Fresher Interview Questions

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.

Virtual meetings on Internet are called………….
LAN can be connected by devices called………..
The bit pattern …………… is the preamble of 802.3 frame format.
Basic SONET frame is a block of ……………. [...]

Describe OSPF
1. OSPF areas, the purpose of having each of them
2. Types of OSPF LSA, the purpose of each LSA type
3. What exact LSA type you can see in different areas
4. How OSPF establishes neighboor relation, what the stages are

What is MTU?
How does TCP handshake work?
How does SSL handshake work?
What are the different phases in VPN establishment?
How does DH (deffie helman) work?
What is TCP window sizing?
What is the difference between passive FTP and active FTP?
What is the difference between socket and session?
How does network management station work?

The Answers:

Networks:
——–
1.which is not used for error correction :
ANS :bit stuffing.

Difference between TCP and UDP? When would you want to use one over the other?
How would approach guaging performance of webpages/parts on a very large website?
Questions you are unlikely to get unless you claim a lot of IP experience
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