Active Directory

Open Server Manager and click on on roles, this may name the Roles outline on the correct hand facet wherever you'llclick on the Add Roles link.
This will say the Add Roles Wizard wherever you'll be able to click on next to ascertain a listing of accessible Roles.choose Active Directory Domain Services from the list, you'll be told that you simply have to be compelled to add someoptions, click on the Add needed options button and click on next to maneuver on.

Networking cables



Fiber optic cables :



An optical fiber cable consists of a center glass core surrounded by several layers of protective material. The outer insulating jacket is made of Teflon or PVC to prevent interference. It is expensive but has higher bandwidth and can transmit data over longer distances.

Router Memory Components


ROM  - Read Only Memory – Bootstrap/POST

NVRAM - Start up configuration


  - Configuration Register

  - Contents are kept on reload



FLASH Memory- IOS Images are kept here

Introduction to Routers

Introduction to Routers

A router could be a special style of pc. it's a similar basic elements as a typical desktop computer. However, routers area unit designed to perform some terribly specific functions. even as computers would like in operation systems to run software system applications, routers would like the Internetwork software system software system (IOS) to run configuration files. These configuration files contain the directions and parameters that management the flow of traffic in and out of the routers. the various elements of a router area unit shown below: