CompTIA A+ part 1 Practice Questions

A support technician manages mostly digital displays but has some older computers with video cards that can support both analog and digital monitors. What type of video card do these older computers have? HDMI DVI VGA DisplayPort

DVI

A network technician is configuring an email connection that will have a permanent connection to the mail server. What kind of email connection is the technician configuring? SMTP HTML POP3 IMAP

IMAP

All the employees in a lawyer's office communicate with the internet and each other through the same appliance. What kind of network is the office using? SOHO Zigbee PAN MAN

SOHO

A company hired a network technician to manage the part of their network that is based on the 802.11 standard. What type of network will the technician be managing? LAN Wi-Fi MAN WAN

Wi-Fi

A network technician is upgrading the wireless network so that it can take advantage of "multiple input multiple output" (MIMO) to increase reliability and bandwidth. What standard is the technician upgrading the wireless network to? 802.11n 802.11g 802.11b 802.11a

802.11n

A technician must determine why a computer is overheating. Which of the following may be the cause? (Select all that apply.) Blanking plates are covering holes. A fan is not working. The room is too warm. There is an invalid cable specification.

A fan is not working. The room is too warm.

An administrator needs to supply power to a handset through the switch; however, the switch does not support Power over Ethernet (PoE). How can the administrator solve this problem? A managed switch An unmanaged switch A power injector A hub

A power injector

Which of the following central processing unit (CPU) architectures implements a system-on-chip (SoC) where all the controllers, including video, sound, networking, and storage, are part of the CPU? IA-32 x86 x64 ARM

ARM

A hardware technician is ordering power supply units (PSUs) for the organization's desktop computers. What type of form factor is the technician looking for the PSUs to have? ATX SFF PCIe Mini-ITX

ATX

A support technician is working on a motherboard that is 12" x 9.6" and has seven expansion slots. Which form factor is the technician working with? ATX mATX SFF Mini-ITX

ATX

A technician started a PC and, when the vendor's logo came up, pressed the F10 key. What is the technician doing? Restarting the PC Accessing the system setup program Setting a boot password Enabling secure boot

Accessing the system setup program

A network technician troubleshoots a computer on the wired network that is experiencing slow network speeds. Which of the following would NOT be a possible cause for the technician to troubleshoot? Improperly terminated patch cords Improper speed/duplex configuration Another radio source broadcasting at the same frequency External interference on the cable

Another radio source broadcasting at the same frequency

A network technician is troubleshooting an issue where a wireless device only receives an intermittent signal. What could be a possible cause of this? (Select all that apply.) Another radio source is broadcasting at the same frequency. There is Wi-Fi analyzer software running. There is an electromagnetic source nearby. Something is blocking the signal.

Another radio source is broadcasting at the same frequency. There is an electromagnetic source nearby. Something is blocking the signal.

A student is learning about computer hardware and the instructor selects them to identify the component that executes program instruction code. How will the student respond? CPU RAM Cache HDD

CPU

A hardware technician is reinstalling a heat sink with a central processing unit (CPU). Which of the following steps should the technician take to reinstall the heat sink without damaging the socket? (Select all that apply.) Clean it. Thermal paste. Pop up the CPU at a 45º angle. Wear an ESD wrist strap.

Clean it. Thermal paste. Wear an ESD wrist strap.

A desktop technician has responded to a user whose computer is running slow. The user claims they did not do anything that would cause the computer to run slow. What should the technician do to try to determine the probable cause of the problem? (Select all that apply.) Repair the problem. Document the findings. Conduct research. Question the obvious.

Conduct research. Question the obvious.

A technician is troubleshooting a failed redundant array of independent disks (RAID) configuration and is unable to access the RAID configuration utility. What does this indicate? Disk failure Boot process failure Controller failure Multiple disk failure

Controller failure

A network technician is configuring hosts to request IP configuration from a server. What protocol is the technician configuring? HTTPS SSH DHCP TFTP

DHCP

A desktop technician just fixed an issue where a computer would not connect to a network and verified the computer is communicating with the network again. What should the technician do now that will help with future troubleshooting efforts? Document findings. Test the theory. Establish a plan of action. Refer to vendor instructions.

Document findings.

