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As a network administrator, your tasks generally fall into the following areas:
Designing and planning the network
Setting up the network
Maintaining the network
Expanding the network
The first phase in the life cycle of a network involves creating its design, a task not usually performed by new network administrators. Designing a network involves making decisions about the type of network that best suits the needs of your organization. In larger sites this task is performed by a senior network architect: an experienced network administrator familiar with both network software and hardware.
Setting Up the Network
After the new network is designed, the second phase of network administration begins, which involves setting up and configuring the network. This consists of installing the hardware that makes up the physical part of the network, and configuring the files or databases, hosts, routers, and network configuration servers.
Maintaining the Network
The third phase of network administration consists of ongoing tasks that typically constitute the bulk of your responsibilities. They might include:
Adding new host machines to the network
Administering network security
Administering network services, such as NFSTM services, name services, and electronic mail
Troubleshooting network problems
Expanding the Network
The longer a network is in place and functioning properly, the more your organization might want to expand its features and services. Initially, you can increase network population by adding new hosts and expanding network services by providing additional shared software. But eventually, a single network will expand to the point where it can no longer operate efficiently. That is when it must enter the fourth phase of the network administration cycle: expansion.
Several options are available for expanding your network:
Setting up a new network and connecting it to the existing network using a machine functioning as a router, thus creating an internetwork
Configuring machines in users' homes or in remote office sites and enabling these machines to connect over telephone lines to your network
Connecting your network to the Internet, thus enabling users on your network to retrieve information from other systems throughout the world
Configuring UUCP communications, enabling users to exchange files and electronic mail with remote machines
Network administrator's main role is to control and manage the network and troubleshoot all network problems.
As a network administrator, your tasks generally fall into the following areas:
Designing and planning the network
Setting up the network
Maintaining the network
Expanding the network
Each task area corresponds to a phase in the continuing life cycle of a network. You might be responsible for all the phases, or you might ultimately specialize in a particular area, for example, network maintenance.
Role of Network Administrator is to create , troubleshoot and maintain a healthy network and also work on all of the networking equipment which fall under his domain that is whether he work remotely or whatever means he take it to complete his work.
The work of a network administrator is he's the overall in charge in all work related on I.T. or computer system. He is the one administer all the work related on system networking.
As a network administrator, your tasks generally fall into the following areas:
Designing and planning the network
Setting up the network
Maintaining the network
Expanding the network
