CompTIA A+ 2 Eng

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1/101 Questions

The touch-screen feature on a Windows device has stopped working. Which of the following should the technician check FIRST?
- A. Device Manager
- B. Performance Monitor
- C. System configuration
- D. Digitizer settings

About This Quiz

This CompTIA A+ 2 Eng quiz assesses key skills in troubleshooting and configuring Windows devices, managing network issues, and scripting in Linux. It is designed for technicians seeking to validate their technical expertise and improve operational efficiency in IT environments.

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2.

Which of the following is the MOST likely cause for a network PC to have an APIPA address?
- A. DHCP failure
- B. DNS resolution
- C. Duplicate IP address
- D. Cleared ARP cache
Correct Answer

A. A. DHCP failure

Explanation

The most likely cause for a network PC to have an APIPA (Automatic Private IP Addressing) address is DHCP failure. APIPA is a feature in Windows that automatically assigns an IP address in the absence of a DHCP server. If the DHCP server fails to assign an IP address to the PC, it will default to an APIPA address in the range of 169.254.0.1 to 169.254.255.254. This allows the PC to have limited network connectivity within the local network.

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3.

A technician needs to routinely run scripting commands in Linux but does not want to walk over the server roomevery time to perform the task. The technician also travels between buildings and has a Windows 10 laptop with4GB of memory and a fully partitioned 500GB hard drive. Which of the following steps should the technician take to resolve this issue? (Choose two.)
- A. Increase the memory to 8GB
- B. Install a Linux guest VM.
- C. Add another 500GB hard drive.
- D. Create a Linux LiveBoot CD.
- E. Repartition the hard drive.
- F. Install Linux on a new ext3 partition.
Correct Answer(s)

A. E. Repartition the hard drive.
A. F. Install Linux on a new ext3 partition.

Explanation

The technician should repartition the hard drive to create space for a new ext3 partition and then install Linux on that partition. This will allow the technician to have a dedicated space for running scripting commands in Linux without the need to walk over to the server room or rely on a separate virtual machine. Increasing the memory or adding another hard drive would not directly address the issue of running scripting commands in Linux. Installing a Linux LiveBoot CD could be an option, but it may not be convenient for the technician who travels between buildings.

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4.

A technician has been informed that multiple users are receiving duplicate IP address warnings on theirworkstations, and they are unable to browse the Internet. Which of the following server types should the technician log in to in order to resolve the problem?
- A. DNS server
- B. DHCP server.
- C. Proxy server
- D. RADIUS server
Correct Answer

A. B. DHCP server.

Explanation

The technician should log in to the DHCP server in order to resolve the problem. Duplicate IP address warnings indicate that multiple devices on the network have been assigned the same IP address, which can cause connectivity issues. The DHCP server is responsible for assigning IP addresses to devices on the network, so logging in to this server will allow the technician to investigate and resolve the issue by reconfiguring the DHCP settings to ensure that each device receives a unique IP address.

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5.

Which of the following devices is used to implement network security policies for an environment?
- A. Firewall
- B. managed switch
- C. Repeater
- D. Gateway
Correct Answer

A. A. Firewall

Explanation

A firewall is a device that is used to implement network security policies for an environment. It acts as a barrier between a trusted internal network and an untrusted external network, controlling the incoming and outgoing network traffic based on predetermined security rules. Firewalls can monitor and filter network traffic, blocking unauthorized access and potential threats from entering or leaving the network. They play a crucial role in protecting the network from malicious activities and ensuring data security.

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6.

Which of the following peripheral types is MOST likely to be used to input actions into a PC?
- A.Webcam
- B. Mouse
- C. Monitor
- D. Optical drive
Correct Answer

A. B. Mouse

Explanation

A mouse is the most likely peripheral type to be used to input actions into a PC. A mouse allows the user to move the cursor on the screen and perform various actions such as clicking, dragging, and scrolling. It is a common and essential input device for interacting with a computer. A webcam is primarily used for capturing video and images, a monitor is an output device that displays the computer's visual output, and an optical drive is used for reading or writing data from optical discs.

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7.

A technician replaced a broken LED screen on a mobile computer. The operating system can be seen perfectlyon screen, but the touch screen is non-responsive. Which of the following are the MOST probable root causes for the given failure? (Choose three.)
- A. The hardware replacement used is a non-touch-screen
- B. The touch screen must be calibrated after a replacement.
- C. The digitizer cable is not seated properly on the motherboard.
- D. The new touch-screen drivers must be installed.
- E. The replacement part is dead-on-arrival.
- F. The LCD panel firmware must be updated.
- G. The grounding screws are not securely attached.
Correct Answer(s)

A. C. The digitizer cable is not seated properly on the motherboard.
A. E. The replacement part is dead-on-arrival.
A. G. The grounding screws are not securely attached.

