JN0-649 · Question #137
Which three configuration parameters must match on all switches within the same MSTP region? (Choose three.)
The correct answer is A. VLAN to instance mapping B. revision level E. region name. When enabling MSTP, you define one or more MSTP regions. An MSTP region defines a logical domain where multiple spanning-tree instances (MSTIs) can be administered independently of MSTIs in other regions, setting the boundary for bridge protocol data units (BPDUs) sent by one…
Question
Which three configuration parameters must match on all switches within the same MSTP region? (Choose three.)
Options
- AVLAN to instance mapping
- Brevision level
- Cconfiguration name
- Dbridge priority
- Eregion name
How the community answered
(46 responses)- A78% (36)
- C15% (7)
- D7% (3)
Explanation
When enabling MSTP, you define one or more MSTP regions. An MSTP region defines a logical domain where multiple spanning-tree instances (MSTIs) can be administered independently of MSTIs in other regions, setting the boundary for bridge protocol data units (BPDUs) sent by one MSTI. An MSTP region is a group of switches that is defined by three parameters: Region name - User-defined alphanumeric name for the region. Revision level - User-defined value that identifies the region. Mapping table - Numerical digest of VLAN-to-instance mappings. tree-configuring-mstp.html
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