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.

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热门试题

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

单项选择题Apartfrominterdomainmulticastrouting，whatelseisMSDPusedfor？（）

A.Source Specific Multicast and IGMPv2
B.Announcing multicast sources to BGP speakers
C.Anycast RP
D.Intradomain multicast routing

单项选择题Refer to the exhibit. Look at the command output. Assume that there is no other path， and the configuration is correct. What would be the consequences of this situation？（）

A. Users in SW1 can ping SW2 but not vice versa.
B. Users in SW2 can ping SW1 but not vice versa.
C. Users in SW1 and SW2 can ping each other.
D. Users in SW1 and SW2 cannot ping each other.