CS601 Quiz 4 by VU Topper RM

Which one of the following is a correct controlled-access method?

1. Polling
2. Reservation
3. Token Passing
4. All of the given

Correct answer: Reservation

Which one of the following is a Random-Access protocol?

1. TDMA
2. ALOHA
3. CDMA/CA
4. CDMA/CD

Correct answer: ALOHA

What was the main draw back in ALOHA Random-Access method?

1. Potential Collision
2. Redundancy in Data
3. Inconsistent Data rate
4. All of the given

Correct answer: All of the given

The________ method has the highest chance of collision because two or more stations may find the line idle and send their frames immediately. A. p-Persistent B. Non-persistent C. All of the given

D. 1 persistent method

Fast Ethernet has a data rate of ________Mbps.

A. 100

B. 200 C. 300 D. 400 In the context of Ethernet Implementations, maximum medium length of 10 Base-F was __________meters. A. 150 B. 500 C. 1000

D. 2000

____________ works with topologies in which one device is designated as a primary station and the other devices are secondary stations.

A. Polling

B. Token Passing C. Reservation D. None of the given

For Carrier Sense Multiple Access/Collision Detection (CSMA/CD), we need a restriction on the________________.

A. Frame size

B. Signal Size C. Station Size D. Collision size

In Ethernet frame, both destination and sender addresses are of length

A. 1 byte B. 2 bytes C. 4 bytes

D. 6 bytes

DSL stands for __________. A. data switched line B. digital switched line In __________________each band is reserved for a specific station, and it belongs to the station all the time. A. CSMA B. CDMA

C. FDMA

D. TDMA

When we represent the data in CDMA, if a station is idle then it sends______________.

A. 0

B. -1 C. Infinity D. 1

Which one of the following is not a Channelization Protocol?

1. CSMA
2. TDMA
3. FDMA
4. CDMA

Correct answer: CSMA

_____ transmission technology (based on Ethernet) provides a data rate of 1 billion bits per second. A. Fast Ethernet

B. Gigabit Ethernet

C. Standard Ethernet D. 10BASE-T Ethernet

In random access method, when two or more than two nodes transmit frames at the same time then _________________. A. All the frames in collision are lost