CompTIA A+ 220-1001 & 220-1002 A+1002: CH25 Review
This flashcard set focuses on mobile device hardware from Chapter 25 of the CompTIA A+ 220-1002 exam, highlighting battery types used in modern smartphones and tablets, especially Lithium-Ion (Li-Ion) technology. Great for mastering mobile power concepts.
Modern mobile devices use what type of Battery?
Ni-Ion
Li-Ion
Ni-CD
Ni-MH
Li-Ion
Key Terms
Modern mobile devices use what type of Battery?
Ni-Ion
Li-Ion
Ni-CD
Ni-MH
Li-Ion
Removing OS restrictions on an Android device is known as ________?
rooting
unlocking
device spoofing
jailbreaking
rooting
In Android, where would you go to force stop an app?
Application Manager
Battery Settings
Task Manager
Home Screen
Application Manager
What term describes restarting a mobile device, whether you do it from within the OS or with hardware buttons on the device?
Soft Reset
Hard Reset
Reboot
App Reset
Soft Reset
A Mobile Device overheats for seemingly no reason. What is the most likely cause?
Low Battery
Defective Battery
HD Video Recording
Auto-Dimming Screen
Defective Battery
When should you attempt to repair a battery?
Never
After the battery is removed
When the device is cool to the touch
When the device is off
Never
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| Term | Definition |
|---|---|
Modern mobile devices use what type of Battery? Ni-Ion | Li-Ion |
Removing OS restrictions on an Android device is known as ________? rooting | rooting |
In Android, where would you go to force stop an app? Application Manager | Application Manager |
What term describes restarting a mobile device, whether you do it from within the OS or with hardware buttons on the device? Soft Reset | Soft Reset |
A Mobile Device overheats for seemingly no reason. What is the most likely cause? Low Battery | Defective Battery |
When should you attempt to repair a battery? Never | Never |
Most Mobile devices allow the user to set a _______ by using a Password, PIN, Pattern, Fingerprint, and/or Facial Recognition to block strangers from accessing the device? Screen Lock | Screen Lock |
Wis one major indicator of a Weak Cellular Signal? Constant Reboots | Dropped Connections |
Why is a Hard Reset the most disruptive reset option? It frees up more internal space | It removes all of a user’s data and settings |
What is a last resort you can do if your device is stolen? Remote update | Remote wipe |
Because Mobile Device hardware typically cannot be repaired or replaced by a user or field tech, mobile device troubleshooting focuses on what type of issue? Battery | Software |
Having a user logon at a certain time of day, or even within so many seconds or minutes of another event, is known as a ______ factor? knowledge | temporal |
Removing OS restrictions on an Apple device is known as _______? access injection | jailbreaking |
Setting up equipment to spoof a carrier’s tower and infrastructure is known as _______? cell tower control | tower spoofing |
When mobile app is shut down, what might the user lose? Saved Data | Unsaved Data |
What might be the result of too many failed login attempts? System lockout | System lockout |
Generally, mobile devices do not include a _______ because they do not have a lot of services listening on open ports? application menu | firewall |
A hot, sluggish device might use ______ to protect the device’s CPU from heat damage? automatic backup | thermal throttling |
What hidden menu might exist to help with device calibration? information menu | diagnostics menu |
Most mobile devices have a few ______ stickers that change color when exposed to water? IMEI | liquid contact indicator |
What is the most accurate way to get a device’s location? GPS | GPS |
Which term refers to a collection of configuration and security settings that an administrator has created? eXtensible markup | Profile |
Besides the display, what is a very large battery drain for a mobile device? Weather apps | Wireless communication |
What is it called when you hold a system’s power button for several seconds until it turns completely OFF? Soft reset | Hard reboot |
What type of authentication is a Username and Password? Multifactor Authentication | Single-Factor Authentication |
PGP and S/MIME are examples of _? encryption standards | encryption standadrds |
What is the process in which an organization tracks when its employees enter or exit a predefined area? Geotagging | Geofencing |
Why might you run into connectivity problems at large public gatherings? Hyper-cell service | An overloaded network |
What might a dim display mean? an update is available | there is a problem with the display panel |