allows the user to reboot the computer without releasing power from the System’s components. This is often used when software has malfunctioned and caused the computer to halt or lock up.

The Power Button is used to shut down or put the computer to Sleep.

There is usually NOT a dedicated Suspend or Hibernate Button, but these are instead provided as Software buttons in the operating system.

45
Q

You have just set up a Minecraft Server on a spare computer within your Network and want your friends to connect to it over the Internet. What do you need to configure in your SOHO router to allow your friends to connect to the new Minecraft Server you created?

Enable DHCP
Update the Firmware
Configure Port Forwarding
Configure your WIFI to use Channel 11

A

Configure Port Forwarding

46
Q

What type of Expansion Bus technology uses Lanes with Point-To-Point communication paths between two components on the motherboard?

PCI-X
PCIe
PCI
AGP

A

PCIe

EXPLANATION:
PCIe (Peripheral Component Interconnect Express) uses lanes between any two intercommunicating devices. This utilizes a separated pair of wires for both directions of the traffic. This increases the Bus Lanes speed since there is no possibility of collisions or waiting for other devices to finish communicating. PCIe is an interface standard for connecting high-speed components. Every Desktop PC Motherboard has some PCIe slots you can use to add GPUs, RAID Cards, Network Adapters, WIFI Cards, or SSD add-on cards.

AGP, PCI, and PCI-X are all Older Technologies that rely on shared busses for communication.

47
Q

Which of the following Virtualization concept refers to a VM’s ability to have memory allocated for its use?

Measured Service
Resource Pooling
Virtual Application Streaming
Synchronization

A

Resource Pooling

48
Q

What is the lowest layer (Bottom Layer) of a Bare-Metal Virtualization Environment?

Physical Hardware
Guest OS
Host OS
Hypervisor

A

Physical Hardware

49
Q

You are setting up a hotel ballroom for a training workshop. Which of the following devices would BEST allow the conference attendees to connect their laptops to the hotel’s network when inside the conference areas?

Router
Access Point
Switch
Hub

A

Access Point

50
Q

Which of the following tools is used to identify why an 802.11g network is intermittently dropping network traffic?

Multimeter
Cable Tester
WIFI Analyzer
Tone Generator and Probe

A

WIFI Analyzer

51
Q
  • You are configuring a SOHO Network that will contain 7 devices, but you only have a single public IP address. Which of the following concepts should be configured to allow the 7 Devices to share that single IP when connecting to the internet?

NAT
DHCP
Perimeter Network
UPnP

A

NAT

52
Q

Which of the following Operating Systems has the Built-In capability to install and run Hyper-V?

Windows 7
Windows 10
Windows XP
Windows 2000

A

Windows 10

53
Q

A military contracting firm is worried about proprietary corporate information being removed from the company’s network. To combat this, they have created strict rules regarding what types of information can leave their office building. You have been asked to fix a workstation for the company and have been brought on-site to troubleshoot the issue. You have properly followed the troubleshooting steps and have created a plan of action to fix the workstation. Unfortunately, your solution will require that the workstation be taken back to your off-site repair shop to solve the workstation’s problems fully. What is the NEXT thing you should do to fix this workstation?

Remove the internal hard disk drive and then take the workstation with you to your repair shop to fix it.
Format the hard drive of the workstation to delete all proprietary data before taking the workstation to your repair shop.
Verify the contracting firm’s corporate policies regarding the removal of a workstation for repairs.
Ask the employee who usually works on the workstation if you can take it to your repair shop.

A

Verify the contracting firm’s corporate policies regarding the removal of a workstation for repairs.

54
Q

Which of the following devices commonly use an ARM-based Processor? (Select Two)

Laptop
Desktop
Smartphone
Tablet

A

Smartphone
Tablet

EXPLANATION:
CPUs and their chipsets for Smartphones and Tablets are often based on the ARM (Advanced RISC Machine) microarchitecture. RISC stands for Reduced Instruction Set Computing. RISK microarchitectures use simple instructions processed very quickly. This contrasts with Complex (CISC) microarchitectures, which us more powerful instructions and slowly process each one.

55
Q
  • You are troubleshooting a laser printer and noticed the paper’s image has a white streak running across the face of the paper. Which of the following should be performed to fix the issue?

Replace the Printer Drum
Replace the Toner Cartridge
Clean the Printer’s Corona Wires
Clean the printer’s Fusing assembly.

