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COMPTIA A+ CORE 1 (220-1101) PRACTICE TEST 1, Exams of Advanced Education

University of WitwatersrandAdvanced Education

COMPTIA A+ CORE 1 (220-1101) PRACTICE TEST 1

Typology: Exams

2024/2025

Available from 01/04/2025

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COMPTIA A+ CORE 1 (220-1101) PRACTICE TEST 1
You are replacing your old 802.11b wireless router with a new 802.11g wireless router.
You have just changed the SSID, you enabled WPA2, and finally, you set a passphrase
for the level of encryption chosen. What should you do NEXT? - Change the
administrator password
What is the correct boot sequence for a PC? - Power Good, CPU, POST, boot loader,
operating system
Hubs, by definition, broadcast every packet they receive out to all of their connected
ports, causing occasional data collisions. Which device eliminates data collisions by not
broadcasting to every port? - Switch
The technician is dispatched to look at a user's laptop. The user reports the system
shuts down after 30 minutes of field use. The technician notices the battery is not fully
charging. Which of the following should the technician perform to resolve this? -
Replace the Battery
Because she remembers you talking about your organization replacing its in-house
support ticketing system with a monthly per-user subscription the company pays for,
your friend Shirali messages to ask how it is working out. Which of the following best
describes this subscription? - SaaS
A printer usually plugs into which of the following ports? - USB
You run the IPCONFIG command and your computer says you have the IP address
191.168.1.100. What class is your IP address in? - Class B
A user has just dropped off his laptop reporting that the screen is very dim and it's
difficult to make out the icons on the desktop. When you plug in an external monitor to
the system, it brings up the desktop perfectly. Which of the following needs to be
replaced? - The LCD inverter
Which of the following best describes the shared resources that cloud providers make
available to their customers on demand? - A collection of resources supplied by many
individual physical systems
A user reports that her desktop PC shuts down 10 minutes after turning it on in the
morning. When the technician moves the PC, it sounds like there are loose parts sliding
around in the case. Which of the following is the most likely explanation for the PC
shutting down? - the heat sink retaining clip has broken loose
Which program is the best choice to use to clear the SSL cache? - Internet Explorer
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COMPTIA A+ CORE 1 (220-1101) PRACTICE TEST 1

You are replacing your old 802.11b wireless router with a new 802.11g wireless router. You have just changed the SSID, you enabled WPA2, and finally, you set a passphrase for the level of encryption chosen. What should you do NEXT? - Change the administrator password What is the correct boot sequence for a PC? - Power Good, CPU, POST, boot loader, operating system Hubs, by definition, broadcast every packet they receive out to all of their connected ports, causing occasional data collisions. Which device eliminates data collisions by not broadcasting to every port? - Switch The technician is dispatched to look at a user's laptop. The user reports the system shuts down after 30 minutes of field use. The technician notices the battery is not fully charging. Which of the following should the technician perform to resolve this? - Replace the Battery Because she remembers you talking about your organization replacing its in-house support ticketing system with a monthly per-user subscription the company pays for, your friend Shirali messages to ask how it is working out. Which of the following best describes this subscription? - SaaS A printer usually plugs into which of the following ports? - USB You run the IPCONFIG command and your computer says you have the IP address 191.168.1.100. What class is your IP address in? - Class B A user has just dropped off his laptop reporting that the screen is very dim and it's difficult to make out the icons on the desktop. When you plug in an external monitor to the system, it brings up the desktop perfectly. Which of the following needs to be replaced? - The LCD inverter Which of the following best describes the shared resources that cloud providers make available to their customers on demand? - A collection of resources supplied by many individual physical systems A user reports that her desktop PC shuts down 10 minutes after turning it on in the morning. When the technician moves the PC, it sounds like there are loose parts sliding around in the case. Which of the following is the most likely explanation for the PC shutting down? - the heat sink retaining clip has broken loose Which program is the best choice to use to clear the SSL cache? - Internet Explorer

While any form of electronic communication suffers from some amount of latency, which of the following technologies is particularly notorious for this problem? - Satellite Kenneth has an 802.11n network. He only wants his three computers in the house to be able to access this network. Which of the following technologies would best enable him to do this? - MAC Filtering Which of the following cloud characteristics gives cloud customers the incentive to release resources they aren't actively using? - metered utilization HTTPS differs from HTTP in that the traffic is ______ and it uses port number ____. - Encrypted, 443 A technician is working on a PC and notices the error message "CMOS BATTERY LOW." Exercising best practices, what should he do next? - Replace the battery with a CR- A technician is working on an issue and has identified the problem and worked out the cause. Which of the following would most likely be the next step the technician should make? - establish a plan of action You are repairing a PC that won't boot after you just replaced its PSU. What should you check next? - GPU and motherboard You are troubleshooting a desktop computer. You have just removed every component, except for the bare essentials, but the computer still won't boot up. When you turn on the computer, all you receive from the system is a repetitive series of beeps. Which of the following is MOST likely the problem? - the memory the term for fire-resistant UTP cable? - Plenum Which kind of cloud service model best enables a small team of developers with no server administrators to develop and maintain a Web application? - PaaS Which type of memory module has 200 pins? - SO-DIMM Which of the following devices is probably the safest and easiest to hot-swap on a PC?

  • A USB camera What do you plug into a three-row, 15-pin port? - a VGA monitor You are working on a laptop with an LCD screen that has dead pixels. What is the best way to get rid of them? - Replace the LCD panel

You are troubleshooting a user's computer with a recently-upgraded video card which now just reboots at random times. You ask the user to keep track of when they notice the reboots happening. After a day, the user reports that it happens when they start up a game or when they start streaming HD video. What is causing these random restarts?

