In the EPON system, the port that the ONU device connects to the user is
A . OLT
B . ONU
C . NNI
D . UNI
Answer: D
Explanation:
Network side interface NNI , user side interface UNI
Latest GB0-391-ENU Dumps Valid Version with 490 Q&As
Latest And Valid Q&A | Instant Download | Once Fail, Full Refund