CompTIA A+ 1101 - 1.0 Mobile Devices

Question 1

MDM

Answer 1

Mobile Device Management

Enterprise software designed to apply security policies to smartphones & tablets

Question 2

ARM

Answer 2

Advanced RISC (Reduced Instruction Set Computer) Machine

32 Bit CPU Architecture designed for use with mobile and IoT devices

Low heat, low power but efficient and quick for its size

Question 3

Phablet

Answer 3

Cross between a phone and a tablet

Between 5.5” and 7” screen

Question 4

FRU

Answer 4

Field Replacement Units

Parts of a mobile device that can be replaced by users / techs

Question 5

EPD

Answer 5

Electro-Phoretic Display

A low power, high contrast, no backlight display that mimics paper very closely

Eg; Kindle

Question 6

GPS

Answer 6

Global Positioning System

A means of determining position in the world based off information received from satellites

Question 7

Hotspot

Answer 7

A soft access point for cellular data to be shared with other devices via Wi-Fi

Question 8

Tethering

Answer 8

Sharing a data connection with a device via Bluetooth/USB

Question 9

Cell Tower Range

Answer 9

5 Miles

Question 10

IMEI Number

Answer 10

International Mobile Equipment Identification Number

A serial number for Mobile Devices

Question 11

GSM Network

Answer 11

Global System for Mobile Communications

Works using SIM cards, IMEI and IMSI

Question 12

IMSI

Answer 12

International Mobile Subscriber ID

A method of identifying users under the GSM format

Question 13

CDMA Network

Answer 13

Code Division Multiple Access

An Americas-only system for mobile comms.

Similar to GSM, but doesn’t require SIM cards and locks phone to provider.

Question 14

PRI Database

Answer 14

Configures the data rate between a cell tower and the mobile device.

CDMA only.

Question 15

PRL Database

Answer 15

Preferred Roaming List Database

Allows for a CDMA mobile device to communicate on other networks from the provider/carrier

Question 16

SIM

Answer 16

Subscriber Identity Module

Question 17

G/E or 1X

Answer 17

Cellular Network Speed

Operates between 50kbps - 400kbps

Question 18

3G or H/H+

Answer 18

Cellular Network Speed

Operates between 3mbps - 42mbps

Question 19

4G and 4G+

Answer 19

Cellular Network Speed

Operates between 20mbps - 90mbps

Question 20

5G

Answer 20

Latest Cellular Network Speed

Operates between 100mbps - 900mbps

Theoretically able to reach 10gbps

Question 21

Baseband Update

Answer 21

An update / modification to a mobile phones Radio firmware.

Question 22

RTOS

Answer 22

Real-time Operating System

An OS that is designed for use with embedded / real-time apps.

Question 23

Mobile Phone

Answer 23

Glorified Radio

Question 24

MAM

Answer 24

Mobile Application Management

An established container running Enterprise applications, for use in development and distribution.

Question 25

IPS

Answer 25

Indoor Positioning System

Triangulates location indoors by using Cellular and Wi-Fi radio sources

Question 26

SSO

Answer 26

Single Sign On

When authenticating to one service (Outlook, Gmail etc) this will pass onto other services (Teams, Google Drive etc)

Question 27

MDM Types

Answer 27

BYOD - Bring Your Own Device
COBO - Corporate Owned, Business Owned
COPE - Corporate Owned, Personally Enabled
CYOD - Choose Your Own Device

Question 28

SoC

Answer 28

System on a Chip

A mobile device CPU form factor, wherein the CPU is miniscule and soldered into the board.

64-bit