Every time a user attempts to save a file, the computer shows an error that reads, "Cannot read from the source disk." What kind of issue does this indicate? POST issue Drive issue Power issue RAID failure

Drive issue

A company uses a database that a developer wrote in-house. Since the database is not supported and the developer has left the organization, what is the database considered to be? Legacy system EOL Embedded system UTM

EOL

A desktop technician was troubleshooting a computer that would not connect to the network and suspected that the network interface card (NIC) was not working. However, when the technician tested the NIC, it was working. What will the technician do next? Establish a new theory. Implement a plan of action. Test the theory. Implement preventive measures.

Establish a new theory.

A networking student is learning about IP addressing and discovers which of the following facts are NOT true regarding IPv6? Divided into two main parts. Will replace IPv4. Expressed in hexadecimal notation. Expressed in dotted decimal notation.

Expressed in dotted decimal notation.

A hardware technician is building a server that will process financial data in real time and wants to use error correcting code (ECC) RAM that will detect and correct errors, if possible. What else will the technician need to include in the server to support the ECC RAM? (Select all that apply.) Heat sinks Extra processor chip 72-bit data bus Two 64-bit data buses

Extra processor chip 72-bit data bus

A company hires a network technician who is reviewing the network setup documentation. The technician sees that the company has fiber optic cable running all the way up to the building. This represents what type of connection? FTTC VDSL ONT FTTP

FTTP

An engineer is designing a new computer system and wants to provide active cooling to improve airflow and dissipate heat from around the components. What will the engineer use in the system? Heat sinks Fans Thermal paste Thermal pads

Fans

A network technician is purchasing cellular phones for people who are travelling to a rural area and wants to make sure they will work with the most networks, as the areas do not have the latest cellular technology. What type of phones will help the technician accomplish this? CDMA GSM Firewall Router

GSM

A technician using the adapter that the manufacturer built into a computer's motherboard wants to join a computer to a new and upgraded network that still uses the most common type of cable to connect. What kind of network is the company using? Fast Ethernet Gigabit Ethernet Fiber optic Wi-Fi

Gigabit Ethernet

A support technician is installing a PCIe card that will use a combination of system memory and dedicated memory. What type of card is the tech installing? Graphics Sound NIC Wi-Fi

Graphics

A hardware technician is scanning a computer's non-volatile storage devices for errors and infections. Which of the following will the technician include in the scanning? (Select all that apply.) Hard disk drives Solid-state drives Random access memory Mass storage devices

Hard disk drives Solid-state drives Mass storage devices

To mitigate the heat a high-end gaming system will generate, an engineer is using a liquid-based cooling system in the design. Which of the following components are NOT a part of an open-loop, liquid-based cooling system? Fans Heat sinks Water blocks Water loop

Heat sinks

A small company hired a network technician to upgrade its network. Surprisingly the company was still using a legacy hardware device that configures a network into a star topology. What device was this? Managed switch Unmanaged switch Hub Patch panel

Hub

A technician is troubleshooting an issue with a computer. Although the computer is on the network, the server will not authenticate a user. What kind of problem does this indicate? Disk failure Inaccurate date/time Cabling issues Overheating

Inaccurate date/time

A network technician sets up the wireless network in such a way that each client device connects to the network via an access point (AP). What type of configuration is this? Frequency bands Infrastructure mode DFS Channels

Infrastructure mode

A support technician opened a PC case and observed a small computer system interface (SCSI) connector plugged into the motherboard. What can the technician know to be true about the connector? It connects the hard disk. It's using serial communications. It transfers data 1 bit at a time. It only supports 1 device at a time.

It connects the hard disk.

A network technician troubleshoots an issue where the video conferencing system keeps freezing up and dropping out. The technician determines that the router is not processing the signal fast enough. What is this type of issue known as? Latency VoIP QoS Jitter

Latency

An organization located on a large piece of rural property needs to connect its office building on the north side of the property with its warehouse and shipping operation on the south side of the property. The organization decides to connect the locations using long-range fixed wireless. What frequency spectrum must the organization use to ensure that nobody else can use the same frequency band? Unlicensed Licensed 802.11ax DFS

Licensed

As traffic is overloading an organization's website, the network administrator stands up another web server. What will the administrator configure to distribute traffic between the two servers? NAT Proxy server UTM Load balancer

Load balancer

A college that has several campuses located in different parts of the city has hired a network technician. What type of network will the technician be working on? LAN Wi-Fi MAN WAN

