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Chapter 4. Ethernet Technology - Coggle Diagram
Chapter 4. Ethernet Technology
Carrier-Sense Multiple Access/Collision Detect (CSMA/CD).
The procedure used by Ethernet to decide whether it is safe to transmit, detect
collisions, and retransmit if necessary
Carrier-Sense Multiple Access/ Collision Avoidance (CSMA/CA)
full-duplex mode
device can simultaneously send and receive at the same time.
In half-duplex mode,
[ a networked device cannot
simultaneously send and receive,]
Distance and Speed Limitations
The bandwidth
[The bandwidth of a network is measured in terms of how many bits the network can
transmit during a 1-second period of time.]
Ethernet Type and Ethernet Bandwidth Capacities
Fast Ethernet*
/ 100Mbps: 100 million bits per second (that is, 100 megabits per
second)
**Standard Ethernet
/10Mbps: 10 million bits per second (that is, 10 megabits per second)**
Gigabit Ethernet
/1Gbps: 1 billion bits per second (that is, 1 gigabit per second)
100-Gigabit Ethernet
/100Gbps: 100 billion bits per second (that is, 100 gigabits per
second)
10-Gigabit Ethernet
/10Gbps: 10 billion bits per second (that is, 10 gigabits per second)
Ethernet Switch Features
Virtual LANs (VLAN)
Switch Configuration for an Access Port
Trunk
is to allow traffic for
multiple VLANs to travel over a single connection, a
Spanning Tree Protocol
what is the goal of STP?
STP prevents Layer 2 loops
from occurring in a network because such an occurrence
might result in a broadcast storm or corruption of a switch’s MAC address table
STP topology are classified as one of the following
Root bridge
bridge id (BID )is made up of a priority value and a MAC address
Nonroot bridge
All other switches in the STP topology are nonroot bridges