Recent questions tagged data-communication

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1

Uttrakhand Asst. Professor Exam-3
Real time transport control protocol informs sender of multimedia stream about ____ . Length of multimedia data Network performance Voice and data quality None of the above

asked Mar 2, 2018 in Others by gatecse Boss (17.5k points) | 63 views

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1 answer

2

Uttrakhand Asst. Professor Exam-2
GSM is a digital cellular phone system using TDMA and ____ . FDMA CDMA QFSK None of the above

asked Mar 2, 2018 in Others by gatecse Boss (17.5k points) | 31 views

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3

Uttrakhand Asst. Professor Exam-1
TDD - TDMA is a kind of _______ communication. Full duplex Half duplex Semi duplex None of the above.

asked Mar 2, 2018 in Others by gatecse Boss (17.5k points) | 48 views

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4

UGCNET-dec2009-ii-26
Device on one network can communicate with devices on another network via a (A) Hub/Switch (B) Utility server (C) File server (D) Gateway

asked Sep 17, 2017 in Computer Networks by rishu_darkshadow Loyal (7.3k points) | 442 views

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5

UGCNET-June2010-II-48
$CDMA$ Cell uses ________ carriers of $1.25$ MHz. $9$ $18$ $22$ $64$

asked Sep 16, 2016 in Computer Networks by makhdoom ghaya Boss (30.8k points) | 314 views

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6

UGCNET-June2010-II-47
A leased special high-speed connection from the local telephone carrier for business users that transmits at $1.544$ mbps is known as ________ carrier. $T_{1}$ $T_{2}$ $T_{3}$ $T_{4}$

asked Sep 16, 2016 in Computer Networks by makhdoom ghaya Boss (30.8k points) | 377 views

+1 vote

2 answers

7

UGCNET-Dec2011-II-48
A telephone conference call is an example of which type of communications ? Same time / same place Same time / different place Different time / different place Different time / same place

asked Aug 22, 2016 in Computer Networks by makhdoom ghaya Boss (30.8k points) | 442 views

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8

UGCNET-Dec2011-II-37
Handoff is the mechanism that Transfer an ongoing call from one base station to another Initiating a new call Dropping an ongoing call None of above

asked Aug 21, 2016 in Computer Networks by makhdoom ghaya Boss (30.8k points) | 259 views

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9

UGCNET-Dec2011-II-35
The cellular frequency reuse factor for the cluster size $N$ is $N$ $N^{2}$ $\frac{1}{N}$ $\frac{1}{N^{2}}$

asked Aug 21, 2016 in Computer Networks by makhdoom ghaya Boss (30.8k points) | 435 views

+3 votes

1 answer

10

UGCNET-June2015-III-29
Suppose a digitazed voice channel is made by digitizing 8 kHz bandwidth analog voice signal. It is required to sample the signal at twice the highest frequency (two samples per hertz). What is the bit rate required, if it is assumed that each sample required 8 bits? 32 kbps 64 kbps 128 kbps 256 kbps

asked Aug 1, 2016 in Computer Networks by jothee Veteran (105k points) | 1.2k views

+2 votes

1 answer

11

UGCNET-June2015-III-25
Which transmission technique guarantees that data packets will be received by the receiver in the same order in which they were sent by the sender? Broadcasting Unicasting Packet switching Circuit switching

asked Aug 1, 2016 in Computer Networks by jothee Veteran (105k points) | 713 views

+2 votes

2 answers

12

UGCNET-June2012-III-66
If the period of a signal is 1000 ms, then what is its frequency in kiliohertz? $10^{-3}$ KHz $10^{-2}$ KHz $10^{-1}$ KHz 1 KHz

asked Jul 8, 2016 in Computer Networks by jothee Veteran (105k points) | 1.8k views

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