1. The station-to-hub distance in which of the following is 2000 meters ?

100 Base-TX

100 Base-FX

100 Base - T4

100 Base - T1

2. Which of the following is not a transceiver function?

Transmission and receipt of data

Checking of line voltages

Addition and subtraction of headers

Collision detection

3. In Token Ring, when a frame reaches its destination station, then

message is copied

four bits in the packet are changed

message is taken of the ring and replaced by the token

both (a) and (b)

4. What can happen at a Token Ring station

Examination of the destination address

Regeneration of the frame

Passing of the frame to the next station

All of these

5. The monitor station in what standard ensures that one and only one token is circulating ?

802.3

802.5

Both (a) and (b)

All of these

6. What uses a physical star topology ?

10 base 5

10 base 2

10 base T

None of these

7. Frequency range at which the land coaxial cables are used, is

106 to 108 Hz

1010 to 1011 Hz

103 to 104 Hz

None of these

8. In a broad sense, a railway track is an example of

simplex

half-duplex

full-duplex

All of these

9. Bit stuffing refers to

inserting a '0' in user stream to differentiate it with a lag

inserting a '0' in lag stream to avoid ambiguity

appending a nibble to the lag sequence

appending a nibble to the use data stream

10. Unmodulated signal coming from a transmitter is known as

carrier signal

baseband signal

primary singal

None of these