Explanation

The non-responsive touch screen on the mobile computer could be attributed to several factors. Firstly, the digitizer cable might not be seated correctly on the motherboard, disrupting the connection between the screen and the device's hardware. Secondly, the replacement part itself could be faulty or dead-on-arrival, rendering it incapable of registering touch inputs. Lastly, inadequate attachment of grounding screws could lead to electrical issues, interfering with the touch screen's functionality. Addressing these potential root causes may resolve the touch screen's unresponsiveness and restore normal operation to the device.

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0
8.

In a virtual environment, which of the following allows all the VMs to have RAM allocated for use?
- A. Resource pooling
- B. Measured service
- C.Virtual application streaming
- D. Synchronization
Correct Answer

A. A. Resource pooling

Explanation

Resource pooling allows all the VMs in a virtual environment to have RAM allocated for use. Resource pooling is a technique where resources such as CPU, RAM, and storage are shared among multiple virtual machines. This allows for efficient utilization of resources and ensures that each VM has access to the necessary amount of RAM for its operations. By pooling resources, virtual environments can maximize their efficiency and optimize resource allocation.

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9.

An analyst asks a technician to recommend a solution for a customer in the software development industry,where the customer can test a variety of OS’s running the various applications that the customer produces. Thecustomer wants to minimize the investment in hardware. Which of the following solutions should the technician recommended to BEST meet the customer’srequirement?
- A. Purchase a number of low-cost devices, installing the required Oss and applications on each one. Useseparate machines for each testing environment.
- B. Purchase a high-end system meeting the hardware requirements for all of the individual Oss andapplications. Configure a VM for each testing environment.
- C. Purchase one computer and create images for each computer configuration and OS. Re-image themachine for each testing environment.
- D. Purchase a number of computers, installing a VM on each one. Configure each VM with an OS for thetesting environment.
Correct Answer

A. B. Purchase a high-end system meeting the hardware requirements for all of the individual Oss andapplications. Configure a VM for each testing environment.

Explanation

The technician should recommend option B because it allows the customer to minimize hardware investment while still being able to test a variety of operating systems and applications. By purchasing a high-end system that meets the hardware requirements for all individual operating systems and applications, the technician can configure a virtual machine (VM) for each testing environment. This means that the customer can run multiple operating systems and applications simultaneously on a single physical machine, saving on the cost of purchasing separate devices or multiple computers.

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10.

A user is experiencing email problems and explains to a technician that all emails with graphics or images donot display the graphics.Which of the following configurations would correct this behavior?
- A. Change the email settings in antivirus.
- B. Change the security settings of the email client.
- C. Change the firewall security settings.
- D. Change the email proxy settings.
- E. Change the trusted sites in the browser settings.
Correct Answer

A. B. Change the security settings of the email client.

Explanation

Changing the security settings of the email client would be the most appropriate solution to correct the behavior of not displaying graphics or images in emails. Security settings in the email client can often block or restrict the display of certain content, including graphics or images, in order to protect the user from potential threats or malicious content. By adjusting the security settings, the user can allow the display of graphics and images in their emails.

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11.

Which of the following resources in the MOST critical when using cloud file-storage synchronizationapplications?
- A. Disk speed
- B. I/O bandwidth
- C. RAM utilization
- D. CPU utilization
Correct Answer

A. B. I/O bandwidth

Explanation

The correct answer is B. I/O bandwidth. When using cloud file-storage synchronization applications, the I/O bandwidth is the most critical resource. This is because file synchronization involves transferring data between the local device and the cloud storage, and the speed and capacity of the I/O bandwidth directly impact the efficiency and speed of this data transfer process. A higher I/O bandwidth allows for faster and smoother synchronization, while a lower bandwidth can result in slower file transfers and synchronization delays.

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12.

A user logs on a PC and receives a message stating there is a duplicate IP address on the network. After a system restart, the user notices the same error. Which of the following is the MOST probable cause of the error?
- A. The user is still logged into another device.
- B. The user has set a static IP address.
- C. The user has moved to a different office.
- D. The user has wireless and wired connections.
Correct Answer

A. B. The user has set a static IP address.

Explanation

The most probable cause of the error is that the user has set a static IP address. This means that the user has manually assigned a specific IP address to their PC, which is conflicting with another device on the network. This can cause a duplicate IP address error message to appear. Restarting the system will not resolve the issue because the static IP address will remain the same.

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13.