MAN

A hardware technician installed a new power supply unit (PSU) in a server and is removing any unnecessary power connector cables from it. What type of PSU did the technician install? Modular Redundant ATX ATX12V

Modular

A technician is troubleshooting a computer that will not turn on. The technician has verified that the wall socket and devices' internal components are working correctly. What could remain as an issue? (Select all that apply). On-premises distribution circuit Motherboard Power supply unit Power grid

Motherboard Power supply unit

A software developer is creating an application that will run multiple parallel threads through the central processing unit (CPU) at the same time to reduce the amount of "idle time" the CPU spends waiting for new instructions to process. What type of process is the developer taking advantage of? Multi-socket Multithreading Multicore Processor extensions

Multithreading

A network administrator configures an authentication, authorization, and accounting (AAA) server. Which component in the AAA server setup does not store authentication credentials, but acts as a transit to forward data between devices? Supplicant NAP RADIUS AAA

NAP

A network technician wants all PCs on the network to go to a server to get their boot settings. What boot option in system settings will the technician configure on the PCs? Fixed disk Optical drive USB Network/PXE

Network/PXE

A technician started up a computer and the power-on self-test (POST) issued a short beep. What does this indicate? Motherboard problem Faulty speaker Normal POST POST error

Normal POST

A technician retrieved a computer from storage, powered it on, and shortly began to notice a burning smell. What does this indicate? Disk failure Cabling issues Overheating Inaccurate date/time

Overheating

A technician is wirelessly transferring pictures from their camera to their computer. What kind of network does the technician establish? Wi-Fi LAN PAN WLAN

PAN

A network technician is installing a device with an inductor that will copy all the traffic coming through the cable to a monitor port. What type of device is the technician installing? SMF MMF Active TAP Passive TAP

Passive TAP

A network technician uses a switch configuration interface to see how long the port remains in the up state and that it is continually transitioning between up and down states. What does the network technician witness? Port flapping Slow network speeds RSSI QoS

Port flapping

Company employees access the same resources on the internet many times a day. As such, a network administrator configures a solution that forwards traffic to and from the internet and also caches content to improve performance and reduce bandwidth consumption. What solution is the administrator implementing? NAT Proxy server UTM Load balancer

Proxy server

A system engineer is configuring fault tolerance with a configuration that uses a logical striped volume with two mirrored arrays. What redundant array of independent disks is the engineer using? RAID 0 RAID 1 RAID 5 RAID 10

RAID 10

A hardware technician is calculating the amount of virtual memory in a system. Which of the following will the technician include in the calculation? (Select all that apply.) SSD Flash memory RAM Swap space

RAM Swap space

A network technician is upgrading a grocery store's checkout lines with contactless payment devices. What type of wireless technology are the payment devices based on? 802.11a Bluetooth RFID NFC

RFID

A network technician needs to replace a broken Ethernet cable. What kind of connector will the technician use to terminate the new cable? F-type RJ-45 SC LC

RJ-45

A desktop technician determined that a computer could not connect to the network because the network drop was not working. What possibilities are open to the technician for getting the computer back on the network? (Select all that apply.) Repair the drop. Implement preventive measures. Replace the drop. Implement a workaround.

Repair the drop. Replace the drop. Implement a workaround.

A technician is troubleshooting a video display that is fuzzy. What has caused this? Insecure connector Burn-in Resolution mismatch Incorrect color display

Resolution mismatch

An energy company is upgrading its systems. The company would like to control the systems with software that communicates with the current programmable logic controllers (PLCs) and new RTUs. What kind of system is the company upgrading to? OT SCADA Embedded system ICS

SCADA

A hardware technician is tearing apart a non-functioning computer to salvage parts and pulls out a memory stick that synchronizes its speed to the motherboard system clock. What type of memory has the technician removed? DDR SDRAM Dynamic RAM SDRAM ECC RAM

SDRAM

A hardware technician is purchasing mass storage devices and tells the salesperson that they must use flash memory technology. What type of devices will the salesperson show the technician? HDD SSD RAM CDs

SSD

A technician loans a laptop to employees when they go on travel and each time an employee returns the laptop the technician reformats it and reloads the operating system and all the software. After several years of following this process, the laptop is sluggish and often freezes. What is most likely to cause this to happen? Motherboard SSD RAM CDs

