Problem 5 (14pt) (a) i. Does a wireless link use reliable delivery service? [Ipt i. If two computers wan to have reliable delivery over Ethernet links,in which layer they should use a reliable communication protocol? [Ipt] (b) Five stations use TDMA to fairly share a channel. Suppose the channel bandwidth is 10Mbps. If only two stations transmit in the past second. Then how many data can they transmit at most in the past second, respectively? [2pt (c) What is the multiple access protocol of Ethernet, including the backoff mechanism? [2pt] (d) How does a router get is forwarding table? How does a switch get its forwarding table? [2pt) (e) In the following example 19-80-02-C7-56-2A 74-29-9C-E&-FF-55 222 222 222 220 A-23-F9-CD-05-9 8-82 2-54-1A F CC-43-0E-D0A8-70 7-88-16