Whenever a user’s machine is turned on, a black screen appears prompting the user for an administrativepassword. The technician has no such password on file for this machine. Which of the following steps should the technician take to resolve this issue?
- A. Press and hold the CPU power button for five seconds, and then power back on.
- B. Disconnect and reconnect the internal hard drive.
- C. Remove the CMOS battery and reinsert it after ten seconds.
- D. Remove the motherboard and place it back into the machine after ten minutes.
Correct Answer

A. C. Remove the CMOS battery and reinsert it after ten seconds.
14.

A server administrator set up a VM to be used in a lab setting. A technician is setting up thin-client computers toaccess this VM. Which of the following tasks are required to complete the project? (Choose three.)
- A. Connect the device to a printer.
- B. Install the operating system.
- C. Install a USB keyboard and mouse
- D. Connect the device to the network.
- E. Install the latest system updates.
- F. Install the latest device drivers.
- G. Connect the device to a monitor.
- H. Install the necessary applications.
Correct Answer(s)

A. D. Connect the device to the network.
A. E. Install the latest system updates.
A. H. Install the necessary applications.

Explanation

The technician needs to complete the following tasks to set up the thin-client computers for accessing the VM in the lab setting:
1. Connect the device to the network, as the VM needs to be accessible over the network.
2. Install the latest system updates to ensure that the thin-client computers have the latest security patches and bug fixes.
3. Install the necessary applications on the thin-client computers to enable them to connect to and interact with the VM.

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15.

A technician receives a cellular from a manager. The technician is instructed to download a service manualdirectly from the Internet to a laptop. However, there is no WiFi signal or wired Ethernet. Which of the followingwould be the MOST appropriate connections for the technician to use?
- A. Hotspot
- B. NFC
- C. Bluetooth
- D.VPN
Correct Answer

A. A. Hotspot

Explanation

The most appropriate connection for the technician to use in this situation would be a hotspot. A hotspot allows the technician to connect to the internet using their cellular data plan, essentially turning their phone into a portable WiFi network. This would allow the technician to download the service manual directly from the internet to the laptop, even without a WiFi signal or wired Ethernet connection. NFC (Near Field Communication) and Bluetooth are not suitable in this scenario as they are typically used for short-range communication between devices, and VPN (Virtual Private Network) is a network connection that provides secure access to a remote network, but it does not solve the issue of lack of internet connectivity.

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16.

A technician is replacing the LCD panel in a laptop. Which of the following components is MOST likely to bedamaged accidentally during the repair?
- A. Bezel
- B. Hinge
- C.Motherboard
- D.Digitizer
Correct Answer

A. D.Digitizer

Explanation

During the process of replacing the LCD panel in a laptop, the digitizer is the component that is most likely to be accidentally damaged. The digitizer is the touch-sensitive layer on top of the LCD panel that allows the user to interact with the screen. Since the technician is working directly with the LCD panel, there is a higher risk of accidentally damaging the digitizer, especially if proper care and caution are not taken during the repair process.

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17.

A technician is replacing an older video card with a new high-end video card in a workstation. The installationwas successful, the new card seated properly, and power is connected. However, upon booting, the computernow emits several beeps and will not boot, but shows no error messages. Which of the following is MOST likelythe cause of this issue?
- A. The BIOS is out-of-date
- B. The is not enough PSU output
- C. There is an onboard RAM mismatch
- D. GPU is overlocked
- E. The firmware is out-of-date
Correct Answer

A. B. The is not enough PSU output

Explanation

The most likely cause of the issue is that there is not enough power supply unit (PSU) output. When installing a new high-end video card, it requires more power to operate properly. If the PSU does not have enough output to support the new card, it can lead to the computer emitting several beeps and failing to boot. This is a common issue when upgrading hardware components that require more power than the previous ones.

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18.

Which of the following Internet connection types often terminates at a switching center and then requires theuse of a different media for the last mile to the customer?
- A. ISDN
- B. DSL
- C. Fiber
- D. Cable
Correct Answer

A. B. DSL

Explanation

DSL, or Digital Subscriber Line, is an internet connection type that often terminates at a switching center and then requires the use of a different media for the last mile to the customer. This is because DSL uses the existing copper telephone lines for data transmission, which are connected to a switching center. However, for the final connection to the customer's premises, DSL requires a different media, such as twisted pair copper wires, to cover the last mile distance.

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19.

Company management wants to be able to give users the ability to work remotely during periods of badweather. Which of the following should be enabled to allow the workforce to do this?
- A. NAT
- B.VLAN
- C.VPN
- D. HIPS
Correct Answer

A. C.VPN

Explanation

To enable users to work remotely during periods of bad weather, a VPN (Virtual Private Network) should be enabled. A VPN creates a secure connection over the internet, allowing users to access company resources and work remotely as if they were in the office. This ensures that data transmission is encrypted and secure, protecting sensitive information from potential threats. NAT (Network Address Translation) is used for translating private IP addresses to public IP addresses and is not directly related to remote work. VLAN (Virtual Local Area Network) is used for segmenting a network, but it does not provide remote access capabilities. HIPS (Host-based Intrusion Prevention System) is a security tool that protects individual systems from network-based threats and is not specifically related to remote work.

