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Given the IP address 201.14.78.65 and the subset mask 255.255.255.224. What is the subset address?

  1. 201.14.78.32
  2. 201.14.78.64
  3. 201.14.78.65
  4. 201.14.78.224
in Computer Networks by Veteran (105k points)
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2 Answers

+3 votes
Best answer

Answer : 201.14.78.64

At every router basically we have  3 entries in a routing table 

1. Network Id / Subnet address

2. Subnet Mask

3 .Interface

So with the help of these we can figure out where to send a packet.

IP address 201.14.78.65                   subset mask 255.255.255.224

 IP address  11111111.11111111.11111111.11100000
 Subnet Mask  11001001.00001110.01001110.01000001
 Subnet address  11001001.00001110.01001110.01000000  
   201 . 14 . 78 . 64

It is a Bitwise ANDing in above operation.

by Boss (45.4k points)
selected by
+1 vote

        201.14.78.65               = 201.14.78.01000001

        255.255.255.224        =  255.255.255.11100000

-------------------------------------------------------------

                                                       201.14.78.01000000 = 201.14.78.64

by Veteran (63k points)
Answer:

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