Knowledge Check: CompTIA A+ Core 1 (220-1101) Post-Assessment Quiz

What is the function of the computer's bus system?

a. To manage and transmit data throughout the computer

A video card using a PCIe ×16 slot is faster than the video port built-in on the motherboard.

True

Which of the following wireless networking standards uses only the 5 GHz frequency and provides the best performance at the farthest edge of its reach?

a. 802.11ac

You are looking for a new Intel processor, and you want a processor that works fast and has the most memory on the processor. What is the main feature that you should take into consideration when deciding on which processor to purchase?

a. Cache

A technician has been dispatched to resolve an issue with a network-attached printer that will not print from any network device. The technician has power cycled the printer, and the printer control panel indicates the printer's status is "Error 51." Which of the following is the next step the technician should take to troubleshoot the printer?

a. Check the printer documentation for the error code.

A client is requesting your assistance in connecting a printer to one of the computers in their shipping department. The printer needs to be accessible to all other network computers in the department. On visual inspection of the computer and printer, it is obvious the connection must be made using a USB cable. Which is the most likely method of connecting and sharing the printer?

a. Connect the printer to the computer and share the printer by using the printer's Properties' Sharing tab.

Which of the following client/server resources shares files by sending them over the Internet using port 20 by default?

a. FTP server

Your company has decided to allow employees to receive email from the company email server on their personal smartphones. However, the company wants the email delivered to everyone's computer email client. Which email protocol would you suggest your company employ?

a. IMAP4

How does your mobile provider identify your specific physical mobile device?

a. IMEI

Onesimus is preparing for a vacation to the mountains and is trying to decide on the memory card to purchase. He wants to be able to use the card in his digital camera to capture his memories with pictures and video, then later transfer them to his Windows laptop. The camera has a micro-sized card slot and the laptop is equipped with a full-size SD slot. He is looking for a memory card that has at least 32GB of storage capacity. Which of the following storage media type(s) should Onesimus choose?

a. Micro SDXC, Video Speed Class V30 with adapters

Your customer is having a problem with their cellular device. They read that they should disable roaming on the phone to save money. The customer is going out of town and will need to enable roaming. After you enable roaming for the customer, you will need to update information about radio bands, sub-bands, and service providers' IDs. What kind of cellular update contains information about radio bands, sub-bands, and service providers' IDs?

a. PRL update

Which of the following refers to encoded page data that describes the appearance of the printed page in a way in which the printer can understand?

a. Page Description Language

You are replacing a toner cartridge. You have already powered off and unplugged the printer. What actions would you take next to replace the toner cartridge?

a. Press the cover release button and open the printer cover.

Building computing machines and understanding their configuration is an important skill set. You can use this knowledge to perform upgrades, such as decreasing the power consumption or reducing the computer cases' physical size. Given your knowledge of a computer's internal components, which is the most important component to replace when doing these upgrades?

a. Processor

Justin has just purchased a new Android smartphone. He was told that to use the phone, he would be required to set up an account. What do you think Justin will be required to do next?

a. Set up a Google Account.

Your organization provides technical services, and you've been asked to perform upgrades to desktop computers. At a particular office location, your task is to upgrade the processors. What part or feature of the processor connects to the motherboard?

a. Socket

A technician apprentice updated the graphics card on a customer's computer, but now the computer will not boot up. The apprentice asks the lead computer technician for advice on troubleshooting the issue. What solution should the lead technician suggest for this issue?

a. Test the PCIe card in a different computer

Jewel was experiencing some overheating and decided to install the Cooler Master Hyper 212 EVO assembly. After replacing the processor and cooler, she notices that the computer is still overheating. What theory explains why overheating persists?

a. The cooler bent the motherboard & is causing malfunction.

Reggie receives a phone call from a computer user at his company who says that his computer would not turn on this morning. After asking questions, Reggie realizes that the computer seems to turn on because the user can hear fans spinning and the indicator light comes on and flashes during the boot. The Num Lock key is on, but there is no video on the monitor. Reggie also learns that the computer has a new video card. The computer was working fine the night before, according to the user. Next, Reggie tests the video cable and the monitor. Finally, when Reggie reattaches the video cable to the video card port, the computer appears to be working. Can you explain what might have caused this problem?

a. The integrated video has become unseated.

