Comptia A+ Practice Test 1 Mobile Devices

You are upgrading a laptop with a Mini PCIe card. What type of connector does Mini PCIe use?

A. 52-pin b. 68-pin c. 144-pin d. 200-pin

What types of networking will smart cameras often have built into them?(Choose two)

A. Bluetooth b. IrDA c. RJ-45 D. Wi-Fi

You are purchasing a mobile device that allows you to use multi-finger gestures to interact with the device. What type of touchscreen technology does this device most likely use?

A. Capacitive b. Infrared c. SAW d. Resistive

You're the IT manager for a manufacturing company. One of the corporate executives is questioning why your buying serial instead of parallel devices. You explain that serial transmits only one bit of information at a time, but it does so very fast compared to parallel. Which of the following will you tell them is not a serial connection?

A. Centronics b. Thunderbolt c. Lightning d. USB-C

Which mobile device component can take input from a stylus or your finger, depending on the sensor type, and convert it into an image on the laptop or other mobile device?

A. Digitizer b. Touchpad c. Point stick d. Inverter

Which type of mobile device is known for using electrophoretic ink?

A. E-reader b. Smart watch c. Smart glasses d. Tablet

You are configuring the mail app on an iPhone to use an Outlook.com email address. What configuration information do you need to enter to establish connectivity?

A. Email address and password b. Email address, password, and server name c. Email address, password, server name, and mail protocol d. Email address, password, server name or IP address, and mail protocol

You're going hiking this weekend in unfamiliar territory and have installed an app on your phone that shows you where you are on the map in relation to the trails and surrounding areas. What two types of location technology might this app use? (Choose two)

A. GPS b. MDM C. Cellular location services d. RFID

The owner of a company that solely provides transportation from the airport to various hotels wants to employ a software that will tell them where every vehicle is at all times. All of the vehicles use satellite-based navigation systems. What technology is most likely being used to track where they are?

A. GPS b. Mobile Device Management (MDM) c. Cellular location services d. Mobile Application Management (MAM)

What three components of a mobile display are often connected in such a way that if one fails, you must replace the other two with it? (Choose three)

A. Glass cover B. LCD c. Wi-Fi antenna D. Digitizer

Which mobile connection type allows you to share your cellular Internet connection with a Wi-Fi enabled device?

A. Hotspot b. NFC c. Bluetooth d. IrDA

You're configuring company email on a coworker's phone. The company needs to keep a copy of every email on their server, even after it's accessed by the user. Which mail protocol keeps all the emails stored on the server, allowing messages to be synchronized between multiple devices?

A. IMAP b. SMTP c. POP3 d. S/MIME

Tech support has recommended that you update the OS on your iPad to resolve a problem you're having with it. What OS will you be updating?

A. IPadOS b. OS X mobile c. watchOS d. iOS

Your coworker wants to be able to use maps with their phone but is unhappy that other applications are also tracking their physical location. They ask for your help. Which of the following is not true?

A. If location services are turned off for one purpose, they are turned off for all services b. When you're installing an app, most likely it will ask you when it is allowed to use location services c. Some apps won't work without location services d. You can turn location services on or off for apps in the settings of your device

Which of the following display types refers not to how the liquid crystals are arranged, but rather to the type of backlight being used?

A. LED b. OLED c. IPS d. TN

A technician needs to replace a hard drive that failed in their new laptop. What type of drive will they likely need? (Choose two)

A. M.2 B. mSATA c. 2.5^2 d. 3.5^2

The executives at your company are concerned about employees using their personal devices for work. They worry that some may leave and take proprietary information with them. You calm their fears by telling them that there are settings in place that protect company data that is accessed by employees. What are those settings called? (Choose two)

A. MDM B. MAM c. GSM d. CDMA

Your friend wants to be able to use their phone to pay for purchases at a popular coffee shop. They noticed that the phone needs to be about 4" from the coffee shop's reader. What radio wave communication type do you need to configure for your friend?

A. NFC b. Wi-Fi c. IrDA d. Bluetooth

Which of the following is not a type of LCD?

A. OLED b. IPS c. TN d. VA

Your boss has asked you to maximize the RAM in their laptop. You check the specifications and discover that the maximum system RAM is 32 GB of DDR4 RAM. The laptop currently has 16GB onboard RAM and one empty slot. Which of the following RAM modules will you purchase?

