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COMP47430_Mobile > 99 - Exam Multiple Choices > Flashcards

99 - Exam Multiple Choices Flashcards

1
Q

What does the acronym UICC stand for?

A

Unified Integral Circuit Card
Unified Integral Credit Card
Universal Integrated Circuit Card
Universal Integrated Credit Card

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2
Q

Which of the following is a common UMTS frequency?

A

500 Mhz
700 Mhz
1500 Mhz
2100 Mhz

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3
Q

Which of the following SIM data is not protected by a PIN code?

A

Received calls
ICCID
SMS Entries
IMSI

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4
Q

What are the first eight digits of an IMEI known as?

A

Major Industry Identifier
Major Industry Identity
Serial Number
Type Allocation Code

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5
Q

Which of the following is the correct code to display a handset IMEI?

A

“‘06*

#”‘06#
*#06#
*#06*

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6
Q

What does the acronym HLR stand for?

A

Host Local Register
Home Local Register
Host Location Register
Home Location Register

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7
Q

What are the first two digits of an ICCID known as?

A

Major Industry Identifier
Major Industry Information
Mobile Industry Identifier
Mobile Industry Identity
Serial Number
Type Alloted Code
Type Allocation Code

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8
Q

Which of the following is not required to produce a (U)SIM-ID clone?

A

ICCID
IMEI
IMSI
Clone SIM

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9
Q

What is the maximum number of incorrect PUK attempts before a SIM/UICC becomes permanently disabled ?

A

3
8
10
12

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10
Q

What is the default Motorola handset lock/security code?

A

00000
000000
0000000
00000000

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11
Q

Which of the following is the conversion of 66base10 to base2?

A

1000010
1000011
1100010
1100011

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12
Q

Please decode the following reverse nibble string 52210231.

A

31022152
13201225
15322201
25122013

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13
Q

Which one of the following is not a forensic tool:

A

Nokia PC Suite
XRY
Cellebrite UFED
Oxygen Forensic

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14
Q

What does the acronym JTAG stand for?

A

Joint Technical Automation Group
Joint Test Access Group
Joint Technical Assembly Group
Joint Test Action Group

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15
Q

What does the acronym USIM stand for?

A

Universal Subscription Identification Module
Universal Subscriber Identity Module
Universal Subsystem Identification Module
Universal Subsystem Integrated Module

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16
Q

Which one of the following is the form factor for a Micro-SIM?

A

1FF
2FF
3FF
4FF

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17
Q

Which one of the following is a component of an FCC-ID?

A

Country Code
Network Code
Device Code
Product Code

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18
Q

Which one of the following is an interface commonly used to conduct a physical examination of a mobile device?

A

JTAG
API
NFC
Bluetooth

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19
Q

What is the duplex frequency spacing used on the GSM 1900 Band?

A

35 Mhz
45 Mhz
85 Mhz
80 Mhz
95 Mhz

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20
Q

What is the length of a GSM time slot?

A
  • *0.577 milliseconds**
    1. 154 milliseconds
    2. 308 milliseconds
    4. 615 milliseconds
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21
Q

Which one of the following is the conversion of 321 base8 to base10?

A

205
209
254
255

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22
Q

What is the modulation technique used on a GSM network?

A

8PSK
TDMA
GMSK
CDMA

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23
Q

Which one of the following is the uplink frequency range of GSM 850?

A

824-849 Mhz
869-894 Mhz
890-915 Mhz
830-855 Mhz

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24
Q

What does the acronym UCHV stand for?

A

Unified Chip Holder Verifier
Unique Chip Holder Verifier
Unknown Chip Holder Verifier
Unblock Card Holder Verification

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25
Q

Which one of the following is the virtual machine used in Android prior to version 5.0?

A

Dalvik
Android VM
Android Run Time
XMPP Service

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26
Q

Which of the following is the correct string sequence to calculate an Apple Unique Device ID?

