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CompTIA A+ 1101 (Core 1)_ > 1.4 Given a scenario, configure basic mobile-device network connectivity & application support > Flashcards

1.4 Given a scenario, configure basic mobile-device network connectivity & application support Flashcards

1
Q

2 common types of 2G & 3G cellular networks?

A
  • GSM
  • CDMA
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2
Q

Meaning of GSM?

A

Global System for Mobile Communication

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3
Q

Meaning of CDMA?

A

Code Division Multiple Access

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4
Q

Meaning of SIM?

A

Subscriber Identity Module

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5
Q

How does GSM differ from CDMA?

A

Allowing users to use SIM cards on unlocked devices with chosen network provider

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6
Q

Where is GSM adopted?

A

Internationally & by AT&T & T-Mobile in the U.S.

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7
Q

How does CDMA differ from GSM?

A

Having the provider directly manage devices

There is no removable SIM card

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8
Q

What was CDMA adoption largely restricted to?

A

Sprint & Verizon

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9
Q

Meaning of PRL?

A

Preferred Roaming List

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10
Q

Why do CDMA devices use PRL updates?

A

To get info. the cellular radio needs to connect to the network

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11
Q

How are PRL updates done on CDMA devices?

A

Via settings or by dialing a special code

i.e. *228

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12
Q

What cellular network types requires a SIM card?

A

4G & 5G

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13
Q

What devices do not require manual PRL updates?

A

Devices with SIM cards

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14
Q

2 common indicators used to represent 2G network connections?

A
  • G/E
  • 1X
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15
Q

What 2G network does G indicator represent?

A

GSM

The E indicator means EDGE (Enhanced Data Rates for GSM Evolution)

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16
Q

What 2G network does 1X indicator represent?

A

CDMA

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17
Q

2 types of cellular network technologies 3G uses?

A
  • UMTS
  • EV-DO

They represent different standards for how mobile devices communicate with cellular network infrastrucutre in the 3G era

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18
Q

Meaning of UMTS?

A

Universal Mobile Telecommunications Service

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19
Q

Meaning of EV-DO?

A

EVolution-Data Optimized

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20
Q

What 3G cellular network technology do GSM networks use?

A

UMTS

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21
Q

What 3G cellular network technology do CDMA networks use?

A

EV-DO

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22
Q

2G data speeds?

A

Up to 400 Kbps

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23
Q

3G data speeds?

A

Up to 3Mbps

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24
Q

What does the 3G network indicator H/H+ represent?

A

HSPA

HSPA is a subset of UMTS, it provides improved data rates

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25
Q

Meaning of HSPA?

A

High Speed Packet Access

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26
Q

HSPA+ data speeds?

Subset of UMTS (3G cellular network technology)

A

Up to 42Mbps

Real-world performance is likely to be lower

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27
Q

What is the bandwidth of LTE-A (4G+)?

A

300Mbps

(In theory) Real-world performance is likely to be lower

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28
Q

Usual throughput of 5G?

A

Up to 300Mbps

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29
Q

3 things to configure when setting up mobile hotspot?

A
  • Network name
  • Security type
  • Password
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30
Q

What is tethering?

A

Sharing a device’s cellular data via USB or Bluetooth

31
Q

How is tethering limited?

A

Some carriers restrict or charge for it

32
Q

List the Bluetooth pairing process

A
  • Enable Bluetooth
  • Enable pairing
  • Find device for pairing
  • Enter PIN
  • Test connectivity
33
Q

3 common types of synchronization accounts?

A
  • Microsoft 365
  • Google workspace
  • iCloud
34
Q

What accounts are used for accessing Microsoft Office suite & OneDrive subscriptions?

A

Microsoft accounts

35
Q

What is the default domain for Microsoft 365 accounts?

A

@outlook.com

But you can also register with a third-party address (i.e. gmail.com)

36
Q

What do google accounts grant free access to?

A

Google’s Workspace & Google Drive storage

37
Q

What domain is used for google accounts?

A

@gmail.com

Google accounts do not support third-party email addresses (i.e. outlook.com)

38
Q

What does an Apple ID account grant free access to?

A

Apple’s productivity software & iCloud storage

39
Q

What is the default domain for Apple ID accounts?