SSD

A network technician needs to deploy a computer on an Ethernet network and notices that the computer will sit on a shelf directly under a fluorescent light. What type of cable will the technician use? STP UTP Coax Fiber optic

STP

An energy company needs to protect trade secrets and wants to ensure that none of its PCs are hijacked by malware. Since there are no shared computers in the organization, what can a technician enable to ensure that will not happen? TPM HSM Encryption Secure boot

Secure boot

A company hired an administrator to manage their computers that host the employees' shared resources and applications. What kind of computers will the administrator manage? Client SAN Server Datacenter

Server

A hardware technician is upgrading a device with multiple, identical central processing unit (CPU) packages. What class of computer is the technician upgrading? Workstation Mobile Desktop Server

Server

A security technician is installing a doorbell/video entry system for a customer so that the customer can see and communicate with people who come to their home when they aren't there. What kind of device is the doorbell/video entry system? IoT Hub and control system OT Smart device

Smart device

A network technician is upgrading a legacy network for a small business and is replacing their legacy hub with a device that learns MAC addresses and uses them to forward frames to only the destination port, rather than sending them out to every port. What kind of device is the technician replacing the hub with? NIC Patch panel PoE Switch

Switch

A network technician is purchasing a digital subscriber line (DSL) service for a business that transfers large amounts of data back and forth between branches. What is the best connection type for the business? ADSL ISP PSTN Symmetric DSL

Symmetric DSL

An application developer wants to ensure packets arrive at the destination in the correct order and none are lost when an application communicates across the network. Which protocol will the application developer use? UDP TCP IP DNS

TCP

A hardware technician is following CompTIA's A+ troubleshooting model for diagnosing a monitor with a squiggly screen. The technician suspects the monitor screen is squiggly because it is located directly under a fluorescent light. What is the next step the technician should take? Identify the problem. Test the theory. Establish a plan of action. Verify full system functionality.

Test the theory.

A network technician is trying to locate the Cat 6A cable in a closet full of unmarked boxes with different types of cabling in them. How will the technician be able to tell which cable is Cat 6A? (Select all that apply.) The words "twisted pair cable" is on the cable jacket. The TIA/EIA standard is on the cable jacket. The Cat specification is on the cable jacket. The cable type is on the cable jacket.

The Cat specification is on the cable jacket. The cable type is on the cable jacket.

A hardware technician is inspecting the notches on a dual inline memory module (DIMM) edge. What will the notches on the edge connector help the hardware technician determine? (Select all that apply.) The DDR generation If it is compatible with the slot How to insert it properly If it has a heat sink

The DDR generation If it is compatible with the slot How to insert it properly

A support technician needs to install a legacy peripheral component interconnect (PCI) sound card. Which of the following statements about PCI is NOT true? PCI Express supersedes PCI. PCI uses parallel communications. The PCI card can fit into the PCIe slot. PCI is software compatible with PCIe.

The PCI card can fit into the PCIe slot.

A network technician is setting static IPv4 addresses on servers. Which addresses will they need to change for every device? (Select all that apply.) The gateway The last octet The first octet The alternate DNS

The gateway The last octet

Which of the following statements regarding most connectors and ports is NOT true? They use edge contacts. They use internal connection points. They use keying. They are reversible.

They use internal connection points.

A support technician needs to install an optical disk drive in a tower. How will the technician insert the drive bay? Through the front panel Through the side panel Through the rear panel Through the bottom of the rear panel

Through the side panel

An employee is leaving the company and must return any removable storage devices they may have. What devices will the employee most likely return? (Select all that apply.) Optical drive reader USB flash drive SD card RAM

USB flash drive SD card

An application uses Transmission Control Protocol (TCP) as it requires data to make it to the destination 100% intact. Which of the following are functions of this protocol? (Select all that apply.) Uses SYN/ACK packets. Uses TFTP. Uses negative acknowledgment. Uses FIN.

Uses SYN/ACK packets. Uses negative acknowledgment. Uses FIN.

