Question:

Which of the following refers to a communications specification that was approved in early 2002 by the Institute of Electrical and Electronics Engineers Standards Association (IEEE-SA) for wireless personal area networks (WPANs)?

A.

802.11a

B.

802.15

C.

802.11b

D.

none of the above

Answer» b. 802.15

Question:

In ………. a route is selected for each destination pair of nodes in the network.

A.

flooding

B.

variable routing

C.

fixed routing

D.

random routing

Answer» c. fixed routing

Question:

in case of exposed terminal problem

A.

two senders are in the communication range of each other

B.

two senders are not in the communication range of each other

C.

independent of sender range

D.

two receivers are in the communication range of each other

Answer» a. two senders are in the communication range of each other