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MIS 340 Chapter 8

vocabulary from the textbook

access layer the access layer is the part of a network that connects clients or servers to the rest of the network; is often a LAN ("Local Area Network")
BN "Backbone Network" a large network to which many networks within an organization are connected; usually is a network that interconnects all networks on a single site, but can be larger
core layer the central part of a network that provides access to the distribution layer; often a very fast BN ("Backbone Network") that runs through the center of a campus or office complex
distribution layer the part of a network that connects the access layer to other access layers and to the core layer; is often a BN ("Backbone Network") in a building
enterprise network a BN ("Backbone Network") that connects all networks within a company, regardless of whether it crosses state, national, or international boundaries
gateway a device that connects to dissimilar network; allows networks of different vendors to communicate by translating one vendor's protocol into another
layer-2 switch uses the data link layer (layer 2) address to forward packets between network segments; learn addresses by reading the source and destination addresses
layer-3 switch functions similarly to layer-2 switches, but switch messages on the basis of their network layer address (usually IP address)
multiprotocol router can understand several different network layer protocols
routed backbone move packets along the backbone on the basis of their network layer address; sometimes called "subnetted backbones" or "hierarchical backbones" and are most commonly used to connect different buildings within the same campus network
router a device that connects two similar networks having the same network protocol; also chooses the best route between two networks when there are multiple paths between them
multiswitch VLAN in which several switches are used to build VLANS
single-switch VLAN a VLAN that operates only inside one switch
VLAN "Virtual Local Area Network" a network in which computers are assigned to LAN segments by software rather than by hardware
Created by: Gossamer