Everything about Network Administrator totally explained
Network administrators are responsible for the maintenance of
computer hardware and
software that comprises a
computer network. This normally includes the deployment, configuration,
maintenance and
monitoring of active network equipment. A related role is that of the
network specialist, or
network analyst, who concentrate on network design and security.
Network administration commonly includes activities such as network
address assignment, assignment of
routing protocols and
routing table configuration as well as configuration of
authentication and
authorization –
directory services. It often includes maintenance of network facilities in individual machines, such as
drivers and settings of
personal computers as well as
printers and such. It sometimes also includes maintenance of certain network
servers:
file servers,
VPN gateways,
intrusion detection systems, etc.
Network specialists and analysts concentrate on the network design and security, particularly
troubleshooting and/or
debugging network-related problems. Their work can also include the maintenance of the network's
authorization infrastructure, as well as network
backup systems.
The administrator is responsible for the
security of the
network and for assigning
IP addresses to the devices connected to the networks. Assigning IP addresses gives the
subnet administrator some control over who connects to the subnet. It also helps to ensure that the administrator knows each system that's connected and who is responsible for the system.
When the administrator gives a system an IP address, he also delegates certain security responsibilities to the system administrator.
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