A. on all ingress interfaces； to ensure maximum throughput on a per-egress， per-CoS basis
B. on all ingress interfaces； to provide independent congestion management and 16 queues
C. on all egress interfaces； so that a congested egress port does not affect traffic directed to other egress ports
D. on all egress interfaces； to prevent head-of-line blocking by utilizing multiple virtual output queues
E. on all egress interfaces； to be able to use EEE 802.1p CoS

A. VRRP does not work with vPC due to industry standard requirements
B. VRRP works with vPC in traditional active/standby modes
C. VRRP works with vPC in an active/active mode
D. VRRP work with vPC as long as vPC peer-gateway is configured to address non-standard replies to the physical MAC address

A. It enables MAC ACLs to be applied to only IP packets that enter the interface.
B. It enables MAC ACLs to be applied to only non-IP packets that enter the interface.
C. It enables MAC ACLs to be applied to all packets that enter the interface.
D. It enables MAC ACLs to be used for QoS settings.

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