Which of the following are components of a Virtual PortChannel system?

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?
(Choose four)

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.