Top 150+ Solved Mobile Communication MCQ Questions Answer
Q. A time division time switch can be controlled in
a. Sequential write/random read
b. random write/random read
c. random write/sequential read
d. All of above
Q. In a one-stage space division switch, if N = 200, the number of cross points is
a. 10,000
b. 20,000
c. 40,000
d. 30,000
Q. ESS stands for
a. Electronic Switching System
b. Effective Electronic Switching System
c. Early Electronic Switching System
d. none of these.
Q. Trunks are the lines that run between
a. switching system and power plant
b. Local area network
c. Switching stations
d. Subscribers and exchange
Q. Availability of single processor system is given by
a. MTBF/MTTR
b. MTTR/MTBF
c. MTTR/(MTBF+MTTR)
d. MTBF/(MTBF+MTTR)
Q. Unavailability of single processor system is given by
a. MTBF/MTTR
b. MTTR/MTBF
c. MTTR/(MTBF+MTTR)
d. MTBF/(MTBF+MTTR)
Q. Availability of Dual processor system is given by
a. MTBF2/MTTR2
b. 2MTTR/MTBF2
c. MTTR2/2(MTBF+MTTR)2
d. (MTBF)2/(MTBF)2+2(MTTR)2
Q. Unavailability of Dual processor system is given by
a. MTBF2/MTTR2
b. 2MTTR2/MTBF2
c. 2MTTR2/2(MTBF+MTTR)2
d. (MTBF)2/(MTBF)2+2(MTTR)2
Q. MTTR means
a. Maximum Time To Repair
b. Most Time To Repair
c. Mean Time To Repair.
d. Maximum Time To Repair
Q. Which form/s of grading design has/have the tendency to share every trunk between equal numbers of groups?
a. Homogeneous Grading
b. Heterogeneous Grading
c. Skipped Grading
d. All of the above
Q. In a time multiplexed space switching system, one speech sample appears every
a. 125 micro sec
b. 20 msec
c. 125 msec
d. 1 sec
Q. Three methods of switching are
a. circuit switching, packet switching, and protocol switching
b. circuit switching, packet switching, and message switching
c. Loop switching, packet switching, and message switching
d. Node switching, packet switching, and message switching