8 Network layer connection service is between A two processe

8) Network layer connection service is between? A. two processes B. two hosts C. two sockets D. none of the above 9) Transport layer connection is between A. two sockets B. two hosts C. two processes D. none of the above 10) Network layer sends (or receives)? A. messages B. segments C. datagram D. frame 11) Bit-level transmission (or reception) is at the A. application layer B. transport layer C. network layer D. physical layer 12) Buffering at the router is needed when A. arrival rate exceeds output link speed B. output link speed exceeds arrival rate C. arrival rate is same as output link speed D. None of the above 13) How many interfaces can a host have- A. one B. two C. three D. four 14) Devices in a subnet can physically reach each other without intervening? A. switches B. routers C. hubs D. none of the above 15) Transport services and protocols providebetween different hosts running on A. physical communication; processes B. physical communication; datagram C. logical communication; processes D. logical communication; datagram

Solution

8)b.two hosts

9.b.two processes

10.a.messages

11.d.physical layer

12.a.arrival rate exceeds output link speed

13.b.two

14)b.routers

15)c.logical communication;processes