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Q. The frequency of the modulated signal is constant for the duration of one signal element, but changes for the next signal element if the data element changes. Both peak amplitude and phase remain constant for all signal elements. This is

Q. Message _______ means that the receiver is ensured that the message is coming from the intended sender, not an imposter.

Q. A(n) _________ can be used to preserve the integrity of a document or a message.

Q. IGMP is _______ protocol.

Q. In a Go-Back-N ARQ, if the window size is 63, what is the range of sequence numbers?

Q. The maximum size of payload field in Ethernet frame is

Q. In the sending computer, UDP sends a data unit to the _______ layer.

Q. In _________ protocols, we use ________.

Q. Which one of the following algorithm is not used for congestion control?

Q. The ASCII encoding of binary data is called