You are in the middle of restarting your computer when the power goes out in the building. When the power is restored, your computer will not restart. When you push the button to turn on the computer, nothing happens. You do not have video on your monitor, but the monitor will turn on. You also notice that you don't hear fans spinning, and no indicator lights appear on your computer. You observe that the monitor is on the same power strip as your computer. Can you explain what might have caused this problem?

a. The power supply has been damaged.

Jerome is working on a hardware problem with his computer. He has determined that the problem is with either the video card or the HDMI cable connecting the video card to the monitor. Jerome has both an HDMI cable and a video card that he can use to fix the problem. What would be the problem with Jerome replacing the video card first?

a. This is a more invasive approach than replacing the HDMI cable

Tiffani, a hardware technician, has just begun investigating a computer whose owner has reported overheating. What approach should Tiffani use to troubleshoot this issue?

a. Tiffani should first check the function of fans and heat sinks, then check the BIOS fan status and temperature

Molly, a support technician, is having difficulty determining which port on the patch panel is connected to the keystone jack in each work area. Unfortunately, the cable installers did not label any of the cable runs. Which of the following network tools will best assist the technician in this situation?

a. Tone generator and probe

A system's performance is automatically doubled when you use two microprocessors.

a. false

A technician needs to connect to and control a remote computer using remote desktop protocol. Which of the following ports will be used for this remote desktop session?

b. 3389

Which of the following describes a UTM Appliance?

b. A system that monitors, detects, logs, alerts, and blocks security events.

Angelo, a computer repair technician, is working on a laptop with a complaint of issues with the touch pad. He determined that the touch pad was failing and must be replaced by opening the laptop case. Angelo has laid out the following tools to work on the laptop: Multimeter, AC outlet tester, Power supply tester, ESD strap, and Needle-nose pliers. Which tool is mandatory in repairing the laptop?

b. An ESD strap is mandatory to prevent electrical damage to components inside a laptop once the keyboard is removed.

You are assisting a fellow technician in a situation in which the client states a Windows 11 computer is experiencing limited connectivity messages when accessing the company's WLAN. Which of the following steps would you advise the technician to perform first?

b. Determine the scope of the problem and document symptoms.

Working with ports to connect devices is a common interconnection point for various devices you might need to use. What is a technology that is slowly replacing VGA ports on PCs?

b. DisplayPort

The delivery of data communications using TCP protocols favor speed rather than guaranteeing message receipt?

b. False

George is hired by a client to build a new computer. After researching the parts needed and verifying their compatibility, George orders the parts and builds the computer. When the build is completed, George boots up the computer to test the system and ensure that everything is properly installed and configured. The computer passes POST without an issue. George decides that the next step is to install Windows 11 on the system. During the installation, he receives several errors. After he researches the errors, he discovers that the motherboard is not compatible with Windows 11. What should George try first to fix the problem with the motherboard?

b. Flash the UEFI/BIOS.

John has just installed a new game on his computer. He has two hard drives and wants to store the data files for the game on the second hard drive. When he tries to save the data, he hears a loud clicking noise, and now the hard drive does not appear in File Explorer. What might be the problem with John's computer?

b. Hard Drive

Derek has asked you to install a new Wi-Fi card on his laptop. To accomplish the task, you must disconnect and reconnect two wires, a black wire and a white wire. These wires are the antennas for the Wi-Fi card. Where do these cables run inside the laptop?

b. Inside the LCD panel

Quentin is working to upgrade the dynamic RAM memory on a device to increase its performance. He wants to use the motherboard with DDR3 to triple channel the RAM. When he opens the computer, he notices that four RAM slots are available. What approach should Quentin use to achieve triple channel enhancement with four slots available?

b. Install RAM in the three slots with the same color scheme.

