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
2
Q
Which of the following is a common UMTS frequency?
A
500 Mhz
700 Mhz
1500 Mhz
2100 Mhz
3
Q
Which of the following SIM data is not protected by a PIN code?
A
Received calls
ICCID
SMS Entries
IMSI
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
5
Q
Which of the following is the correct code to display a handset IMEI?
A
“‘06*
#”‘06#
*#06#
*#06*
6
Q
What does the acronym HLR stand for?
A
Host Local Register
Home Local Register
Host Location Register
Home Location Register
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
8
Q
Which of the following is not required to produce a (U)SIM-ID clone?
A
ICCID
IMEI
IMSI
Clone SIM
9
Q
What is the maximum number of incorrect PUK attempts before a SIM/UICC becomes permanently disabled ?
A
3
8
10
12
10
Q
What is the default Motorola handset lock/security code?
A
00000
000000
0000000
00000000
11
Q
Which of the following is the conversion of 66base10 to base2?
A
1000010
1000011
1100010
1100011
12
Q
Please decode the following reverse nibble string 52210231.
A
31022152
13201225
15322201
25122013
13
Q
Which one of the following is not a forensic tool:
A
Nokia PC Suite
XRY
Cellebrite UFED
Oxygen Forensic
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
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
16
Q
Which one of the following is the form factor for a Micro-SIM?
A
1FF
2FF
3FF
4FF
17
Q
Which one of the following is a component of an FCC-ID?
A
Country Code
Network Code
Device Code
Product Code
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
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
20
Q
What is the length of a GSM time slot?
A
- *0.577 milliseconds**
1. 154 milliseconds
2. 308 milliseconds
4. 615 milliseconds
21
Q
Which one of the following is the conversion of 321 base8 to base10?
A
205
209
254
255
22
Q
What is the modulation technique used on a GSM network?
A
8PSK
TDMA
GMSK
CDMA
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
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
25
Which one of the following is the virtual machine used in Android prior to version 5.0?
**Dalvik**
Android VM
Android Run Time
XMPP Service
26
Which of the following is the correct string sequence to calculate an Apple Unique Device ID?
IMEISerialWiFiBluetooth
**SerialIMEIWiFiBluetooth**
WiFiIMEISerialBluetooth
SerialWiFiIMEIBluetooth
27
What is the default Samsung security code?
12345
0000
000000
**00000000**
28
What does the acronym SIM stand for?
Subscription Identification Module
Subscription Identity Module
Signalling Identity Module
**Subscriber Identity Module**
29
What does the acronym SSN stand for?
Subscriber Signed Number
**SIM Serial Number**
Subscriber Serial Number
SIM Signed Number
30
Which of the following is the conversion of 377 base8 to base10?
245
247
254
**255**
31
What is the name of the component of a mobile network that maintains a record of stolen or non-approved handsets?
Equipment Authentication Centre
Equipment Identified Register
**Equipment Identity Register**
User Authentication Centre
32
Which one of the following is the maximum length of PIN Lock digits?
4
**8**
9
10
33
Which one of the following is the system partition size on an iPhone?
1Gb
2Gb
3Gb
**4Gb**
34
Which one of the following is a common GSM frequency?
700 Mhz
800Mhz
**1800 Mhz**
2000Mhz
35
What is the IMEI ninth through fourteenth digits known as?
Check Digit
Type Allocation Code
Major Industry Identifier
**Serial Number**
36
Which one of the following Mobile Network components stores a temporary database of subscribers operating in a specific area?
Home Location Register
Equipment Identity Register
**Visitor Location Register**
Device Location Register
37
Which of the following is a common GSM frequency?
1600Mhz
**1800 Mhz**
2400Mhz
300 Mhz
38
Which of the following is the default Sony Ericsson handset lock/security code?
12345
**0000**
000000
00000000
39
What does the acronym MSC stand for?
Mobility Service Centre
Mobile Service Centre
Mobility Switching Centre
**Mobile Switching Centre**
40
What is the maximum digit length of a PUK?
4
**8**
10
12
41
What is the maximum digit length of a PIN?
4
6
**8**
10
42
Which of the following is the ASCII representation of the default Nokia Security Code?
3030303030
**3132333435**
0303030303
1333334353
43
The MII consists of how many digits in an ICClD?