A

Clean the Corona Wires

EXPLANATION:
A Corona Wire is a charged wire in a laser printer that draws the toner off the drum onto the paper. It must be cleaned when the toner cartridge is replaced. A dirty corona wire can cause a portion of the rum not to be charged properly and lead to a white streak appearing on the printed image.

Some laser printers combine the toner and the drum into a single replaceable item.

The drum on the laser printer should be changed after printing 10,000 to 15,000 pages to prevent issues during printing.

56
Q

You have been asked to install a network cable in the crawl space between the ceiling in your office and the roof. You need to chose the right type of cable to ensure you do not violate the local fire codes. Which of the following cable types should you choose?

Shielded
Fiber
Plenum
Coaxial

A

Plenum

57
Q

A Computer tech is configuring a NAS for a computer to store their corporate data. The tech has only 2 hard drives available for use and needs to ensure that the data’s fault tolerance and redundancy. Which of the following would be the BEST configuration to implement?

RAID 0
RAID 5
RAID 1
RAID 10

A

RAID 1

58
Q
  • If you are troubleshooting a S.M.A.R.T Error on a customer’s PC, which of the following devices would you be troubleshooting?

Hard Drive
Processor
Memory
Power Supply

A

Hard Drive

EXPLANATION:
S.M.A.R.T (Self-Monitoring, Analysis, and Reporting Technology) is a monitoring technology that monitors storage devices like HDD and SSD. This technology is used to provide the proper attribute errors on the drive’s current state to warn users and technicians of a pending drive failure.

59
Q

You are configuring a workstation to be used as a point of sale (POS) device. Which of the following peripherals should you install with the device?

Memory Card Reader
Signature Pad
Webcam
Flatbed Scanner

A

Signature Pad

60
Q

You are about to embark on a long trip, which will require over 24 hours of flying. You want to read several books during your trip, but do not want to carry all the paperbacks with you. You have decided to purchase a device for the trip for the sole purpose of reading books, but it must have extremely long battery life and not get distorted or hard to read in the sunlight. Which should you purchase?

E-Reader
Laptop
Tablet
Smartphone

A

E-Reader

61
Q
  • What describes how many times the image on the monitor changes per second?

Refresh Rate
Aspect Ratio
Frame Rate
Resolution

A

Refresh Rate

EXPLANATION:
Refresh Rate is defined by the vertical scan frequency of a monitor and how many times in one second an image can be redrawn on the screen.

62
Q

You want to build a Virtualization Workstation that will be used to run four different server operating systems simultaneously to create a test lab environment. Each guest operating system only requires 20 GB of storage on the host workstation. Which of the following is the MOST important piece of hardware needed for this system to run efficiently?

ATX Motherboard
Dedicated GPU
Multi-Core Processor
5400 RPM Hard Disk Drive

A

Multi-Core Processor

63
Q

Tamera just purchased a Wi-Fi-enabled Nest Thermostat for her home. She has hired you to install it, but she is worried about a hacker breaking into the thermostat since it is an IoT device. Which of the following is the BEST thing to do to mitigate Tamera’s security concerns? (Select TWO)

Disable Wireless Connectivity to the thermostat to ensure a hacker cannot access it.
Configure the thermostat to use WEP encryption standard for additional confidentiality.
Upgrade the firmware of the wireless access point to the latest version to improve the security of the network.
Configure the thermostat to connect to the wireless network using WPA2 encryption and a long, strong password.
Enable two-factor authentication on the device’s website.
Configure the thermostat to use a segregated part of the network by installing it into a screened subnet.

A

Configure the thermostat to connect to the wireless network using WPA2 encryption and a long, strong password.
Configure the thermostat to use a segregated part of the network by installing it into a screened subnet.

64
Q

A client contacts the service desk because their laptop will not charge when plugged in. The client states that the laptop runs properly while connected to the wall outlet, but if they unplug it, then the laptop immediately powers off. Which of the following do you recommend solving the issue?

Replace the Power Adapter
Connect the laptop to a 220v outlet.
Replace the Battery
Replace the DC Jack

A

Replace the Battery

65
Q

You see some fading across your papers when printing things using a laser printer. The black color appears to be more faded than the other colors on your documents. What is the BEST solution to this problem?

Replace the Toner Cartridge in the Printer.
Increase the Temperature of the Fuser Element
Change the Feed Rate of the Paper
Clean the Printer’s Transfer Roller.

