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comptia a+ > Chapter 1 Mobile Devices MC > Flashcards

Chapter 1 Mobile Devices MC Flashcards

1
Q

You are researching options for adding a hard drive to your laptop. You want speed, but price is a consideration. Which of these is the middle-of-the-road option for speed and price?

HDD

SSD

SSHD

OLED

A

SSHD

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2
Q

Which of these are generally accessed through the bottom of a laptop?
(Choose all that apply.)

Battery

Wireless adapter

SODIMM RAM

SSHD

A

Battery

Wireless adapter

SODIMM RAM

SSHD

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3
Q

Which screen type would you choose for maximum brightness and efficiency?

LCD with IPS

OLED

LCD with TN

LED with CCFL

A

OLED

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4
Q

Which of the following is not featured on a common docking station?

SSD

Power connection

USB ports

Display output port

A

SSD

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5
Q

A Fitbit is an example of which technology?

VR/AR headset

GPS

Wearable technology

E-reader

A

Wearable technology

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6
Q

Which of the following is an Apple proprietary connector?

USB-C

USB-on-the-Go

Lightning

AppleUSB

A

Lightning

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7
Q

Which term describes using a phone and USB cable to provide secure Internet access to a laptop in an airport lounge?

Mobile-Web

OGWiFi (On-the-Go WiFi)

Tethering

Hotspot

A

Tethering

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8
Q

You are using your iPhone to pay for your groceries. Your receipt is sent to your email. Which technology is used in this payment transaction?

IR

HTTP

NFC

Hotspot

A

NFC

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9
Q

Which two transmissions are always disabled in Airplane mode? (Choose two.)

Bluetooth

GPS

Cellular

WiFi

A

GPS

Cellular

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10
Q

What unique identifier does each phone have?

IMSI
IMEI
SSO
S/MIME

A

IMEI

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11
Q

Which of the following mobile operating systems support VPN connections? (Choose all that apply.)

Windows 7

Android

iOS

Windows 10 Mobile

A

Android

iOS

Windows 10 Mobile

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12
Q

Which of the following are considered to be main methods of data
synchronization?

Synchronization to the automobile

Synchronization to the desktop

Synchronization to the cloud

All of the above

A

All of the above

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13
Q

What does SSO stand for?

Sudden Service Outage

Source Signal Only

Single Sign-On

Subscriber Service Overage

A

Single Sign-On

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14
Q

Which two of the following are required for cloud-based synchronization on a mobile device? (Choose two.)

Bluetooth 2.0

App or Web service installed

Web access

USB 2.0 port

A

App or Web service installed

Web access

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15
Q

Which of the following is best for updating RAM in most laptops?

DDRSD4

DIMM

SODIMM

SDR SDRAM

A

SODIMM

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16
Q

You have been asked to upgrade an aging laptop without replacing it. Which options can you add to provide the fastest possible update?

DIMM

HDD

SSD

SSHD

A

SSD

17
Q

You have been called to check on a laptop that belongs to a user just returning from vacation. The laptop keeps crashing after a few minutes of use. The documentation for the laptop indicates that additional RAM was added during a system tune-up earlier in the week. What are two considerations worth revisiting when troubleshooting? (Choose two.)

Memory speed

iOS update history

Voltage rating of the power cable

Memory timing

A

Memory speed

Memory timing

18
Q

Pokémon GO is a gaming app that creates game images on a smartphone or tablet as the player walks around a neighborhood. Which technology is used in
this game?

AR

VR

NFC

IR

A

AR

19
Q

Which one of the following is not commonly done using a function key
command?

Screen orientation change

Volume control

Fast-forward

Uber summons

A

Uber summons

20
Q

Which of the following are methods of sharing a wireless connection? (Choose all that apply.)

IMAP

Hotspot

Tethering

SSL

A

Hotspot

Tethering

21
Q

Which statement best describes Airplane mode?

Airplane mode allows mobile devices to communicate safely via Bluetooth and WiFi while in flight but turns off cellular transmission.

Airplane mode is an FCC regulation controlling the use of mobile
devices in airports.

Airplane mode allows mobile devices to communicate only when they
are attached to each other by cable.

Airplane mode turns off all wireless antennas so that mobile devices
cannot transmit or receive data while in flight.

A

Airplane mode allows mobile devices to communicate safely via Bluetooth and WiFi while in flight but turns off cellular transmission.

22
Q

Bluetooth uses which of the following networking standards?

Tethering

WEP

Ethernet

802.11

A

802.11

23
Q

Which of the following statements best describes Bluetooth? (Choose all that apply.)

Bluetooth devices form short-range, low-speed wireless networks.

Bluetooth devices connect to form a PAN.

Bluetooth devices create peer-to-peer networks.

Bluetooth devices allow dissimilar devices to communicate on the same network.

A

Bluetooth devices form short-range, low-speed wireless networks.

Bluetooth devices connect to form a PAN.

Bluetooth devices create peer-to-peer networks.

Bluetooth devices allow dissimilar devices to communicate on the same
network.

24
Q

When setting up a POP3 email account, which types of security protocol might you select for incoming mail? (Choose two.)

HTTP

HTTPS

TLS

SSL

A

TLS

SSL

25
Q

Which of these is an email extension that adds a level of encryption support?

IMAP

POP3

S/MIME

NFC

A

S/MIME

26
Q

Which port is used for POP3?

25

53

80

110

A

110

27
Q

If your phone is stolen, which of the following enables the phone to be blocked so that the thief cannot use it?

NFC

IMEI

S/MIME

IMSI

A

IMEI

28
Q

Which of these is not among the three basic methods of synchronization?

Synchronization to the cloud

Synchronization to the app

Synchronization to the car

Synchronization to the desktop

A

Synchronization to the app

comptia a+ (28 decks)

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