interview questions_networks

    1. What Is a MAC Address?   

    2. Define SMTP?   

   3.  Define Telnet?   

    4. Describe Application layer.   

   5.  Explain the core naming mechanism, Domain Name System (DNS).   

    6. Explain the functionality of PING.   

   7.  What is multicasting?   

    8. What is a network? What are the different kinds of network? Explain them.   

    9. Explain the 7 Layers of OSI.   

   10. How would you identify if a recursive code is correct/ not?

  11.  Implement a doubly linked list?

  12. Find the number of bits set in a random number?

  13. Find the position of set bit in a number?

  14. Difference between Binary Semaphore and a Mutex?

  15. .Explain how RIP & OSPF differ, which is better?

  16.Explain NAT & NATP?

  17.Write a programme to find number of bits set in an integer?

 18.Write a program for binary tree height calculation?

 19.Explain the OSI model and protocols used in each layer?

 20.Explain TCP vs UDP?

 21.What is XMPP Protocol do u have idea? Please explian ?



22. what happens in all layers when we type www.google.com in browser. (most famous question

      asked in any interview )

ans:  explain socket() from application , dns , dns mapping, dns cache, arp , tcp , http, logo
         identification.