A

IMEISerialWiFiBluetooth
SerialIMEIWiFiBluetooth
WiFiIMEISerialBluetooth
SerialWiFiIMEIBluetooth

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27
Q

What is the default Samsung security code?

A

12345
0000
000000
00000000

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28
Q

What does the acronym SIM stand for?

A

Subscription Identification Module
Subscription Identity Module
Signalling Identity Module
Subscriber Identity Module

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29
Q

What does the acronym SSN stand for?

A

Subscriber Signed Number
SIM Serial Number
Subscriber Serial Number
SIM Signed Number

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30
Q

Which of the following is the conversion of 377 base8 to base10?

A

245
247
254
255

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31
Q

What is the name of the component of a mobile network that maintains a record of stolen or non-approved handsets?

A

Equipment Authentication Centre
Equipment Identified Register
Equipment Identity Register
User Authentication Centre

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32
Q

Which one of the following is the maximum length of PIN Lock digits?

A

4
8
9
10

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33
Q

Which one of the following is the system partition size on an iPhone?

A

1Gb
2Gb
3Gb
4Gb

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34
Q

Which one of the following is a common GSM frequency?

A

700 Mhz
800Mhz
1800 Mhz
2000Mhz

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35
Q

What is the IMEI ninth through fourteenth digits known as?

A

Check Digit
Type Allocation Code
Major Industry Identifier
Serial Number

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36
Q

Which one of the following Mobile Network components stores a temporary database of subscribers operating in a specific area?

A

Home Location Register
Equipment Identity Register
Visitor Location Register
Device Location Register

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37
Q

Which of the following is a common GSM frequency?

A

1600Mhz
1800 Mhz
2400Mhz
300 Mhz

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38
Q

Which of the following is the default Sony Ericsson handset lock/security code?

A

12345
0000
000000
00000000

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39
Q

What does the acronym MSC stand for?

A

Mobility Service Centre
Mobile Service Centre
Mobility Switching Centre
Mobile Switching Centre

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40
Q

What is the maximum digit length of a PUK?

A

4
8
10
12

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41
Q

What is the maximum digit length of a PIN?

A

4
6
8
10

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42
Q

Which of the following is the ASCII representation of the default Nokia Security Code?

A

3030303030
3132333435
0303030303
1333334353

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43
Q

The MII consists of how many digits in an ICClD?

A

2
3
4
5

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44
Q

What is the binary equivalent value of 0x84DA?

A

1110111101111100
1000001011011010
1000100111011010
1000010011011010

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45
Q

The TAC is a component of which of the following?

A

IMSI
Memory Card
ICCID
IMEI

46
Q

What is the minimum number of IMEI digits required to uniquely identify an individual mobile phone?

A

8
14
17
28

47
Q

Which of the following iPhone models was the Micro SIM first introduced?

A

iPhone 3
iPhone 3GS
iPhone 4
iPhone 4S

48
Q

Which of the following is not required to calulate the iPhone Unique Device ID?

A

ICCID
lMEI
Serial Number
Bluetooth MAC Address

49
Q

What is the name of the protocol used by iTunes to connect to an iPhone?

A

Apple File Control
Apple File Connection
Apple File Connector
Apple File Controller

50
Q

Which of the following is not a mobile phone operating system?

A

Android
Blackberry
Windows Mobile
OSX

51
Q

Which of the following is a common GSM frequency?

A

900 Mhz
1600 Mhz
2400 Mhz
100 Mhz

52
Q

What is the default Samsung handset lock/security code?

A

0000
000
00000
00000000
000000000

53
Q

Which of the following is a common removeable media file system format?

A

Android
FAT
Windows Vista
Symbian

54
Q

What does the acronym LAI stand for?

A

Location Area Identifier
Location Area Identifiers
Location Area Identity
Local Area Identity

55
Q

What does the acronym BSC stand for?

A

Base Station Combiner
Bulk Station Controller
Base Station Co-ordinator
Base Station Controller

56
Q

How many Visitor Location Registers can an active subscriber be in on a mobile network?

A

1
2
3
4

57
Q

What are the IMEI ninth through fourteenth digits known as?

