Question: Answer True or False to the following statements about Data Link Layer: 1. Providing an acknowledgment for a frame to guarantee service quality is mandatory

Answer True or False to the following statements about Data\ Link Layer:\ 1. Providing an acknowledgment for a frame to guarantee service quality is mandatory in the\ data link layer.\ 2. Error correction is required for Ethernet links that are made of fiber optics.\ 3. The (11,7) Hamming code (recap lecture 9 or textbook Ch. 3.2) can detect up to 2 error bits.\ 4. When we use CRC for error detection, it would be equally efficient to put the CRC in the\ header than in the trailer of a frame, from the senders perspective. (*hint: think about the\ order it has to generate and send out the data field and the CRC.)\ 5. The sliding window protocol selective repeat (recap textbook Ch 3.4 or lecture 10) provides\ both flow control and error control.

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