If a certificate authority trustpoint is not configured when enabling HTTPS and the remote HTTPS server requires client authentication，connections to the secure HTTP client will fail. Which command must be enabled for correct operation？（）

多项选择题WhenusingIPSLAFTPoperation，whichtwoFTPmodesaresupported？（）

A.Only the FTP PUT operation type is supported.
B.Active mode is supported.
C.Passive FTP transfer modes are supported.
D.FTP URL specified for the FTP GET operation is not supported.

单项选择题Refer to the exhibit. Look at the command output. What can you use to prevent this behavior？（）

A.UDLD
B.spanning-tree loopguard
C.VTP mode transparent
D.switchport mode desirable

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.

单项选择题InordertoconfiguretworoutersasanycastRPs，whichoftheserequirements，ataminimum，mustbesatisfied？（）

A.Multicast Source Discovery Protocol mesh-groups must be configured between the two anycast RPs.
B.The RPs must be within the same IGP domain.
C.Multicast Source Discovery Protocol must be configured between the two anycast RPs.
D.The two anycast RPs must be IBGP peers.

单项选择题Refer to the exhibit. Look at the command output. What would be the most probable reason for this port-ID mismatch？（）

A.spanning-tree misconfiguration
B.speed mismatch configuration
C.cabling problem
D.configuration problem