A. EPLD upgrade， IOS ISSU， FCoE feature enablement， CoPP configuration， and rolling back a checkpoint
B. EPLD upgrade， Cisco IOS ISSU， FCoE feature enablement， CoPP configuration， and ACL capture enablement
C. EPLD upgrade， Cisco IOS ISSU， FCoE feature enablement， CoPP configuration and SNMP configuration
D. EPLD upgrade， Cisco IOS ISSU， FCoE feature enablement， CoPP configuration， and write erase

A. They make it easier to manage user logins and passwords across devices.
B. They enable automated configuration backup for devices.
C. They centrally manage user attributes and permissions.
D. Local console access is never included in AAA and can be used for access when the AAA servers are down.

A. It communicates with all other community ports in the private VLAN domain.
B. It communicates with only isolated ports in the private VLAN domain.
C. It communicates only with other community ports in the same community and associated promiscuous ports.
D. It communicates only with associated promiscuous and isolated ports.

A. STP must be disabled； message indicates that STP is enabled.
B. STP is misconfigured； root guard must be disabled.
C. An inferior BPDU is received on a Cisco FabricPath edge port.
D. A superior BPDU is received on a Cisco FabricPath edge port.

A. short-text-destination
B. prerecorded audio alerts
C. CiscoTAC-1
D. dial911
E. full-text-destination

A. FabricPath switch ID must be configured under the vPC domain.
B. Virtual switch ID of vPC+ must be configured under FabricPath domain.
C. On Cisco Nexus 7000 Series Switch， F1 interfaces must be used as the vPC+ peer links.
D. The vPC+ peer link must be configured as a Cisco FabricPath core port （switchport mode fabricpath）.
E. FabricPath subswitch ID must be configured under the vPC domain.

A. encryption—scrambles the packet contents to prevent them from being seen by unauthorized sources
B. password—a password （community string） sent in clear text between a manager and agent for added protection
C. authentication—determines that the message is from a valid source
D. message integrity—ensures that a packet has not been tampered with while it was in transit 
E. user—to determine if user authentication is used instead of community strings

A. Join interface is a Layer 3 entity， and with the Cisco NX-OS release 6.0， it can only be defined as a physical interface， physical subinterface， Layer 3 port channel， or Layer 3 port channel subinterface.
B. A single join interface can be defined and associated with a given OTV overlay.
C. Multiple overlays can also share the same join interface.
D. Join interface can be a loopback interface.
E. The join interface is a Layer 3 entity that can be defined as a physical interface but not as a logical one.

A..On N7K-1，configure the HSRP extended hold timer to 180， extending the HSRP hello message hold time.
B..On N7K-2，configure the HSRP extended hold timer to 180， extending the HSRP hello message hold time.
C..On N7K-1，configure the pre-empt delay minimum to 180 in order to delay N7K-1 from taking over as the HSRP active router.
D..On N7K-2，configure the pre-empt delay minimum to 180 in order to delay N7K-2 from taking over as the HSRP active router.
E..On N7K-2，increase the HSRP priority to 150. 
F. On N7K-2，decrease the HSRP priority to 50.

A. When an OTV edge device receives a Layer 2 frame destined for a remote data center site， the frame is logically forwarded to the overlay interface.
B. The OTV edge device performs the dynamic OTV encapsulation on the Layer 2 packet and sends it to the join interface toward the routed domain.
C. When the OTV edge device receives a Layer 2 frame destined for a remote data center site， the frame is logically forwarded to the join interface.
D. The OTV edge device performs the dynamic OTV encapsulation on the Layer 2 packet and sends it to the overlay interface toward the routed domain.