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Answer all the problems. 

problem1) describe the following:

(i) DNS

(ii) Name Resolution

(iii) Subnet Masking

(iv) Urgent Pointer

problem2) How does TCP handle issue of multiplexing?                         

problem3) (i) Identify address classes of the following IP address:                 

(a) 255.255.190.0

(b) 216.111.52.12

(c) 150.156.10.10

(ii) Assume the class B network uses 20 out of 32 bits to define a network address. How many Class B Network are possible in this case?

(iii) Size of the option field of the IP diagram is 20 bytes. What is the value of HLEN field in binary? 

problem4) How does TCP handle flow control problem? Describe it with the help of the diagram showing status of sliding window at the different stages.              

problem5) describe activities to be performed at every layer in the TCP model when information flows from layer to another layer.

Computer Network & Security, Computer Science

  • Category:- Computer Network & Security
  • Reference No.:- M92352

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