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Comptia A+ > Chapter 12: Mobile Devices > Flashcards

Chapter 12: Mobile Devices Flashcards

1
Q

______ is an operating system based on the Linux kernel and used mostly on smartphones and tablets developed by the Open Handset Alliance

A

Android

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2
Q

______ based off of OSX and has roots in Unix

A

iOS

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3
Q

Windows 10 is open or closed source?

A

closed

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4
Q

______ a combination of hardware and software that measure velocity, detect rotation and shaking

A

accelerometer

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5
Q

What are the 3 accelerometers used for in Iphone?

A

X (left to right)
Y (up and down)
Z (back to front)

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6
Q

_______ adds the measurements of pitch, roll, and yaw to mobile devices, just like the concept of flight dynamics

A

gyroscope

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7
Q

________ is the practice of tracking and recording the location of a mobile device over time.

A

geotracking

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8
Q

_____ is the combination of programming tools and operating system or emulator used by a developer to create apps for a particular operating system

A

SDK (Software Development Kit)

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9
Q

If you connect an IMAP account, you must enter the IMAP server (for receiving mail) which uses port ____ by default

A

143

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10
Q

Secure email sessions require the use of _____ or ____ on port 443

A

SSL or TLS

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11
Q

_____ is a challenge/response protocol that uses a hashing function to prevent replay attacks during an email session

A

APOP

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12
Q

How do you add S/MIME (encryption) support to an email account?

A

Turn on the Sign All Outgoing Emails option and create keys for your email accounts

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13
Q

The _____ is he portion of the smartphone that makes connections to the cellular network for phone and data and are automatically updated by mobile providers

A

PRL (Preferred Roaming List)

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14
Q

Why are PRI updates done?

A

to control the speed at which data is sent from a mobile device to a cell tower; done automatically

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15
Q

What are the 3 requirements to use your phone as a RM radio?

A
  1. the phone’s FM chips must have a connection to the headphone jack
  2. The wireless carrier must permit FM radio apps to access the chip
  3. the phone manufacturer must install software controls for the FM chip
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16
Q

The 12 types of files that can be sychronized

A

contacts, programs, email, pictures, music, videos, calendar, bookmarks, documents, location data, social media data, eBooks

17
Q

______ is when apps on the mobile device send data to the cloud where it is downloaded by other mobile apps, by web browsers, or by programs running on Windows or OS X computers (google drive)

A

cloud-based synchronization

18
Q

______ enables a single login to provide access to multiple services

A

mutual authentication for multiple services (SSO)

19
Q

What are the software requirements for synchronization software? (windows)

A
  1. 1GB of RAM or more
  2. USB 2.0 ports minimum
  3. 300MB of free space on the hard drive
20
Q

What are the software requirements for synchronization software? (Mac)

A

OS X 10.5 or greater and an available USB port

21
Q

What are the connection types required for synchronization software? (windows and Mac)

A

USB 2.0 ports but some support bluetooth; for cloud based synchronization the app or web service must be on the mobile device and computer and have internet access

22
Q

______ is a short range, low speed wireless network primarily designed to operate in peer to peer mode between PCs and other devices such as printers, projectors, smartphones, mice, keyboards and other devices

A

Bluetooth

23
Q

peer to peer mode; when bluetooth devices connect to each other

A

personal area network (PAN)

24
Q

What is the port number for POP3?

A

110

25
Q

What is the port number for SMTP?

A

25

26
Q

All wireless networks have an SSID and by default, WAPs and wireless routers typically use the ____________ as the default SSID

A

manufacturers name or the device’s model #

27
Q

An encrypted wireless network relies on the exchange of a passphrase between the _______ and _______ before the client can connect to the network

A

client and WAP or router

28
Q

What are the 3 standards for wireless network encryption?

A
  1. WEP
  2. WPA
  3. WPA2
29
Q

Because ______ encryption is not secure it should be used to secure a wireless network

A

WEP

30
Q

All wireless networks should be secured with _______

A

WPA2

31
Q

Disabling __________ is widely believed to be an effective way to prevent your wireless network from being detected

A

SSID broadcast

32
Q

What are the 2 most common ways to configure a WPS with SOHO router

A
  1. PIN
  2. Push Button

Push button method is recommended if WPS is used

33
Q

To further secure the router or WAP, configure the device so it can be managed only with a _________

A

wired Ethernet connection

34
Q

The _________ a unique identification (known as a physical address) assigned to every network adapter

A

MAC address

35
Q

_______ is used to block hackers from getting access to wireless or wired network; should not be used alone to stop security attackers

A

MAC filtering

Comptia A+ (22 decks)

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