Font size
WorksheetsCompTIA A+ 220-1101 Mock Exam
Total questions: 66
Worksheet time: 33mins
A developer is requesting permission to utilize client-side virtualization. The developer would like to write code in a setting isolated from other infrastructure to avoid negative impacts of experimental code. Which of the following provides the BEST solution for the developer?
Cross-platform functionality
Software compatibility
Test case development
Sandbox environment
A laptop PC user is reporting issues with the hard drive. A filesystem check shows that all files are accessible and the filesystem is clean. After the check, the PC still issues a hard drive error message. Which of the following is the MOST likely cause of the error?
S.M.A.R.T failure
IOPS failure
DIMM failure
RAID failure
A user takes a tablet to a technician because the cursor on it keeps drifting. The technician notices the screen does not appear to be damaged. Which of the following is the MOST likely cause of the cursor issue?
The screen is physically damaged.
The screen rotation is incorrect.
The touch-pen battery is depleted.
The screen needs to be recalibrated.
A laptop's external webcam software is running, but it shows no image or video. Which of the following should a technician perform FIRST?
Research new webcam firmware.
Restart the computer and run system diagnostics.
Reseat the webcam.
Reinstall the webcam software and drivers.
Which of the following describes the main difference between T568A and T568B cabling standards?
The T568B data transfer rate is higher than T568A.
The green and the orange cables are interchanged.
T568A is used in blue cables, and T568B is used in green cables.
The standards use different cable connectors.
A user is looking for a top-of-the-line gaming computer but is prone to motion sickness. The user wants to be able to talk to players and participate the game without using a keyboard. Which of the following should a technician recommend? (Choose two.)
Microphone
Speakers
VR headset
Protector
Headset
The Chief Executive Officer wants to ensure company data is stored in a manner that provides the company with complete control over how the data is managed. Which of the following is the BEST cloud deployment model for this request?
Community
Hybrid
Public
Private
Which of the following utilizes TCP ports 20/21 and transfers data in cleartext?
SNMP
SSH
FTP
Telnet
A customer is using a satellite internet connection that is experiencing slowness. A technician notices high latency while pinging, but the download test is performing perfectly with very good download speeds. Which of the following represents the NEXT action the technician should perform?
Restart the modem and run an online internet connection and speed diagnostic tool.
Guide the customer on how to upgrade the internet plan with the provider in order to improve latency.
Explain to the customer this is not an issue; this situation is normal for this type of internet connection.
Replace the modem because it is not working correctly based on the test result.
An organization maintains various record types, including health and criminal justice records. Which of the following cloud environments is the organization MOST likely to use to limit the attack surface?
Public
Hybrid
Community
Private
Which of the following components enables the input on a mobile device's touch screen?
OLED
Digitizer
Inverter
CMOS sensor
A user is trying to play a DVD on a projector. The user can hear the audio; however, the projector is showing an error message that states: HDMI Blocked due to Copy Protection. Which of the following is the MOST likely cause of the error?
The HDMI cannot carry the signal from the DVD to the projector.
The user needs to switch from HDMI to a cable standard such as DisplayPort.
The projector does not support the necessary HDCP protocol.
The user needs to enable copy-protected sources in the projector's settings.
Which of the following cloud models maintains access, even when a local internet outage occurs?
Private
SaaS
Community
Public
A user is researching hard drives to upgrade a PC and has decided to purchase a NVMe drive. Which of the following should the user confirm are available on the PC before making the purchase? (Choose two.)
SAS
M.2
SCSI
PCIe.
SATA
A salesperson is using a weather application on a mobile device. The application appears to be draining the device's battery very quickly. Which of the following is the BEST action for the salesperson to take in order to view weather forecasts while travelling?
Enable the GPS service to ensure accurate location detection.
Manually enter office locations in the weather application.
Configure less frequent location checks using cellular location services.
