Basic Networking

A Loopback adapter is a testing tool for a virtual network environment where network access is not available. This may come in very handy when you need to test or …

The presentation layer is the sixth layer (layer 6) of the seven-layer OSI model. The presentation layer is responsible for the delivery and formatting of information to the application layer …

Nslookup.exe is a command-line administrative tool for testing and troubleshooting DNS servers and host name resolution issues. This tool is installed at the time that TCP/IP is installed on the …

Layer 1 of the OSI model is known as the physical layer. The physical layer is the lowest layer in the seven-layer OSI model. It consists of the basic networking …

If you have reached this article, you are trying to find out more information about what a VLAN actually is. The term VLAN is typically used as a synonym for …

Ping is a network tool mainly used to test whether a host is reachable across an IP network and to measure the round-trip time for packets sent from the source …

On all TCP/IP networks, every device requires a unique IP address. This quickly presented a challenge considering the shortage of IP addresses in the IPv4 scheme. Network Address Translation (NAT) …

An Ethernet crossover cable is a type of cable used to connect network devices together directly where they would normally be connected via a network switch or router, such as …

In networks with multiple subnets, it is not feasible to place DHCP servers on each of the subnets where clients are physically located. For a multi-segmented network, the best configuration …

The session layer is the fifth layer (layer 5) of the seven-layer OSI model. The session layer provides the mechanism for the opening, closing, and managing of sessions between applications. …