The Cellular Network Forensic MCQ is the 2nd part of the 4th topic in section 1, Basic and Fundamental Concepts from our systematically designed Mobile Forensic MCQ Series.
Attention Users:
For systematic learning, please prefer to check the index page of the MCQs in Mobile Cell Forensic. (Index Page of Mobile Forensic)
The Cellular Network Forensic MCQ Questions
This section of mobile forensics included 37 MCQs questions along with answers and their explanations.
1. What is IMSI stands for?
- Internet Mobile Subscriber Identifier
- International Mobile Subscriber Identity
- Internet Machine Subscriber Identity
- International Machine Substitute Identifier
Answer & Explanation
Answer: (2) International Mobile Subscriber Identity
Explanation:
IMSI is a unique number that is associated with the GSM (Global System for Mobile Communications) and UMTS (Universal Mobile Telecommunications System) network mobile phone users.
2. The IMSI value is associated with
- Mobile device
- SIM Card
- Mobile Processor
- WI-FI Serial Number
Answer & Explanation
Answer: (2) SIM card
Explanation:
IMSI number is associated with the SIM Card. This number can be used to identify the subscriber of the SIM.
3. Assertion (A): All Types of Sim have IMSI number on SIM itself.
Reason (R): IMSI can be used for the identification of the SIM module.
- Both (A) and (R) are correct
- (A) is correct, but (R) is incorrect
- Both (A) and (R) are incorrect
- (A) is incorrect, but (R) is correct.
Answer & Explanation
Answer: (4) (A) is incorrect, but (R) is correct.
Explanation:
Some devices like CDMA LTE devices or pay-as-you-go devices (burner phones) does not store IMSI number on SIM.
4. How many digits are in the string of IMSI numbers?
- 15
- 16
- 17
- 18
Answer & Explanation
Answer: (1) 15
Explanation:
IMSI usually has 15 digits strings.
5. Which of the following is NOT the part of the IMSI number of SIM?
- Mobile Country Code
- Mobile Network Code
- Mobile Check Digit
- Mobile Station Identification Number
Answer & Explanation
Answer: (3) Mobile Check Digit
Explanation:
IMSI number has a:
-> 3-digit Mobile Country Code (MCC),
-> a 3-digit Mobile Network Code (MNC), and
-> the next 9-digit to be a Mobile Station Identification Number.
The check digit is not a part of the IMSI number.
6. ICCID value is stored on
- Mobile device only
- SIM cards
- Wifi Adaptors
- Mobile Atom Processor
Answer & Explanation
Answer: (2) SIM cards
Explanation:
ICCID is a unique serial number that is stored on a SIM card.
7. Which number is commonly printed on the SIM cards?
- IMSI number
- ICCID Number
- Both (1) and (2)
- None of the above
Answer & Explanation
Answer: (2) ICCID Number
Explanation:
ICCID number is generally printed on the SIM module.
8. What is the length of the ICCID number?
- 18
- 19
- 20
- Both 19 or 20
Answer & Explanation
Answer: (4) Both 19 or 20
Explanation:
ICCID number length can be 19 or 20 characters.
While a 19 digit ICCID number includes:
-> the Issuer Identification Number (IIN),
-> the Individual Account Identification, and
-> a Check Digit.
And in case of a 20 digit ICCID number, it has an additional Checksum digit.
9. ICCID number comprised of
- Industry Identifier Number (IIN)
- Individual Account Information
- Check digit
- All of the above
Answer & Explanation
Answer: (4) All of the above
Explanation:
No explanation for this Cellular Network Forensic MCQ question
10. Assertion (A): In the case of locked SIM, ICCID value has a major advantage over IMSI value.
Reason (R): ICCID value is readable while the IMSI value remains unreadable due to security lock.
- Both (A) and (R) are correct
- (A) is correct, but (R) is incorrect
- Both (A) and (R) are incorrect
- (A) is incorrect, but (R) is correct.
Answer & Explanation
Answer: (1) Both (A) and (R) are correct
Explanation:
By depicting the ICCID value, a forensic examiner can use advanced forensic techniques to evaluate the SIM’s IMSI value. In addition, an ICCID value can also be used to create a cloned forensic SIM.
11. What is the full form of MDN?
- Mobile Directory Number
- Mobile Dialing Number
- Mobile Data Number
- Both (1) & (2)
Answer & Explanation
Answer: (4) Both (1) & (2)
Explanation:
MDN stands for both Mobile Directory Number and Mobile Dialing Number.
It is a number that is used to call the handset on a wireless network.
12. Which is NOT true for MIN?
- It is abbreviated as Mobile Identification Number.
- MIN is also referred to as Mobile Subscription Identification Number.
- MIN is used to identify a Mobile Station (MS).
- It can be used to trace the device using active GPS connections.
Answer & Explanation
Answer: (4) It can be used to trace the device using active GPS connections.
Explanation:
No explanation for this Cellular Network Forensic MCQ question
13. Assertion (A): MIN is the derivative of IMSI and used to identify the device on the network.
Reason (R): MIN is used to identify a Mobile station (MS)
- Both (A) and (R) are correct
- (A) is correct, but (R) is incorrect
- Both (A) and (R) are incorrect
- (A) is incorrect, but (R) is correct
Answer & Explanation
Answer: (1) Both (A) and (R) are correct
Explanation:
No explanation for this Cellular Network Forensic MCQ question
14. Assertion (A): The Mobile station is a device that is used for placing a call.
Reason (R): MS uses a handset and SIM to connect with the network.
- Both (A) and (R) are correct
- (A) is correct, but (R) is incorrect
- Both (A) and (R) are incorrect
- (A) is incorrect, but (R) is correct
Answer & Explanation
Answer: (1) Both (A) and (R) are correct
Explanation:
Mobile Station uses a cellular handset and the SIM to connect to the cellular networks.
15. The handset along with SIM is called
- Mobile Equipment (ME)
- User Equipment (UE)
- Communication Equipment (CE)
- Both (1) and (2)
Answer & Explanation
Answer: (4) Both Mobile Equipment or User Equipment
Explanation:
Mobile Equipment or User Equipment is a term that defines the amalgamation of the handset and the SIM.
answers in Q21 and Q22 are contradictory.
I think you’re talking about Q20 and Q21. It is updated.