20 Jan Question 10 IEEE has defined

COM548 Advanced Networking Protocols

EXAM 3

Question 1 __________ is a technique where a new task will be started before the old task is finished.

Question 1 options:

Suppressing

Waiting

Pipelining

Queueing

Question 2 When two or more bits in a data unit have been changed during the transmission, the error is called __________.

Question 2 options:

random error

burst error

inverted error

none of the above

Question 3 Which of the following is not a characteristic of token passing in a broadcast channel of rate R bits per second?

Question 3 options:

When only one node has data to send, that node has a throughput of R bps.

When M nodes have data to send, each of these nodes has a throughput of R/M bps.

The protocol is decentralized.

None of the above.

Question 4 The advantage of the polling protocol is in __________ prevention by controlling the media and letting only one station send it frames at a time.

Question 4 options:

collision

error

competition

throttling

Question 5 Suppose that N switches supporting VLAN groups are to be connected via a trunking protocol. How many ports are needed to connect the switches?

Question 5 options:

2N-1

2N-2

2N

2N+1

Question 6 Signal blurred during transmission is caused by __________.

Question 6 options:

multipath

path loss

crosstalk

interference

Question 7 RTS threshold is used when a data frame is greater than a predefined threshold.

Question 7 options:

True

False

Question 8 Can any laptop be used as an Access Point in default configuration?

Question 8 options:

No

Yes

Question 9 Is it possible for the two mobile nodes to use the same care-of-address in mobile IP?

Question 9 options:

True

False

Question 10 IEEE has defined the specifications for a wireless LAN, called ____________, which covers the physical and data link layers.

Question 10 options:

IEEE 802.5

IEEE 802.2

IEEE 802.3

IEEE 802.11