**2**
3
4
5
44
What is the binary equivalent value of 0x84DA?
1110111101111100
1000001011011010
1000100111011010
**1000010011011010**
45
The TAC is a component of which of the following?
IMSI
Memory Card
ICCID
**IMEI**
46
What is the minimum number of IMEI digits required to uniquely identify an individual mobile phone?
8
**14**
17
28
47
Which of the following iPhone models was the Micro SIM first introduced?
iPhone 3
iPhone 3GS
**iPhone 4**
iPhone 4S
48
Which of the following is not required to calulate the iPhone Unique Device ID?
**ICCID**
lMEI
Serial Number
Bluetooth MAC Address
49
What is the name of the protocol used by iTunes to connect to an iPhone?
Apple File Control
**Apple File Connection**
Apple File Connector
Apple File Controller
50
Which of the following is not a mobile phone operating system?
Android
Blackberry
Windows Mobile
**OSX**
51
Which of the following is a common GSM frequency?
**900 Mhz**
1600 Mhz
2400 Mhz
100 Mhz
52
What is the default Samsung handset lock/security code?
0000
000
00000
**00000000**
000000000
53
Which of the following is a common removeable media file system format?
Android
**FAT**
Windows Vista
Symbian
54
What does the acronym LAI stand for?
**Location Area Identifier**
Location Area Identifiers
Location Area Identity
Local Area Identity
55
What does the acronym BSC stand for?
Base Station Combiner
Bulk Station Controller
Base Station Co-ordinator
**Base Station Controller**
56
How many Visitor Location Registers can an active subscriber be in on a mobile network?
**1**
2
3
4
57
What are the IMEI ninth through fourteenth digits known as?
Major Industry Identifier
Type Allocation Code
**Serial Number**
Check Digit
58
Which of the following is a common database format used on smartphones?
Access
**SQLite**
Oracle
DB2
59
What is the maximum number of incorrect PUK input attempts before a SIM memory is erased?
7
8
9
**10**
60
Which of the following iPhone models does not support device user partition encryption?
**iPhone 3**
iPhone 3G
iPhone 4
iPhone 4S
61
In iPhone communications what does the acronym AFC stand for?
Apple Frequency Control
Apple Frequently Connected
**Apple File Connection**
Applied File Connector
62
What Hash technique is used to create the iPhone Unique Device ID?
MD5
**SHA1**
SHA256
SHA512
63
What is the system partition size on an iPhone?
6Gb
**4Gb**
2Gb
1Gb
64
What is the correct value when converting 1000111110101010 binary to hexadecimal?
8ADD
**8FAA**
8FFA
8AFF
65
Which of the following is NOT a mobile forensic examination tool?
.XRY
MOBIL Edit
**iTUNES**
Cellebrite UFED
66
What data will always be found stored on a SIM?
Received calls
**ICCID**
SMS Entries
IMEI
67
Which of the following is the most common UMTS frequency?
900 Mhz
1800 Mhz
**2100 Mhz**
100 Mhz
68
What information will NOT be recovered by a forensic tool?
SMS
**Mobile device date of manufacture**
Bluetooth paired devices
Phonebook and call records
69
Which of the following is a method of hex extraction?
Bluetooth
Infra Red
**JTAG**
ESATA
70
Which of the following is not a common flasher box tool?
SHU
Infinity
**Celldek**
Vygis
71
How many digits in a TAC?
2
3
5
**8**
72
The Mobile Country Code is made up of how many digits in an IMSI?
2
**3**
4
5
73
What is the default Sony Ericsson handset lock/security code?
**0000**
000
00000
0000000
74
What does the acronym MVNO stand for?
Major Virtual Network Operator
**Mobile Virtual Network Operator**
Mobile Virtual Network Operation
Minor Virtual Network Operator
75
What is the maximum number of incorrect PIN input attempts?
**3**
4
5
8
76
What is the digit length of a Personal Unblocking Key (PUK)?
4
5
6
7
**8**
77
Which evidential data is more important to investigators when examining a mobile device
Electronic data
Physical data
**Depends on the investigation**
Neither
78
Please decode the following reverse nibble string 10177677.
10177677
**01716777**
77761710
77677101
79
Which of the following is NOT used for extracting data from a device?
USB
Bluetooth
IR
**Compact Disc**
80
What is the benefit of using a SIM cloner?
