Huawei
H12-821_V1.0 · Question #560
H12-821_V1.0 Question #560: Real Exam Question with Answer & Explanation
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Question
As shown in the figure, SW1 and SW2 have just run RSTP and are now performing spanning tree calculation. So, which of the following descriptions about the port synchronization process in the P/A mechanism are correct? (Multiple choice)
Options
- AAfter the ports of SW2 are synchronized, all downstream ports enter the Discarding state
- BSW2 receives the RSTBPDU with the Proposal bit set from the root bridge, and starts to put all its ports into the synchronous state
- CWhen each port in SW2 receives the Sync from the upstream RSTPBPDU, it sets the status of the port
- DWhen the downstream port of SW2 is synchronized, the status of the AP port remains unchanged
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