Network
A computer network is a collection of computers and devices interconnected by communications channels that facilitate communications and allows sharing of resources and information.
RJ45 - Registered Jack 45
RJ45 connectors feature eight pins to which the wire strands of a cable interface electrically.
Network Topology
Network topology is the layout pattern of interconnections of the various elements (links, nodes, etc.) of a computer network.
Cisco Catalyst 2960
Layer 2 switches are frequently installed in the enterprise for high-speed connectivity between end stations at the data link layer.
VPN
A virtual private network is a secure way of connecting to a private LAN at a remote location, using the Internet or any insecure public network to transport the network data packets privately,using encryption.
Straight Through and Crossover Cables
There are two types of network cables commonly used in PC networks – Straight-through and cross-over.
Router
A router is a device that forwards data packets across computer networks. Routers perform the data "traffic directing" functions on the Internet.
Friday, August 24, 2012
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