Aidan upgraded to a new video card on his computer. He installed the card and attached the power cable from the power supply. When he turned on the machine for the first time, everything seemed to be working fine. Then his computer started to whine and shut down. What preventive actions can Aidan take to avoid future problems?

b. Install a new power supply with more wattage.

Technology is constantly advancing, so administrators need to stay abreast of those updates. What component is referred to as the Next Generation Form Factor?

b. M.2 Connector

The choice you make when deciding on a form factor can affect the motherboard, power supply and other internal components in the computer case. You are building a new system and want it to be a cost-effective PC that can be used for gaming, while being sturdy and compact to fit easily in your work/gaming-space. The form factor should be Choose the appropriate form factor for this new computer build?

b. Micro-ATX

Karen is comparing diverse types of IoT devices, including the wireless network protocol she uses. She is interested in wireless technology that uses the 13.56 MHz radio frequency with a range up to 10m. What technology will Karen decide to use?

b. NFC

Jessica recently started looking to upgrade her computer and has decided that she wants to use her current motherboard and purchase new RAM for her computer. She has done all the research and has determined that her motherboard can hold 16GB of RAM and has four slots. She has two DDR3 DIMM modules that are labeled 1600 MHz. When she visits the website to purchase them, she does not find 1600 MHz modules, only PC ratings for modules. Which RAM should Jessica purchase to use a quad channel on her motherboard?

b. PC3 12800

You have installed a VDSL Internet connection for a customer as shown in the exhibit. Which of the following connectors is most likely used on "Cable A"?

b. RJ-45

Elliott brought his laptop to you to diagnose his 'screen issues.' While interviewing him, Elliott describes an instance where the entire screen displaying weird colors as well as an instance when the screen froze. How should Elliott resolve this issue?

b. Replace the Mini PCIe video card

Bryson sees a strange image on his desktop monitor. The image appears to be a faint impression of his favorite video game landing page. What might cause this kind of image on Bryson's monitor?

b. Screen Burn-In

Data Security is an increasingly important consideration for many organizations. While researching security options, you learn about a device or tool designed to deny access to data when a stolen hard drive is installed on another device. Which of the following provides this security measure?

b. TPM (Trusted Platform Module)

Your friend has asked for your help in upgrading their computer's processor. Their computer's current configuration has an FM2 motherboard, an LGA2011 processor socket, DDR3 memory, and more. He purchased an FM2+ AMD processor to replace the existing FM2 AMD processor. What would be the result when he attempts to assemble the computer?

b. The new processor isn't compatible with the motherboard's form factor and will not fit.

Idris, a technician, received an escalated trouble ticket for a laptop that required the replacement of the internal speakers. When Idris arrived and inspected the laptop, they found that the external plastic covers and keyboard bezel, removed by the previous technician, were scratched, cracked, and not fitting together properly. After interviewing the laptop's user, Idris confirmed that the laptop covers were fitting properly prior to the initial disassembly by the previous technician. Which of the following is the most likely reason for this issue?

b. The previous technician was not careful when prying the plastic case apart.

You are troubleshooting a mobile device that is experiencing sluggish response times and slow data speeds. You suspect the existence of malware. How would you go about removing malware? Which of the following steps should you take first?

b. Uninstall the offending app.

A user is having difficulty getting a laptop to display through a projector. During the troubleshooting process, it was verified that the built-in display is working properly. What do you think would be the next step to diagnose and resolve the projector display issue?

b. Use the laptop's function key to toggle display output to external video.

It is important to choose the best power supply connector for our device. The 20+4 P1 power connector is the main motherboard connector used today and follows the ATX Version 2.2 standard, which allows more power to the motherboard. Do you know of another instance where you would choose a 20+4 P1 power connector?

b. Use this connector, when you have a 24 Pin Socket.

Kaylen has been working on his computer and notices that the screen seems to be flickering. The monitor is not turning on and off, and the monitor indicator light stays on. The monitor does not turn off when the screen flickers. What is the most likely source of the problem?

b. Video cable is loose.