A user submits a help desk ticket regarding a smartphone that will no longer accept its charging cable. The assigned technician notices the phone does not have a protective case, and the user constantly transports the phone in a pocket. The technician attempts to use a secondary charger, but the cable falls out of the phone. Which of the following is the MOST likely cause of the issue?
The phone requires a firmware update to address charging issues.
The charge port contains foreign objects, such as lint.
The phone's battery has swelled, preventing the utilization of the charge port.
The phone has experienced water damage, thus the battery is not charging.
A network administrator was notified that laptop users are unable to access or ping any network resources on the corporate network. Which of the following should the network administrator check FIRST?
DHCP
AAA
DNS
ARP
A company wants to give third-party developers access to the corporate network through desktop environments that the company can control. Which of the following can BEST achieve these requirements?
Sandbox
VDI
Private cloud
SaaS
The IT department at an insurance brokerage needs to acquire laptops that have built-in fingerprint readers in order to create a more secure environment. Which of the following would be the MOST secure way to implement the fingerprint readers?
Grant all registered employees access to each machine.
Restrict device access to only the user to whom the laptop is assigned.
Limit device access to departments and guest users.
Give each team member a USB drive that bypasses the reader to allow guest users to log in.
Which of the following video cables can carry an audio signal?
HDMI
S-Video
VGA
DVI
A technician is building a video production workstation that will consist of two high-end GPUs. The technician is reusing an existing ATX case. Which of the following should the technician select as the MOST appropriate power supply type?
400W external power supply
2x 600W redundant power supplies
1,200W modular power supply
1,500W uninterruptible power supply
A printer technician receives a support request for a laser printer that sometimes cuts off the bottom of the print job. During troubleshooting, the technician notices that affected jobs are set for 8.5in x 14in (216mm x 356mm) paper and only print from a particular paper tray. Which of the following actions should the technician perform NEXT?
Verify that the printing trays are correctly set
Swap printer trays until the print jobs complete as expected
Replace the tray rollers to ensure proper paper alignment
Reset the default to use 8.5in x 11in (216mm x 279mm) paper
A user built a new PC with parts sourced from a popular online vendor. The system boots to the OS and basic browsing works, but whenever the user opens a 4K video or starts to play a game, the system immediately shuts down. Which of the following is the MOST likely cause of this issue?
The video card was installed in the wrong PCIe slot
The CPU heat sink was attached without adequate thermal paste
The SSD drives do not have enough Pagefile
The system does not have enough RAM for 4K video
A desktop PC was recently moved to a new area and needs internet access RJ45 connections are not available, but access can be provided through 802.11n connections. Which of the following will need to be installed?
Wireless NIC
NFS system
SSHD
USB card
A technician is troubleshooting a classroom projector that shuts down after fifteen minutes of use. Which of the following should the technician do to resolve the issue?
Replace the video input cable.
Change the bulb.
Clean the air filter.
Swap the power cord.
A technician is working on a desktop PC and wants to verify its NIC is functional. Which of the following should the technician use?
Cable tester
Loopback plug
Toner probe
Network tap
A technician is troubleshooting a laptop that is unable to browse the internet when connected to the company's wireless network. The technician has verified network connectivity is functional when using an Ethernet cable. Which of the following should the technician use to check if the laptop's wireless NIC is functional?
Hotspot
Near-field communication
Ethernet tap
Spectrum analyzer
A user reports that a computer will not turn on. The technician verifies the power cord and the outlet the computer are plugged into are both working properly. Which of the following is the hardware component that has MOST likely failed?
PSU
CPU
RAM
GPU
Which of the following networking devices will MOST likely need to be installed in between the ISP and the LAN in a SOHO environment?
Switch
Firewall
Cable modem
Router
Access point
A technician is configuring a desktop computer and the hard drive must be encrypted. Which of the following will the technician need to verify is enabled to complete this configuration?
ATX
NIC
TPM
ARM
A storage server with three drives was reporting errors indicating the array was in degraded mode, but the stored files were still accessible. A technician went to the server room to troubleshoot the error message. Which of the following RAID configurations did the technician MOST likely find?