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20.

A user wants to build a computer with a high-end CPU, plenty of RAM, and a high-end graphics card for onlinegaming. The user wants to verify that the graphics card is compatible with the motherboard. Which of thefollowing connection types would the user MOST likely utilize to connect the video card to the motherboard?
- A. PCle
- B. ISA
- C. AGP
- D. USB
Correct Answer

A. A. PCle

Explanation

The user would most likely utilize the PCle (Peripheral Component Interconnect express) connection type to connect the high-end graphics card to the motherboard. PCle is a high-speed serial connection that provides a direct and fast connection between the graphics card and the motherboard, allowing for efficient data transfer and optimal performance for online gaming. ISA (Industry Standard Architecture) and AGP (Accelerated Graphics Port) are outdated connection types that are not commonly used for high-end graphics cards. USB (Universal Serial Bus) is also not suitable for connecting a graphics card to the motherboard as it does not provide the necessary bandwidth and speed required for gaming.

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21.

A company offers several out-of-the-box computer configurations to its clients. A client requests several new computers for its newest location, which will be used by guests to check in upon arrival and fill out contact information. Which of the following configurations would BEST fit this customer’s needs?
- A. Touch-screen kiosk
- B. Thick client
- C. CAD workstation
- D.Virtualized host computer
Correct Answer

A. A. Touch-screen kiosk

Explanation

A touch-screen kiosk would best fit this customer's needs because it allows guests to interact directly with the computer screen to check in and fill out contact information. This configuration is user-friendly and efficient for this specific purpose.

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22.

Which of the following ports are used for secure sessions? (Select two.)
- A. 22
- B. 23
- C. 25
- D. 80
- E. 110
- F. 443
Correct Answer(s)

A. A. 22
A. F. 443

Explanation

Ports 22 and 443 are used for secure sessions. Port 22 is used for Secure Shell (SSH), a cryptographic network protocol that allows secure remote login and file transfer. Port 443 is used for HTTPS (Hypertext Transfer Protocol Secure), which is the secure version of HTTP and is commonly used for secure communication over the internet, such as secure browsing and online transactions.

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23.

Which of the following is designed to function BEST in harsh lighting conditions?
- A. Large tablet
- B. E-reader
- C. Smart watch
- D.Virtual reality headset
Correct Answer

A. B. E-reader

Explanation

E-readers are designed with e-ink technology, which is well-suited for harsh lighting conditions, including bright sunlight. Unlike traditional screens, e-ink displays mimic the appearance of printed paper and are highly readable in various lighting conditions. In contrast, large tablets, smartwatches, and virtual reality headsets generally have backlit screens that can be challenging to read in bright light.

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0
24.

Which of the following connector types is used to terminate household telephone cabling?
- A. RG-6
- B. RJ-11
- C. RJ-45
- D. RG-59
Correct Answer

A. B. RJ-11

Explanation

RJ-11 is the correct answer because it is the connector type commonly used to terminate household telephone cabling. RJ-11 connectors have six positions and two or four conductors, making them suitable for telephone connections. RG-6, RG-59, and RJ-45 connectors are used for different purposes, such as coaxial cable connections and Ethernet networking, but they are not typically used for terminating household telephone cabling.

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25.

A shipping department is having problems with its thermal label printer. Two columns on the left are notappearing on all labels. Which of the following should a technician do FIRST?
- A.Verify the ribbon is correctly aligned to the label
- B. Run a label calibration
- C. Remove stuck labels from the print path
- D. Replace the print head
Correct Answer

A. A.Verify the ribbon is correctly aligned to the label

Explanation

The correct answer is A. Verify the ribbon is correctly aligned to the label. This is the first step to take because if the ribbon is not aligned properly, it can cause issues with printing. By checking the alignment of the ribbon, the technician can ensure that it is positioned correctly and that it will print properly on the labels. This is a simple and quick troubleshooting step that can potentially solve the problem without the need for further actions.

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26.

