Question 1 (1 point) d A link layer address is sometimes called a 1) link address 2) physical address 3) MAC address 4) All of the above Save Question 2 (1 point) E A packet at the data link layer is called a 1) frame 2) packet 3) cell 4) payload Save Question 3 (1 point) techniques are used to correct data or reproduce the packet immediately acket. of waiting for a retransmission of a p 1) FEC 2) Checksum 3) CRC 4) Cluster coding instead Save Question 4 (1 point) contain the dataword plus r redundant bits. 1) datawords 2) codewords 3) messagewords 4) words