Chapter 25 Review: Understanding Mobile Devices Flashcards
What is tethering?
When a WiFi device uses another device’s cellular connection to get on the Internet
Which of the following are features of mobile devices? Select more than one
a. each has a single audio jack for earbuds or speakers
b. Uses SSD storage instead of HDD
c. No FRUs
d. CPU and GPU are integrated
a-d are correct answers
Except for APPLE who doesn’t have a headphone jack, but I guess for the exam, all mobile devices have an audio jack
What feature allows a user to rotate a device and have the screen rotate?
Accelerometer
True or false:
The APK is a set of development tools used to write/create apps and the SDK is the format used to distribute and install applications onto Android OS
False
The SDK is a set of etc. etc. and the APK is the format used to distribute and install onto Android
What email protocol is associated with port 25?
SMTP
What feature allows the government to track your location if you’re using a mobile phone?
Geotracking
A _____ establishes a secure connection between two sites.
They use various protocols including L2TP, IPsec, and _____
VPN, SSL
What wireless communication method has the shortest operational range?
NFC
What technology do you use when you tap a phone next to a reader to pay for something?
NFC
What is the typical screen size of a phablet?
5-7 inches
What are the steps to pairing a bluetooth device to a mobile phone?
1) enable bluetooth on phone
2) enable bluetooth device
3. discover bluetooth device
4. enter PIN on phone
5. test connectivity
What iPhone version introduced the Lightning connector?
iPhone 5
Used to identify a SIM, which contains information unique to the owner of the phone
ICCID
Used to identify a mobile device, and can be found in the battery compartment or device settings
IMEI
Used to identify a user account with a particular carrier, unacceptable from the phone
IMSI
____ uses Wi-Fi to provide mobile phone coverage over a wifi network where cellular service may be poor or non existent
Wi-Fi calling
_______ OS maintains a closed environment. They control what apps can be distributed through their app store. This is a _______ source system.
Apple, closed
______ OS manufacturers can customize the OS and there are many third party apps that work with it. This is a ______ source system.
Android, open
Why would you prefer an E-Reader over a mobile device?
- Longer battery life
- Easier to read in low light
Who offers more expansion capability in their mobile devices? Apple or Android?
Android
A _____ refers to the mobile device component that provides the “touch” part of a touch screen
Digitizer
What mobile device screen technology uses no backlight?
OLED
