MCQ Bank
We need more _______ for error correction than for error detection.
- A) Corrupted bytes
- B) Redundant bits
- C) Error codes
- D) Tables
The _____________ shows the value of the bit in CRC technique.
- A) Position
- B) Coefficient
- C) Size
- D) Number
A circuit consisting of ______ gates and a shift register is called a linear feedback shift register (LFSR).
- A) XOR
- B) AND
- C) NOR
- D) OR
Linear Feedback Shift Register can run at high speeds, this is important because the ______is higher than the data rate.
- A) Error Rate
- B) SNR Rate
- C) Spreading rate
- D) Noise Rate
_____________ is common in parallel transmission.
- A) Single bit error
- B) Polynomial
- C) Burst error
- D) CRC
In cellular network cells are _________ in shape
- A) Circular
- B) Square
- C) Hexagonal
- D) Triangle
A matrix of squares cells would be the simplest layout to define _________________ geometries.
- A) Network
- B) Cellular
- C) Antenna
- D) Station
___________ is a circle that divides the surface of an object into two equal halves.
- A) Elevation angle
- B) Longitude
- C) Latitude
- D) An equator
It is best if all adjacent ______________are equidistant.
- A) Networks
- B) Antennas
- C) Stations
- D) Satellite
Theoretically ____ geostationary satellites provides 100% earth coverage.
- A) 5
- B) 6
- C) 4
- D) 3
In context of Selective Repeat ARQ, receiver requires ________ to contain out-of-order frames until the frame in error is correctly received.
- A) Storage buffers
- B) Large window
- C) MTU
- D) Logic circuitry
The link from an earth station to the satellite is referred to as
- A) Downlink
- B) Shared link
- C) Uplink
- D) Dedicated link
In context of Capacity Allocation Strategies, TDMA stands for _________.
- A) Term Division Multiple Access
- B) Term Disk Multiple Access
- C) Time Disk Multiple Access
- D) Time Division Multiple Access
In context of Go-back-N ARQ, if the destination detects error in a frame, or it receives a frame out of order, it sends a(n) _____for that frame.
- A) NAK
- B) ACK
- C) Copy
- D) Parity bit
Lines of ________ run between the North and South Poles. They measure east-west position.
- A) Latitude
- B) Longitude
- C) Elevation angle
- D) An equator
In context of Go-back-N ARQ, the number of un-acknowledgment frames outstanding is determined by_______, using the sliding-window flow control technique.
- A) Window size
- B) Lost frames size
- C) Data size
- D) Acknowledgment size
In context of FDMA types, FAMA stands for _______________.
- A) First Assignment Multiple Access
- B) First Allocation Multiple Attempt
- C) Fixed Assignment Multiple Access
- D) Fixed Allocation Multiple Attempt
The antenna systems near the earth are referred to as ___________.
- A) Antenna station
- B) Earth station
- C) Equator system
- D) Transponder system
Lines of _______ measure north-south position between the poles.
- A) Latitude
- B) An equator
- C) Elevation angle
- D) Longitude
In_________, the entire bandwidth is available to the user but only for a finite period of time.
- A) TDMA
- B) FDMA
- C) NDMA
- D) CDMA