H31-341 Free Questions
Which of the following measures regarding ODUK SNCP protection are correct?
A. ODUK SNCP protection can be applied to various forms of leased networks, with
B. Protection principle, dual sending and selective receiving, single-ended switching,
default recovery mode
C. Trigger condition: the board is absent or SF/SD condition
D. When the recovery mode is recovery type, APS protocol is required
Which of the following descriptions of PW APS 1:1 protection is correct? (Multiple Choice)
A. Under normal circumstances, services are only transmitted in the working PW. Only when the
working Pw fails, the service is switched to the protection PW.
B. Under normal circumstances, services are only transmitted in the working PW, while the
protection PW is used to transmit the APS protocol.
C. Like Tunnel APS, it is detected through MPLS-TP OAM.
D. The receiving end adopts automatic bridging to realize switching
Which of the following descriptions about 64K SNCP protection is correct? (Multiple Choice)
A. Switching time <50ms
B. Support double-ended switching
C. Double send and selective receiving
D. Recovery mode supports recovery and non-recovery
Using an OTU board with FEC function can improve the performance of the system in many ways.
Which of the following descriptions are correct? (Multiple Choice)
A. Able to equalize the optical power of the system
B. Can improve the tolerance of the system to noise
C. Early warning of system performance degradation
D. Can increase the length of the single span of the system
For diamond-level services, the conditions for triggering SNCP protection switching include SF and
SD. What are the following alarms that SF triggers SNCP protection switching? (Multiple choice)
Which of the following descriptions a