DCNM is capable of monitoring the network performance of a SAN. What are the three primary areas of this operation？ （）  

A. If none of the authentication servers that are configured for the current authentication mode responds to an authentication request， the DCNM-LAN server falls back to localauthentication.
B. DCNM-LAN only supports TACACS+.
C. Each DCNM-LAN server will have the same device credentials.
D. Administering DCNM-LAN authentication settings requires an authentication license.
E. DCNM-LAN server users are local to the DCNM-LAN server.

A. changing the default policy map from a default MTU of 1500 to 9216
B. using the command system jumbomtu 9216
C. using the command interface MTU 9216
D. configuring the default Ethernet system class to an MTU of 9216 with a new network QoS policy map

A. two IP addresses， one for each supervisor
B. three IP addresses， one virtual IP and one physical IP for each supervisor
C. one IP address that is shared among supervisors
D. none—management 0 will use the IP address from the first SVI that is created