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

Why transport layer protocols like TCP and UDP are called end-to-end protocols. What is the difference between them?

3227

Differentiate between Baseband co-axial cable and broad band coaxial cable

1484

Differentiate between Optical fibre and twisted pair

1589

Differentiate between SMTP and SNMP

3787

What are the basic functions of the data link layer?

1734

Write down the basic features of HDLC protocol? Could HDLC be used as a data link protocol for a LAN? Justify your answer.

3462

The physical layer service is a non-confirmed service. Assume that some bits of data are lost during transmission over physical media, which layer will detect the loss and take some remedial measures. Explain any one method clearly depicting how this operation is performed.

2677

What are the advantages of cell switching that is used in ATM?

2435

Outline and discuss the main fields in Ethernet IEEE 802.3 frame. What are the main objectives of preamble ?

1882

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.

1554

Explain what is meant by the term ‘integrated service digital network’. Give three reasons a company might choose an ISDN link in preference to a leased line.

1584

Subnet the class C network address 198.67.25.0 into eight subnets. Why are the ‘all ones’ and ‘all zeroes’ subnets not used ?

1831

What do you understand by the term ‘structured cabling’. State the main rules that should be used when installing a cable. 31. Show that maximum cabling area for LAN for horizontal cabling runs is approximately 200m.

1601

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

1704

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

2058

Un-Answered Questions { Networking }

What protocols fall under the application layer of the tcp/ip stack?

1026

not able to connect to SBI Visa payment server...Getting message like "Server not found"...."proxy protected by firewall"....how to resolve this issue?

4161

Differentiate between - TCP header and UDP header

1060

Is port forwarding dangerous?

1061

How do I check if a port is open telnet?

1028

how many types of backups are there & explain them in theory mode & practical mode?

2112

What are the networking protocol options for the Windows clients if for some reason you do not want to use TCP or IP?

3990

Explain routers?

979

What is EGP (Exterior Gateway Protocol)

How reliable is tcp?

1010

What is RTCP and what is its use?

384

What is FXO and FXS?

321

what is scsi?. what we do if scsi/scsi drive failed?.

2351

What is port 110 used for?

1033

What are some drawbacks of implementing a ring topology?

265

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