In satellite communication, multiple repeaters are known as:
- (A) Multiplexer
- (B) Transponders
- (C) Modulator
- (D) Sub-tractor
- (B) Transponders
The number of zeros odd parity coded symbol is:
- (A) Odd or even
- (B) Multiple of 3
- (C) a and b both
- (D) Unknown
- (A) Odd or even
Communications monitors obtainable on the software marked consist of:
- (A) TOTAL
- (B) BPL
- (C) ENVIRON/1
- (D) Visual session
- (C) ENVIRON/1
Which one of the following is an example of an analog communication method?
- (A) Antenna beam
- (B) Microwave
- (C) Digital line
- (D) All of the above
- (D) All of the above
Baudot code contains how many bits per symbol:
- (A) 7
- (B) 3
- (C) 5
- (D) 10
- (C) 5
What is the main diversity between SDLC and DDCMP?
- (A) DDCMP does not need particular hardware to final the start of a message
- (B) SDLC does not use CRC for error correction
- (C) SDLC has a MAC address
- (D) DDCMP has an optional header
- (A) DDCMP does not need particular hardware to final the start of a message
An example of digital communication is:
- (A) DDA
- (B) DDS
- (C) DLD
- (D) DDT
- (B) DDS
Terminals are required for which of the following?
- (A) Real-time, batch processing
- (B) Real time, distributed message processing
- (C) Real time, distributed processing
- (D) Real-time, time sharing & message switching
- (D) Real-time, time sharing & message switching
The receiver equalizer technique decreases delay distortion by means of:
- (A) Transformer
- (B) Tapped delay lines
- (C) Low pass filter
- (D) Efficient engine
- (B) Tapped delay lines
What is the name of the receive equalizer in a synchronous modem?
- (A) Compromise equalizer
- (B) Impairment equalizer
- (C) Medium equalizer
- (D) Adaptive equalizer
- (D) Adaptive equalizer