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Last Modified: 2013-11-29
The i get help with the following short networking questions,What subnet mask would a network administrator assign to a network
address of 172.30.2.0 if it were possible to have up to 510 hosts?`

After a telnet client makes a request to a server that is listening to the standard port, what will be the
source port number in the TCP header of the response from the server?

If the IP address of a networked pc is 10.5.23.126 and the subnet
mask is 255.255.192.0 what is the correct CIDR nototation for the network?

If the IP address of a network is given as 192.168.12.128/26 then the maximum number of hosts that can be placed on the network is?

Is 127.1.1.1 a reserved private ip address?

What subnet mask would a network administrator assign to the network address 136.17.0.0 if the
maximum number of hosts needed to be set to 2046 ?

Thanks
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SnibborgOwner

Commented:
Here is a subnet mask calculator.  You can work out any combinations you require:

http://www.subnet-calculator.com/

It will also answer a number of your other questions.

Snibborg
1.What subnet mask would a network administrator assign to a network
address of 172.30.2.0 if it were possible to have up to 510 hosts?`

-It would be 255.255.254.0, that means from 172.30.2.0 - 172.30.3.255 (first and last excluded)

2,If the IP address of a networked pc is 10.5.23.126 and the subnet
mask is 255.255.192.0 what is the correct CIDR nototation for the network?

Not sure for CIDR b/c there is not enough informations, but network address is 10.5.0.0

3.If the IP address of a network is given as 192.168.12.128/26 then the maximum number of hosts that can be placed on the network is?

- the answer is 62 hosts, from 192.168.12.129 - 192.168.12.191

4.Is 127.1.1.1 a reserved private ip address?

127.x.x.x is IANA special resrved ipv4

5.What subnet mask would a network administrator assign to the network address 136.17.0.0 if the
maximum number of hosts needed to be set to 2046 ?

-the answer is 255.255.248.0, range from 136.17.0.0 - 136.17.7.255

Hope it helps
The question seems inappropriate, i.e., academic/homework. Direct answers are therefore inappropriate. Can you explain what you are looking for in an answer? Is there a particular element that you need help in understanding?

Tom

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