iStudy Networking

I have been always wondering whats the easy way to understand how Active & Passive mode FTP connections work. So, after referrin...

TCP/IP is based on a four-layer reference model. All protocols that belong to the TCP/IP protocol suite are located in the top three lay...

Introduction Access to e-mail and other Internet resources is very much a necessity for conducting business and accessing information. H...

Although WLANs and LANs both provide connectivity between the end users, they have some key differences that include both physical and l...

Static routes are useful in stub networks in which we want to control the routing behavior by manually configuring destination networks in...

Static routes are commonly used when you are routing from a network to a stub network. A stub network (sometimes called a leaf node) is a...

Routers can forward packets over static routes or dynamic routes based on the router configuration. The two ways to tell the router where ...

Cisco IOS Software is the industry-leading and is the most widely deployed network system software. This topic describes the features and...

Layer 1 - Devices and Their Functions Layer 1 defines the electrical, mechanical, procedural, and functional specifications for activ...

DNS is a mechanism for converting symbolic names into IP addresses. The DNS application frees users of IP networks from the burden of havi...

The OSI reference model is the primary model for network communications. The early development of LANs, MANs, and WANs was chaotic in many w...

Many characteristics are commonly used to describe and compare various network designs. When you are determining how to build a network, e...

The key to utilizing multiple resources on a data network is having applications that are aware of these communication mechanisms. Althoug...

The first task in understanding how to build a computer network is defining what a network is and understanding how it is used to help a b...