A technician is buying a PC that will host three VMs running at the same time with the current configuration.The technician believes there might be a need to run several additional VMs in the near future. Which of thefollowing resources would be the MOST important to upgrade to allow for the additional VMs?
- A. CPU
- B. SSD
- C.NIC
- D.RAM
Correct Answer

A. B. SSD

Explanation

In this scenario, the technician wants to run multiple virtual machines (VMs) simultaneously and potentially add more in the future. The most important resource to upgrade in order to accommodate the additional VMs would be the SSD (Solid State Drive). An SSD provides faster read and write speeds compared to a traditional hard drive, which is crucial for running multiple VMs efficiently. Upgrading the CPU or RAM may also improve performance, but the SSD is the most critical component for handling the increased workload of multiple VMs.

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27.

The ability for new computers to be automatically connected to the network is provided by the:
- A. DHCP server
- B. DNS server
- C. proxy server
- D. TACACS server
Correct Answer

A. A. DHCP server

Explanation

The DHCP server is responsible for automatically assigning IP addresses to computers on a network. It eliminates the need for manual configuration, allowing new computers to seamlessly connect to the network without requiring any user intervention. The DHCP server also provides other network configuration information, such as subnet mask and default gateway, making it an essential component for network connectivity.

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28.

A technician is setting up a printer for a small office that does not have an RJ-45 jack. The users’ computers are all in the same work group and are connected physically to the same network switch. The technician needs to make sure all users can print to the new printer through the switch. Which of the following should thetechnician configure?
- A. Shared printer
- B. Print server
- C. Bluetooth printing
- D. Cloud printing
Correct Answer

A. A. Shared printer

Explanation

The technician should configure a shared printer. By setting up a shared printer, the technician can allow all users in the same workgroup to access and print to the printer through the network switch. This eliminates the need for each individual computer to have a direct connection to the printer, as they can all communicate with the printer through the shared network connection.

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29.

The cloud model that represents a company maintaining some data in on-premise storage and some data incloud-based storage is known as:
- A. hybrid
- B. private
- C. public
- D. community
Correct Answer

A. A. hybrid

Explanation

The correct answer is A. hybrid. The hybrid cloud model refers to a combination of on-premise storage and cloud-based storage. In this model, a company can choose to keep some of its data on its own servers (on-premise) and store some data in the cloud. This allows for greater flexibility and scalability, as well as the ability to take advantage of the benefits of both on-premise and cloud-based storage.

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30.

A network administrator is attempting to access the firewall while inside the data center. Which of the following peripherals must be connected to do so?
- A. KVM
- B. Touchpad
- C. Mouse
- D. Keyboard
Correct Answer

A. A. KVM

Explanation

In order to access the firewall while inside the data center, the network administrator must have a KVM (Keyboard, Video, Mouse) peripheral connected. KVM allows the administrator to control multiple computers or devices using a single set of peripherals. By connecting the KVM, the administrator can use their own keyboard, mouse, and monitor to access and manage the firewall.

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31.

An engineer is working at a remote site that does not have Internet access. Which of the following features should the engineer use to connect a laptop to the Internet if hotspot functionality is unavailable?
- A. Tethering
- B. Near field communication
- C. Wireless LAN
- D.Virtual private network
Correct Answer

A. A. Tethering

Explanation

The engineer should use tethering to connect the laptop to the Internet when hotspot functionality is unavailable. Tethering allows the laptop to share its internet connection with other devices by connecting it to a mobile device or a cellular network. This way, the laptop can access the internet through the mobile device's data connection.

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32.

Which of the following is the main purpose of the +5VSB output of a power supply?
- A. It allows peripherals to draw power when the machine is off
- B. It provides power to the audio and sound boards of the machine
- C. It acts as the main voltage supply to the motherboard and processor
- D. It powers all expansion cards and external device hubs
Correct Answer

A. A. It allows peripherals to draw power when the machine is off

Explanation

The +5VSB output of a power supply is designed to provide power to peripherals even when the machine is turned off. This feature allows devices such as USB ports, keyboards, and mice to remain powered and ready for use even when the computer is not in use. This is especially useful for charging devices or for features like wake-on-LAN, where the computer can be remotely powered on. It is not directly related to powering audio and sound boards, supplying power to the motherboard and processor, or powering expansion cards and external device hubs.

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33.

A user printed several documents to a shared network copier and noticed that they have very faint color density. A technician investigates the issue and verifies that the printer had a maintenance kit installed recently. Which of the following next steps will MOST likely resolve the issue? (Select two.)
- A. Replace the toner cartridges
- B.Replace the fuser module
- C.Clean the paper tray rollers
- D. Adjust the printer settings
- E. Replace the developer
- F. Empty the waste toner bottlers
Correct Answer(s)

A. A. Replace the toner cartridges
A. C.Clean the paper tray rollers

Explanation

The faint color density in the printed documents suggests that the toner cartridges may be low or empty. Therefore, replacing the toner cartridges would likely resolve the issue. Additionally, if the printer had a maintenance kit installed recently, it is possible that dust or debris may have accumulated on the paper tray rollers, leading to poor print quality. Cleaning the paper tray rollers would also help improve the color density of the printed documents.

