CompTIA A+ Core 1 (220-1101) Certification Practice Exam

Match each port number on the left with its associated protocol on the right. Internet Message Access Protocol (IMAP)

143

Match each port number on the left with its associated protocol on the right. Secure Shell (SSH)

22

Which of the following correctly describe the most common format for expressing IPv6 addresses? (Select two.)

32 numbers, grouped using colons Hexadecimal numbers

Match each port number on the left with its associated protocol on the right. Service Location Protocol (SLP)

427

Match each port number on the left with its associated protocol on the right. HyperText Transfer Protocol Secure (HTTPS)

443

Match each port number on the left with its associated protocol on the right. Server Message Block (SMB/CIFS) directly over TCP

445

You have a CD-RW drive that advertises speeds of 32x/12x/48x. What is the read speed of the drive?

48x

You are a junior network technician for a small consulting firm. You have recently learned about IP addressing and run the ipconfig command on your local computer. The output from the command is: IPv4 Address..... 192.168.0.52 Subnet Mask..255.255.255.0 Default Gateway..192.168.0.1 Which of the following is the host ID?

52

Match each port number on the left with its associated protocol on the right. Apple Filing Protocol (AFP)

548

You have recently purchased a toll pass for a bridge that you cross each day on your way to work. Which of the following wireless technologies is MOST likely being used for this pass?

Active RFID

You want to be able to use a high-quality, noise-cancelling headset with your mobile phone to make conference calls and to listen to music. However, your new mobile phone does not have an earphone jack. Which of the following technologies allows you to wirelessly connect your headset to your new phone?

Bluetooth

In order to edit print server properties in Windows 11, which section do you need to select from the Settings menu?

Bluetooth & devices

Can change colors, track motion, stream audio over Bluetooth, and double as a connected camera, but it's only smart when turned on.

Bulb

With a memory module read request, there is a delay between the time of the data request and the time the data is available for output from the memory module. What is this delay called?

CAS latency

A group of workers attend a team-building retreat at a remote cabin. They can place calls on their mobile smartphones, but the cabin has no wired phone, television, or wired internet connectivity. The workers need to access an internet web page through their laptop computers. Which of the following internet connection types might be available to the workers?

Cellular

One of your customers is still using an old dot matrix printer. While printing, the customer notices that the text is light or faint. You installed a new printhead, but the document printing is still faint. Which of the following should you do to troubleshoot the cause?

Check the gap between the printhead and paper.

Which of the following terms describes the difference between white and black in an LCD monitor?

Contrast ratio

A user reports that the projector in the conference room has display issues when it is connected to his laptop. After identifying the cause and completely resolving the issue, the projector displays the images perfectly both on his laptop and on the projector. Which of the following troubleshooting strategies should you perform next?

Document the solution.

Uses a wireless protocol and a cryptographic key to execute the authorization process. It can also monitor access and send alerts related to a device's status.

Door lock

ou want to install Windows from optical media on a mirrored RAID disk array. You run the motherboard disk configuration utility and create the RAID 1 array. Then you configure the system to boot from the Windows installation optical media. The Windows installation starts, but does not detect the RAID array. Which of the following will MOST likely allow the RAID array to be detected?

During the installation, browse to and select the appropriate drivers for your RAID controller when prompted.

Rachel, an employee in the support department, wants to run a virtual machine on her computer to troubleshoot customer issues. Which of the following must she complete before virtualization will work on her computer?

Enable virtualization support in the BIOS settings.

As an IT technician for your company, you are in the process of setting up several servers in your network. During the process, one of the servers was misconfigured and is having trouble synchronizing information with the other servers. Which of the following is the BEST next step?

Gather information.

You are assisting an employee with rebooting a frozen laptop that does not respond to keystrokes or mouse clicks. Which of the following is the SIMPLEST way to power down the laptop?

Hold down the power button for several seconds.

Which term describes the layer of software that resides between the virtual operating system and the physical hardware in a virtualization environment?

Hypervisor

Which of the following battery types is the MOST expensive?

Lithium Ion (Li-Ion)

You have recently purchased a 3D resin printer. After printing out a few 3D objects, the printer begins producing grinding noises. What is the MOST likely cause of the issue?

Loose printer screws

You have just built a new system from scratch. You turn the computer on, but the system boot fails and sounds a beep code. Which of the following is the MOST likely cause?

Memory is not installed or is not detected.

Which of the following characteristics accurately describes passive heat sinks?

