41、which feature can you implement to most effectively protect customer traffic in a rate-limited WAN ethernet service?

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单选题

41、which feature can you implement to most effectively protect customer traffic in a rate-limited WAN ethernet service?

A.

HCBWFQ

B.

INTSERV WITH RSVP

C.

DIFFSERV

D.

THE IPSEC VTI QOS PRE-CLASSIFY COMMAND

E.

Q-IN-Q

题目信息

CCIE

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