Private and Public IPv4 Address Reserved Private IPv4 Addresses Class A 10.0.0.0 – 10.255.255.255 Class B 172.16.0.0 – 172.31.255.255 Class C 192.168.0.0 – 192.168.255.255 Public IPv4 Addresses Class A 1.0.0.0 – 9.255.255.255 continues after the Private IPv4 at…
In IPv4 address, we have 5 classes namely Class A, Class B, Class C, Class D and Class E but only 3 are usable i.e. Class A, Class B and Class C Class A This class of IP Address…
Network ID This is the portion of the IP Address that identifies the Network and makes it unique Please note this: In any Class A IP Address. Then Network address is represented by the 1st Octet Example 10.0.0.0 ( All…
IP Addressing (Internet Protocol Address) is a unique number given to a node on a computer network. It is of two types, i.e. IPv4 and IPv6. Starting with IPv4. It is a 32bit number give to a node on a…
Computers communicate with a standard called TCP/IP (Transmission Control Protocol/ Internet Protocol). IPv4 Addressing is part of the TCP/IP family, it is a unique number given to a computer on network to enable the computer communicate with another computer. For…
Network Topologies Building up a network in an environment comes in handy with a topology. One may ask what is a topology? A topology is a layout, virtual shape of the network. And a topology can be classified in two…
Twisted-Pair Cable Categories In an environment where twisted pair cables are used, a pair of wires form a circuit, that can transmit data and this is done to minimize cross-talk, which is a phenomenon where data on one cable creates…
Networking command line tools for troubleshooting. Networking command line tools are very essential in our everyday life activities as IT personnel’s, so to troubleshoot a problem in a networking environment, here are some of the command line tools that comes…
Getting an automated invoice or receipt is a lot easier with Microsoft Excel. You don’t have to be a guru in Excel, all you need to do is follow the step by step video process in this post. Preparing your…
Amazingly, by God’s grace, we have been nominated. Winning this award will be an achievement for all viewers and users of VTB including the new users. Am working on some new material which will be available soon. First let’s win this…