802 Standards

Question 1

802.1X

Answer 1

Authentication using EAP for Network Access Control (NAC).

Question 2

802.1d

Answer 2

Spanning Tree Protocol (STP)
Permits redundant links between switches & prevents looping of network traffic (layer 2)

Question 3

802.1w

Answer 3

Rapid Spanning Tree Protocol (RSTP)
Faster, introduces Root Port (RP)

Question 4

802.3

Answer 4

Ethernet
Media Access Control (MAC)
Frames
Layers 1 & 2

Question 5

802.1Q

Answer 5

VLAN Tagging of ethernet frames

Question 6

802.11h

Answer 6

Uses Dynamic Frequency Selection (DFS) & Transmit Power Control (TPC) to avoid interference in the 5GHz-band, to follow European regulations.

Question 7

802.3af

Answer 7

Original Power over Ethernet (PoE) standard, 13-15.5 watts.

Question 8

802.3at

Answer 8

Power over Ethernet+ (PoE+) standard, increases available power to 25.5 watts, but backwards-compatible with original PoE, lower-power devices also.

Question 9

802.11i

Answer 9

Includes Wi-Fi Protected Access 2 (WPA2)