H31-341_V2.5 Exam Questions

Which of the following options is not an advantage of EDFA optical amplifiers?

What operation does the PROG indicator of the NG WDM device board blink rapidly (green) indicate?

Which of the following descriptions about electrical layer scheduling is wrong?

Which of the following commissioning ranges should the optical power of each single wave before combining (that is, the input optical power of the combining board) be within?

When PWE3 emulates TDM services, when the UNI side interface uses CRC4-multiframe access, which emulation method does PWE3 use?

Which of the following services has the smallest frame period?

Which of the following descriptions about optical line protection is wrong?

In a chain network, NE1, NE2, and NE3 are all OADM sites, and NE1 is a gateway network element, and uses OSC communication. When the optical monitoring board at the intermediate si...

In the deployment or expansion scenario, alarm reversal can reverse the alarm state and reduce a large number of unnecessary alarm reports. Which of the following descriptions abou...

If only all network elements in a certain subnet are out of management on the network management system, and network elements belonging to other subnets communicate normally, which...

In the troubleshooting scenario, which of the following descriptions about the alarms reported when the optical monitoring board receives abnormal light is correct?

In the troubleshooting scenario, which of the following descriptions about the channels for obtaining signal flow information is wrong?

The optical monitoring channel is set up for the monitoring of WDM optical transmission systems. ITU-T recommends that 1510nm wavelength be used first. Which of the following is th...

When using the path method to create OCh, which of the following service layer paths is required?

Which of the following paths have nothing to do with business?

For OSN series equipment, what alarm will be reported when one of the PIUs is not connected to the power supply?

For OSN series equipment, when the standby board is normal, which of the following operations will not cause the active/standby switchover of the crossover or clock board?

In a 25GMSP ring consisting of four MSTP stations. When protection switching occurs, which of the following statements about alarm reporting are correct?

In terms of protection capability, which of the following topological structures has the strongest protection capability?

Which of the following is the maximum service capacity on the STM-4 bidirectional multiplex section protection ring composed of four network elements?

Which one of the following networking forms that support additional service configurations.

In the Windows operating system, the log files of the U2000 program itself are stored in which of the following directories of the U2000 installation drive letter?

Assuming that the IP address of the U2000 network management system is: 58.251.159.100/255.255.0.0, which of the following IP addresses cannot be used as the IP address of the gate...

The input optical power of an OAU101 board in a network is -19dBm, and the output power needs to reach 1dBm. Due to the long distance, a DCM (D) module is connected between the TDC...

The time slot used to transmit OTN optical overhead information in OSC overhead is?

Which of the following is the effect of changing the network element ID of OSN3500 on the NMS?

The four-wave mixing phenomenon is the most serious when the optical signal propagates in the optical fiber of which of the following option, and the transmission damage caused by...

Which of the following is the OPUk payload structure identification overhead?

The mask of an IP subnet is 28 bits, then the number of hosts in the subnet is?

Which of the following is not included in the basic architecture of MPLS L2VPN?

The setting of alarm reversal is based on?

The maximum cross-connect capacity of a single slot of the OSN 8800T32 enhanced subrack is?

Which of the following is the multiplexing method of SDH?

The interval between two adjacent pointer alignment events is at least () frames.

The two-fiber ring topology composed of 3 network elements is arranged in counterclockwise order, when the services between A, B, CA and C occupy the 48th VC-12 in the first VC-4 o...

When the value of the S1 byte is Ox02, it means ().

In the same ASON network, which of the following parameters can uniquely identify an intelligent network element within the scope of the intelligent domain?

Which of the following costs is not included in the OOS cost?

Which of the following is the common point between the two-fiber bidirectional multiplex section shared protection ring and the four-fiber bidirectional multiplex section protectio...

Which of the following are not part of the ASON control protocol?

Which of the following descriptions of the characteristics of differential protection services are wrong?

The current sparse wavelength division multiplexing system generally works in the band from 1271nm to 1611nm. Which of the following is the channel spacing?

If there is no plug-in board on the hardware, which of the following indicator light of SSN1PQ1 will be red?

The length range of the DATA field in the Ethernet frame structure is?

After a certain distance of transmission in the WDM system, the optical signal-to-noise ratio of the signal at the receiving end will decrease to a certain extent. The most importa...

When testing the overload point and sensitivity of the IN port of the OTU board, which of the following is unnecessary?

Which of the following statements about extended ECC is wrong?

Which of the following is the number of VLANs that QINQ technology can provide?

The frame structure of TU3 is a bit incomplete and needs to fill up the gap. This can effectively prevent which of the following phenomenon from occurring?

Which of the following description about 1+1 optical line protection is wrong?