The port pictured below is located on the back of your computer. What is the name of this integrated port?

b. eSATA

Sushana is working on a school computer project to determine the reason a device won't boot up. While investigating, she could hear the fans spinning, but the other components did not power up. Sushana asks her teacher for help. What should the teacher recommend?

c. Check the power supply and that the connectors are securely connected

You are connecting a computer for a SOHO network client that uses cable broadband Internet service. The cable company has tested and verified that the Internet connection is functioning properly. Which of the following will be a part of the configuration of the SOHO router?

c. Connect the computer to the SOHO network using an Ethernet cable.

Double Data Rate Synchronous Dynamic RAM (DDR SDRAM) are equipped with technology that enables processing of two read and two write instructions per clock cycle. How do DDR2 systems compare to DDR4 systems?

c. DDR4 systems exhibit improved performance and advanced signal processing

Consider the output below. Identify the method used to assign IPv4 TCP/IP parameters to the workstation in the example above.

c. DHCPv6

Which step in the laser printer process is responsible for changing the charge on the image drum to match the page image?

c. Exposing

You need to use a map app to find directions to your destination; however, the smartphone you're using will not show your current location. What smartphone feature should be enabled so the app can find your phone's current location?

c. GPS

Brandon returned from a two-week business trip. The first time he turned on his computer, during the boot sequence, he received a S.M.A.R.T. (self-monitoring, analysis, and reporting technology) error during POST. Why did this error appear?

c. Hard drive is failing and will need to be replaced soon.

Which of the following technologies creates and manages one or more virtual machines, each equipped with virtual hardware rather than a physical computer?

c. Hypervisor

Yesterday Hunter's laptop screen appeared to go black. The laptop was powered on and running, but he could not see any graphics on the screen. Hunter connected the system to a standalone monitor, and the laptop's screen appeared on the monitor. Now the desktop icons appear very dimly on the laptop screen. What should Hunter replace on the laptop to fix his screen?

c. Inverter

Sami's client is a large corporation that has recently purchased and dispersed 350 new tablets to its sales group for use during all international business activities. Which aspect of device management will Sami likely integrate as a result?

c. MDM

Which of the following is a twisted pair cable that is capable of gigabit-ethernet speeds and can be installed in ceiling cavities?

c. PVC-rated CAT-6

You received a call from a cashier at a retail store who cannot get a receipt to print for a waiting customer. While interviewing the cashier, you determine that the receipt printer acts like it is printing and then ejects the receipt. However, no print is showing. The cashier mentions they replaced the paper roll just prior to the current transaction. Which of the following should be checked first?

c. Paper is installed incorrectly.

Which of the following are most likely configured to restrict employee access to web content that is not work-related?

c. Proxy server

Hanna is having a problem with a key sticking on her laptop's keyboard. She began by using technology cleansing wipes, then compressed air, but the key is still sticking. What do you think Hanna should do next?

c. Replace the Keyboard

Peg has decided to replace her computer's magnetic hard drive with a new solid-state drive (SSD). As she prepares to begin the installation, she considers the best interface to use. The computer currently uses the SATA interface. Which of the following statements best describes what she found in her research?

c. The NVMe interface uses the PCIe x4 interface, enabling a higher transfer rate, and is the best option.

Freddie is an aspiring graphic novelist and has designed numerous colorful storyboards. She recently installed a high-speed local printer that she will be using to print all 238 pages of these high-definition graphics. Which of the following drivers will be included in the printer's configuration?

c. The drivers from the CD bundled with the printer will work well.

Athena, a Computer Science student, is attempting to create a virtual machine (VM) on her workstation, which is running Windows 11. While attempting to create the VM, the software is giving a low memory warning error message. What problem do you think Athena is experiencing?

c. The pagefile.sys is too small for the installed RAM.

