You have taken a new job as a network administrator. although you have been an it professional within your organization for a number of years, this particular responsibility is a new one for you, so you have been studying network standards and protocols.

As network administrator he or she should the basic principles how the network works and analysis LAN OR WAN OR VPN. Any firewall is place in network and domain directory or domain controller configuration.

He or she also should know the how many desktop or workstation or laptop is connected in the network and their usages.

Any ISS server is installed, how many lease line and isdn lease line is connected and their tcpip address ranges and dialing leasing line or ISDN or VPN and router details.

He or she has maintained tcpip address books and any access point and their user id and password.

Any web site or web server or cloud server or domain server installed and their user is and password.

Basically network administrator has to take full control of network and make sure network runs smoothing in the organizations.