题目内容

Virtual PortChannels (vPCs) allow links that are physically connected to two different Cisco switches to appear to a third downstream device as coming from a single device and as part of a single port channel. Which of the following are components of a Virtual PortChannel system? ()

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.

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