Question 41
What are the ways that NG WDM devices create fibers? (Multiple Choice)
Question 42
Which of the following is a part of the optical layer in the OTN frame structure? (Multiple Choice)
Question 43
Before creating an optical cross-connection, you need to manually configure the corresponding port of the corresponding board as a boundary port, for example, the line-side port of the FIU board between two sites.
Question 44
FOADM includes parallel FOAD and serial FOADM, both supporting 40 waves or 80 waves of arbitrary wavelengths.
Question 45
After starting the extended SSM protocol, in addition to determining the clock quality level and priority, the clock ID is also determined. After receiving the clock signal with the ID, the network element considers that the source is unavailable if it is judged to be the clock signal sent by the station. In this way, even after passing through multiple sites, the network element can still recognize the clock signal sent by itself, preventing the formation of a timing loop.