A network technician is connecting a computer to the network using Ethernet. How is the physical connection to the cable made? Using the MAC address Using the RJ45 port Using a patch panel Using PoE

Using the RJ45 port

A network technician must allow employee computers to securely connect to the corporate network from alternate locations. What is the best method for the technician to use? DMARC DHCP scope VPN VLAN

VPN

A hardware technician is purchasing more servers for an organization and needs to ensure the power supply units in the data center have the correct output to support them. What is a power supply unit's output capability measured as? Power Voltage Watts Wattage rating

Wattage rating

A wireless network technician is upgrading the access points in a conference center to provide better Wi-Fi connectivity during conferences. What standard will provide connectivity to the most clients? MU-MIMO Wi-Fi 5 OFDMA Wi-Fi 6

Wi-Fi 6

A support technician is installing a new hard drive on a new computer. What type of cable connector will the technician plug in to supply power to the drive? 15-pin connector 7-pin connector 4-pin connector USB connector

15-pin connector

A network technician is checking the records to ensure all the host names match up with the proper IP addresses for the network. What records is the technician checking? (Select all that apply.) A MX FQDN AAAA

A AAAA

A support technician needs to connect the USB port on a portable monitor to an HDMI port on a laptop to extend the laptop's display. What kind of cable will the technician use to accomplish this? SCSI Adapter EIDE DVI

Adapter

A support technician has removed the case from a PC and sees a component in a square socket. What component has the support tech located? RAM Adapter CPU Drive

CPU

A network technician used a tool that energizes each wire in a cable. When the technician sent energy to some of the wires, the LED on the tool did not light up. What tool was the technician using? Toner probe Tone generator Cable tester Loopback plug

Cable tester

A hardware technician is working on a new desktop that can send 128 bits of data per transfer rather than 64 bits. What is this referred to as? Single channel Dual channel Triple channel Quadruple channel

Dual channel

A network technician troubleshoots a computer that is getting a limited connectivity message and an address in the automatic IP addressing (APIPA) 169.254.x.y range instead of receiving a lease for an IP configuration from the DHCP server. What are some steps the technician should take to troubleshoot this issue? (Select all that apply.) Establish the scope of the issue. Check the configuration of patch cords. Check the VLAN configuration. Sample the elapsed time between arriving packets.

Establish the scope of the issue. Check the configuration of patch cords. Check the VLAN configuration.

A web designer plans out a new website, including the uniform resource locators (URLs) for each page. What are parts of the URL that the web designer will need to consider? (Select all that apply.) File server FQDN Protocol File path

FQDN Protocol File path

A web designer is securely uploading files to a web server. What protocol is the designer using to do this? SMB NetBIOS FTPS FTP

FTPS

A user started a brand-new computer and received a "boot device not found" error. When the technician inspects it, what will they suspect the problem is? MBR BSOD GPT Pinwhee

GPT

A support technician plugged a monitor with a USB C cable connector into a USB C port on the computer, but the monitor would not function. Why would the monitor not work? It was an HDMI cable. It was a DisplayPort cable. It was a Lightning cable. It was a Thunderbolt cable.

It was a Thunderbolt cable.

A technician is troubleshooting a projector that keeps randomly shutting down. What is the most likely cause? Burned-out bulb Overheating Loose cable between the monitor and display Incorrect data source

Overheating

A support technician is connecting an extended integrated drive electronics (IDE) cable to a PC's motherboard and knows that pin 1 on the cable must match up with pin 1 on the port. How can the tech know where pin 1 is on the cable? Pin 1 has a blue stripe. Pin 1 has a black stripe. Pin 1 has a red stripe. Pin 1 has a grey stripe.

Pin 1 has a red stripe.

A network technician securely connects to a remote server on port 3389. What protocol does the technician use? LDAP SSH Telnet RDP

RDP

A manager directs a support technician to plug a device into the communications (COM) port. What port is the manager referring to? IDE SCSI USB Serial

Serial

A technician is implementing a feature that will compare hashes of key system state data during the boot process to ensure that nobody has tampered with the system firmware, boot loader, and OS kernel. What feature is this? HSM TPM Encryption Boot password

TPM

A support technician is installing a camera that requires the Universal Serial Bus (USB) 3.1 standard. What type of connector is synonymous with USB 3.1? Type A Type B Type B Micro Type C

Type C

A technician is upgrading the system firmware on a PC. Which of the following is the technician upgrading? (Select all that apply.) System settings BIOS Secure boot UEFI

BIOS UEFI

A computer is processing software instructions on the central processing unit. How is all computer software broken down to be processed? Bus Binary RAM System clock

Binary