Please answer all the questions since they are multiples cho

1) Data link layer has responsibility of transferring physical adjacent node over a link? from one node to A. frames B. messages C. segments D. datagram 2) Layer-2 packet is called A. messages B. frames C. segments D. datagram 3) Which communication link has the highest error rates? A. fiber B. copper C. wireless D. Twisted-pair 4) The link layer is implemented in which of the following? A. communication card B. network interface card C. host bus D. none of the above 5) The network layer encapsulates into A. datagram; segments B. segments; datagranm C. message; segments D. segments; message 6) Two key network-layer functions are- A. multiplexing; de-multiplexing B. go-back n; select repeat C. forwarding; routing D. propagation; forwarding 7) Routing algorithm determines- local forwarding at a router B. end-to-end path through network C. values in arriving packets D. none of the above

Solution

1) datagram

2) frame

3) copper

4) network interface card

5) segment , datagram

6) forwarding , routing

7) end-to-end path through network