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Computer Networks
Cryptography
Q
Voice privacy in GSM cellular telephone protocol is provided by _______
AA. A5/2 cipher
BB. B5/4 cipher
CC. B5/6 cipher
DD. B5/8 cipher
Correct Answer:
A. A. A5/2 cipher
Explanation:
The A5/2 cipher was published in the year 1996 and was cryptanalysed in the same year within a month. It’s use was discontinued from the year 2006 as it was really weak.