Question 11 : Frequency modulation technique involves
1. Data modulation
2. Frequency hopping modulation
3. Data & Frequency hopping modulation
4. None of the mentioned
View Answer   Discuss with Members

Question 12 : TWTA which operates in the linear region
1. Reduces interference
2. Provide less overall power
3. Is power limited
4. All of the mentioned
View Answer   Discuss with Members

Question 13 : Processing gain is the ratio of message bandwidth to signal bandwidth.
1. True
2. False
3.
4.
View Answer   Discuss with Members

Question 14 : Binary tree search is used for
1. Multiple users
2. Single users
3. Single & Multiple users
4. None of the mentioned
View Answer   Discuss with Members

Question 15 : Bit stuffing is done by inserting _____, after ____ consecutive ones.
1. Zero, seven
2. Zero, five
3. One, seven
4. One, five
View Answer   Discuss with Members

Question 16 : Which has a lesser average packet delay?
1. FDMA
2. TDMA
3. Dynamic FDMA
4. None of the mentioned
View Answer   Discuss with Members

Question 17 : In which modulation schemes, the spreading of spectrum occurs?
1. Frequency modulation
2. Amplitude modulation
3. Frequency & Amplitude modulation
4. None of the mentioned
View Answer   Discuss with Members

Question 18 : Which isolates collision?
1. Bridges
2. Routers
3. Bridges & Routers
4. None of the mentioned
View Answer   Discuss with Members

Question 19 : In Aloha technique, the re-transmission takes place immediately.
1. True
2. False
3.
4.
View Answer   Discuss with Members

Question 20 : A local area network can be used to interconnect
1. Computers
2. Terminals
3. Printers
4. All of the mentioned
View Answer   Discuss with Members