A. One 16GB SODIMM b. One 32GB SODIMM c. One 16GB DIMM d. One 32GB DIMM

What type of update is done to mobile devices over the air?

A. PRI and PRL b. IMEM c. Screen resolution d. IMSI

The AC adapter for your laptop is not working properly, and you are searching for a replacement. Which two factors should be most important when selecting a new AC adapter? (Choose two)

A. Polarity B. Same wattage as the original c. Brand of the adapter d. Size of the adapter

What is the likely type of Wi-Fi antenna connector you will find as an external connector on a laptop?

A. SMA-female-RP b. N-male c. SMA-male-RP d. N-female

You need to replace a failed SATA hard drive on a 10-year-old laptop. The user has asked that the new drive be as fast as possible, regardless of disk space or cost. What type of drive should you install?

A. SSD b. Magnetic c. Hybrid d. NVMe

What technology lets you minimize how often a user must log in for multiple services?

A. SSO b. SMTP c. Synchronization d. Nonrepudiation

You've been asked by the company president what can be done with NFC in addition to paying for coffee. What will you tell them? (Choose three)

A. Securely share data with someone you're having lunch with b. Beam data to someone 10 feet away C. Transfer files, photos, and videos D. Add information or URLs to business cards, making it easier for customers to learn about your products or services

What best practice can save someone from losing the data such as calendar entries and contacts on their mobile device if the device is lost?

A. Synchronization b. VPN c. Encryption d. Updating

When two parents wish to share appointment dates and times between devices, what is their best option?

A. Synchronize calendars b. Sharing calendar passwords c. Texting calendar data to each other d. Emailing calendar invites to each other

A coworker is having a problem with their laptop and has asked you to fix it. When an external keyboard is plugged in, the laptop works just fine, but without it strange characters appear on the screen when typing. Which of the following are likely causes? (Choose two)

A. The driver is corrupted and needs to be updated/replaced B. The ribbon cable is partially disconnected and needs to be reseated c. The laptop needs to be replaced d. There is debris under the keys

What port looks identical to a Thunderbolt 3 connector but will not charge a connected device as quickly?

A. USB-C b. miniUSB c. USB A d. microUSB

You have been asked to purchase a new camera for the company photographer. Some of the cameras are marketed as "smart" cameras. What key feature does this likely mean the camera includes?

A. Wi-Fi b. RJ-45 c. Separate video processor d. Internal hard drive

A technician needs to replace a failed laptop hard drive. Which of the following form factors could it use?

a. 1.3" b. 2.0" C. 2.5" d. 3.5"

Your company is producing posters for an upcoming public relations campaign. The project leader wants to embed information into an NFC Type 4 tag in the poster. How much information can this tag hold?

a. 16KB B. 32KB c. 1.4MB d. 2.4MB

You are on the phone talking to a technician who is trying to upgrade a laptop. The technician is having trouble identifying the Mini PCIe card. How wide should you tell the technician that the card is?

a. 27mm B. 30mm c. 51mm d. 60mm

Which cellular communication technology is known as Long-Term Evolution (LTE)?

a. 2G b. 3G C. 4G d. 5G

Your new laptop has 4 GB system RAM and an integrated video card. The default setting specifies 512 MB of video memory. How much RAM is available for the processor to use?

a. 4 GB B. 3.5 GB c. 3 GB d. It's variable

Your significant other just purchased a new car and wants you to configure their cell phone to work through the car using voice commands. You must initiate pairing on the phone and choose to search for pair devices on the car. What protocol is being used by the car and the device?

a. 802.11a b. Lightning C. Bluetooth d. Wi-Fi Enabled

You will be traveling to another country for work and will have a 10-hour airplane flight. You need to work on your laptop while on the flight, but your battery won't last that long. What should you buy to allow you to use the auxiliary power outlets on the airplane?

a. AC adapter B. DC adapter c. Power inverter d. Docking station

What configuration settings are commonly used when setting up email from an online provider on a device?

a. Active Directory domain name b. Port and TLS settings c. Email server name D. Username and password

Tablet computers feature touchscreens that are approximately what size?

a. Between 5" and 7" b. Between 3" and 5" C. Between 7" and 12" d. Between 12" and 24"

