Click on the exhibit.

Consider the topology and MLS1 configuration shown, and given the following conditions:
· MLS1 delivers the PRC traceable clock to the network · Reference 1 receives Quality Level (QL) - PRS
· Reference 2 receives QL - DUS
· BITS sets QL-STU
Which quality level will MLS1 deliver to POC2-1 on its Synchronous Ethernet (SyncE) port 1/2/7?
- QL-DUS
- QL-EEC2
- QL-PRS
- QL-STU
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