H31-311_V2.5 Practice Questions

When there is a Critical False In Seconds (SES) in the PM portion of the ODUk layer, which of the following alarms is reported by NMS?

SL64 board is available for OSN 2500.

Which of the following can be used as the central wavelength of the pump source in EDFA? (Multiple choice).

LCK insertion takes precedence over AIS insertion. That is, if the user configures LCK insertion and the conditions for automatic AS insertion are met, the LCK is inserted.

If the overhead bytes pass through two plugged backplane buses, then the two slots are called paired slots that enable automatic transparent transfer of overhead bytes, such as (), () and (). Even if the SCC on the local network element The board is offline, which can also improve msP switching performance and protect DCC communication with other network elements. (Multi-quality selection).

If you group SNCP services with the same source, sink, or route, you can increase the SNCP switching speed

In MSP networking, when the optical fiber is connected between sites, the east light plate of the site is connected to the west light plate of the downstream site, and these stations are connected in turn to form a ring. In this case, the direction from the toko plate of the site to the wine light plate of the downstream station is the direction of the main ring, and the direction of forming the ring is the direction of service.

Which of the following alerts does not trigger an AU-AIS alert?

The clock unit can only access the external clock source as the timing signal source of the system through the external clock interface. In addition; It can also output a processed clock and provide a clock source for other devices that need timing.

When the number of block errors detected by the B2 byte received at the recerve end is returned to the transmit end through the Ml byte, which of the following alarms or performance events are reported at the transmit end?