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Loop guard and UniDirectional Link Detection both protect against Layer 2 STP loops. In which two ways does loop guard differ from UDLD in loop detection and prevention?()

发布日期:2021-03-17

Loop guard and UniDirectional Link Detection both ...
A

Loop guard can be used with root guard simultaneously on the same port on the same VLAN while UDLD cannot.

B

UDLD protects against STP failures caused by cabling problems that create one-way links.

C

Loop guard detects and protects against duplicate packets being received and transmitted on different ports.

D

UDLD protects against unidirectional cabling problems on copper and fiber media.

E

Loop guard protects against STP failures caused by problems that result in the loss of BPDUs from a designated switch port.

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此试题出现在

儿科护理主管护师(中级)

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