A

Major Industry Identifier
Type Allocation Code
Serial Number
Check Digit

58
Q

Which of the following is a common database format used on smartphones?

A

Access
SQLite
Oracle
DB2

59
Q

What is the maximum number of incorrect PUK input attempts before a SIM memory is erased?

A

7
8
9
10

60
Q

Which of the following iPhone models does not support device user partition encryption?

A

iPhone 3
iPhone 3G
iPhone 4
iPhone 4S

61
Q

In iPhone communications what does the acronym AFC stand for?

A

Apple Frequency Control
Apple Frequently Connected
Apple File Connection
Applied File Connector

62
Q

What Hash technique is used to create the iPhone Unique Device ID?

A

MD5
SHA1
SHA256
SHA512

63
Q

What is the system partition size on an iPhone?

A

6Gb
4Gb
2Gb
1Gb

64
Q

What is the correct value when converting 1000111110101010 binary to hexadecimal?

A

8ADD
8FAA
8FFA
8AFF

65
Q

Which of the following is NOT a mobile forensic examination tool?

A

.XRY
MOBIL Edit
iTUNES
Cellebrite UFED

66
Q

What data will always be found stored on a SIM?

A

Received calls
ICCID
SMS Entries
IMEI

67
Q

Which of the following is the most common UMTS frequency?

A

900 Mhz
1800 Mhz
2100 Mhz
100 Mhz

68
Q

What information will NOT be recovered by a forensic tool?

A

SMS
Mobile device date of manufacture
Bluetooth paired devices
Phonebook and call records

69
Q

Which of the following is a method of hex extraction?

A

Bluetooth
Infra Red
JTAG
ESATA

70
Q

Which of the following is not a common flasher box tool?

A

SHU
Infinity
Celldek
Vygis

71
Q

How many digits in a TAC?

A

2
3
5
8

72
Q

The Mobile Country Code is made up of how many digits in an IMSI?

A

2
3
4
5

73
Q

What is the default Sony Ericsson handset lock/security code?

A

0000
000
00000
0000000

74
Q

What does the acronym MVNO stand for?

A

Major Virtual Network Operator
Mobile Virtual Network Operator
Mobile Virtual Network Operation
Minor Virtual Network Operator

75
Q

What is the maximum number of incorrect PIN input attempts?

A

3
4
5
8

76
Q

What is the digit length of a Personal Unblocking Key (PUK)?

A

4
5
6
7
8

77
Q

Which evidential data is more important to investigators when examining a mobile device

A

Electronic data
Physical data
Depends on the investigation
Neither

78
Q

Please decode the following reverse nibble string 10177677.

A

10177677
01716777
77761710
77677101

79
Q

Which of the following is NOT used for extracting data from a device?

A

USB
Bluetooth
IR
Compact Disc

80
Q

What is the benefit of using a SIM cloner?

A

To use in another handset
To deny Network access
To allow Network access
To obtain the PIN

81
Q

What information will NOT be recovered by a forensic tool?

A

The condition of the handset
Images
Bluetooth paired devices
Phonebook and call records

82
Q

What data will always be found stored on a (U)SIM?

A

Received calls
SMS Entries
IMEI
IMSI

83
Q

How many digits should the electronic ICCID have?

A

8-10
19-20
25-30
30+

84
Q

Which Digits of the IMSI are necessary to clearly identify the Network operator?

A

First Three
First Five to Six
Network Operator is not contained within the IMSI

85
Q

Which is the best method of identifying the (U)SIM of a device?

A

Identify from Network operator / Service provider by ICCID or IMSI
Put it in to a phone and send a SMS
Put it in to a phone and make an emergency call

86
Q

What does the acronym IMSI stand for?

A

Individual Mobile Standard Identity
Individual Mobile Subscriber Identity
International Mobile Subscriber Identity
International Mobile Standard Identity

87
Q

What does MNC mean

A

My Network Code
Mobile Number Code
Mobile National Code
Mobile Network Code

88
Q

What do the first 4 – 5 digits of an ICCID identify stand for?