A

Replace the Toner Cartridge in the Printer

66
Q

A Customer’s Android smartphone is only 6 months old but is becoming excessively slow. When questioned, the customer states it was acting fine until they recently installed a new stock market tracking app. What action should you take to troubleshoot the slow performance on this phone?

Factory Reset the smartphone and reinstall all the apps
Perform a hard reboot on the smartphone
Uninstall the App, reboot the phone, and reinstall the app.
Replace the phone with a newer model.

A

Uninstall the App, reboot the phone, and reinstall the app.

67
Q
  • You and your friends are hanging out in a bar downtown and notice that the entire area around the bar has a great wireless network called “Downtown Metro.” This wireless network was built by the city and currently covers about 5 square blocks of the downtown area. What type of network best classifies this wireless network?

MAN
LAN
WAN
PAN

A

MAN

68
Q
  • A Client has a new 2-in-1 laptop/tablet. Whenever they use the touchscreen, the cursor appears to jump to the wrong location and select the wrong icons. If the client connects a USB mouse, there are no issues with using the device. Which of the following should you attempt to perform FIRST to fix this issue?

Disable the Touchscreen
Update the Touchscreen’s Driver
Recalibrate the Touchscreen
Reinstall Windows 10

A

Recalibrate the Touchscreen

EXPLANATION:
Tablet/Laptops with touchscreen capability can be recalibrated from within the Windows Control Panel. This will ensure that the right parts of the screen are responding when touched. If this is not effective, then you should attempt to update the touchscreen’s drivers. Cursor drift can occur over time, but it is easily fixed by conducting a new touch calibration sequence.

69
Q

You want to create a New Mobile application and develop it in the cloud. You just signed up for a Cloud-Based Service Provider’s offering to allow you to develop it using their programming environment. Which of the following best describes which type of service you just purchased?

IaaS
PaaS
DaaS
SaaS

A

PaaS (Platform as a Service)

70
Q

You are troubleshooting a customer’s PC. You realize there is a problem with the RAM and decided to replace the faulty module. You turn on the PC, and after a few seconds, you hear a single beep. What does hearing a single beep indicate?

BIOS completed POST
CMOS battery needs to be replaced
Possible faulty RAM module
BIOS detected an error

A

BIOS completed POST

71
Q

Your company has decided to begin moving some of its data into the cloud. Currently, your company’s network consists of both on-premises storage and some cloud-based storage. Which of the following types of clouds is your company currently using?

Public
Private
Community
Hybrid

A

Hybrid

72
Q

Dion Training just installed a New Webserver within a screened subnet. You have been asked to open up the port for secure web browsing on the Firewall. Which port should you set as OPEN to allow users to access this new server?

21
443
80
143

A

443 (HTTPS)

73
Q

Tom is running some new CAT5e cabling in an office building to connect a few offices. The ceiling is constructed as a drop ceiling with fluorescent lights and does not have any cable trays. Due to the proximity of the fluorescent lights to the cable being run, what type of CAT5e cable should be run?

UTP
Fiber
Coaxial
STP

A

STP

74
Q

Jason a Computer Tech is troubleshooting a motherboard. He has determined that the motherboard needs to be replaced in the laptop. Which of the following next steps should be performed next? (Choose Two)

Documentation of all screws and locations.
Use portable power driver to remove screws.
Read owner’s manual for procedures and steps to avoid breaking the warranty.
Disconnect laptop keyboard before disconnecting the battery.

A

Documentation of all screws and locations.

Read owner’s manual for procedures and steps to avoid breaking the warranty.

75
Q

When using a Type 1 Hypervisor Virtualized Environment, which of the following hardware types is necessary to connect the VMs to a Corporate Network?

Virtual NIC
VDI
VNC
VPN

A

Virtual NIC

76
Q
  • The large mult-function network printer has recently begun to print pages that appear to have a Dust-Like coating when handled by the users. Which of the following components should be replaced based on this description?

Drum
Toner Cartridge
Scanner Assembly
Fuser

A

Fuser

EXPLANATION:
The printer passes the paper through the Fuser, a pair of heated rollers. As the paper passes through these rollers, the loose toner powder melts, fusing with the paper’s fibers. The fuser rolls the paper to the output tray, and you have your finished page. The fuser also heats the appear itself, of course which is why pages are always hot when they come out of a laser printer or photocopier. If the paper feels dusty or toner doesn’t adhere to the printer, this usually indicates a failing Fuser that needs to be replaced.

