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多选题
Which two items best describe a Cisco IOS IP SLA responder?()
A

required at the destination to implement Cisco IOS IP SLA services

B

improves measurement accuracy

C

required for VoIP jitter measurements

D

provides security on Cisco IOS IP SLA messages via LEAP or EAP-FAST authentication

E

responds to one Cisco IOS IP SLA operation per port

F

stores the resulting test statistics


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