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Regarding Subnetting

fusenchan
Level 1
Level 1

‎08-30-2008 06:06 AM - edited ‎03-06-2019 01:05 AM

Hi,

I have confusing with the following CCNA questions:

What is the broadcast address and network for station 192.168.99.77/19?

This is a Class B network but using Class C address right?

so the answer should be:

Subnet is 192.168.96.0?

Broadcast IP is 192.168.127.255?

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3 Replies 3

Jon Marshall
Hall of Fame
Hall of Fame

‎08-30-2008 06:24 AM

Chan

192.168.99.x is a class C network. The natural subnet mask for a class C network is 255.255.255.0 or /24.

You have a mask of /19 or 255.255.224.0 so what you have above is a supernet ie. a aggregation of smaller networks into one entry.

Your are right about the subnet address and broadcast address.

Jon

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fusenchan
Level 1
Level 1
In response to Jon Marshall

‎08-30-2008 06:49 AM

Hi Jon,

Thanks for your answer.

Fusen

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0iyaaaaaa
Level 1
Level 1

‎08-31-2008 07:31 AM

Yes thats rite

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