  • the video card needs a more powerful power supply Which end of the USB cable plugs into the PC? - A The accelerometer in a mobile device makes which of the following possible? - Automatic rotation of the screen when its flipped game controller input You turn on your computer and you get a "Date and Time Not Set" message on the screen immediately after the manufacturer's logo. What is the most likely cause of this message? - the CR-2032 Battery needs to be replaced Jose is upgrading the memory on his laptop. The laptop has two slots for RAM, but one of them is currently being occupied. He has checked the qualified vendor list to ensure compatibility. After installing the new stick of RAM, the BIOS reports the original amount of memory. What should Jose do NEXT? - reseat the new stick of RAM You have an iOS device that you just recently purchased. Select two ways that you can syncronize your device with your computer. - USB Wi-Fi Taryn needs to make a list of what her company will need to set up an on-premises VDI system to pilot desktop virtualization for all 21 Windows users in the accounting department. Which of the following is least likely to be on her list? - 3 new full-height equipment racks and 21 rails for mounting the users' existing desktop PCs in the new racks. You have just assembled your first PC. You hit the power button and the computer turns on. As the computer runs through POST, it starts beeping multiple times and you don't see anything displayed on the LCD. You notice there are no activity lights flashing for the HDD. However, when you check the inside of the computer, you can hear the drive spinning up. What is the NEXT thing you are going to check in order to get the PC functioning? - reseat your RAM The term Fully Qualified Domain Name (FQDN) is associated with which of the following? - DNS What connector was designed to connect your PC to a high-end television set? - HDMI In a coffee shop, you overhear someone at the table behind you talking about a big project they're working on to migrate all of the workloads currently handled by their

company's data centers to the cloud. What kind of service model are they most likely to use? - Infrastructure as a service Garol has been asked to work with one of her company's developers to set up an in- house test server that, as closely as possible, mirrors the environment the app is deployed in. When she asks the developer what kind of database the app uses and what sort of server hosts it, he says it doesn't quite work like that. He describes how the app's host automatically manages the database for them, leaving the developers free to focus on the app itself. What kind of cloud service model is the developer most likely describing? - Platform as a service While investigating a 4-year-old PC that is taking an unusually long time to boot, a technician discovers that the BIOS is rediscovering the hardware system at every boot. What should the technician do to resolve the problem? - change out the CMOS battery on the motherboard Rhonda's Café wants to install a wireless network for customers to use. Which standard would enable the customers to enjoy the most bandwidth? - 802.11n What use does the function (Fn) key on a keyboard serve? - provides additional keyboard capabilities Which of the following is least likely to be a reason a company would choose to use a hybrid cloud setup? - to be prepared to move their services to a different well-known cloud provider if they don't like a pricing or policy change. Robert wants to have an Internet connection that will give him the lowest latency when viewing streaming videos. Which of these options should he choose LAST? - Satellite Kenny and Kyle share a Windows system. Kenny installs a locally attached printer and makes Kyle a member of the Print Operator group. Kyle logs out and Kenny logs in. He opens a text file in Notepad and tries to print. Instead of printing on the printer, a dialog box opens asking for a filename. What's wrong? - Kyle needs to set his default printer to the new printer instead of the virtual XPS document writer The finish line at a charity run needs to quickly and cheaply network two laptops using their built-in Ethernet ports. Of the following, which is the best way to do this? - connect the two laptops using a crossover cable. Which of the following wireless standards uses MIMO? - 802.11n Jim, a user, states that his inkjet printer is not printing as clearly as when he first purchased it. What should you do first to rectify this issue? - calibrate the printer Taylor wants to sync her new Android phone with her desktop PC. Which will give her the quickest and most reliable results? - USB 2.

Which of the following is the test we use to verify a NIC is sending and receiving packets correctly? - Loopback Today's portable computers invariably use which of the following battery technologies? - Lithium Ion (Li-Ion) You just upgraded the RAM on your older PC at home. When you boot up the computer, it doesn't recognize the new memory even though it was on the Qualified Vendor's List (QVL) on the manufacturer's website. What are you going to need to do to solve this problem? - Flash your BIOS Jim wants to create a secure connection with a remote host. Which of the following would you recommend that he use? - SSH In which of the following situations is a registration procedure often required on a color printer? - after moving the printer How many pins does a DDR2 DIMM have? - 240 What does the "chassis intrusion detection" BIOS option do? - it logs that the chassis (case) has been opened On a CPU, which of the following cache levels is the smallest? - L Which port does SSH use? - 22 A customer calls you and states that her laptop screen is very dim. In order to avoid going to the client's site, which of the following is the first action you should recommend to the customer to perform? - Use the function keys A technician troubleshoots a broken PC only to find that a strong burning odor is coming from inside the case. Which of the following parts most likely experienced a level of electrical burn? - PSU What voltages does an ATX12V P1 connector provide for the motherboard? - 3.3 V, 5 V, 12 V Which of the following is a proper name for a stick of RAM? - DIMM Paul has just finished landing a major order. He needs to get this order to the main office over a thousand miles away. This order is massive and contains a tremendous amount of highly sensitive data. What's the best way for him to send this data? - VPN Many mobile devices are Bluetooth-enabled. In order to use a Bluetooth device, it must be ______ to the mobile device. - Paired

What does registration do for color laser printers? - realigns each color to make a focused image If a technician has just replaced a laptop's motherboard due to video issues, what should he do first if the speakers stop working? - check the speakers' connection to the motherboard What is the first step you should take when replacing a network printer? - notify all users before unplugging the printer Which of the following Internet services would you LEAST likely use with VoIP? - Satelite A user is having a difficult time printing certain types of documents to her laser printer. When she sends complex, mult-page, multi-color PDF files to the printer, it refuses to print. What is most likely the solution? - Add more RAM to the laser printer How would you define an accelerometer? - it measures the velocity of the device