More reliable than active heat sinks

Google Cloud, Amazon Web Services, and Microsoft Azure are some of the most widely used cloud storage solutions for enterprises. Which of the following factors prompt companies to take advantage of cloud storage? (Select two.)

Need to bring costs down Growing demand for storage

You have recently purchased a new, foldable smart phone. Which of the following types of mobile device display technologies is MOST likely being used for the foldable display?

OLED

Which of the following is the generally accepted rule for manually setting the initial and maximum paging file size?

One and a half times the size of the physical RAM for the initial size and three times for the maximum size.

Which of the following are characteristics of the 802.11g wireless standard? (Select three.)

Operates in the 2.4 GHz range. Maximum bandwidth of 54 Mbps. Backwards compatible with 802.11b devices.

Zoey has brought her computer in for servicing. When she dropped off her computer, she mentioned that it spontaneously reboots and freezes occasionally. Which of the following is the MOST likely cause of these problems?

Overheated CPU

Which of the following BEST describes the Platform as a Service (PaaS) cloud computing service model?

PaaS delivers everything a developer needs to build an application on the existing cloud infrastructure.

Which pin on the power supply connector connects to the power good wire on the motherboard in order to indicate an appropriate action for the motherboard if the power disappears, quickly reappears, or does not appear at all?

Pin 8

Easy solution for making small appliances such as lamps, coffee makers, and toasters smart.

Plug

A user is configuring an email client application and plans to use a standard TCP/IP suite protocol to retrieve email messages from an email server. Which of the following TCP/IP suite protocols can be used to retrieve email messages? (Select two.)

Post Office Protocol (POP3) Internet Message Access Protocol (IMAP)

While performing data entry on your Windows 11 laptop, your screen suddenly goes black. What can you do immediately to troubleshoot the issue without losing any data that you have entered?

Press the Windows key + P four times

What type of operating system do embedded devices use?

Real-time operating system

When playing videos games or watching movies on your workstation, the screen sometimes freezes and displays strange colors. You suspect that your video card is causing the issues. What is the BEST solution to resolve your display issues?

Replace the video card.

When you print from your laser printer, the paper contains faint images from previous printouts. Which of the following components is MOST likely the cause? (Select two.)

Rubber scraper Fluorescent lamp

Which function is commonly associate with the following icon?

Screen orientation

Which key advantages do containers have over virtual machines? (Select two.)

Smaller size and may only require a few megabytes Faster start times for containerized applications

Uses voice recognition software and activates through a Wake Word or Hot Word.

Speaker/digital assistant

While setting up a home office, a technician disables the DHCP service on the office router, but does not want to rely on link-local addressing. Which of the following IP addressing methods should they use?

Static

Which of the following network types uses special hardware to provide high-speed access to storage across the network?

Storage area network

Allows you to control hardwired lights, ceiling fans, fireplaces, small appliances, and garbage disposals.

Switch

What are the fundamental differences between a DVD drive and a Blue-ray drive? (Select two.)

The Blu-ray laser has a shorter wavelength, which allows data to be packed more tightly on the disc. Blu-ray uses a blue laser instead of a red laser.

A laptop has a wired connection to a network and is configured with a static IP address. The link light on the NIC is lit, but the laptop cannot communicate with any hosts on the local network. Which of the following is the MOST likely cause of the issue?

The IP address conflicts with another host on the local network.

You are troubleshooting a malfunctioning laptop computer system. The customer has indicated that the screen is always dark and difficult to read, even while the system is plugged into a wall outlet. You checked the system and determine that the backlight isn't working. Which of the following is the MOST likely cause of this issue?

The LCD cutoff switch is stuck in the Off position.

Which of the following BEST describes the overall purpose of virtualization?

The ability to install and run multiple operating systems on a single physical machine.

Which of the following is the biggest advantage of 64-bit processors over 32-bit processors?

The ability to use over 4 GB of memory.

While presenting a high-definition video through a projector, you find that the audio is not in sync with the video. What is the MOST likely cause of this issue?

The audio file is being processed faster than the video file.

You want to enable the Execute Disable Bit (EDB) setting in your BIOS/UEFI to help reduce your system's exposure to viruses and malicious code. Which of the following are requirements for your system to use EDB? (Select two.)

The operating system must support EDB. The processor must be EDB-capable.

Learns from your habits and schedule, allows you to control the climate in your home remotely, shows you energy consumption in real time, and adjusts itself depending on ambient conditions.

