Q. In Go-Back-N ARQ, if frames 4, 5, and 6 are received successfully, the receiver may send an ACK _______ to the sender.

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Q. ARQ stands for _______.

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Q. For Stop-and-Wait ARQ, for 10 data packets sent, _______ acknowledgments are needed.

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Q. HDLC is an acronym for _______.

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Q. Data link control deals with the design and procedures for ______ communication.

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Q. _______ in the data link layer separates a message from one source to a destination, or from other messages going from other sources to other destinations.

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Q. In _______ framing, there is no need for defining the boundaries of frames.

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Q. In ________ framing, we need a delimiter (flag) to define the boundary of two frames.

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Q. In a ________ protocol, the data section of a frame is a sequence of characters.

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Q. In a _________ protocol, the data section of a frame is a sequence of bits.

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Q. In _________ protocols, we use ________.

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Q. Byte stuffing means adding a special byte to the data section of the frame when there is a character with the same pattern as the ______.

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Q. In ________ protocols, we use ________.

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Q. Bit stuffing means adding an extra 0 to the data section of the frame when there is a sequence of bits with the same pattern as the ________.

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Q. ______ control refers to methods of error detection and correction.

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Q. The Simplest Protocol and the Stop-and-Wait Protocol are for ______ channels.

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Q. The ____ Protocol has neither flow nor error control.

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Q. The _______Protocol has flow control, but not error control.

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Q. The _______Protocol has both flow control and error control.

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Q. In the _____ Protocol, the sender sends its frames one after another with no regard to the receiver.

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