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4
UGC NET CSE | December 2006 | Part 2 | Question: 26
How many $DS1$ signals are transported on a $DS3$ signal ? $24$ $672$ $14$ $28$
How many $DS1$ signals are transported on a $DS3$ signal ?$24$$672$$14$$28$
4 answers
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UGC NET CSE | December 2004 | Part 2 | Question: 26
Error control is needed at the transport layer because of potential error occurring __________. from transmission line noise in router from out of sequency delivery from packet losses
Error control is needed at the transport layer because of potential error occurring __________.from transmission line noisein routerfrom out of sequency deliveryfrom pack...
3 answers
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UGC NET CSE | December 2004 | Part 2 | Question: 27
Making sure that all the data packets of a message are delivered to the destination is _________ control. Error Loss Sequence Duplication
Making sure that all the data packets of a message are delivered to the destination is _________ control.ErrorLossSequenceDuplication
2 answers
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UGC NET CSE | December 2004 | Part 2 | Question: 28
Which transport class should be used with a perfect network layer ? $TP0$ and $TP2$ $TP1$ and $TP3$ $TP0, TP1, TP3$ $TP0, TP1, TP2, TP3, TP4$
Which transport class should be used with a perfect network layer ?$TP0$ and $TP2$$TP1$ and $TP3$$TP0, TP1, TP3$$TP0, TP1, TP2, TP3, TP4$
2 answers
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UGC NET CSE | December 2004 | Part 2 | Question: 29
Which transport class should be used with residual-error network layer ? $TP0, TP2$ $TP1, TP3$ $TP1, TP3, TP4$ $TP0, TP1, TP2, TP3, TP4$
Which transport class should be used with residual-error network layer ?$TP0, TP2$$TP1, TP3$$TP1, TP3, TP4$$TP0, TP1, TP2, TP3, TP4$
2 answers
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UGC NET CSE | December 2004 | Part 2 | Question: 30
Virtual circuit is associated with a __________ service. Connectionless Error-free Segmentation Connection-oriented
Virtual circuit is associated with a __________ service.ConnectionlessError-freeSegmentationConnection-oriented
1 answer
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UGC NET CSE | December 2007 | Part 2 | Question: 29
For pure ALOHA, the maximum channel utilization is : $100\%$ $50\%$ $36\%$ $18\%$
For pure ALOHA, the maximum channel utilization is :$100\%$$50\%$$36\%$$18\%$
1 answer
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UGC NET CSE | December 2007 | Part 2 | Question: 28
The maximum data rate of binary signals on a noiseless $3\:KHz$ channel is : $3000$ bps. $6000$ bps. $9000$ bps. $12,000$ bps.
The maximum data rate of binary signals on a noiseless $3\:KHz$ channel is :$3000$ bps.$6000$ bps.$9000$ bps.$12,000$ bps.
1 answer
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UGC NET CSE | December 2007 | Part 2 | Question: 27
In a broadcast network, a layer that is often thin or non-existent is : network layer transport layer presentation layer application layer
In a broadcast network, a layer that is often thin or non-existent is :network layertransport layerpresentation layerapplication layer
1 answer
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UGC NET CSE | December 2007 | Part 2 | Question: 4
Let e : B^m → B^n is a group code. The minimum distance of ‘e’ is equal to : the maximum weight of a non zero code word the minimum weight of a non zero code word m n
Let e : B^m → B^n is a group code. The minimum distance of ‘e’ is equal to :the maximum weight of a non zero code wordthe minimum weight of a non zero code wordmn
2 answers
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December_2007_II
Let e: B˄m→B˄n be a group code. The minimum distance of ‘e’ is equal to: (A) the maximum weight of a non zero code word (B) the minimum weight of a non zero code word (C) m (D) n
Let e: B˄m→B˄n be a group code. The minimum distance of ‘e’ is equal to:(A) the maximum weight of a non zero code word(B) the minimum weight of a non zero code wo...
