C-DOT(Centre for Development of Telematics) Interview Experience | Set 2

One Interview Only (Technical + HR). Interview in front of panel of 2 persons.

  1. Tell me something about yourself. Your favorite subjects (I mentioned Computer Networks, Operating Systems, Algorithms, Data Structures)
  2. Functions of Data Link Layer.Where is Data Link Layer present on computer?
  3. Layer 2 Devices.
  4. What is Ethernet?Ethernet is related to which layer in TCP/IP Model.
  5. How actual transmission is done using TCP/IP model.
  6. Host A want to communicate with Host B.Host A knows only its own MAC address.For communication,is it necessary to know MAC address of Host B?If yes,how will the MAC address of B will be found? (The question was linked to ARP protocol)
  7. Channel Allocation Problem. Asked about static,dynamic allocation techniques FDM,TDM,Aloha,CSMA/CD,CSMA/CA.
  8. Sliding window protocol.How error recovery is done at data link layer?
  9. Switch vs Hub.
  10. what happens when we type url.Asked about DNS.
  11. Asked about projects.(Technologies,platform used)
  12. Asked about Training.
  13. Which project is being carried on for Minor Project.
  14. C-output questions
    1.extern int var;
    int main(void)
    var = 10;
    return 0;
    2.int main()
    static int var = 5;
    printf("%d ",var--);
  15. Voaltile keyword in C.
  16. Memory Segments(Data,Code Segment).
  17. Size of heap and stack.
  18. What is stored on stack on function call.
  19. Multithreading application.How two threads will communicate with each other.
  20. Mutex and semaphore.
  21. How to debug a program? Any debugging tool used ever?.

ADVICE: Focus on Computer Networks,Operating Systems in great detail and be thorough with each and every details of project.

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