What is the DNS on the Internet? DNS stands for Domain Name System. The main function of DNS is to translate domain names into IP Addresses, which computers can understand. It also provides a list of mail servers that accept …

The format of the TCP segment header is shown in Figure above. The segment consists of a header of20 to 60 bytes, followed by data from the application program. The header is 20 bytes. i. Source port address: This is a 16-bit f…

In classful addressing, an IP address of class A, B, and C are divided into netid and hostid. The netid determines the network address while the hostid determines the host connected to that network.     Byte 1 …

Concept of Sub-netting Sub-netting is the practice of dividing up a network into two or more networks. Common advantages of sub-netting include enhancing routing efficiency, network management control, and improving network…