You are wearing your smart watch, which allows you to make payments like a credit card. What type of connection technology does this service use?

a. Bluetooth B. NFC c. Wi-Fi d . IR

What component or characteristic on most mobile phones has its ability measured in megapixels?

a. Brightness b. Contrast C. Camera d. Digitizer

Which two components of a laptop or other mobile device are the most useful when making a videoconference call? (Choose two)

a. Digitizer B. Webcam C. Microphone/speaker d. Inverter

A user needs ports for external devices in addition to what their laptop is capable of connecting. The user would like these devices to have connectivity with each other whether or not the laptop is there. Which of the following will provide that option?

a. Docking station B. Port replicator c. KVM switch d. Docking port

You want to play video games on your tablet computer. Which accessory would you purchase if you wanted to play the game much like you would on a gaming console?

a. Docking station b. Touch pad c. Point stick D. Game pad

You often work remotely, in your favorite coffee shop. What device can you use to physically protect your laptop from theft if you step away from the table for a minute?

a. Docking station b. Protective cover C. Cable lock d. LoJack

A user wants a list of favorite websites to be readily available between multiple devices, including their mobile device. What is the best option?

a. Email weblinks to self b. Send links to a URL shortening service C. Synchronize bookmarks d. Print web URLs to carry

You're installing Bluetooth speakers in a conference room and just entered the pin to connect the two devices. What is your next step?

a. Enable pairing b. Search for the Bluetooth device c. Enable Bluetooth D. Test connectivity

After enabling your device for communication using the IEEE 802.15.1 standard, what is the next step?

a. Enter the PIN b. Find a device for pairing C. Enable pairing d. Open port 802.15.1

A coworker just started working with their new laptop yesterday, and today they're complaining that the trackpad won't work. You suspect that they accidentally turned it off. What key or key combination will remedy the problem?

a. Fn and F8 B. Fn and F9 c. F7 d. F9

A warehouse manager at a factory is required to supervise productivity while walking around and taking notes. They find their laptop awkward to type one while walking but do not want to use two devices. What would you recommend they do?

a. Get a small tablet to synchronize with the laptop b. Place accessible workstations throughout the factory C. Get a laptop with a rotating or removable screen d. Get a smaller laptop

What is the hosted messaging version of Microsoft's Exchange mail server that saves customers email off-site?

a. Google Inbox B. Exchange Online c. iExchange d. On-Prem Exchange

What type of connection are you using if you use a USB cable to connect your laptop to your cell phone in order to use the cellular wireless connection from the laptop?

a. Hotspot B. Tethering c. USB networking d. Phoning

Your boss has asked you to make sure that each of the company's laptops has a biometric scanner as an extra measure of security. Which of the following are biometric devices that are commonly found and can be configured on laptops? (Choose two)

a. ID card scanner B. Face ID C. Fingerprint reader d. Retina scanner

You're configuring private email on a coworker's cell phone. They want to make sure all of their mail will be only on their phone. Which mail protocol keeps all emails stored on a single device and can only be accessed from one device?

a. IMAP b. SMTP C. POP3 d. S/MIME

Which type of smartphone display has fewer layers, providing more flexibility, a better viewing angle, and excellent color as compared to other technologies?

a. IPS B. OLED c. LED d. TN

An artist in your company's marketing department just received the new drawing pad that they ordered. What might you need to do to configure it (Choose three)

a. Install an alternate operating system B. Plug the device into an appropriate port, likely USB C. Enable Windows Ink or other software settings D. Calibrate the device

You have recently purchased a laptop computer with a touchscreen. It allows you to draw images on the screen and save them on the computer. Which device is responsible for converting the input into the image that you see and save?

a. Inverter b. Touchpad C. Digitizer d. Touchscreen

A laptop user wants to have a full-sized displayed and keyboard, as well as an external hard drive, and speakers available to them at their desk. Which accessory can they purchase to avoid plugging each of these devices separately into their laptop every time they return to the desk? (Choose two)

a. KVM switch B. Port replicator c. Desktop station D. Docking station

Of the laptop LCD technologies, which consumes the least amount of power?

a. LED b. IPS C. TN d. VA

You are investigating new laptops for your company. You want the laptop displays to have a wide viewing angle. Which technology standard is best suited for your needs?

