Wireless and Mobile Communications Mock Test 8

10%

Question 1 of 10

1. MSCs provide connectivity between PSTN and the base stations.

True

False

Question 1 of 10

Question 2 of 10

2. The visited system creates a __________ record for each roamer and notifies home system to update __________

VLR, HLR

VLR, MIN

HLR, VLR

MIN, ESN

Question 2 of 10

Question 3 of 10

3. ____________ is the maximum number of channels that can be provided in a fixed frequency band.

Carrier capacity

Channel capacity

Spectral capacity

Radio capacity

Question 3 of 10

Question 4 of 10

4. Which of the following is based on ATM technology?

B-ISDN

ARDIS

SS7

CCS

Question 4 of 10

Question 5 of 10

5. If λ is mean arrival rate and τ is the packet duration, then traffic occupancy of a packet radio network is equal to _________

λτ²

λ/τ

λτ

λ-τ

Question 5 of 10

Question 6 of 10

6. The technique for separate but parallel signalling channel is called ________

Separate channel signalling

Forward channel signalling

Common channel signalling

Reverse channel signalling

Question 6 of 10

Question 7 of 10

7. For pure ALOHA protocol, the vulnerable period is ___________ the packet duration.

Ten times

Double

Equal

Not equal

Question 7 of 10

Question 8 of 10

8. First generation cellular systems provide connectionless services for each voice user.

False

True

Question 8 of 10

Question 9 of 10

9. __________ allows subscribers to monitor neighbouring base stations.

MAHO

FDMA

TDMA

ACA

Question 9 of 10

Question 10 of 10

10. At the base station, the air interface portion of mobile transmission is passed to MSC.

False

True

Question 10 of 10