RAID 0
RAID 1
RAID 5
RAID 10
A technician is building a new computer for a customer. The computer must use an ITX-sized motherboard and have a RAID 5 array with all drives using the same interface. Which of the following drive types will the technician MOST likely utilize?
SCSI
PCIe
NVMe
SATA
Which of the following should a user do FIRST when upgrading the power supply on a gaming PC?
Update the BIOS
Disconnect the system memory
Check the wattage rating
Reseat the graphics card
A technician needs to increase the available RAM on a virtual workstation. Which of the following should the technician do?
Increase the ECC memory timings in the BIOS.
Upgrade to the latest DDR5 modules.
Clear the temporary files on the workstation's boot drive.
Use a hypervisor to adjust the resource allocation.
A user reports a monitor, keyboard, mouse, and headset are no longer functioning. The user has restarted the laptop and tested an alternative headset and monitor, but the issue persists. The technician notices the user has a printer, USB-C hub, and AC adapter plugged into the laptop. Which of the following should the technician do to MOST likely resolve the issue?
Verify the AC adapter voltage.
Repair the operating system.
Replace the user's USB-C hub.
Reinstall the drivers for affected devices.
Make sure the printer is not drawing too much power.
Which of the following virtualization technologies allows Linux and Windows operating systems to run concurrently?
Test environment
Sandbox
Legacy OS
Cross-platform
Which of the following network options would work BEST to ensure a client-side virtual machine cannot access the rest of the network?
NAT mode
Bridge mode
Direct mode
Host-only mode
not access the rest of the network?
NAT mode
Bridge mode
Direct mode
Host-only mode
A technician is replacing all RJ45 cables in a customer environment. Which of the following are the BEST tools to execute the task? (Choose two.)
Cable tester
Crimper
Optical fiber tester
Scissors
Coaxial cable
Which of the following 802.11 Wi-Fi protocols utilizes the 5.0GHz frequency and has the BEST speed and reception?
802.11a
802 11ax
802.11b/g/n
802.11n
A user called the help desk to report an issue with a laptop. Recently, the user has been unable to click the buttons on the track pad or press some keys on the keyboard. The technician inspects the laptop but does not find any physical damage caused by the user. Which of the following is the MOST likely cause of the issue?
Damaged digitizer
Swollen battery
Distended capacitors
Failed accelerometer
Following a scheduled power outage, users report they cannot access the local intranet. A technician is able to ping the IP address of the server that is hosting the website. Which of the following servers is MOST likely offline?
Web
DNS
File
DHCP
A server administrator is building a new application server. Which of the following RAID levels provides MAXIMUM performance and redundancy?
RAID 0
RAID 1
RAID 5
RAID 10
Which of the following delivers internet over a copper medium?
ONT
SDN
DSL
WISP
A customer has a Wi-Fi-capable laptop to use when traveling for work. Which of the following will allow the laptop to stay connected when the user travels?
Cellular card
Wi-Fi extender
Bluetooth
GPS
A technician needs to configure a printer for network communications. Which of the following must the technician configure? (Choose three.)
PCL
Gateway
Dots per inch
Subnet mask
IP address
Which of the following does a DHCP reservation MOST likely apply to?
Smart TV
Mobile device
Workstation
Printer
A technician is working to connect an RS-232 serial signature pad to a customer's ultralightweight laptop. Which of the following should the technician use to install the device?
Port replicator
Wi-Fi Direct
Hotspot
USB-C cable
Which of the following wireless networking protocols will support both 2.4GHz and 5GHz devices?
802.11ac
802.11ax
802.11b
802.11g
A company uses legacy accounting software, and no replacement is available Which of the following virtualization solutions will the company MOST likely select?
Network
Storage
Desktop
Sandbox
A virtual file server in the cloud is configured to automatically add compute resources during times of high load on the server. Which of the following describes this cloud feature?
