Which messages, periodically sent between an IEEE 1588v2/Precision Time Protocol (PTP) v2 master and slave, serve as hellos to help the slave choose the best available master?
A. Announce
B. Announce_grant
C. Sync
D. Delay_response
Answer: A
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) - ST3
· 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?
A. QL-EEC2
B. QL-PRS
C. QL-ST3
D. QL-STU
Answer: C
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