Michael was troubleshooting his client's computer and determined that the power supply was not working properly. He has ordered a new one and expects it to arrive within two days. What conclusion can you draw as to what Michael discovered in the troubleshooting process?

c. The power supply tester screen didn't light up during testing, indicating the power supply functioned improperly

Micah prefers to use an external USB mouse on his laptop computer. However, while he is typing, he can see the mouse cursor moving erratically on the screen. This symptom continues even when the external mouse is disconnected from the USB port. Micah wants to resolve this erratic cursor movement while still being able to use the external mouse and touch pad. What change can Micah make as the best next step toward resolving this issue?

c. Turn off the touch pad using the appropriate Fn key combination.

Knowing the various protocols and rules for communication between devices can be an important part of the knowledge that any administrator can work with. What is the component that offers Secure Boot?

c. UEFI (Unified Extensible Firmware Interface)

Your company has decided it wants to build a file server and store data that can be shared by coworkers. Your team was asked to research the type of storage that should be used on the server. The objective is to implement RAID on the computer, and your team must suggest the best RAID type for the company. The desired RAID should have at least 500 TB of storage and be cost-effective. It is also important that if a drive fails, the data can be recovered. One of your team members suggested using RAID 10. What other suggestion can you make to meet all the requirements?

c. You agree. RAID 10 is the best option.

Which of the following IPv4 configuration methods will most likely result in a workstation having an IP address range of 169.254.x.y?

d. APIPA

Understanding the various types of computing devices and their related components is important as you work to maintain, upgrade, or build a device. How are the PCI Slot and USB Port components related?

d. Both components are connected directly to the motherboard

What setting needs to be in place to allow Computer C to print to the Local Printer?

d. Computer A must share the Local printer through its network connection.

Ben, an employee of a computer repair company, completes the troubleshooting process on a client's computer. Ben verified that the computer was functioning properly and reloaded all the data from the backup he had performed. What step should Ben complete next?

d. Document his findings.

Marina is replacing her computer's CD-R optical drive with one that has DVD-RW capabilities. When she reboots the computer after installing the disk, she notices that it does not seem to have the required drivers installed. She checks the manufacturer's website and reads that the optical drive is equipped with its own embedded drivers.

d. First, check the SATA power connector, then check the Device Manager for installation errors.

Which connector is used on most computers and televisions to transmit digital video and audio?

d. HDMI connector

A company wants to create prototypes for manufacturing to test before they begin production. Which of the following supplies are needed for the 3D printers?

d. Plastic filament

Your company experiences steep spikes in required storage space at the end of each month when the sales database is tasked with running sales reports. Fortunately, the database service and storage were moved off local servers and are now hosted in the cloud. The company's cloud administrator has configured the hosted service to scale up available storage space automatically when the database needs it. The hosted service can also scale down storage space when the reporting is finished. Which of the following cloud computing features provides scaling of storage?

d. Rapid elasticity

David is repairing a desktop that has begun to overheat. Upon inspection, he found that the CPU cooling fan has a buildup of dust blocking air flow. David corrected this issue and the fan is now working properly, but after long periods of use overheating still occurs. Which factors would you change to resolve this issue?

d. Remove the fan assembly again and clean it with compressed air.

You have decided to upgrade your computer's hard drive. To achieve the best performance, you also decide to purchase a new cable to ensure the fastest internal connection possible for the new hard drive. What kind of data cable should you purchase?

d. SATA

You notice that your computer is slow to boot. Based on what you know, how would you explain the possible reason for the change in boot speed?

d. The BIOS/UEFI is not setup properly & needs to be refreshed.

A mobile device user is experiencing a faster-than-normal battery drain after connecting to a public Wi-Fi hotspot a few days ago. Which of the following could be a reason for the fast battery drain?

d. The mobile device is infected with malware.

Protecting yourself and the equipment is essential for having a positive experience when working inside a computer. Some technicians use an ESD mat as protection equipment. What is the function of an ESD mat?

d. To allow any electrostatic discharge to be safely dissipated when completing hardware maintenance.

Angie needs to move data from her home computer to a work computer. Her company will not allow her to connect to her OneDrive at work, and she has no access to her network drive at home. Which storage device is the best option for transferring the data?

d. USB flash drive