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?

2628

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

1050

Differentiate between Optical fibre and twisted pair

1170

Differentiate between SMTP and SNMP

3088

What are the basic functions of the data link layer?

1244

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

2981

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.

2072

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

1932

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

1392

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.

1117

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.

1099

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

1361

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.

1153

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

1187

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

1570


Un-Answered Questions { Networking }

How can a network be certified as an effective network? What are the factors affecting them?

273


Explain network equipment used in wired-LANS and explain the function of Hub, Switch, and bridge.

1279


What is the use of internet addresses?

650


What are user facing features?

238


Unable to connect to local DB

1576






How proxy servers protect computer networks?

541


What is FXO and FXS?

105


pls. tell all the commands for configure cisco router 1900 series.

2363


What is the purpose of cables being shielded and having twisted pairs?

114


What are the basic functions of the data link layer?

1244


Explain Cisco IP Phone boot up process?

127


Briefly describe nat.

176


How many bits is ip address and port number?

571


How to delete software errors? What is that?

1521


Explain ATM reference model.

1108