System Analysis and Design

  1. In the original classful address scheme, was it possible to determine the class of an address from the address itself? Explain.

 

 

 

 

 

 

 

  1. If an ISP assigned you a /28 address block, how many computers could you assign an address?

 

 

 

 

 

 

  1. If an ISP offers a / 28 address block for 160 dollars per month and a / 27 address block for 160 dollars per month, which has the cheapest cost per computer?

 

 

 

 

 

 

 

 

  1. Suppose you are an ISP with a / 24 address block. Explain whether you accommodate a request from a customer who needs addresses for 255 computers.

 

 

 

 

 

 

 

  1. Can a host have more than one IP address? Explain.

 

 

 

 

 

6.Your IP address is 121.76.98.18

subnet mask is 255.255.0.0

  • What is subnet address?
  • Broadcast address?
  • Number of host on this network?
  • Host address range?

 

 

 

 

 

 

 

  1. Your IP address is 212.45.66.115

subnet mask is 255.255.255.128

  • What is subnet address?
  • Broadcast address?
  • Number of host on this network?
  • Host address range?

 

 

 

 

 

 

 

 

 

 

8.Your IP address is 168.195.98.18

subnet mask is 255.255.254.0

  • What is subnet address?
  • Broadcast address?
  • Number of host on this network?
  • Host address range?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

  1. Your IP address is 45.122.69.115

subnet mask is 255.255.255.128

  • What is subnet address?
  • Broadcast address?
  • Number of host on this network?
  • Host address range?

 

 

 

 

 

 

 

 

 

 

  1. Your IP address is 117.68.35.23

subnet mask is 255.255.255.224

  • What is subnet address?
  • Broadcast address?
  • Number of host on this network?
  • Host address range?

Strawberries

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