Cisco interview networking questions

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       1.     Explain layers of OSI

       2.  Briefly summarize what you’ve learned in CCNA courses

       3.  Functionality of DLL

       4.  What is Checksum and how does it work. (explained)

       5.  Difference between switch and router

       6.  Explain how router sends packets(explained that it does it through routing table)

      7.  List a few Routing algorithms(I could remember only one at that time, he gave hints on a few more and asked me how they work )

        8.  So you said that switch operates on layer2, so how does it work?

        9.  Vlan, Switch vs routers, Process scheduling

      10.  Write the pseudo code for Caesar Cipher

      11. What happens when you search google.com in your browser

      12.  What is Routers.

      13.   Network and Transport layer in OSI.

      14.         How broadband works.

      15.         deep concept of IP and MAC.

      16.          some puzzle and programming questions.

       17.          questions about firewall, proxies, osi model, ethernet, lan etc

       18.         What is computer network?

19.          What is preemtive and non preemtive algorithm?

20.       What is merge sort? Routing algorithm, osi model, what            is os?

21.          Deadlock, starvation, questions related to project

22.       Explain MPLS

23.       Explain STP and root bridge election, Explain CAPWAP, VxLAN

24.       what is the phishing attack?

25.       talk about cisco products and give one examples.

26.       supernetting and subnetting

27.       Why Cisco ?

28. bit torrent protocol

29. peers and if no, of peers affects on speed

30. ARP

31, Why two addresses needed for communication

32. how does a switch know where to send a packet

33. function of DNS , and work how

34. socket, characteristics of it

35. network layer protocol

36. TCP vs UDP

37. TCP handshaking and error control mechanism

38. one simple ckt diagram, water level controller,branch related questions


39. why main() necessary?

40. what difficulty you faced that unable to solve in project?

41. 2 out of 10 people are disagree with u what will you do?

42. what will u do if boss reject your idea, nd you know it was right?



                           MR Question


  1. Cisco is not a household name in India. Why choose cisco over names like TCS, Wipro etc?
  2. What did you read about in CSR?
  3. How does a router populate its routing table?
  4. Which algorithm are RIP and OSPF based on?
  5. cisco's priority routing protocol?(EIGRP)
  6. How does a packet traverse from host A to host B on different networks?
  7. If after working for 3-4 months you are told not to work 2 weeks, but have to report in your office , what will you do in your free time.
  8. How will you deal with a team member you don't get along with?

                                HR Questions

  1. How has your experience being in Ideathon?
  2. what's the role you are applying for?
  3. why don you think u r good fit for this role?
  4. What do you know about cisco's products?
  5. Who are cisco's main competitor?
  6. products of competitor?
  7. Location constraints?, location preference (bangliru,pune,chenni)
  8. Packege nd job discription.



****Any questions from me? --3 questions****




 

 

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