Gate Exam

Which of the following transport layer protocols is used to support electronic mail?

option
(A) SMTP
(B) IP
(C) TCP
(D) UDP

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Gate Other Question

Consider a random variable X that takes values +1 and -1 with probability 0.5 each. The values of the cumulative distribution function F(x) at x = -1 and +1 are

option
(A) 0 and 0.5
(B) 0 and 1
(C) 0.5 and 1
(D) 0.25 and 0.75
In the IPv4 addressing format, the number of networks allowed under Class C addresses is
(A) 2^14
(B) 2^7
(C) 2^21
(D) 2^24