To use in another handset
To deny Network access
**To allow Network access**
To obtain the PIN
81
What information will NOT be recovered by a forensic tool?
**The condition of the handset**
Images
Bluetooth paired devices
Phonebook and call records
82
What data will always be found stored on a (U)SIM?
Received calls
SMS Entries
IMEI
**IMSI**
83
How many digits should the electronic ICCID have?
8-10
**19-20**
25-30
30+
84
Which Digits of the IMSI are necessary to clearly identify the Network operator?
First Three
**First Five to Six**
Network Operator is not contained within the IMSI
85
Which is the best method of identifying the (U)SIM of a device?
**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
What does the acronym IMSI stand for?
Individual Mobile Standard Identity
Individual Mobile Subscriber Identity
**International Mobile Subscriber Identity**
International Mobile Standard Identity
87
What does MNC mean
My Network Code
Mobile Number Code
Mobile National Code
**Mobile Network Code**
88
What do the first 4 – 5 digits of an ICCID identify stand for?
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
Where would you expect to find the TAC code?
**IMEI**
IMSI
Memory Card
ICCID
90
Which of the following is NOT a typical phone operating system?
Android
Windows mobile
**Windows Vista**
Symbian
91
Which frequency is NOT normally associated with Mobile phone networks?
900 Mhz
**1500 Mhz**
1800 Mhz
2100 Mhz
92
Which one of the following does the acronym CDMA stand for?
**Code Division Multiple Access**
Coded Direct Modulated Access
Combined Dual Mobile Amplifier
Combination Data Mobile Access
93
Which one of the following does the acronym GPRS stand for?
Global Positioning Radio System
General Position Radio Station
Generic Protocol Radio Service
**General Packet Radio Service**
94
Which one of the following does the acronym PTMSI stand for?
Public Telecommunications Mobile Station Indicator
Private True Magnetic Switch Identifier
**Packet Temporary Mobile Subscriber Identity**
Packet Technical Mobile Switch ID
95
Which one of the following does the acronym TDMA stand for?
True Direct Modulated Access
**Time Division Multiple Access**
Temporal Dual Mobile Amplifier
Tagged Data Mobile Access
96
Which one of the following GNSS does not use Code Division Multiple Access modulation in its transmission signal?
GPS
**GLONASS**
GALILEO
BDS
97
Which one of the following is the bandwidth of a GSM channel?
100Khz
**200Khz**
500Khz
1Mhz
98
Which one of the following is the digit length of a UCHV (PUK)?
7
**8**
9
10
99
Which one of the following is the duplex spacing on a GSM 900 network?
25Mhz
35Mhz
**45Mhz**
55Mhz
100
Which one of the following is the first byte identifier value for the Master File in a SIM/UICC?
2F
**3F**
4F
5F
101
Which one of the following is the GPS L1 frequency?
* *1575.42 Mhz**
1350. 50 Mhz
1227. 60 Mhz
1457. 75 Mhz
102
Which one of the following is the identifier value for the Elementary File ICCID in a SIM/UICC?
**2FE2**
3F7D
4FC7
7FD0
103
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?
EFGSM
EFICCID
EFIMSI
**EFMSISDN**
104
Which one of the following is the second part of an FCC-ID known as?
Network Item
ManufacturerID
**Equipment Product Code**
GranteeCode
105
Which one of the following is the structure of an IMSI?
**MCC MNC MSIN**
MNC MCC MSIN
MSIN MCC MNC
MSIN MNC MCC
106
Which one of the following is the structure of an LAI?
**MCC MNC LAC**
MNC LAC MCC
LAC MCC MNC
MNC MCC CELL ID
107
What is the GPS L1 & L2 frequency?
* **L1: 1575.42 Mhz**
Standard Positioning Service (SPS) or Coarse Acquisition Code (C/A code)
* **L2: 1227.60 Mhz**
Precise Positioning Service (PPS)
108
What is ARFCN?
**Absolute Radio Frequency Carrier Number**
The combination of the uplink and downlink carrier in a GSM Network.
109
What is FDD?
**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
Convert the following hex codes for years:
1. 7DA
2. 7DB
3. 7DC
4. 7E0
5. 7E2
* 2010
* 2011
* 2012
* 2016
* 2018
