Mobile Devices Flashcards
Your client wants you to upgrade the RAM, wireless cards, and storage in a collection of laptops from different vendors. Which of the following do you need to perform the work successfully? (Choose all that apply.)
Service manual for each model
Specialized tools
Specifications
All of the above
All of the above
A service manual provides detailed teardown and reassembly instructions; specialized tools help you open cases without breaking parts; and specifications inform you of standard features and supported upgrades
You are specifying the components you want in a killer gaming laptop. Which of the following standards provides the best opportunity for high-performance mass storage?
SATA
USB
M.2
M.2
M.2 drives using NVMe are the fastest mass storage devices
Which of the following laptop components typically requires the least disassembly to swap or upgrade?
Hard drive
RAM
CPU
RAM
Most laptops with upgradeable RAM have the modules under an easy-to-remove panel on the bottom of the case
our client wants to switch from SATA hard disk to SATA SSD storage in their fleet of laptops. Which of the following advice is most likely to be correct?
Buy M.2 drives because all laptops have M.2 slots.
SSDs are no faster than hard disk drives, so don’t bother switching.
Replacing hard disk drives with SSDs can provide better performance.
Replacing hard disk drives with SSDs can provide better performance.
SSDs in the SATA form factor provide faster performance than SATA hard disk drives
Your client has stripped components from retired laptops to use for replacements in more recent laptops. Which of the following is most likely to be compatible with a newer laptop?
Hard drive
RAM
Wireless card
Hard drive
As long as a SATA 2.5-inch hard drive will physically fit into a laptop, it can be used as a replacement (a few hard drives are too thick for some laptops, but that is rare)
Your client has a cracked laptop screen, but the laptop still works. Which of the following might be the most cost-effective solution?
Replace the display panel
Replace the display assembly
Replace the laptop
Replace the display panel
Replace the display panel. The other components in the display assembly are working, so replacing only the panel is likely to be cheaper and probably faster than swapping the entire display assembly
Your client decided to have a laptop display assembly swapped. Now, the wireless doesn’t work. Which of the following is the most likely cause?
Webcam plugged into wireless card
Wi-Fi card not reconnected to wireless antennas
Wi-Fi wires broken during swap
Wi-Fi card not reconnected to wireless antennas
The Wi-Fi card is in the laptop base, so the wireless antenna wires must be disconnected to swap a display assembly. It’s easy to forget to reattach them
A user reports that the laptop isn’t displaying anything. However, when you plug in an external display, the laptop can be used. Which of the following would you check first?
Digitizer
Microphone
Inverter
Inverter
Check the inverter (on laptops so equipped). When it fails, the built-in display becomes extremely dim
The wireless antennas in a laptop display assembly are usually located where?
Lower left and right corners of the display
Top center of the display
Top left and right corners of the display
Top left and right corners of the display
The antennas usually are located in the upper left and right corners of the display assembly
Your client uses a laptop for live chats with her salesforce, but her webcam has failed. The weekly chat is in two hours. What should you do?
Arrange for an express swap of her display assembly
Connect a USB webcam
Reimage a spare laptop
Connect a USB webcam
A USB webcam will work fine, may have better image quality than the built-in webcam, and can be installed and configured in plenty of time for the meeting
You are providing phone support for a user who wants to switch from her laptop’s built-in display to an external display. Which of the following should you do first?
Ask the user to describe the symbols on the special function keys to determine the correct key(s) to use
Tell the user to use the same key combination that you use on your laptop
Tell the user to check the laptop’s instruction manual
Ask the user to describe the symbols on the special function keys to determine the correct key(s) to use
Looking at the keyboard markings is the first (and usually best) way to figure out the keys to use. The instruction manual is also helpful, but is often not available. You might need to prompt the user to describe some symbols to you
Your client is concerned about unauthorized Bluetooth connections to his laptop, but he can’t find a function key to control Bluetooth. Which of the following is the best advice to give?
Keep looking for the Bluetooth key
Use Airplane mode to turn off Bluetooth
Use the operating system to manage Bluetooth
Use the operating system to manage Bluetooth
Bluetooth, whether built-in or provided with a USB adapter, can be managed via the operating system
Your client wants to buy laptops that can be expanded with additional ports not found in the base unit. The types of laptops your client is considering are designed to use which of the following?
Port replicator
USB hub
Docking station
Docking station
A docking station provides features not found in the base unit. For example, the Microsoft Surface Dock for Surface Pro includes a Gigabit Ethernet port (the Surface Pro itself doesn’t have one)
While teaching a Microsoft Excel class, you instruct your students to press the F2 key to edit a formula. Some of your students must press and hold an additional key on their laptops to edit a formula. Which of the following keys would they need to press?
ALT
FN
CTRL
FN
Some laptops use the special function keys as the primary function for function keys. On those computers, the user must hold down the FN key along with F2 to edit an Excel formula
Your client is a traveling salesperson on a business call and has forgotten the keyboard for her hybrid laptop at home. Which of the following is not a likely workaround?
Onscreen keyboard
Bluetooth keyboard
PS/2 keyboard
PS/2 keyboard
A PS/2 keyboard port is found on a few old laptops and some desktops, but not on hybrid laptop/tablet computers
You are preparing for a 15-hour flight and intend to spend most of the time reviewing Mike Meyers’ CompTIA A+ Certification Passport and then maybe reading a novel. Your carry-on is already pretty full. Which of the following would best help you achieve your goals?
