Assalamoalaikum
fellows! paper of cs601 in attached and please i have marked answers which i marked in paper, so please do not believe on these answer try to find these answer in handouts and past papers. i am 100% sure that majority of answers will be incorrect. so please be careful.
Total time 120 minutes
Total question 45
Total marks ??? please koi mujhay is kay total marks bta day.
30 MCQs.
15 long.
Please do not suppose these answers correct because I am not student, much efficient or good, but the answer which I marked, are there, majority are incorrect and please go through the handouts to find correct answer. I don't know correct answers, and do not let me know the correct answer I have attempted my paper so let it go now.
The inversion of the level at 1 bit is called as __________
► NRZ-L
► NRZ-I
► RZ
In selective-reject ARQ, only the specific damaged or lost frame is_____________.
► Retransmitted
► Forwarded
► Selected
► Rejected
YMODEM has _________Byte of data unit.
► 1024
► 256
► 128
► 512
Which of the following sublyer, resolves the contention for the shared media
► MAC
► LLC
► Physical
Like 10 Base 5, 10 Base 2 is a _________ topology LAN
► Ring
► Mesh
► Star
► Bus
At the CRC generator, __________ added to the data unit after the division process
► 0s are
► 1s are
► The polynomial
► The CRC remainder is
Flow control is needed to prevent ___________.
► Bit errors
► Overflow of the sender buffer
► Overflow of the receiver buffer
► Collision between sender and receiver
In Y-MODEM Multiple files can be sent simultaneously
► True
► False
In 56K Modems Max Uploading speed is ______ bytes and downloading speed is ______ byte.
40K, 56K
33.6K, 56K
56K, 33.6K
None of given
If db is amplified then attenuation is ------------------
Positive
Negative
Zero
None of the above
Amplifiers are used to __________the signal to heat.
Amplify
Rectify
Testify
Nullify
_________requires the maximum number of I/O ports.
Bus
Star
Mesh
Ring
There are ________ basic categories of multiplexing.
3
4
2
5
In _____________ transmission, bits are transmitted over a single wire, one at a time.
Asynchronous serial
Synchronous serial
Parallel
Asynchronous & Synchronous serial
In_____________ transmission, bits are transmitted over their own wires
Asynchronous serial
Synchronous serial
Parallel
Asynchronous & Synchronous serial
EIA 232 allows for a maximum bit rate of __________Kbps.
40
30
20
10
In CRC the quotient at the sender _____________
Becomes the dividend at the receiver
Becomes the divisor at the receiver
Is discarded
Is the remainder
In line discipline after the data transmission, the sending system finishes with an _____________ frame
EOT
EKT
ENT
ESP
When we talk about [something_I_forgot] then we are referring to
The air
Water
Earth
On more option is there I have forgotten
This answer must be correct because some frequencies or mode of frequency
One of them like
Ionosphere uses which frequencies.
Options were in speeds of frequencies in Mhz and ghz
When a collision is detected in a network using CSMA/CD _________
The frame is immediately resent
A jam signal is sent by the station
The back off value is set to 0
The back off value is decremented by 1
Which one has more overhead, a repeater or a bridge? Explain your answer. [3]
Define high frequency [HF] and super high frequency [SHF], which devices uses these frequencies [3]
Write all steps of checksum method. [3]
Differentiate internet and the internet? [3]
This question confused me and what did I answer in this question
I differentiated "Internet and Intranet". This is nice confusing question for me. I do not know any thing about their difference.
What are the differences in between bit oriented and character oriented protocols [5]
Is there anyone have Current of CS601?????????/please...... shear.... me.......
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greyferry
We say, "Be one as Pakistani Nation and grow up for Pakistan's Future". Wish you all the best.
Please visit www.vuaskari.com, get registered for old papers, quiz, assignments and GDBs...
You received this message because you are subscribed to the Google
Groups "VU ASKARI" group.
To post to this group, send email to askarivu1@googlegroups.com
For more options, visit this group at
http://groups.google.com/group/askarivu1?hl=en?hl=en
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