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Interview Questions and Answers :: HCL Technologies

Home > Experience Archives > HCL Technologies > Interview Question Set 2
First Round (F-2-F)
  • 1. Write a program to generate the checksum for given multiple byte data, you can use any CRC algorithm.
    And verify the same given byte of data with generated checksum.
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  • 2. Write a program to find the no of Palindrome can be generated form the given string "abayacbbcayxdb"
    Ex: abayacbbcayxdb
    Palindrome: aba, acbbca, aya, cbbc
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  • 3. Write a program to find the no. of occurrence of "bc" in given sting "acbcadgixbccbbcx"
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  • 4. Write a program to find the no of word in given sentence, and count the repeating word.
    Ex: "abc helloabc mu multiple test onlinetest"
    There are 6 word and
    "abc" 2 time,
    "mu" 2 time
    "test" 2 time.
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  • 5. Ping from one Host-A to another Host B in the below given topology and Explain packet processing step by step in detail.
    | Host A | -------- [ Switch ] ------- | Host B | (11.11.0.1)
    (10.10.0.1)

    What are the possible scenario of ping failure in above topology?
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  • 6. What if you replace switch and put router, explain above scenario step by step.
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  • 7. What is difference in STP, RSTP and PVSTP.
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  • 8. What is proxy ARP and gratuitous ARP. What is difference and How to identify them.
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  • 9. What is Semaphore and Mutex?
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  • 10. Write a message queue program. Read & write
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  • 11. What are the steps for client & server socket program? Which are the call will not be for UDP.
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  • 12. How to convert big endian to little endian and Vic versa.
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  • 13. Do you have any question for me?
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