a. LED b. SVA C. IPS d. TN

What type of connector is used on Andriod smartphones? (Choose two)

a. Lightning b. Thunderbolt C. USB-C D. USB Micro-B

What Windows app is used to synchronize data between a user's mobile devices like smartphones and their desktop computers?

a. MSync B. ActiveSync c. SyncTime d. Timewarp

You have enabled the GPS service in your tablet. What is the minimum number of GPS satellites your tablet needs to be in contact with to determine its location?

a. One b. Two C. Three d. Four

You are responsible for replacement parts within your company's IT department. Because of the critical nature of your business, you need to have replacement parts on hand in the event of hardware failure. Your company uses four different types of laptops, two HP and two Dell. How many different types of motherboards do you most likely need to stock?

a. One b. Two c. Three D. Four

You're upgrading a user's laptop from 802.11n to 802.11ac. What port will you most likely use inside the laptop?

a. PCI b. PCIe C. Mini PCIe d. Mini PCIe x16

The Wi-Fi connection between your laptop and network has failed. Upon examining Device Manager you notice that the network card is not listed. You've reseated the card and it still isn't found in Device Manager, so you've decided to replace it. Which of the following card types will you likely need to purchase?

a. PCIe b. PCI C. M.2 d. PCMCIA

Which unique mobile number identifies you as a user and is coded into the SIM card if you're on a GSM network, or otherwise linked to your account, allowing you to transition from one phone to another?

a. PRI B. IMSI c. IMEI d. MAC

Which number that is a part of the GSM system is hard-coded into the phone and identifies your physical phone hardware to the cellular tower?

a. PRI b. IMSI C. IMEI d. MAC

You need to replace a failed hard drive in a user's laptop, and it's a model you are unfamiliar with. You look at the bottom of the laptop and see no obvious entrance points. Which component will you most likely need to remove to access the hard drive bay?

a. Plastics/frames b. Battery c. System board D. Keyboard

One of your coworkers has purchased an external Bluetooth trackpad to use with their tablet. They've turned to you, the company IT person, to install and configure it for them. What actions will you need to take? (Choose two)

a. Plug the device into a USB port b. Install drivers C. Put the device in pairing mode and open Bluetooth settings on the tablet, then tap the trackpad D. Go to Settings to configure speed and scrolling features

You've enabled Bluetooth on your new headset and your laptop and enabled pairing on both. They have discovered each other, so what is the typical next step?

a. Pressing and holding a Bluetooth button b. Entering the Bluetooth password C. Entering the Bluetooth PIN code d. Exiting out of any running Bluetooth applications

Your friend's iPhone 13 will no longer charge. They have tried replacing the charging block and cable with compatible ones and tested the wall outlet. What should be done next?

a. Purchase a new phone b. Purchase a new battery C. Take the phone to a repair shop d. Use a wireless charging pad

What type of display uses organic materials that themselves light up so that no backlight is needed, meaning true black and greater contrasts can be achieved?

a. QLED b. Mini-LED c. LED D. OLED

Your customer brought you a laptop with an internal battery that will no longer charge. You have told them that replacing the battery will be no problem at all. Which of the following will you need to do first?

a. Remove the back cover b. Remove the keyboard C. Disconnect the external power d. Disconnect the LCD panel

You're working as the IT support person at an accounting firm. One of the accountants dropped their keyboard, and the number 5 key is no longer there. This is a critical problem for an accountant. What is the most cost-effective way to get them up and running again?

a. Replace the laptop with a new one b. Replace the entire keyboard C. Replace the missing key d. Give them a desktop computer to use

A user is traveling to a country that employs content blocking technology on the cellular network. What would you suggest setting up to bypass the content blocking as well as keep the user's mobile browsing more private?

a. S/MIME b. PRL c. Baseband D. VPN

What type of device would use a Lightning connector to charge and transfer data?

a. Samsung smartphone b. Fitbit watch c. Intel based laptop D. Apple iPhone

Which display component is capable of discharging energy and causing sever injuries to technicians?

a. Screen b. Backlight C. Inverter d. LCD

Which of the following is not a type of two-factor authentication?

a. Sending an access code via text message b. Using an authenticator application c. Needing a password and physical security key D. Needing a username and password

