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Which STP standards cannot be used when you have a mixed topology with Cisco and non-Cisco devices?

Which STP standards cannot be used when you have a mixed topology with Cisco and non-Cisco devices?

  • 1- PVST+
  • 2- Rapid PVST+
  • 3- RSTP
  • 4- STP

  • The correct answer is:

  • 1-PVST+
  • 2- Rapid PVST+ 

The types of STP are
a) Spanning Tree Protocol (STP) 802.1D is known as CST Common Spanning-Tree
b)PVST+: Per VLAN Spanning Tree Plus by Cisco.
c) RSTP: Rapid STP is the standard 802.1w
d) Rapid PVST+: Per VLAN Spanning Tree Plus by Cisco.
d)MSTP: Multiple STP is the standard 802.1S and Cisco.

The Cisco proprietary protocols, only available on Cisco’s switches, are
1- PVST+ is enhancement of the 802.1D
2- Rapid PVST+ is Cisco enhancement of the RSTP using PVST+
3-The MSTP, 802.1S, is also available on Cisco devices.

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