99 - Exam Multiple Choices Flashcards
What does the acronym UICC stand for?
Unified Integral Circuit Card
Unified Integral Credit Card
Universal Integrated Circuit Card
Universal Integrated Credit Card
Which of the following is a common UMTS frequency?
500 Mhz
700 Mhz
1500 Mhz
2100 Mhz
Which of the following SIM data is not protected by a PIN code?
Received calls
ICCID
SMS Entries
IMSI
What are the first eight digits of an IMEI known as?
Major Industry Identifier
Major Industry Identity
Serial Number
Type Allocation Code
Which of the following is the correct code to display a handset IMEI?
“‘06*
#”‘06#
*#06#
*#06*
What does the acronym HLR stand for?
Host Local Register
Home Local Register
Host Location Register
Home Location Register
What are the first two digits of an ICCID known as?
Major Industry Identifier
Major Industry Information
Mobile Industry Identifier
Mobile Industry Identity
Serial Number
Type Alloted Code
Type Allocation Code
Which of the following is not required to produce a (U)SIM-ID clone?
ICCID
IMEI
IMSI
Clone SIM
What is the maximum number of incorrect PUK attempts before a SIM/UICC becomes permanently disabled ?
3
8
10
12
What is the default Motorola handset lock/security code?
00000
000000
0000000
00000000
Which of the following is the conversion of 66base10 to base2?
1000010
1000011
1100010
1100011
Please decode the following reverse nibble string 52210231.
31022152
13201225
15322201
25122013
Which one of the following is not a forensic tool:
Nokia PC Suite
XRY
Cellebrite UFED
Oxygen Forensic
What does the acronym JTAG stand for?
Joint Technical Automation Group
Joint Test Access Group
Joint Technical Assembly Group
Joint Test Action Group
What does the acronym USIM stand for?
Universal Subscription Identification Module
Universal Subscriber Identity Module
Universal Subsystem Identification Module
Universal Subsystem Integrated Module
Which one of the following is the form factor for a Micro-SIM?
1FF
2FF
3FF
4FF
Which one of the following is a component of an FCC-ID?
Country Code
Network Code
Device Code
Product Code
Which one of the following is an interface commonly used to conduct a physical examination of a mobile device?
JTAG
API
NFC
Bluetooth
What is the duplex frequency spacing used on the GSM 1900 Band?
35 Mhz
45 Mhz
85 Mhz
80 Mhz
95 Mhz
What is the length of a GSM time slot?
- *0.577 milliseconds**
1. 154 milliseconds
2. 308 milliseconds
4. 615 milliseconds
Which one of the following is the conversion of 321 base8 to base10?
205
209
254
255
What is the modulation technique used on a GSM network?
8PSK
TDMA
GMSK
CDMA
Which one of the following is the uplink frequency range of GSM 850?
824-849 Mhz
869-894 Mhz
890-915 Mhz
830-855 Mhz
What does the acronym UCHV stand for?
Unified Chip Holder Verifier
Unique Chip Holder Verifier
Unknown Chip Holder Verifier
Unblock Card Holder Verification
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
Which of the following is the correct string sequence to calculate an Apple Unique Device ID?
IMEISerialWiFiBluetooth
SerialIMEIWiFiBluetooth
WiFiIMEISerialBluetooth
SerialWiFiIMEIBluetooth
What is the default Samsung security code?
12345
0000
000000
00000000
What does the acronym SIM stand for?
Subscription Identification Module
Subscription Identity Module
Signalling Identity Module
Subscriber Identity Module
What does the acronym SSN stand for?
Subscriber Signed Number
SIM Serial Number
Subscriber Serial Number
SIM Signed Number
Which of the following is the conversion of 377 base8 to base10?
245
247
254
255
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
Which one of the following is the maximum length of PIN Lock digits?
4
8
9
10
Which one of the following is the system partition size on an iPhone?
1Gb
2Gb
3Gb
4Gb
Which one of the following is a common GSM frequency?
700 Mhz
800Mhz
1800 Mhz
2000Mhz
What is the IMEI ninth through fourteenth digits known as?
Check Digit
Type Allocation Code
Major Industry Identifier
Serial Number
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
Which of the following is a common GSM frequency?
1600Mhz
1800 Mhz
2400Mhz
300 Mhz
Which of the following is the default Sony Ericsson handset lock/security code?
12345
0000
000000
00000000
What does the acronym MSC stand for?
Mobility Service Centre
Mobile Service Centre
Mobility Switching Centre
Mobile Switching Centre
What is the maximum digit length of a PUK?
4
8
10
12
What is the maximum digit length of a PIN?
4
6
8
10
Which of the following is the ASCII representation of the default Nokia Security Code?
3030303030
3132333435
0303030303
1333334353
The MII consists of how many digits in an ICClD?
2
3
4
5
What is the binary equivalent value of 0x84DA?
1110111101111100
1000001011011010
1000100111011010
1000010011011010
The TAC is a component of which of the following?
IMSI
Memory Card
ICCID
IMEI
What is the minimum number of IMEI digits required to uniquely identify an individual mobile phone?
8
14
17
28
Which of the following iPhone models was the Micro SIM first introduced?
iPhone 3
iPhone 3GS
iPhone 4
iPhone 4S
Which of the following is not required to calulate the iPhone Unique Device ID?
ICCID
lMEI
Serial Number
Bluetooth MAC Address
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
Which of the following is not a mobile phone operating system?
Android
Blackberry
Windows Mobile
OSX
Which of the following is a common GSM frequency?