1 answer
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NIELIT 2016 DEC Scientist B (CS) - Section B: 25
A low pass filter is Passes the frequencies lower than the specified cut off frequency Used to recover signal from sampled signal Rejects higher frequencies All of the above
A low pass filter isPasses the frequencies lower than the specified cut off frequencyUsed to recover signal from sampled signalRejects higher frequenciesAll of the above
3 answers
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NIELIT 2016 DEC Scientist B (IT) - Section B: 49
Application layer protocol defines: types of messages exchanged rules for when and how processes send and respond to messages message format, syntax and semantics all of the above
Application layer protocol defines:types of messages exchangedrules for when and how processes send and respond to messagesmessage format, syntax and semanticsall of the ...
1 answer
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NIELIT 2016 DEC Scientist B (IT) - Section B: 22
Bluetooth is an example of: Local area network. Virtual private network. Personal area network. None of the mentioned above
Bluetooth is an example of:Local area network.Virtual private network.Personal area network.None of the mentioned above
3 answers
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NIELIT 2016 DEC Scientist B (IT) - Section B: 2
Three or more devices share a link in ________ connection Unipoint Polarpoint Point to point Multipoint
Three or more devices share a link in ________ connectionUnipointPolarpointPoint to pointMultipoint
2 answers
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NIELIT 2016 MAR Scientist B - Section C: 55
A packet switching network is free. can reduce the cost of using an information utility. allows communications channel to be shared among more than one user. both (B) and (C).
A packet switching networkis free.can reduce the cost of using an information utility.allows communications channel to be shared among more than one user.both (B) and (C)...
2 answers
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NIELIT 2016 MAR Scientist B - Section C: 54
Which of the following is not a transceiver function? Transmission and receipt of data Checking of line voltages Addition and subtraction of headers Collision detection
Which of the following is not a transceiver function?Transmission and receipt of dataChecking of line voltagesAddition and subtraction of headersCollision detection
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Minimum number of NAND Gates
Minimum number of NAND Gates for the functions F = AC’ + ACE + ACE’ + A’CD’ + A’D’E’ F = (B’ + D’)(A’+C’+D)(A+B’+C’+D)(A’+B+C’+D’)
Minimum number of NAND Gates for the functionsF = AC’ + ACE + ACE’ + A’CD’ + A’D’E’ F = (B’ + D’)(A’+C’+D)(A+B’+C’+D)(A’+B+C’+D’)
2 answers
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UGC NET CSE | December 2004 | Part 2 | Question: 10
The characteristic equation of a $\text{T}$ flip-flop is : $Q_{n+1}=T\overline Q_n+\overline T Q_n$ $Q_{n+1}=T+Q_n$ $Q_{n+1}=TQ_n$ $Q_{n+1}=\overline T$\overline Q_n$ The symbols used have the usual meaning.
The characteristic equation of a $\text{T}$ flip-flop is :$Q_{n+1}=T\overline Q_n+\overline T Q_n$$Q_{n+1}=T+Q_n$$Q_{n+1}=TQ_n$$Q_{n+1}=\overline T$$\overline Q_n$The sym...
1 answer
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NIELIT 2016 DEC Scientist B (CS) - Section B: 35
What will be the final output of D Flip-Flop, if the input string is $11010011$? $1$ $0$ Don’t Care None of the above
What will be the final output of D Flip-Flop, if the input string is $11010011$?$1$$0$Don’t CareNone of the above
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NIELIT 2016 DEC Scientist B (IT) - Section B: 58
How many Addition and Subtraction are required if you perform multiplication of $5$ (Multiplicand) and $-30$(Multiplier) using Booth Algorithm? $2,1$ $1,2$ $1,1$ $2,2$
How many Addition and Subtraction are required if you perform multiplication of $5$ (Multiplicand) and $-30$(Multiplier) using Booth Algorithm?$2,1$$1,2$$1,1$$2,2$