77
Q

Dion Training is upgrading its wired network from an older CAT5e network to a CAT7 network. The network tech has run out of patch cables and asks you to create a straight-through patch cable. Which of the following tools is use to connect an RJ-45 Connector to the Patch Cable?

Cable Tester
Punchdown Tool
Cable Stripper
Crimper

A

Crimper

78
Q

What is the name of a computer system that is designed to perform a specific and dedicated function?

Patch System
Legacy System
UTM System
Embedded System

A

Embedded System

79
Q

Which of the following form factors provides a mini card interface used to connect a laptop’s SSD at a higher bus speed than SATA?

M.2

  1. 8”
  2. 5”
  3. 5”
A

M.2

80
Q

You have been dispatched to a customer’s office to help them fix their printer. You have asked the customer what the issue is, and the customer states, “The printer will not work.” You ask a few follow-up questions to understand the situation better and ask if any error messages were displayed. Which of the following steps of the CompTIA troubleshooting methodology best describes the actions you are currently taking?

Establish a plan of action to resolve the problem and then implement the solution.
Identify the Problem
Test the theory to determine the cause
Verify full system functionality and, if applicable, implement preventative measures.

A

Identify the Problem

81
Q

Which of the following is an Open-Source wireless communication protocol operating at 2.4 GHz frequency band and is primarily used for Home Automation?

Bluetooth
Zigbee
Z-Wave
NFC

A

Zigbee

EXPLANATION:
Zigbee is an Open-Source Wireless Communications Procol used for Home Automation.
Z-Wave is NOT Open-Source, it is Proprietary.

82
Q
  • Dion Security Group has established a Security Operations Center (SOC) that operates 24/7. They have Server 65” plasma TV’s at the front of the room that are used as computer displays to show open tickets. You turned off the televisions to clean the screens and noticed that the company logo is still visible in each of the screens’ upper left corners. Which of the following should you do to correct this?

Replace the HDMI Cable
Replace the Video Card
Degauss the Television
Replace the Plasma TVs

A

Replace the Plasma TVs

EXPLANATION:
On a Plasma, if there’s Burn In, you need to replace the TVs.

If you plan to have alot of Static Content on a Display, you should use an OLED or LED display instead of Plasma.

On an OLD CRT Monitor, you can run a Degaussing program to erase the burn in. Unfortunately, this will not work for Plasma, LED, OLED displays.

83
Q
  • You have been asked to install a Network Cable inside a conduit placed underground and connected to two buildings located about 1KM apart. Which of the following cable types should you choose?

Fiber
Coaxial
Plenum
Shielded

A

Fiber

EXPLANATION:
Fiber Optic cable is a Network Cable that contains strands of glass fibers inside an insulating casing. They’re designed for long-distance, high-performance data networking, and telecommunications. If you are dealing with connecting two networks over a long distance (Over a few hundred meters), you should use Fiber Optic cable.

Shielded and Plenum copper cables can only cover a distance of Approx. 100 meters in length.

Coaxial Cables can cover a max distance of 200 to 500 meters in length.

84
Q

Tamera was responding to a complaint that one of the employees is having problems with the wired network connection on their laptop. She investigated the issue to see why it will not connect to the network. Tamera looked at the indicator lights, but she doesn’t see the blinking she expected to view. Instead, the light is steady. What is MOST likely the issue?

No Network Connectivity
Low RF Signal
Incorrect TCP/IP Config
Intermittent Connectivity

A

No Network Connectivity

85
Q

A client’s PC was not able to be powered on. You are troubleshooting the issue by ensuring that the power cable is connected firmly to both the PC and the wall outlet. You took the PC to your workbench to diagnose it. You tried powering on the PC at the workbench, but it did not work. You decided to test the power supply unit and ensure it was selected for 110 volts. You connected it to a power supply tester and verified the power supply is working properly. What is the NEXT step in troubleshooting you should perform?

Replace the Memory
Check the Power Connection to the motherboard
Pull the CMOS battery out and wait 5 min and try again.
Replace the Power Supply

A

Check the Power Connection to the Motherboard

86
Q

What is the simplest and most cost-efficient way to allow other network users to access a printer if the printer does not have an RJ-45 or WIFI adapter available?

Order another printer with network capabilities and share it on the network
Order a printer port converter to share a non-networked printer
Establish a printer share on the network switch
Establish a print share on the local host

A

Establish a print share on the local host