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34.

A laptop is connected to a conference room projector in extended display mode. The desktop icons appear normal on the laptop, but are disproportionate and illegible on the projector screen. Which of the following should the technician check?
- A.Video resolution
- B. HDMI connection
- C. Keystone
- D. Focus
Correct Answer

A. A.Video resolution

Explanation

The technician should check the video resolution. The issue of disproportionate and illegible desktop icons on the projector screen suggests that the resolution settings may not be properly configured. Adjusting the video resolution settings can help ensure that the display is properly scaled and legible on the projector screen.

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35.

Which of the following wireless standards is only capable of 5GHz frequencies?
- A. 802.11a
- B. 802.11ac
- C. 802.11b
- D. 802.11g
Correct Answer

A. A. 802.11a

Explanation

802.11a is the correct answer because it is the only wireless standard that operates exclusively in the 5GHz frequency range. The other options, 802.11ac, 802.11b, and 802.11g, can operate in both the 2.4GHz and 5GHz frequency ranges.

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36.

The graphics has an issue with printing certain files. The printer does not print the complete image on larger files. A technician verifies the network speed of the printer is set to 1GB and that regular text files print without issue. Which of the following is the MOST likely cause of this problem?
- A. The printer needs more RAM
- B. The print server is timing out
- C. The users are not printing in post-script mode
- D. The printer network connection is set to half duplex
Correct Answer

A. A. The printer needs more RAM

Explanation

The most likely cause of the problem is that the printer needs more RAM. This is because the issue occurs specifically with larger files, suggesting that the printer may not have enough memory to handle the data. The fact that regular text files print without issue indicates that the problem is not related to the print server or the network connection. Additionally, the users not printing in post-script mode would not affect the printing of larger files.

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37.

A network administrator is troubleshooting a notebook that is not loading the local Windows 10 operating system. All the computers inside the company are installed using UEFI mode selected. The message on the screen shows a failed attempt to connect to a PXE server. When requested, the end user reported trying to improve the computer’s speed by changing some BIOS configurations randomly. Which of the following should the network administrator check FIRST inside BIOS?
- A. C-states should be configured to 2
- B. Secure Boot should be enabled
- C. Wake-on-LAN should be unchecked
- D. The PXE server address should be set
Correct Answer

A. D. The PXE server address should be set

Explanation

The network administrator should check the PXE server address first inside the BIOS. The message on the screen indicates a failed attempt to connect to a PXE server, which suggests that the notebook is trying to boot from a network source instead of the local operating system. Setting the correct PXE server address in the BIOS will ensure that the notebook boots from the local Windows 10 operating system instead of attempting to connect to a network server.

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38.

A customer recently moved a high-end graphics card from a known-working computer to a different computer.The computer works without issue when viewing email and web pages or when using certain applications.However, when a game with high-end graphics requirements is opened, the program will run for a few minutes before the computer shuts down. Which of the following is MOST likely causing the problem?
- A. Power supply wattage
- B.Video RAM
- C. CPU frequency
- D. Monitor resolution
Correct Answer

A. A. Power supply wattage

Explanation

The most likely cause of the problem is the power supply wattage. The high-end graphics card requires a significant amount of power to run properly, and if the power supply does not have enough wattage, it may not be able to provide enough power to the graphics card when it is under heavy load, such as when running a game with high-end graphics requirements. This can cause the computer to shut down as a safety measure to prevent damage to the components.

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39.

An ISP has notified a SOHO user of a usage increase on the user’s network. The user is concerned the WiFi network is being utilized by unauthorized users. Which of the following would minimize the unauthorized use of the WiFi network?
- A. Implement MAC filtering
- B. Enable NAT
- C. Create a network DMZ
- D. Upgrade the encryption standards
Correct Answer

A. A. Implement MAC filtering

Explanation

Implementing MAC filtering would minimize the unauthorized use of the WiFi network. MAC filtering allows the network administrator to create a whitelist of approved devices based on their MAC addresses. Only devices with approved MAC addresses will be able to connect to the network, preventing unauthorized users from accessing the WiFi network. This adds an additional layer of security to the network and helps ensure that only authorized devices are able to connect.

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40.