A

@icloud.com

Apple ID accounts DO support third party addresses (i.e. gmail.com or outlook.com)

40
Q

What are sub-accounts on mobile devices?

A

Additional accounts for services/apps

41
Q

What do account settings in devices allow you to configure?

A

Features for account data sync

42
Q

What does mobile device synchronization mean?

A

Copying data back & forth between devices

43
Q

What do most email providers allow the OS to do?

A

Autodiscover connection settings

44
Q

What does autodiscover mean?

A

Using DNS records published by the email service to configure email settings

To connect to an autodiscover-enabled email account, choose the mail provider & sign in

45
Q

What do many institutions use for corporate email?

A

Microsoft’s Exchange mail server

Exchange is often integrated into email client options

46
Q

What info is required for manual setup of ISP or corporate email?

A
  • Incoming mail server
  • Outgoing mail server
  • Whether TLS is used
  • Port(s)
47
Q

What’s the incoming mail server in ISP/corporate email setup?

A

FQDN or IP address of IMAP/POP3 server

48
Q

Meaning of IMAP?

A

Internet Mail Access Protocol

49
Q

Meaning of POP3?

A

Post Office Protocol 3

50
Q

When is IMAP used as the incoming mail server in ISP/corporate email setup?

A

If viewing & accessing emails from multiple devices

51
Q

What does POP3 do with emails?

A

Downloads email on device & removes it from server mailbox

52
Q

What protocol does Exchange default to?

A

MAPI

But it still supports POP3 & IMAP

53
Q

What’s the outgoing mail server in ISP/corporate email setup?

A

Address of SMTP server

54
Q

Meaning of SMTP?

A

Simple Mail Transfer Protocol

55
Q

When should TLS be enabled in ISP/corporate email setup?

A

When connecting to the email server via public link

i.e. an open Wi-Fi hotspot

56
Q

What is a restriction to enabling TLS in ISP/corporate email setup?

A

Mail provider must support it

Else TLS can’t be enabled

57
Q

Meaning of EMM?

A

Enterprise Mobility Management

58
Q

What is EMM?

VMware Workspace ONE is an example of an EMM suite
A

Management software to secure devices & apps in enterprises

59
Q

What does “visibility” refer to in terms of device management?

A

Challenge of identifying & managing devices in a network

60
Q

2 main functions of an EMM product suite?

MEM is an example of an EMM product suite
61
Q

Meaning of MDM?

A

Mobile Device Management

62
Q

Meaning of MAM?

A

Mobile Application Management

63
Q

Purpose of MDM functionality within EMM product suites?

Example of EMM product suite
A

Set device policies for authentication, feature use, & connectivity

Feature use like camera & microphone

i.e. requiring PIN, restricting camera, & only allowing connection to a specific Wi-Fi network

64
Q

Purpose of MAM functionality within EMM product suites?

A

Set policies for apps processing corporate data & prevent data transfer to personal apps

65
Q

What can a device enrolled with MAM software be configured into?

A

Enterprise workspace mode

66
Q

What does Enterpise workspace mode in MAM do to devices?

A

Only allows authorized corporate apps to operate

Personal apps can still be used

i.e. the app(s) used for corporate email, calendar, & contacts would store settings & data separately from the app used for personal email. Messages and attachments sent from the account might be subject to Data Loss Prevention (DLP) controls to prevent unauthorized forwarding of confidential or privacy-sensitive data

67
Q

How can MAM suites push public/private apps to enrolled devices?

A

Via Apple Business Manager or Managed Google Play

Apple Business Manager for iOS devices, Managed Google Play for Android devices

68
Q

What does geolocation mean?

A

Using network attributes to pinpoint device location

69
Q

What does a mobile device operate to find it’s current position?

A

A location service

70
Q

2 systems a mobile device’s location service can make use of?

71
Q

Meaning of GPS?

A

Global Positioning System

72
Q

Meaning of IPS?

A

Indoor Positioning System

73
Q

How does GPS find the device’s location?

A

Pinpointing it’s latitude & longitude via satellite signals

GPS requires a GPS sensor. Not all mobile devices are fitted with one

74
Q

How does IPS find the device’s location?

A

Triangulating its proximity to other radio sources

i.e. cellular radio towers, Wi-Fi APs, Bluetooth/RFID beacons, etc.

CompTIA A+ 1101 (Core 1)_ (28 decks)

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