Networking Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Networking AllOther (430)

Networking Interview Questions

Questions Answers Views Company eMail

What do you mean by link to link layers of OSI reference model? Explain their functions briefly?

2074

Write a short note on ISDN?

1985

What is the difference between boundary level masking and non- boundary level masking? Give examples

1 9176

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

2590

What are the principles that were applied to arrive at the seven layers in OSI model?

3421

Explain the working of 3 bit sliding window protocol with suitable example.

1 6853

What are the reasons for using layered protocols ?

3667

Enumerate the main responsibilities of data link layer ?

2009

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

3245

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

2416

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

2295

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

2648

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

1694

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

1642

Where is the special IP address 127.0.0.0. used ?

1 2340

Un-Answered Questions { Networking }

Differentiate between SMTP and SNMP

3877

What are worms?

1021

How to identify ip address?

1074

Can port forwarding mess up internet?

1112

What is Cross Site Request Forgery and how to defend against it?

1029

What is slowloris?

944

How do I find my ip address in terminal?

1081

What is a Smart Card or Chip Card or Integrated Circuit Card (ICC)?

981

What is the importance of implementing a fault tolerance system? Are there limitations?

355

How do I find out what service is using a port?

1079

What is shadow it?

976

Why is a data link layer switch preferred over a hub ?

2084

How proxy servers protect computer networks?

1107

Does netflix use udp or tcp?

1115

What is port 445 commonly used for?

1062

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