H31-311試験無料問題集「Huawei HCIA-Transmission V2.0 認定」

In the system control unit, which of the following databases do not lose data after a power failure?

If the overhead bytes pass through the backplane bus between two slots, the two slots are called paired slots. Paired slots implement automatic transparent transmission of overhead bytes, such as (),(), and (). This improves MSP switching performance and protects DCC communication with other NEs even if the SCC board on the local NE is offline. (Multiple Choice)

WDM multiplexes the optical signals at multiple rates (wavelengths) over one fiber for transmission. The digital signals carried by these optical signals must have the same rate and data format.

For an OSN 3500, which of the following boards provides the centralized backup function for the +3.3 V power supply of each board in the subrack?

Which of the following are the steps for multiplexing low-speed services into high-speed SDH services?
(Multiple Choice)

The EPL service exclusively uses bandwidth on the line, which is highly secure. It is applicable to the private line application of VIP customers.

Frame-Mapped GFP (GFP-F) is a processing mode oriented to data coding blocks (such as Fiber Channel and ESCON).

The STAT indicator of an SDH board is blinking red, on for 100 ms and off for 100 ms. Which of the following is the meaning of the indicator status?