Thermostat

You need to trace the route that a Cat 6 UTP cable takes through the ceiling and walls of your building. Which tool should you use?

Tone generator

You have just installed a new CPU in your workstation along with a CPU heat sink and fan. Which of the following should you do next as a best practice?

Update the BIOS after installing the processor.

In preparation to use your laptop on an airplane as you travel to a conference, you disconnected the external USB mouse. However, you notice that the cursor drifts consistently to the left side of the screen while using the built-in trackpad and mouse buttons on the notebook. Which of the following actions will MOST likely stop the mouse from drifting?

Update the trackpad drivers.

Your Windows 11 system powers on, but there is no image on your display. You have already checked to make sure that the monitor is connected properly to the computer, is plugged in, and is turned on. Which of the following is the BEST next step you should take to try to resolve the issue?

Verify that the BIOS/UEFI is configured to use the correct video adapter.

Which of the following paper types should you not use in Inkjet printers?

Very glossy paper not specifically marked "For inkjet printers."

You currently use the Exchange email client on your desktop PC. You use the Exchange email client to connect to an email server, which utilizes the IMAP and SMTP protocols. You recently purchased an iPad, and you want to configure its Mail app to connect to your email server. Which of the following BEST describes whether you can accomplish this task?

You can configure the Mail app on an iPad to connect to an email server using the IMAP and SMTP protocols.

Which of the following accurately describes a hypervisor? (Select two.)

A layer of software that resides between the virtual operating system and the hardware. Allows virtual machines to interact directly with the hardware.

A user is configuring an email client application and decides to use a TCP/IP suite protocol that stores all messages on the email server so that they can be synchronized across a laptop, a smartphone, and a web email client. In addition, this protocol stores the email messages on the email server until the user explicitly deletes them. Which of the following TCP/IP port numbers will the client application typically access while using this protocol to contact the email server?

143

Match each port number on the left with its associated protocol on the right. HyperText Transfer Protocol (HTTP)

80

A computer's power supply converts main AC to low-voltage regulated DC power for the internal components. You are building a new computer, and you are deciding which type of power supply to install. Which of the following definitions BEST describes a valid type of power supply?

A dual-rail power supply provides separate rails (PCB traces) to balance the power load between multiple circuits (this prevents any one circuit from becoming overloaded).

Which of the following help to improve the security of sensitive information on your mobile device if it is lost or stolen? (Select three.)

A screen lock Locator applications Remote wipe

Which of the following MOST accurately describes a touch pen?

Includes features such as tilt and pressure sensitivity.

Which of the following load balancer algorithms takes each server's active connections and processing power into consideration?

Weighted least connections

As the technician for a data logging center, you order a box of continuous computer paper for your printer. Which of the following components needs to be included in the printer for the ordered paper to work properly?

A tractor feed

A technician is configuring the static TCP/IP settings on a client computer. Which of the following configurations are needed for internet communications? (Select three.)

DNS server address IP address with a subnet mask (IPv4) or subnet prefix length (IPv6) Default gateway address

Which of the following protocols is used by an email client to retrieve messages from an email server, giving users the option to keep mail messages on the server?

IMAP

From the illustration below, select the sound card port that can be used for both analog and digital audio.

RCA

Which connector is used with unshielded twisted-pair (UTP) cabling?

RJ-45

While using the touchpad on a laptop computer, you notice that the mouse is not responding very well, making it difficult to move the mouse around the screen. Which of the following actions would MOST likely fix this problem?

Recalibrate the touchpad.

Uses an RF transmitter. May include such features as motion detection, scheduled recording, remote viewing, and automatic cloud storage.

Security camera

You need to replace a broken monitor on a desktop system. You decide to replace it with a spare monitor that wasn't being used. Even though the monitor is made by a different manufacturer than the desktop computer, it still works with the computer. Which computer design concept makes this possible?

Standardization

You are an IT technician for your company. As part of your job, you must manage and support a wide variety of devices. Which of the following devices MOST likely use a microUSB connector? (Select two.)

Tablets Smartphones

A user reports that her monitor has stopped working. While troubleshooting the issue, you discover a bad video card in the system. You replace the card and connect the monitor cable to the card. Which of the following actions should you perform NEXT in your troubleshooting strategy?

Test the solution.

Your laser printer prints a vertical black line on every page. You change the toner cartridge, but the problem does not go away. What is the MOST likely problem?

The corona wire is dirty.

