1) In Electronic Switching Centre (ESC), the transmission rate of X.25 protocol is ____9.6 Kbps.
a. Less than
b. Equal to
c. Greater than
d. None of the above
|
Answer
Explanation
|
ANSWER: Greater than
Explanation:
No explanation is available for this question!
|
|
2) In cellular telephone network, which component controls the switching between public wireline telephone network and the base station of cells for supporting the different calls between landline to mobile, mobile to landline and mobile to mobile calls?
a. Electronic Switching Center (ESC)
b. A Cell Controller
c. Radio Transmitter & Receiver
d. A common communication protocol
|
Answer
Explanation
|
ANSWER: Electronic Switching Center (ESC)
Explanation:
No explanation is available for this question!
|
|
3) Which among the following represents the flawless hand-off with no perceivable interruption of service?
a. Hard hand-off
b. Soft hand-off
c. Intracell hand-off
d. Intercell hand-off
|
Answer
Explanation
|
ANSWER: Soft hand-off
Explanation:
No explanation is available for this question!
|
|
4) Which hand-off stage deals with the relinquishment of unnecessary frequency channels by keeping the availability for other mobile users?
a. Initialization
b. Resource Reservation
c. Call Execution
d. Call Completion
|
Answer
Explanation
|
ANSWER: Call Completion
Explanation:
No explanation is available for this question!
|
|
5) If more number of cells are necessary in the frequency reuse distance, then the segmentation & dualization techniques get ________
a. united
b. divided
c. restricted
d. filtered
|
Answer
Explanation
|
ANSWER: united
Explanation:
No explanation is available for this question!
|
|
6) Which method of cellular network assists in minimizing the co-channel interference associated with the angle of degree?
a. Cell Splitting
b. Cell Sectoring
c. Cell Segmentation & Dualization
d. None of the above
|
Answer
Explanation
|
ANSWER: Cell Sectoring
Explanation:
No explanation is available for this question!
|
|
7) Which effect is widespread in adjacent-channel interference especially after the reception of a weak signal by a mobile user from the base-station?
a. Near-far effect
b. Doppler's effect
c. Capture effect
d. Kendall effect
|
Answer
Explanation
|
ANSWER: Near-far effect
Explanation:
No explanation is available for this question!
|
|
8) In a cellular telephone system, which type of interference results from imperfect design of filters in receivers by allowing nearby frequencies to enter the receiver?
a. Co-channel Interference
b. Adjacent-channel Interference
c. Both a and b
d. None of the above
|
Answer
Explanation
|
ANSWER: Adjacent-channel Interference
Explanation:
No explanation is available for this question!
|
|
9) Which antennas are used at the center of the cells for the system with hexagonal-shaped cells?
a. Omni-directional antennas
b. Sectored directional antennas
c. Both a and b
d. None of the above
|
Answer
Explanation
|
ANSWER: Omni-directional antennas
Explanation:
No explanation is available for this question!
|
|
10) If the system is designed with the usage of hexagonal-shaped cells, how are the base-stations located?
a. At the centre of cell
b. At the edge of cell
c. At the corner of the cell
d. All of the above
|
Answer
Explanation
|
ANSWER: All of the above
Explanation:
No explanation is available for this question!
|
|
