Here is a very short list of basic tasks for which a network administrator may be responsible:Setting up and configuring network hardware and software Installing and configuring network media and connections Connecting user nodes and peripherals of all kinds to the network Adding users to and removing users from the network Managing user accounts, such as passwords, storage space, and file-access privileges Creating and maintaining a system for backing up data and program files Ensuring the security of the network Managing the organization's e-mail system Managing users' ability to access the Internet via the network Training users to utilize the network's resources