Mobile Computing Set 1

 Mobile Computing Set 1

Which protocol is used for signaling between An MSC and A BSC?
a. PCM
b. DTMF
c. SS7   ans
 d. BSSAP

A TCH/F has a data rate of
a. 22.8 kbits/s  ans
b. 17.8 kbits/s
c. 11.4 kbits/s
d. 13 kbits/s

LAPDm is used for signaling between entities in a GSM network
   
Data is transmitted in small portions, called
a. explores
b. bursts   ans
c. bounces
d. destroys

Which is unidirectional channel?
a. DCCH
b. SACCH 
c. CCCH   ans
d. FACCH

Which is unidirectional channel?
a. DCCH
b. SACCH
c. BCCH    ans
d. FACCH

Which is bidirectional channel?
a. BCCH
b. SACCH  ans
c. CCCH
d. SCH

The physical layer of GSM handles ___ functions
a. radio-specific    ans
b. television-specific
c. data-specific

Data transmission at the physical layer typically uses ___ systems
a. DTMF
b. PCM   ans
c. ISDN
d. LAPD

Which layer main tack is error detection/correction?
a. Data link
b. Transport
c. Physical  ans
d. Application

Which layer comprises severe sub layers?
a. Data link  ans
b. Transport
c. Physical
d. Application

DTMF stands for
a. Dual Tone Multiple Frequencies  ans
b. Data Tone Multiple Frequencies
c. Digital Tone Multiple Frequencies
d. Dual Time Multiple Frequencies

With handover margin _____ effect may occur in GSM
a. periodic
b. positive
c. negative
d. ping-pong  ans


GSM aims at maximum handover duration of
a. 30 ms
b. 40 ms
c. 50 ms
d. 60 ms   ans

MOC stands for
a. Modern Originated Call
b. Mobile Originated Call   ans
c. Mode Originated Call
d. Module Originated Call

SHARE

About df