900 Mhz
1600 Mhz
2400 Mhz
100 Mhz
What is the default Samsung handset lock/security code?
0000
000
00000
00000000
000000000
Which of the following is a common removeable media file system format?
Android
FAT
Windows Vista
Symbian
What does the acronym LAI stand for?
Location Area Identifier
Location Area Identifiers
Location Area Identity
Local Area Identity
What does the acronym BSC stand for?
Base Station Combiner
Bulk Station Controller
Base Station Co-ordinator
Base Station Controller
How many Visitor Location Registers can an active subscriber be in on a mobile network?
1
2
3
4
What are the IMEI ninth through fourteenth digits known as?
Major Industry Identifier
Type Allocation Code
Serial Number
Check Digit
Which of the following is a common database format used on smartphones?
Access
SQLite
Oracle
DB2
What is the maximum number of incorrect PUK input attempts before a SIM memory is erased?
7
8
9
10
Which of the following iPhone models does not support device user partition encryption?
iPhone 3
iPhone 3G
iPhone 4
iPhone 4S
In iPhone communications what does the acronym AFC stand for?
Apple Frequency Control
Apple Frequently Connected
Apple File Connection
Applied File Connector
What Hash technique is used to create the iPhone Unique Device ID?
MD5
SHA1
SHA256
SHA512
What is the system partition size on an iPhone?
6Gb
4Gb
2Gb
1Gb
What is the correct value when converting 1000111110101010 binary to hexadecimal?
8ADD
8FAA
8FFA
8AFF
Which of the following is NOT a mobile forensic examination tool?
.XRY
MOBIL Edit
iTUNES
Cellebrite UFED
What data will always be found stored on a SIM?
Received calls
ICCID
SMS Entries
IMEI
Which of the following is the most common UMTS frequency?
900 Mhz
1800 Mhz
2100 Mhz
100 Mhz
What information will NOT be recovered by a forensic tool?
SMS
Mobile device date of manufacture
Bluetooth paired devices
Phonebook and call records
Which of the following is a method of hex extraction?
Bluetooth
Infra Red
JTAG
ESATA
Which of the following is not a common flasher box tool?
SHU
Infinity
Celldek
Vygis
How many digits in a TAC?
2
3
5
8
The Mobile Country Code is made up of how many digits in an IMSI?
2
3
4
5
What is the default Sony Ericsson handset lock/security code?
0000
000
00000
0000000
What does the acronym MVNO stand for?
Major Virtual Network Operator
Mobile Virtual Network Operator
Mobile Virtual Network Operation
Minor Virtual Network Operator
What is the maximum number of incorrect PIN input attempts?
3
4
5
8
What is the digit length of a Personal Unblocking Key (PUK)?
4
5
6
7
8
Which evidential data is more important to investigators when examining a mobile device
Electronic data
Physical data
Depends on the investigation
Neither
Please decode the following reverse nibble string 10177677.
10177677
01716777
77761710
77677101
Which of the following is NOT used for extracting data from a device?
USB
Bluetooth
IR
Compact Disc
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
What information will NOT be recovered by a forensic tool?
The condition of the handset
Images
Bluetooth paired devices
Phonebook and call records
What data will always be found stored on a (U)SIM?
Received calls
SMS Entries
IMEI
IMSI
How many digits should the electronic ICCID have?
8-10
19-20
25-30
30+
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
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
What does the acronym IMSI stand for?
Individual Mobile Standard Identity
Individual Mobile Subscriber Identity
International Mobile Subscriber Identity
International Mobile Standard Identity
What does MNC mean
My Network Code
Mobile Number Code
Mobile National Code
Mobile Network Code
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
Where would you expect to find the TAC code?
IMEI
IMSI
Memory Card
ICCID
Which of the following is NOT a typical phone operating system?
Android
Windows mobile
Windows Vista
Symbian
Which frequency is NOT normally associated with Mobile phone networks?
900 Mhz
1500 Mhz
1800 Mhz
2100 Mhz
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
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
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
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
Which one of the following GNSS does not use Code Division Multiple Access modulation in its transmission signal?
GPS
GLONASS
GALILEO
BDS
Which one of the following is the bandwidth of a GSM channel?
100Khz
200Khz
500Khz
1Mhz
Which one of the following is the digit length of a UCHV (PUK)?
7
8
9
10
Which one of the following is the duplex spacing on a GSM 900 network?
25Mhz
35Mhz
45Mhz
55Mhz
Which one of the following is the first byte identifier value for the Master File in a SIM/UICC?
2F
3F
4F
5F
Which one of the following is the GPS L1 frequency?
- *1575.42 Mhz**
1350. 50 Mhz
1227. 60 Mhz
1457. 75 Mhz
Which one of the following is the identifier value for the Elementary File ICCID in a SIM/UICC?
2FE2
3F7D
4FC7
7FD0
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
Which one of the following is the second part of an FCC-ID known as?
Network Item
ManufacturerID
Equipment Product Code
GranteeCode
Which one of the following is the structure of an IMSI?
MCC MNC MSIN
MNC MCC MSIN
MSIN MCC MNC
MSIN MNC MCC
Which one of the following is the structure of an LAI?
MCC MNC LAC
MNC LAC MCC
LAC MCC MNC
MNC MCC CELL ID
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)
What is ARFCN?
Absolute Radio Frequency Carrier Number
The combination of the uplink and downlink carrier in a GSM Network.
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.
Convert the following hex codes for years:
- 7DA
- 7DB
- 7DC
- 7E0
- 7E2
- 2010
- 2011
- 2012
- 2016
- 2018