Thursday, 15 August 2013
Wednesday, 14 March 2012
Custom IP addressing with Class-C IP address and Class-B Subnet Mask
Hi,
Is it possible to use IP Address 192.168.1.100 with subnet mask 255.255.0.0 ?
Is it possible to use IP Address 192.168.1.100 with subnet mask 255.255.0.0 ?
Thursday, 22 December 2011
How to find collision Domain and Broadcast domain
To find CD and BD follow these rules
1) HUB- 1CD - 1BD
2) Switch- Multiple CD - 1 BD
3) Router- Multiple CD - 1 BD
4) Bridge- Multiple CD - Multiple BD
R---------------R----------------R
| | |
| | |
| | |
S H--PC B
| | |
PC PC H-------PC
CD-7
BD-5
1) HUB- 1CD - 1BD
2) Switch- Multiple CD - 1 BD
3) Router- Multiple CD - 1 BD
4) Bridge- Multiple CD - Multiple BD
R---------------R----------------R
| | |
| | |
| | |
S H--PC B
| | |
PC PC H-------PC
CD-7
BD-5
Sunday, 23 October 2011
CCNA Subnetting Question with answer: What wil be the valid host range for network 172.23.12.0/23
Given Network = 172.23.12.0
Subnet Mask = /23 = 255.255.254.0
We calculate the Block Size for third Octet = 256-254
= 2
CCNA Subnetting Question with answer: What will be the Subnet Mask for Point to Point Link between Router?
For Point to point to link we require two IP addresses. For two IP address we can calculate the subnet mask as below.
Number of Host = 2 off bits - 2
2 = 2 off bits - 2
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