802.3 Standards

Question 1

802.3ad

Answer 1

Link Aggregation
* allows for combination of multiple physical connections into one single logical connection, increased bandwidth and minimizes congestion

Question 2

802.3af

Answer 2

Power Over Ethernet

* supplies electrical power over ethernet, up to 15.4 watts of power

Question 3

802.3at

Answer 3

Power Over Ethernet+

* supplies electrical power over ethernet, up to 25.5 W of power

Question 4

802.1D

Answer 4

Spanning Tree Protocol

* permits redundant links between switches and prevents looping of network traffic

Question 5

802.1x

Answer 5

User Authentication

* process of authenticating users before gaining access to a network, uses a supplicant and authentication

Question 6

802.1q

Answer 6

VLAN Trunking

* multiple VLANs are transmitted over the same physical cable