1. A file is downloaded in a home computer using a 56
kbps MODEM connected to an Internet Service Provider. If the download of
file completes in 2 minutes, what is the maximum size of date
downloaded?
(A) 112 Mbits
(B) 6.72 Mbits
(C) 67.20 Mbits
(D) 672 Mbits
2. In_____CSMA protocol, after the station finds the line idle, it sends or refrains from sending based on the outcome of a random generator.
(A) Non-persistent
(B) 0-persistent
(C) 1-persistent
(D) p-persistent
3. Which of the following substitution technique have the relationship between a character in the plaintext and a character in the ciphertext as one-to-many?
(A) Monoalphabetic
(B) Polyalphabetic
(C) Transpositional
(D) None of the above
(A) 112 Mbits
(B) 6.72 Mbits
(C) 67.20 Mbits
(D) 672 Mbits
2. In_____CSMA protocol, after the station finds the line idle, it sends or refrains from sending based on the outcome of a random generator.
(A) Non-persistent
(B) 0-persistent
(C) 1-persistent
(D) p-persistent
3. Which of the following substitution technique have the relationship between a character in the plaintext and a character in the ciphertext as one-to-many?
(A) Monoalphabetic
(B) Polyalphabetic
(C) Transpositional
(D) None of the above
Thanks for help ugc net question answer
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