IPv4 addresses are the most common types of addresses used on the Internet and in internal networks today. It’s important to understand the components of an IPv4 address so that you can easily troubleshoot basic problems when a computer has been misconfigured.
Large organizations often divide the network into subnets, and one of the rites of passage for networking is to understand how subnetting works. You don’t have to be a master at subnetting, but you should understand the basics.
Most organizations also use the Dynamic Host Configuration Protocol (DHCP) to automatically assign IP addresses and other TCP/IP configuration information. Although this normally works well, it occasionally fails. When a client can’t reach ...