H31-341_V2.5 Exam Questions

How many VC12 virtual TE links are supported by the same physical board or between two adjacent network elements?

For WDM networks, which of the following descriptions are correct?

In the following OTN frame structure overhead, which item represents the path tracing identifier?

Which of the following statements about the delay test is wrong?

When congestion occurs, queuing strategies can be varied. If you need to get services for the first arriving packets, you can use the () queuing strategy; if you want to ensure tha...

When using the dual slot line group MSP ring, which of the following situations is the multiplex section overhead K bytes in the pass-through state?

In the network management planning process, which item is not absolutely necessary?

If a ROADM site adopts WSS+RMU configuration, which of the following impact on SOM is wrong?

Which of the following description of the 100G mixed transmission system is wrong?

Which of the following is the performance related to SM segment error?

Which of the following protections in microwave equipment does not require dual slots?

Reasons which is impossible for OTN equipment and network elements to be disconnected frequently?

Which reason for the OA_LOW_GAIN alarm is wrong?

Which of the following statements about the main and backup channels of optical line protection is wrong?

In the path search process of the U2000 network management, the path search management module first scans the cross-connections of each network element, constructs sub-paths accord...

After which of the following steps, the rollback operation cannot be performed?

In order to meet the specified synchronization quality requirements, corresponding requirements must be made on the network for synchronous transmission, and the specified networki...

For NG-SDH equipment equipped with dual main control boards, when the main control board is upgraded, which of the following statements is correct?

Regarding the TTX board, which of the following statements is correct?

In the process of equipment installation, which of the following statements are wrong?

OptiX OSN 1800 is a compact multi-service optical transmission platform. Which of the following descriptions is wrong?

When configuring the dual-stage amplifier board of RAU+OAU, which position in the figure below is the best recommended position for the DCM module?

The clock ID can solve the possible timing loop problem. In the following networking, in order to completely solve the clock loop, how many clock IDs need to be set in total?

Regarding the reporting of the OTUk_BDI alarm, which of the following statements is wrong?

Regarding the description of OSS, which is wrong?

In NG-SDH equipment, which of the following conditions will not cause TPS switching to occur?

Which of the following performances do not need to be evaluated when expanding the wavelength division system of the existing network?

Which of the following descriptions about the client-side 1+1 protection features is wrong?

The gain of the OAU single board is 23db, and 1% of the total output power of the OAU single board is used for MON detection. Now the output optical power of the MON port is tested...

During the U2000 dual-system installation and commissioning, the operations that can be performed by the ossuser user are?

In coherent systems and non-standard fiber entry scenarios, the reference point of fiber entry optical power is moved from the output port of the optical amplifier board at the sen...

For a point-to-point network, set the TIM mode on the network management system to path terminal sink "only compare DAPI".

The two-fiber bidirectional multiplex section shared protection ring requires the active and standby boards to be inserted into the dual slot.

The instrument test method is generally used to eliminate external problems of transmission equipment and docking problems with other equipment.

The OAU board at the 48-wave OTM site completes signal amplification.

Ring multiplex section protection utilizes K1 and K2 bytes to transmit switching requests to realize automatic protection.

SOTU stands for Single Optical Transport Unit Interface, and MOTU stands for Multiple Optical Transport Unit Interface.

The technology of using local oscillator lasers of the same frequency to interfere with the received optical signal, and recovering the amplitude, phase and polarization state info...

The protection channel of the 1+1 linear multiplex section can be configured with additional services.

The essence of QPSK modulation is to select 4 possible values on the optical field phase, so that the baud rate can be reduced by half without reducing the line rate.

The switching mode of 1:1 linear multiplex section can be single-ended switching or double- ended switching.

The switching mode of the 1+1 linear multiplex section can be single-ended switching or double- ended switching.

The ECC protocol uses the network element ID as the unique identification of the network element. When NCE identifies different network elements in the interface and database, it a...

The OSC monitoring wavelength is 1510nm, the rate is 2Mb/s, and the receiving sensitivity can reach -48dBm.

AGC can solve a multi-wavelength WDM system. When some wavelength signals are lost, due to gain competition, its energy will be transferred to those signals that are not lost, maki...

The OTUCn signal consists of n interleaved frames of 4080 columns and 4 rows, and n can take values of 2, 4, etc., representing 200G and 400G respectively.

The path at the GE level is essentially a path at the Client level.

The indicator light of OptiXtrans E6600 LOSn is red and blinks once every 3 seconds. Which of the following is it?

If a fiber break occurs between the amplifier OA and the FIU, which of the following alarms will be reported by the system?

Which of the following maintenance signals is not a proactive OAM?