Computer Networks Top Interview Questions

Last Updated on Thursday, 7 August 2008 02:27 Written by EditorThursday, 7 August 2008 01:12

Some of the Top Basic Computer Networks Questions, that must be Answered and known if you even think of attending any Networks/Network Admin Interviews.

1. Virtual meetings on Internet are called………….
2. LAN can be connected by devices called………..
3. The bit pattern …………… is the preamble of 802.3 frame format.
4. Basic SONET frame is a block of ……………. bytes.
5. The amount of thermal noise is measured by ………………..
6. Explain the Frequency Modulation.
7. What is WAN and where it is used? how it is different from LAN and MAN.
8. Explain single error detecting code with example.
9. What is Flow control? Explain.
10. Explain CSMA/CD Protocol.
11. Describe Multitasking.
12. Describe Service Primitives.
13. Explain briefly PCM and its requirements.
14. What is Concession Control describe i) Load shedding ii) Jitter Control. Under it.
15. What is QoS?
16. Token Bucket Algorithm is employed to prevent congestion. The capacity of the bucket is 250k byes Arriving rate of the token is 2MB/sec. if the maximum output rate is 25MB/sec, calculate the burst length in time.
17. Describe principles considered in the design of network layer in the internet.
18. Describe Address format used in Internet. [ With figure ]
19. A Network on the Internet has a Subnet mask of 255.255.240.0. What is the maximum No. of hosts it can handle?
20. What are basic difference between IPV4 and IPV6?
21. Describe Address Resolution Protocol, use diagram if required.
22. What is the difference between Interior gateway protocol and Exterior gateway protocol.
23. What is the function of ATM adaptation layer.
24. Illustrate the phenomenon of Silly Window Syndrome in TCP.
25. What is delayed duplicate problem?
26. Explain Unicast addresses, Multicast adresses, and broadcast address.

• 8086 Questions
• More Networking Questions

1. Bharat February 3, 2011 at 12:53 pm

   I have done Computer Hardware & networking from Jetking . Preparing for job, it my humble request to u plz provide me questions with ans reletaed to my profile.
   Thanks

   With worm Regard
   Bharat bhushan
2. Amit Narvekar January 21, 2011 at 3:29 pm

   Dear sir,
   pls send me important interview questions of computer hardware and networking.
3. manish soni January 6, 2011 at 11:32 am

   dear sir,
   in current time i’m doing job in ISP in raipur as network assistent.And my qualification is b.com gradute and hardware networking from jetking raipur.sir i want to suggetion for my carrer what course should i do in future Is ccna is good choise for me sir please healp me for building my carrer.
   PLEASE REPLY ME SIR
   THANK YOU
4. pintu sharma December 25, 2010 at 8:32 am

   dear sir
   plz send me improtent and latest interview question of basis network engineer.i am final MDSNA(master’s diploma
   diploma in system network administrator.

   regard

   pintu sharma(ihnc from varanasi)
5. kalaiyarasi December 14, 2010 at 10:22 am

   Hi,
   I m a fresher. plz can u send DATA STRUCTURE questions & ans 4r interview
6. peniring December 13, 2010 at 2:48 am

   hi, m b.sc graduate. Plz send me technical interiview question n answer.
7. gokul singh December 4, 2010 at 6:28 am

   Dear sir,
   pls send me important interview questions of computer hardware and networking.

   Regards
   Gokul singh
   gokulratmoli@gmail.com
8. YOGSH KUMAR November 21, 2010 at 8:19 am

   sir plz send me computer hardware and networking question AND ANSWER
9. ashish October 31, 2010 at 5:26 pm

   Dear sir,

   i am a fresher in IT n i have to meet an interview. Plz send me sample Question n answer for A+ and N+ . Thanks

   Regards
   ashish
10. hitesh October 27, 2010 at 9:18 am

    sir please send me tha ansewra as soon as possible
11. sandeep October 13, 2010 at 6:43 am

    Dear Sir

    Please send me computer networking question and answer for level 1

    thanks & REgarda
    sandeep
12. mo.mujjain September 23, 2010 at 2:48 pm

    hello…. i am graduate and fresher
    plz send some interview question answer related computer networking.
13. NAG August 27, 2010 at 11:08 pm

    Hi am NAG am fresher am completed hardware nd networking, MBA . I hve intrested tecnical jobs ,send me fresher questions nd answers
14. Priyavrat August 2, 2010 at 12:30 pm

    i am final year computer engg. student . plz. send me interview questions, ishall be alwys thankful to you for this
15. Mohan kumar July 23, 2010 at 12:39 pm

    Dear sir,
    pls send me important interview questions of computer hardware and networking.

    Regards
    Mohan kumar G.T.
16. mohammed Ali July 18, 2010 at 7:38 am

    Please be kind to send with answers.
17. chindhu May 4, 2010 at 6:29 am

    hi,
    I’m a 2009 passed out B.Tech(IT) student.please let me know i there are some related openings.. cud u please fwd some operating systems interview questions
18. Swati May 4, 2010 at 6:18 am

    Hello,, I am BCA Graduate, As I am a fresher,
    Please send me some Interview questions and answers related to computers in software and hardware.
19. Manish Sharma May 4, 2010 at 3:27 am

    hello iam a fresher and i have done bscit from ptu and now iam pursuing mca.iam very interested to do job as tech.support in bpo but i am a fresher.so plz send me some important fresher interview question that is mostly asked durring interview in my email id and my email id is man21aug@gmail.com.
20. pardeep suneja April 28, 2010 at 10:31 pm

    pls send me important questions of computer hardware and networking
21. baskar April 28, 2010 at 4:56 am

    I have 2 Experience in Computer Knoweldge So, But I have Intreasted in Networking Side Plz Find the Job baskarbasece@gmail.com