Mobile Computing and Wireless Communication (2170710) MCQs

MCQs of Cellular Wireless Networks

Showing 21 to 30 out of 35 Questions
21.

MTSO is an abbreviation of?

(a)

Mobility Telecommunication Switching Office

(b)

Mobile Telecommunication Switching Office

(c)

Mobile Telecommunication Switch Office

(d)

Mobile Telephony  Switch Office

Answer:

Option (b)

22.

Which modulation scheme is used by FHSS?

(a)

FSK

(b)

BPSK

(c)

MPSK

(d)

MFSK

Answer:

Option (d)

23.

Which modulation scheme is used by DSSS?

(a)

QPSK

(b)

BPSK

(c)

MFSK

(d)

QPSK and BPSK both

Answer:

Option (d)

24.

ARQ stands for_____

(a)

Acknowledge Repeat Request

(b)

Automatic Repeat Request

(c)

Automatic Retransmit Request

(d)

Authorized Repeat Request

Answer:

Option (b)

25.

In cellular network, adjacent cells operates on different frequencies to avoid ______

(a)

Crosstalk

(b)

Reflection

(c)

Refraction

(d)

Thermal noise

Answer:

Option (a)

26.

_______ is the process of subdividing a congested cell into smaller cells.

(a)

Cell Splitting

(b)

Coverage zone approaches 

(c)

Cell Sectoring

(d)

Power level

Answer:

Option (a)

27.

_______ increases the capacity of a cellular system since it increases the number of times that channels are reused. 

(a)

Cell Splitting

(b)

Coverage zone approaches 

(c)

Cell Sectoring

(d)

Power level

Answer:

Option (a)

28.

To split the cell into smaller cells, the _____must be reduced to keep the signal within the cell.

(a)

Frequency

(b)

Phase

(c)

Power level 

(d)

Amplitude

Answer:

Option (c)

29.

______ is less expensive , as it does not require the acquisition of new base station sites

(a)

Cell Splitting

(b)

Coverage zone approaches 

(c)

Cell Sectoring

(d)

both Cell Splitting and Cell Sectoring

Answer:

Option (c)

30.

In Sectorization, cell are sectored into angel of either _____  degree.

(a)

60 or 180

(b)

60 or 120

(c)

 120 or 180

(d)

 120 or 270

Answer:

Option (b)

Showing 21 to 30 out of 35 Questions