Mahmmoud Mahdi
Discussion: Network Components Common Types Types of Media What is a switch? What is a router? What is a firewall?
Is a LAN communicate device Tracks the location of computers
Moves packets between networks Tracks networks not computers Is required between physical locations Is sometimes referred to as a gateway
Is a router with rules Controls inbound and outbound communication Protects hosts behind the firewall
What is a LAN? What is a WAN? WAN? What is a Branch office Discussion: branch office challenges What is a perimeter network? What is remote access?
Is a single physical location Has fast network connectivity Has typically minimal control
Is used between physical locations Has slower connection speed than a LAN Is more expensive than LAN connectivity Uses connectivity typically provided by another company
A branch office is remote location that is connected by WAN links to the head office with
A generally small number of users Limited local support resources Limited local computing resources
What are the challenges of branch office communication?
Isolates LAN resources Increases security
Provides access to LAN resources from outside the office Can be VPN or dial-up
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