3/5/24, 5:35 PM Quiz1_05.03.

2024_GNR+DIU_CS/IT314: Attempt review

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Started on Tuesday, 5 March 2024, 4:30 PM

Question 1
Complete
Marked out of 1.00

Inter Symbol Interference is a phenomenon occurs in

a. None of these
b. both frequency and time domain
c. Frequency domain
d. Time domain

Question 2
Complete
Marked out of 1.00

Universal Mobile Telecommunications System (UMTS) is based on multiple access technique.

a.CDMA

b. SDMA
c FDMA
d. TDMA

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Question 3
Complete
Marked out of 1.00

A transceiver module in a wireless sensor network contains which component internally?

a. Electrodes

b. Antennas

c. Wires

d. None of these

Quest 4
Complete
Marked out of 1.00

Among the following statements which one is incorrect

a. None of these
b. Cellular networks are based on distributed routing and Adhoc networks are based on centralized routing.
c. Cellular networks are based on reuse of frequency spectrum through geographical channel reuse
d. High cost and time of deployment (cellular network) and Quick and cost-effective deployment (MANET)

Question §
Complete
Marked out of 1.00

Determine the signal-to-interference ratio (SIR) in dB, for path

54548

c.53dB

d.3.0dB

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Question &
Complete
Marked out of 1.00

Optical communication needs line of sight for communication between transmitter and receiver.

a. False

b. True

Question 7
Complete
Marked out of 1.00

In a dense urban environment, path loss exponent n = 4.5 and there are six number o
. .. . . . s
channel cells in cellular system. The minimum required signal to interference (7) rat
13 dB. Determine the smallest cluster size needed to maintain this minimum required
a5

Question 8
Complete
Marked out of 1.00

Which of the following statement is incorrect

2 None of these

b-1n OFDM (Orthogonal Frequency Division Multiplexing), the PARP (Peak to average power ratio) is less.

< In OFDM (Orthogonal Frequency Division Multiplexing), the ICI (Inter-carrier-Interference) and ISI (Inter-Symbol-Interference)
problem is less.

9- OFDM (Orthogonal Frequency Division Multiplexing) provides a high spectral efficiency and data rate.

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Question 9
Complete
Marked out of 1.00

Which of the following statement is incorrect

2 In soft handoff, a new connection is established before the old one is released.

b. In hard handoff, the mobile unit simultaneously remain connected to more than one Base station (BS).

I hard handoff, the existing connection with the Base station (BS) must be broken before establishing a connection with a new
BS

- Al of these

Question 10
Complete
Marked out of 1.00

For a roaming user who s visiting a new MSC, the IMS| (International Mobile Subscriber Identity) will be temporarily stored in

2 AUC (Authentication Center)

b.y|R (visitor Location Register)

None of these

d-piR (Home Location Register)

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Question 1
Complete
Marked out of 1.00

In a GPRS network, Serving GPRS Support Node is the equivalent of _____ system in GSM.

a. VIR
b. MsC
¢ AuC
d. BSC

Question 12
Complete
Marked out of 1.00

Which one among the following statement is wrong

a. In packet switching network, billing is based on the amount of transmitted data.

b. In circuit switching network, billing is based on the duration of the connection.

© GPRS is a packet switching network

9 In both circuit and packet switching networks, billing is based on the amount of transmitted data.

Question 13
Complete
Marked out of 1.00

The uplink and downlink frequency channels of GSM are separated by

a.45 MHz

b. None of these

c. 25 MHz

d. 50 MHz

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Question 14
Complete
Marked out of 1.00

Which one of the following statement is correct?

a. Mobile IP don't allows users to keep the same IP address while roaming
b. Mobile IP allows users to keep the same IP address while roaming

c. None of these

d. In Mobile IP, users changes it address to care-of-address while roaming

Question 15
Complete
Marked out of 1.00

The bandwidth of each ARFCN (Absolute Radio Frequency Channel Number) channel and number of subscriber supported by each
channel is

200 KHz, 8 users

b. 250 KHz, 8 users

€. 25 MHz, 6 users

9" None of these

Question 16
Complete
Marked out of 1.00

A universal Mobile Telecommunication System (UMTS) is a network.

d.2.5G6

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Question 17
Complete
Marked out of 1.00

Which of the statement is incorrect among the following

3 UTMS networks has a circuit switched element

b. UTMS networks has both circuit and packet switched element.

None of these

d- UTMS networks has a packet switched element.

Quesion 18
Complete
Marked out of 1.00

An Radio Frequency Identifier (RFID) reader, consists of how many components?

a. Two

b. Four
c.One

d. Three

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Question 19
Complete
Marked out of 1.00

Determine the capacity of a cellular system, with cluster size i = 1,j = 1 where each cell is allocated a group of 60 channels and
replication factor M = 6

b. None of these

c.720

d-1680

Question 20
Complete
Marked out of 1.00

The 5G technology uses

b. Microwave

c. Infrared wave

d. None of these

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