Load e-book versions on your laptop and make sure its battery is fully charged
Load e-book versions on your e-reader
Load e-book versions on your smartphone
Load e-book versions on your e-reader
An e-reader will enable you to read both fiction and nonfiction books, with minimal bulk and a comfortable screen size. Compared to laptops, e-readers have long battery life, so a 15-hour flight is no problem
You’re playing a game that overlays 3-D figures over what you see around you. What is this an example of?
Smart watch
Augmented reality
Virtual reality
Augmented reality
Augmented reality combines real-world, real-time scenes with 3-D objects
A smart watch needs which of the following to work?
Smartphone
VR headset
GPS
Smartphone
A smart watch connects to a smartphone, which sends/receives messages and phone calls, updates calendars, and so on
Which type of mobile device is available in specialized versions for airplanes, boats, hunting, hiking, and scuba diving?
Smart watch
E-reader
GPS
GPS
GPS devices are available in many different variations for different types of uses
A tethered VR headset connects to which of the following?
Smartphone
PC or console
GPS
PC or console
A tethered VR headset relies on the GPU in a PC or console for 3-D rendering
Which of the following chargers supports both tablets and smartphones and has the largest capacity?
- 1-amp output, 5600 mAh
- 5-amp output, 10,000 mAh
- 1-amp output, 10,000 mAh
- 1-amp output, 10,000 mAh
2. 1-amp output supports both smartphones and tablets, and 10,000 mAh is the highest battery capacity of those listed
Bluetooth can be used for which of the following accessories? (Choose all that apply.)
Headset
Battery pack
Game pad
Speaker
Headset
Game pad
Speaker
Bluetooth cannot be used for battery charging but works with Bluetooth-equipped speakers, headsets, game pads, and other input/output devices
Your supervisor asks you about using a smartphone to make a payment at a convenience store. Which feature needs to be activated?
USB
Tethering
NFC
NFC
Near Field Communication (NFC) can be used for cardless payment at convenience stores
our client has just purchased a new model iPad Pro. Which type of charge/sync cable does she need to use?
Lightning
USB-C
30-pin
USB-C
The newest iPad Pro models have switched from Lightning to USB-C
You’re getting ready to sell your artwork and want to be able to accept payment by credit cards via your older Android phone. What type of connection will you use for your card reader?
Lightning
USB-C
3.5-mm audio jack
3.5-mm audio jack
Android phones use the 3.5-mm audio jack for credit card readers
Your client’s smartphone has been lost and is presumably stolen. Which of the following can the carrier use to prevent others from using the phone?
IMEI
SIM
VPN
IMEI
The IMEI number can be given to the provider to block the phone from being used by unauthorized people
our firm is considering trying a service that would set up secure Wi-Fi connections while users are working from a coffee shop or hotel lobby. Which of the following is being considered?
Bluetooth
IMSI
VPN
VPN
A virtual private network (VPN) creates a secure “tunnel” for running Wi-Fi on a public network
Which of the following enables you to use your mobile device for reading without interfering with aviation navigation systems?
GPS
Airplane mode
Exchange
Airplane mode
Airplane mode turns off all radios (cellular, Wi-Fi, Bluetooth) but keeps the device on
You are getting ready to try out a new Bluetooth headset for your smartphone. After you enable Bluetooth and turn on the headset, which of the following do you need to do to use the headset?
Tether the headset
Connect to the hotspot in the phone
Pair the headset with the phone
Pair the headset with the phone
You must pair a new Bluetooth device with your mobile device before you can use it
You are helping a user at a company that runs its own e-mail server to configure a smartphone to use it. Which of the following would you select to start the process?
Yahoo
Gmail
Outlook
None of the above
None of the above
A private e-mail account doesn’t use these settings. Instead, you would enter the correct settings manually
Which service could you use for document and photo synchronization?
Kindle
iCloud
iCloud
iCloud can be used for document and photo sync
Your client forgot to install the OneDrive app on her new smartphone before leaving on a business trip and now needs to retrieve files from her cloud account. Which of the following would be the best workaround to recommend to her?
Ask the administrative assistant to e-mail the files
Use FTP to retrieve the files
Use the phone’s browser
Use the phone’s browser
OneDrive supports file sync through web browsers
You and your supervisor are driving a rental car to a meeting and are trying to sync one of your phones to the entertainment system. It doesn’t work. What’s the most likely reason?
Different versions of Bluetooth
Pairing disabled while vehicle in motion
Must use a proprietary cable
Pairing disabled while vehicle in motion
Some vehicles don’t support pairing while the vehicle is in motion, so pull over and try it again
To save time on your next trip, you looked up the directions to the restaurants you want to visit and stored them using Google Maps on your tablet. However, when you try to look up the directions on your smartphone, they’re not available. What is the most likely cause?
You must log into Google Maps to get stored directions.
You forgot to e-mail them to yourself.
You must sync your phone to the GPS in your car.
You must log into Google Maps to get stored directions.
You must log into Google Maps to get stored directions
Your client wants to use the OneDrive mobile app for iOS but can’t install it. Which of the following would you check first?
Amount of free space on the iOS device
Whether the user has a Microsoft account
Which iOS version is installed
Which iOS version is installed
An old version of iOS will prevent the OneDrive mobile app from installing. Chances are it won’t even be listed in the user’s app store until the device is updated
