Free certification test prep

QUESTION 22
For MSPs, you need to set the MSP protocol ID for each NE. To ensure that each ID is unique, it is recommended to set the MSP protocol ID to the value that is compatible with the network element ID.

QUESTION 23
In the frame structure of the SDH signal, there are large overhead bytes for operation, management, and maintenance (OAM). Overhead bytes account for all bits () of the entire frame and greatly enhance the monitoring capabilities of the network.

QUESTION 24
SL64 board is available for OSN 2500.

QUESTION 25
The rate of SF64 and SL64 boards is STM54. Therefore, the two plates can be interconnected.

QUESTION 26
Suppose 2 VC-12 time slots need to be bound to the VCTRUNK1 of the N2EFS4 board. When there are 8 VC4 slots on the N2EFS4 board, which of the following slots meets the requirements?

QUESTION 27
The 1510nm optical monitoring channel can be effectively amplified after passing through EDF

QUESTION 28
Which of the following layers define the protocols that control the network layer? The protocol for this layer applies to logical links, i.e. end-to-end connectivity between two devices.

QUESTION 29
Array waveguide grating (AWG) multiplexer/multiplexer has the following advantages: short wavelength spacing, large number of channels and flat passband. Suitable for DWDM systems in ultra-high speed, large tubes.

QUESTION 30
During service configuration, there are two time slot modes. Huawei uses interleaved time slot mode by default.

QUESTION 31
When there is a Critical Error In Seconds (SES) in the PM portion of the ODUk layer, which of the following alarms is reported by NMS?

QUESTION 32
The working mode of the port determines the flow control mode of the port.
When the operating mode is 100Mbit/s full duplex, one of the following flow control modes can be used

QUESTION 33
Which of the following is not an EVPLAN feature?

QUESTION 34
The number of ODU2e signals multiplexed into the ODU3 signal is the same as the number of ODU2 signals multiplexed into the ODU3 signal

QUESTION 35
Which of the following alarm/event storage modes does U2000 support? (Multiple choice).

QUESTION 36
Which factors determine the optical signal-to-noise ratio (OSNR) of the receiving end to a certain extent After the signal transmission in the WOM system is transmitted over a certain distance, the “oSNR” of the receiving end of the optical signal-to-noise ratio is reduced to a certain extent. Which of the following is the main cause?