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Which of the following is a security feature of Global Systems for Mobile Communications (GSM)?

Which of the following is a security feature of Global Systems for Mobile Communications (GSM)?

PrepAway - Latest Free Exam Questions & Answers

A.
It uses a Subscriber Identity Module (SIM) for authentication.

B.
It uses encrypting techniques for all communications.

C.
The radio spectrum is divided with multiple frequency carriers.

D.
The signal is difficult to read as it provides end-to-end encryption.


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