You are using public Wi-FI hotspot and believe that someone is trying to hack into your laptop. Which laptop feature should you use to immediately turn off all wireless connections?

a. Silent mode b. Quiet mode C. Airplane mode d. Connectionless mode

Oculus, Samsung, and HTC are manufacturers of what specific type of wearable technology devices?

a. Smart glasses b. Smart headsets c. Smart watches D. VR/AR headsets

What type of wearable technology device is specifically designed to track a user's movements and heart rate and may include features such as GPS?

a. Smart watch B. Fitness monitor c. Smart glasses d. Smart headset

A friend is trying to install an update on their iPod, but they're receiving a message about insufficient space. They want to know if you can upgrade their storage. What will you tell them?

a. Sure, bring it over later b. Storage can't ne upgraded. You'll need to buy a new iPod C. Storage can't be upgraded, but you may be able to offload some apps you no longer use d. Just purchase more space on iCloud; it's the same thing

Which type of LCD has the best contrast, meaning the darkest black and lightest white?

a. TN b. IPS C. VA d. OLED

Your client is frustrated that their Bluetooth earpiece that was working yesterday is no longer working, and they asked for your help. What is likely the source of the problem?

a. The ear piece has paired to a different device b. The earpiece is broken c. The Wi-Fi signal is weak D. Bluetooth connectivity was lost

A technician has a failed Lenovo laptop and suspects the motherboard is bad. They have several other laptops available from which they can harvest parts. Which of the following statements is most likely true regarding the replacement motherboard that is selected?

a. The motherboard is not replaceable b. Any laptop motherboard will work c. A motherboard from any other Lenovo laptop will work D. Only a motherboard from that same model of Lenovo laptop will work

Your customer has an iPhone 8 and wants to read and write NFC tags with it. What advice will you give them? (Choose two)

a. Their iPhone will only work with Apple Pay b. They need to upgrade to iPhone X to write NFC tags C. With iOS 13 or better on their device, they'll be able to read and write NFC tags using a third-party app D. iPhone 12 and iPhone 13 can read NFC tags simply by holding the phone over the tag

The company president misplaced their charging cable for their iPhone 13. You tell them it's no problem, and hand them a new one. What type of connector does this iPhone use for charging?

a. Thunderbolt B. Lightning c. ApplePower d. USB-C

In which scenario would you use the Fn key and the F10 key?

a. To turn the screen brightness down B. To turn the screen brightness up c. To turn the speaker volume down d. To turn the speaker volume up

Which laptop expansion port technology was developed by Apple and Intel and supports a wide variety of peripheral devices?

a. USB b. Display Port c. eSATA D. Thunderbolt

How do modern docking stations connect to laptops? (Choose two)

a. USB 2 B. USB-C C. Thunderbolt 3 or 4 d. HDMI

Of the laptop components listed, which one is least likely to be built into the display?

a. Wi-Fi B. Speakers c. Webcam d. Digitizer

Which type of network connection is least likely to be found on a tablet computer?

a. Wi-Fi b. Bluetooth C. RJ-45 d. Cellular

You're working from a home office and need to be able to type on your keyboard while talking with clients, so you purchase a wireless headset. What wireless technology will you need to enable on your laptop to ensure that the headset and laptop can communicate?

a. Wi-Fi b. IR C. Bluetooth d. NFC

You're upgrading the Wi-Fi card in a manager's laptop and notice that the antenna cable is frayed, so you need to replace that too. What will you likely need to do to replace the antenna?

a. Wrap the antenna with electrical tape B. Open the display to replace the cable c. Attach a dongle for the new cable d. Just install the new card because the antenna is part of the card

You're at home binging on a popular Internet movie service and suddenly notice that the spinning wheel is showing up often, taking more time to download the movie than normal. What is likely the problem?

a. Your router needs to be reset B. You have reached your data cap c. Your laptop is overheating d. The service is overwhelmed with requests

What is the name of the OS used by the Apple Watch, which was designed specifically for the watch?

a. iOS b. OS X mobile C. watchOS d. Tizen

What service is built into Apple-developed devices and permits users and subscribers to store documents, media, and contact information off their devices?

a. iStore b. OneDrive C. iCloud d. CloudOnline