Uses a single cable or conductor to connect all nodes
Bus
Lowest layer of the model
Physical
Makes no decision about where a packet is sent
Layer 1 device
Standardization of computer equipment
ISO
Ensures character-code recognition
Presentation Layer
Involves running cables from each node to connect a single point
Star
Describes how raw data is packaged for transfer
Data link
Switches that decisions based on MAC address.
Layer 2 device
Describes how hardware and software should work together to form a network communication system
OSI
Interfaces directly to application
Application layer
Runs continuously from node to node
Ring
Primarily responsible for addressing and navigating networks
Network
Routers that make a decision based on a protocol.
Layer 3 Devices
Comprises 46 different countries and other organizations
ISO
IEEE version splits the data link layer into two
sublayers ____________ __________ _________
LLC and MAC
Each node connects to every other node
Mesh
Sequences packets and reassembles them into correct order
Transport
A ____ is an example of a layer 1 device
Cable
Serves as a guide for troubleshooting and designing systems
OSI
Name three topologies
Bus, ring, mesh, tree, star.
a mixture of topologies.
Hybrid
Establishes a connection between two different computers
Session
Layer 3 can also route.......
IP
Developed the OSI model
ISO
What is the middle layer of the OSI model
Transport
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