Cisco Interview Questions

1)Explain an algorithm for path planning in a given map.

2)Write a code to find the shortest path in a given graph.

3)Write a code for minimal spanning tree

4)How do you find existence of a cycle in the given graph.

5)Explain OSI model.

6)How do you find out the sizeof an object in Java.

7)Given a byte, write a code to swap every two bits. [Using bit operators] Eg: Input: 10 01 11 01 Output: 01 10 11 10

8)Write a Shell code which takes in as input several files and replaces each occurance of word “Nishant” with word “reddy”.

9)What is VPN ?

10)What are TCP/IP protocol , Routing algorithms , P2P file sharing , Routing protocols.

11)Implement the above protocols in C.


  1. My cisco interview questions: 8 queens puzzle;

    what is the difference between TCP/UDP?

    About socket programming

    How many bits are there in IP and MAC address? why MAC address is required?

  2. 3)Write a code for minimal spanning tree

  3. 2)Write a code to find the shortest path in a given graph.

  4. Tks very much for your post.

    Avoid surprises — interviews need preparation. Some questions come up time and time again — usually about you, your experience and the job itself. We've gathered together the most common questions so you can get your preparation off to a flying start.

    You also find all interview questions at link at the end of this post.

    Source: Download Ebook: Ultimate Guide To Job Interview Questions Answers:

    Best rgs

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