Network Essentials Flashcards
Network Essentials
Group or system of interconnected people or things.
2 or more connected computers that can share resources.
Local Area Network
LAN
Small (Network) Group of interconnected computers.
2 host computers talk in binary code (1 and 0)
Router
Connects 2 LANs
Common Network Components
-3 Most common?
Workstation
Servers
Host
Servers
-5 different servers
Mail Server Web Server Application Server Proxy Server File Server
Mail Server
Networks “post office”. Handles email functions
Web Server
Manages Web activities by using hypertext transfer protocol (HTTP) for storing web content and accessing web pages
Application Server
Manages network applications
Proxy Server
Handles tasks in place of other machines on network. Like internet connection
File Server
Stores and dispenses files
Host
Any network device with an IP Address
Wide Area Network
WAN
Bigger than LAN
Usually needs router port(s)
Larger geographic are
Internetwork
Type of LAN and/or WAN that connects a bunch of networks or intranets.
Centralized
Type of WAN
Composed of a main centrally located computer or location that remote computers and devices can connect to.
Multiprotocol Label Switching layout
MPLS
Switching mechanism that imposes label (numbers) to data and then uses those labels to forward data when it arrives at the MPLS network