You are troubleshooting a malfunctioning laptop computer. Nothing appears on the LCD display when the system is powered on. When you connect an external monitor to the system, the Windows desktop is displayed on the monitor properly. Which of the following is MOST likely causing this problem? (Select two.)

The display output has been redirected to the external monitor port using an fn key.

Your company has decided to use only SATA drives in their systems. Which of the following is true of MOST newer SATA drives?

They can be added to or removed from a system without shutting down the computer.

When do you need to upgrade the system BIOS?

Whenever a BIOS update provides functionality that is not currently supported, but is required by the operating system or hardware.

You have had several employees call the help desk where you work, complaining that they are not able to reach the www.widgets.com server. To help troubleshoot this issue, you decide to run a variety of commands. Which of the following commands is MOST likely to return the IP address of the desired server?

ping www.widgets.com

Ida, one of the employees in the sales department, needs a way to display her PowerPoint sales presentation to a large group of potential customers. She has asked you to set up the conference room in preparation for her presentation. You will need to purchase a display system for the conference room. Which of the following display systems would be the BEST to purchase?

A large screen and a projector

A manufacturing company has customized a computer application that supervisors use to track line worker efficiency. Supervisors will interact with the application while walking within and between work areas and will also use the laptop while sitting at their desks. Which of the following laptop features will BEST minimize the awkward movement of carrying a bulky laptop with a hinged display while providing the flexibility to use the device at a desk?

A rotating or removable screen

Joe, a frequent visitor to a branch office, attempts to connect his tablet to the office wireless network, but is unable to connect to the internet, even though he has verified that the SSID and password are correct. Joe attempts to connect to a coworker's hotspot, but is still unable to connect to the internet. Which of the following is the MOST likely cause of this issue?

Airplane Mode has been set on his tablet.

After working without problems for a couple of years, your computer has begun to lock up. You suspect that it is a thermal issue, but you can't find any component that is not functioning correctly. You have not replaced the CPU or installed any new devices. The CPU cooling fan and the power supply fan are working properly. The lock-ups are happening with increasing frequency. Which of the following is the MOST common condition that explains these symptoms?

An accumulation of dust has gradually built up.

The PCI sound card in your computer has stopped working. You decide to use the motherboard's integrated sound until you can replace the PCI sound card. After removing the PCI sound card and powering on the computer, you have no sound, and the built-in sound card does not show up in Device Manager. Which of the following is the BEST action to try first to resolve this issue?

Edit the CMOS settings and enable the onboard sound.

A user sends a print job to a network printer, and it prints page after page of random characters. He calls the help desk, and a technician discovers that the wrong printer driver had been loaded on the user's workstation. The technician loads the correct driver, verifies that the system works correctly, and documents the resolution. Which of the following actions should the technician perform next?

Educate the user as to how the problem was resolved and verify that they are satisfied with the results.

You are setting up a small network in your office with one Windows server and 50 Windows workstations. You want to spend as little time as possible configuring the workstations with IP addressing information. What is the BEST solution to reduce the time required to configure the workstations with IP addressing information?

Install and configure the DHCP service on your server.

Which statements are true of processor caches? (Select two.)

L3 is shared between all cores. L1 is typically unique to a processor core.

Your company needs to print a lot of high-quality black-and-white text documents. These documents need to be printed as quickly and inexpensively as possible. The printer must also have the capacity to perform duplex printing. Which of the following printers BEST meets your company's printing requirements?

Laser

A new laptop was delivered to your home and left on the porch while you were at work. It is very cold outside, and you don't know how long it has been there. You unpack the laptop. You would like to know if it is working properly. Which of the following is the BEST action to take?

Let the laptop warm up to room temperature before turning it on.

You have an existing system that has a single DDR3 memory module installed. You would like to add more memory to the three remaining empty memory slots. Which of the following steps should you take to make sure that you get the right memory for the system? (Select two.)

Purchase additional modules that are the same as what is currently installed. Check the motherboard documentation to find which modules are supported.

You are updating the operating system on your iPad. Your iPad is connected to your computer, and you are using iTunes to install the update. Which of the following BEST describes what would happen to your iPad if you disconnect it before the operating system update is complete?

The operating system could become corrupted.

You have purchased a refurbished Windows laptop and have just plugged the power adapter into the wall socket to begin charging the battery. However, after several hours of charging, the laptop does not turn on. What is the MOST likely cause of the power issue?

You have been given the incorrect adapter.