Which of the following best describes the function(s) of the macsublayer? a. it performs data compression, reformatting, and encryption. b. it appends a node's physical address to frames before they'retransmitted. c. it interprets program requests and requirements to provide aninterface between applications and the network. d. it manages flow control, and issues requests for retransmission ofdata that has suffered errors. e. it translates network addresses into their physical counterpartsand determines routing.