Which two statements about the various implementations of STP are true? (Choose two.)
A.
Common Spanning Tree maintains a separate spanning-tree instance for each VLAN
configured in the network.
B.
The Spanning Tree Protocol (STP) is an evolution of the IEEE 802.1w standard.
C.
Per-VLAN Spanning Tree (PVST) supports 802.1Qtrunking.
D.
Per-VLAN Spanning Tree Plus(PVST+) is an enhancement to 802.1Q specification and is
supported only on Cisco devices.
E.
Rapid Spanning Tree Protocol (RSTP) includes features equivalent to CiscoPortFast,
UplinkFast, and BackboneFast for faster network reconvergence.
F.
Multiple Spanning Tree (MST) assumes one spanning-tree instance for the entire Layer 2
network, regardless of the multiple number of VLANs.