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Networking AllOther Interview Questions
Questions Answers Views Company eMail

Is the nyquist theorem true for optical fibre or only for copper wire ? Explain.

2036

Why do data link layer protocols position the checksum in the trailer and not in the header ?

1185

Compare the maximum window size in go-back-N and selective-repeat ARQs.

1255

Why does ATM use the cell of small and fixed length ?

1450

Give the equivalent binary word for the polynomial x8+x2+x+1.

773

In which of the 7 layers of OSI will a service handling conversion of characters is from EBCDIC to ASCII be normally implemented ?

686

Where is the special IP address 127.0.0.0. used ?

1 994

Convert the IP address 197.228.17.56 into binary ?

1524

Compare satellite with fiber as a communication medium and enumerate the application areas where satellite still holds a niche(or special)marker.

718

A binary signal is sent over a 3-khz channel whose signal-to-noise ratio is 20 db.Calculate the maximum achievable data rate ?

1572

What does ‘data transparency’ mean ? With the help of a flow chart, explain the process of bit de-stuffing at the receiver’s end.

746

Explain The ATM reference model

803

Explain HDLC

641

Explain Salient difference between ISO-OSI and TCP/IP models.

927

Explain Network Topologies and their uses.

549


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Un-Answered Questions { Networking AllOther }

What are the various classes of IP addressing? Calculate the maximum number of class A, B and C network Ids.

619


Draw the IP datagram header format. “IP datagram has a checksum field still it is called an unreliable protocol”. Justify?

1045


Explain Token ring

548


What is the difference between TFTP and FTP application layer protocols?

15668


What is a Multi-homed Host

171






Explain 1-persistent, p-persistent and 0-persistent CSMA giving strong and weak points of each.

1601


Why TCP/IP reference model is more popular than OSI model ?

1955


Why does ATM use the cell of small and fixed length ?

1450


How the code in popup card number(SIM recharge card number) will be unique?How they designed?What is the formula?Please answer me?

1260


What is the average number of transmission required to send a frame of length 1600 bytes correctly, if the bit error rate is 1 x 10-6.

633


Discuss Shannon’s capacity. What implications does it have ?

756


Explain Traffic shaping using token bucket algorithm

588


What is lock granularity?

1471


How do cryptography-based keys ensure the validity of data transferred across the network?

4311


Write a short note on ISDN?

983