File synchronization
High availability
Rapid elasticity
Shared resources
A desktop support technician receives an escalated ticket regarding a computer that displays the following message upon booting up: The amount of system memory has changed. Which of the following components is failing?
GPU
HDD
RAM
CPU
Using the output below: IPv4 Address: 172.25.1.39 Subnet Mask: 255.255.255.0 Router: 172.25.1.252 Name Server: 172.25.1.4 Which of the following is the default gateway?
172.25.1.252
172.25.1.39
172.25.1.4
255.255.255.0
A technician is working on a critical warehouse machine that will not turn on. The technician has determined the power supply for the machine failed. The warehouse manager is looking for a solution that will prevent downtime in the future. Which of the following devices should the technician install to meet this requirement?
Grounded power supply
Modular power supply
220V power supply
Redundant power supply
A user's track pad has stopped working. Which of the following should the user do to resolve the track pad's functionality?
Reinstall the mouse drivers.
Use the Function key.
Calibrate the digitizer.
Configure the mouse settings.
A help desk technician receives a ticket stating a printer has jammed several times today. The technician removes the jammed paper and notices the paper supply is low and the paper in the tray is wrinkled. Which of the following MOST likely caused the paper jams?
High latency
Page orientation
Driver mismatch
Multipage misfeed
A user reported that a laptop would no longer turn on after the battery was depleted, even though laptop was charged the night before. An on-site technician was dispatched with a spare laptop and verified that the AC adapter and power cord were functional. Which of the following was the MOST likely cause of the issue?
Swollen battery
Calibration corruption
Excessive wattage
Damaged port
A technician installed a new SSD in a computer that needed additional storage. The technician properly formatted and partitioned the drive. The BIOS recognizes the drive, but the drive does not appear as an available drive in My Computer. Which of the following should the technician do to resolve the issue?
Replace the defective drive.
Make sure a drive letter has been assigned.
Check Device Manager.
Initialize the disk in Disk Management.
A user is unable to access the internet on a PC. A technician examines the PC and runs the following commands: ipconfig /all ping 8.8.8.8 ping comptia.org Which of the following steps in the troubleshooting process does this series of commands represent?
Establish a theory.
Verify full system functionality.
Establish a plan of action.
Identify the problem.
A technician installed a new router at a small office. After the installation, the technician notices that all devices have a 169.254.x.x IP address. Printers and fileshares are still working, but PCs cannot access the internet. Which of the following should the technician configure on the router to enable devices to connect to the internet?
APIPA
DNS
DHCP
SMB
A user requested a new printer with the requirement that all documents be printed in duplicate. Which of the following will produce the MOST cost-effective duplicate printouts with the least amount of effort?
Inkjet printer
Thermal printer
Impact printer
Laser printer
A technician is troubleshooting a laptop that shuts down intermittently. When the laptop is repositioned, the technician notices a noise coming from inside of it. The technician removes the bottom cover. Which of the following should the technician do NEXT?
Turn on the laptop and move it again to replicate the issue.
Reseat the memory modules and the SSD.
Remove the internal battery and look for loose parts.
Inspect the connections for a damaged cable.
An administrator notices that on an intermittent basis the virtual machines are running slowly. The virtual machines are correctly sized, and the hardware has enough free resources to cope with demand. Which of the following is most likely the cause?
The physical servers are not able to draw enough power.
The physical servers do not have enough network bandwidth.
The physical servers are throttling due to overheating.
The physical servers are contending for resources.
Which of the following technologies can be used to harden guest virtual machines?
Containerization
Network isolation
Resource reservation
vTPM
A technician is attempting to connect the wired LANs at two nearby buildings by installing a wireless point-to-point connection. Which of the following should the technician consider?
NFC protocol data rate
RFID frequency range
Bluetooth version compatibility
Allowable limits for transmit power
Which of the following network devices should a technician install in order to isolate voice traffic on the network?
Network tap
Managed switch
Hub
DSL filter
