多项选择题
Which three statements are true about TACACS+？（）
A.It is a Cisco proprietary protocol.
B.It runs on TCP port 59. .
C.Authentication and authorization are done at different stages.
D.TACACS+ encrypts the entire body of the packet， but leaves a standard TACACS+ header.
E.It is an industry standard protocol.
F.TACACS+ encrypts both the entire body of the packet and the TACACS+ header.
相关考题
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单项选择题
WhatisPhantomRPusedfor？（）
A.it is used for load balancing in bidirectional PIM
B.it is used for redundancy in bidirectional PIM
C.it is used for redundancy in PIM-SM
D.it is used for load balancing in PIM-SM -
单项选择题
Refer to the exhibit. Look at the command output. What can you use to prevent this behavior？ （）
A. UDLD （UniDirectional Link Detection）
B. spanning-tree loopguard
C. VTP mode transparent
D. switchport mode desirable -
单项选择题
WhichIGMPv2messagecontainsanon-zero"MaxResponseTime"？（）
A.Membership Query
B.Membership Report
C.Membership Delay
D.Backward Compatible IGMPv1 Report Message
