Thursday, February 3, 2011

QUESTION 23 Switch ports operating in which two roles will forward traffic according to the IEEE 802.1w standard?

QUESTION 23
Switch ports operating in which two roles will forward traffic according to the IEEE 802.1w standard? (Choose two.)

A. alternate
B. backup
C. designated
D. disabled
E. root

Answer: CE

Root Port:The SwitchPort on each switch that has best root path cost to the root.

Designated Port: The switch port on the network segment which has best root path cost to the root.

Alternate Port:Which has the best alternate path to the Root Bridge other than the path that Root Port takes.This path is less desirable than path of Root Port.

Backup Port:Is rudundent path to a Network Segment where the switch port is connected.

Disabled: The Port is Disabled for the traffic to pass through it.

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