A. Two peer devices： the vPC peers of which one is primary and one is secondary and are part of a vPC domain.
B. A Layer 3 Gigabit Ethernet link called peer-keepalive link to resolve dual-active scenarios
C. A redundant 10 Gigabit Ethernet PortChannel called a peer link to carry traffic from one system to the other when needed
D. vPC member ports forming the PortChannel
E. A dot1q trunk between the vPC peers
F. A management port that can be used as peer-keepalive link to resolve dual-active scenarios.

A. The Ethanalyzer captures control-plane traffic， while SPAN captures all traffic.
B. The Ethanalyzer captures all traffic including control-plane traffic， while SPAN captures only the control-plane traffic.
C. The Ethanalyzer captures only data traffic， while SPAN captures all traffic.
D. The Ethanalyzer captures only control traffic， while SPAN captures data traffic.

A. show memory detailed
B. show process cpu sorted
C. show system resources
D. show hardware capacity

A. show interface priority-flow-control
B. show interface queuing
C. show queuing interface
D. show policy-map system type queuing
E. show policy-map interface ethernet  type queuing

A. associate interface E2/11 to community VLANs 14 and 50
B. associate interface E2/11 to secondary VLANs 14 and 50
C. associate interface E2/11 to primary VLAN 50 and secondary VLAN 14
D. associate interface E2/11 to primary VLAN 14 and secondary VLAN 50

A. Port priority value can be configured between 1 and 65535.
B. A higher port priority value means a higher priority of LACP.
C. Port priority can be configured so that specific links can be chosen as active links rather than the hot standby links within the port channel.
D. LACP uses the port priority with the port number to form the port identifier.
E. LACP Port priority default value should always be changed

A. Cisco AV-pair
B. TACACS+ or RADIUS ack frame role attribute
C. DH-CHAP challenge attribute
D. privilege level attribute

A. Graceful consistency check is enabled by default.
B. When graceful consistency check is enabled， only the links on the secondary peer device are suspended.
C. Graceful consistency check is disabled by default， so to enable this feature， use graceful consistency-check command under VPC domain configuration mode.
D. When graceful consistency check is enabled， only the inconsistent VLANs on the secondary peer device are suspended.

A. A single VACL can be shared across two or more VDCs.
B. Use of VACLs requires no special license to be installed.
C. VACLs make use of IP or MAC ACLs.
D. Only options drop and forward are permitted.

A. Adjacency Server is required when OTV is deployed with unicast-only transport.
B. Adjacency Server is required when OTV is deployed with multicast-enabled transport.
C. Each OTV device wishing to join a specific OTV logical overlay needs to first register with the Adjacency Server.
D. Each OTV device trying to join a specific OTV logical overlay needs to be configured as an Adjacency Server.

A. NMAC-SHA-96 authentication protocol
B. HMAC-MD5-96 authentication protocol
C. Community String Match protocol
D. NMAC-MD5-96 authentication protocol
E. HMAC-SHA-96 authentication protocol