Which of the following services provides the ability to resolve UNC to appropriate IP addresses?
- A. DNS
- B. DHCP
- C. Proxy
- D. Web server
Correct Answer

A. A. DNS

Explanation

DNS (Domain Name System) is a service that translates domain names (such as www.example.com) into IP addresses (such as 192.168.1.1) that computers use to communicate with each other. In this case, DNS is responsible for resolving UNC (Universal Naming Convention) addresses to the appropriate IP addresses. UNC addresses are used to access shared resources on a network, such as file shares or printers, and DNS ensures that the correct IP address is returned when a UNC address is queried. DHCP (Dynamic Host Configuration Protocol) assigns IP addresses to devices on a network, Proxy servers act as intermediaries between clients and servers, and Web servers host websites, but none of these services specifically resolve UNC addresses.

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41.

A technician is troubleshooting network connectivity issues after a new wireless router was installed in an office.Users who connect to the new router are unable to access LAN resources. Which of the following is the MOST likely cause of the issue?
- A. There are conflicting DHCP servers on the network
- B. There are conflicting ARP records
- C. There are conflicting gateways on the network
- D. There are conflicting IP protocols
Correct Answer

A. A. There are conflicting DHCP servers on the network

Explanation

The most likely cause of the issue is that there are conflicting DHCP servers on the network. DHCP (Dynamic Host Configuration Protocol) is responsible for assigning IP addresses to devices on a network. If there are multiple DHCP servers on the network, they may be assigning conflicting IP addresses to devices, leading to connectivity issues.

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42.

A technician has been asked to fix a problem with a projector. The projector lamp turns off for brief periods during a demonstration. After the technician replaced the lamp, the problem continued with an added message that appears just before the lamp turns off. Which of the following MOST likely need to be performed? (Choosetwo.)
- A. Reset the lamp life counter
- B. Replace the cooling fan
- C. Adjust the brightness
- D. Update the laptop video driver
- E. Install a higher lumen lamp
- F. Change the video resolution
Correct Answer(s)

A. A. Reset the lamp life counter
A. B. Replace the cooling fan

Explanation

Based on the given information, the technician has already replaced the lamp but the problem still persists. This suggests that the issue is not with the lamp itself but with other components of the projector. The added message that appears before the lamp turns off indicates a potential problem with the cooling system, as it could be overheating and causing the lamp to shut off. Therefore, the technician should perform two actions: reset the lamp life counter to ensure accurate monitoring of lamp usage, and replace the cooling fan to prevent overheating and ensure proper functioning of the projector.

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43.

A workstation was just moved to a new work location without a surge protector. It was working the day before,but now the PC will not power on, the fans will not spin, and there are no signs of activity. Which of the following should the technician do FIRST?
- A. Check the power cable connection
- B. Check the voltage of the PSU with a tester
- C. Test for distended capacitors
- D. Check the voltage switch
Correct Answer

A. A. Check the power cable connection

Explanation

The technician should first check the power cable connection because it is possible that the cable may have become loose or disconnected during the move. This could result in a lack of power to the PC, causing it to not power on and the fans to not spin. By checking the power cable connection, the technician can ensure that the PC is receiving the necessary power to function properly.

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44.

Some users are unable to access the Internet form their workstations. A technician runs the ipconfig command on one of the workstations and sees the following: IPv4 address 192.168.1.27 Subnet mask 255.255.255.0 Default gateway 192.168.1.1 The technician pings 8.8.8.8 and gets no response. Next, the technician pings 192.168.1.1 and gets no response. The technician is able to successfully ping an adjacent workstation but cannot ping the print server on the floor below. Which of the following is the MOST likely cause of the Internet connectivity issue in the office?
- A. There is a problem with a router in the office
- B. There is a problem with a DNS server in the office
- C. The users are not getting correct IP addresses from the DHCP server
- D. The wireless access point in the area is down
Correct Answer

A. A. There is a problem with a router in the office

Explanation

The technician is unable to ping both the default gateway (192.168.1.1) and an external IP address (8.8.8.8), indicating that there is an issue with the router in the office. Since the adjacent workstation can be pinged successfully, it suggests that the local network connectivity is fine. Therefore, the most likely cause of the Internet connectivity issue is a problem with the router in the office.

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45.

A systems administrator receives a notification from the RAID controller that the RAID 5 array is degraded.Upon logging into the server, the administrator sees that on local disk 0, physical disk 2 has failed. Which of the following is the BEST course of action to take to resolve the problem?
- A. Schedule system downtime and replace physical disk 2. Wait until the array is rebuilt and confirm in theRAID controller that the system is no longer degraded.
- B. Immediately replace physical disk 2. Wait until the arrays is rebuilt and confirm in the RAID controller thatthe system is no longer degraded.
- C. Delete logical disk 0 and manually configure a new RAID array only using the known-good working drives.Wait until the array is rebuilt and confirm in the RAID controller that the system is no longer degraded.
- D. In the controller, convert the RAID 5 array to RAID 0 array to avoid system downtime. Wait until the array is rebuilt and confirm in the RAID controller that the system is no longer degraded.
Correct Answer

A. A. Schedule system downtime and replace physical disk 2. Wait until the array is rebuilt and confirm in theRAID controller that the system is no longer degraded.