A

Major Industry Identifier and Local area code
Major Industry Identifier and Country Code
Major Industry Identifier and Provider Code
Major Industry Identifier and Network Code

89
Q

Where would you expect to find the TAC code?

A

IMEI
IMSI
Memory Card
ICCID

90
Q

Which of the following is NOT a typical phone operating system?

A

Android
Windows mobile
Windows Vista
Symbian

91
Q

Which frequency is NOT normally associated with Mobile phone networks?

A

900 Mhz
1500 Mhz
1800 Mhz
2100 Mhz

92
Q

Which one of the following does the acronym CDMA stand for?

A

Code Division Multiple Access
Coded Direct Modulated Access
Combined Dual Mobile Amplifier
Combination Data Mobile Access

93
Q

Which one of the following does the acronym GPRS stand for?

A

Global Positioning Radio System
General Position Radio Station
Generic Protocol Radio Service
General Packet Radio Service

94
Q

Which one of the following does the acronym PTMSI stand for?

A

Public Telecommunications Mobile Station Indicator
Private True Magnetic Switch Identifier
Packet Temporary Mobile Subscriber Identity
Packet Technical Mobile Switch ID

95
Q

Which one of the following does the acronym TDMA stand for?

A

True Direct Modulated Access
Time Division Multiple Access
Temporal Dual Mobile Amplifier
Tagged Data Mobile Access

96
Q

Which one of the following GNSS does not use Code Division Multiple Access modulation in its transmission signal?

A

GPS
GLONASS
GALILEO
BDS

97
Q

Which one of the following is the bandwidth of a GSM channel?

A

100Khz
200Khz
500Khz
1Mhz

98
Q

Which one of the following is the digit length of a UCHV (PUK)?

A

7
8
9
10

99
Q

Which one of the following is the duplex spacing on a GSM 900 network?

A

25Mhz
35Mhz
45Mhz
55Mhz

100
Q

Which one of the following is the first byte identifier value for the Master File in a SIM/UICC?

A

2F
3F
4F
5F

101
Q

Which one of the following is the GPS L1 frequency?

A
  • *1575.42 Mhz**
    1350. 50 Mhz
    1227. 60 Mhz
    1457. 75 Mhz
102
Q

Which one of the following is the identifier value for the Elementary File ICCID in a SIM/UICC?

A

2FE2
3F7D
4FC7
7FD0

103
Q

Which one of the following is the optional Elementary File that is used to store what is commonly known as the mobile telephone number in a SIM/UICC?

A

EFGSM
EFICCID
EFIMSI
EFMSISDN

104
Q

Which one of the following is the second part of an FCC-ID known as?

A

Network Item
ManufacturerID
Equipment Product Code
GranteeCode

105
Q

Which one of the following is the structure of an IMSI?

A

MCC MNC MSIN
MNC MCC MSIN
MSIN MCC MNC
MSIN MNC MCC

106
Q

Which one of the following is the structure of an LAI?

A

MCC MNC LAC
MNC LAC MCC
LAC MCC MNC
MNC MCC CELL ID

107
Q

What is the GPS L1 & L2 frequency?

A
  • L1: 1575.42 Mhz
    Standard Positioning Service (SPS) or Coarse Acquisition Code (C/A code)
  • L2: 1227.60 Mhz
    Precise Positioning Service (PPS)
108
Q

What is ARFCN?

A

Absolute Radio Frequency Carrier Number

The combination of the uplink and downlink carrier in a GSM Network.

109
Q

What is FDD?

A

Frequency Division Duplex

GSM uses separate radio frequency for uplink and downlink between the mobile subscriber and BTS. This technique is known as FDD.

110
Q

Convert the following hex codes for years:

  1. 7DA
  2. 7DB
  3. 7DC
  4. 7E0
  5. 7E2
A
  • 2010
  • 2011
  • 2012
  • 2016
  • 2018

COMP47430_Mobile (13 decks)

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