Certifications / Networking / Technology

December 11, 2012

TCP/IP Subnetting Quick Tip

Here is a quick tip. Memorize the Private TCP/IP  address ranges. There will most likely be questions on the certification exams regarding information on RFC-1918 aka the private IP ADDRESSING ranges. There are 3 blocks of un-routable addresses you can use when designing your networks. Class A: 10.0.0.0 – 10.255.255.255 (10.0.0.0/8) Class B: 172.16.0.0 – 172.31.255.255 (172.16.0.0/12) Class C: 192.168.0.0 – 192.168.255.255 (192.168.0.0/16) These will help you in the exam when they ask you which is a valid private ip addressing scheme to use within your network. Beware of the trick questions when they ask what the masks are. I...