Explanation

The best course of action is to schedule system downtime and replace the failed physical disk 2. By replacing the failed disk, the administrator can ensure that the array will be able to rebuild properly. Waiting for the array to rebuild and confirming in the RAID controller that the system is no longer degraded is necessary to ensure that the issue has been resolved. This approach minimizes the risk of data loss and ensures the stability and integrity of the RAID array.

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46.

A technician is hired to install network cable in a crawl space running the length of a hallway. To do so without afire code violation, which of the following types of cable should the technician run?
- A. Plenum
- B. Fiber
- C. Shielded
- D. Coaxial
Correct Answer

A. A. Plenum

Explanation

To install network cable in a crawl space without violating fire code regulations, the technician should use plenum cable. Plenum cables are specifically designed for use in plenum spaces, which are areas in a building used for air circulation. Plenum cables have a special insulation that is fire-resistant and emits minimal smoke and toxic fumes in case of a fire. This ensures compliance with fire safety regulations and helps to prevent the spread of fire and smoke through the building.

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47.

Which of the following devices performs forwarding decisions based on MAC addresses?
- A. Switch
- B. Router
- C. Hub
- D. Repeater
Correct Answer

A. A. Switch

Explanation

A switch is a networking device that operates at the data link layer of the OSI model. It uses MAC addresses to forward data packets between devices on a local area network (LAN). When a switch receives a packet, it examines the destination MAC address and compares it to its MAC address table. Based on this information, the switch determines the appropriate port to forward the packet to. Therefore, a switch performs forwarding decisions based on MAC addresses.

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48.

A technician is dispatched to troubleshoot a slow performance issue on a PC. Upon arrival, the technician immediately opens Task Manager and sees that CPU and RAM performance are within normal ranges. The technician then checks and verifies the speed and duplex settings and performance on the network card. The technician then temporarily disables the antivirus to see if performance is affected, and it is not. After re-enabling the antivirus, which of the following is the NEXT best stop for the technician to take?
- A. Check to see if insufficient hard drive space is causing the issue
- B. Update the operating system, drivers, and firmware on the PC
- C. Log into the PC with another user profile and test performance
- D. Shut down the PC, unplug the power for 30 seconds, and then boot the PC
Correct Answer

A. A. Check to see if insufficient hard drive space is causing the issue

Explanation

Based on the given scenario, the technician has already checked and verified that the CPU, RAM, network card, and antivirus are not causing the slow performance issue. Since the technician has ruled out these possibilities, the next best step would be to check if there is insufficient hard drive space. Insufficient hard drive space can cause a PC to slow down as it affects the performance of the system. Therefore, checking the hard drive space is the logical next step in troubleshooting the slow performance issue.

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49.

An office has a network that has all computers connected to two switches. The switches are connected with a fiber cable. The computers and switches are all located in the same building. Which of the following network types does this describe?
- A. WAN
- B. PAN
- C. LAN
- D. MAN
Correct Answer

A. C. LAN

Explanation

This scenario describes a Local Area Network (LAN) because all the computers and switches are located in the same building. A LAN is a network that covers a small geographical area, typically within a single building or campus. In this case, the computers are connected to two switches, which are then connected via a fiber cable, allowing them to communicate with each other within the same network.

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Current Version
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Quiz Edited by
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Mar 30, 2020

Quiz Created by
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CompTIA A+ 2 Eng

The touch-screen feature on a Windows device has stopped working. Which of the following should the technician check FIRST?

Quiz Preview

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Which of the following services provides the ability to resolve UNC to appropriate IP addresses?

A technician is troubleshooting network connectivity issues after a new wireless router was installed in an office.Users who connect to the new router are unable to access LAN resources. Which of the following is the MOST likely cause of the issue?

A workstation was just moved to a new work location without a surge protector. It was working the day before,but now the PC will not power on, the fans will not spin, and there are no signs of activity. Which of the following should the technician do FIRST?

A systems administrator receives a notification from the RAID controller that the RAID 5 array is degraded.Upon logging into the server, the administrator sees that on local disk 0, physical disk 2 has failed. Which of the following is the BEST course of action to take to resolve the problem?

A technician is hired to install network cable in a crawl space running the length of a hallway. To do so without afire code violation, which of the following types of cable should the technician run?

Which of the following devices performs forwarding decisions based on MAC addresses?

An office has a network that has all computers connected to two switches. The switches are connected with a fiber cable. The computers and switches are all located in the same building. Which of the following network types does this describe?