Computer Networks: CT-2

1. All configurations in gigabit Ethernet are

a) Broadcast (b) Point-to-point (c) multidrop cable

2. The MAC sub layer is especially important in

a) LANs (b) MANs (c) WANs.

3. In which protocol a station is not permitted to send whenever a frame is ready

a) Pure ALOHA (b) TDM (c) Slotted ALOHA

4. The widely used protocol on LANs is

a) CSMA (b) bit-map (c) CSMA/CD

5. A switch is most often used to connect

a) Individual Computers (b) different LANs (c) cable segments of a LAN

6. Error control is done by:

a) Source (b) destination (c) both of source and destination.

7. Which is not connected with Ethernet cable topologies:

a) Point-to-Point (b) Linear (c) Segmented.

8. The Length of MAC address is

a) 6 Byte (b) 8 byte (c) 4 byte.

9. When the Ethernet frame format uses the pad field? : if the data field length is

a) Less than 64 byte (b) Less than 46 byte (c) Equal to 1500 byte.

10. In sliding window techniques destination acknowledges a frame by sending acknowledgement with sequence

number of

a) Last frame received (b) Next frame expected (c) each frame received.