H31-341_V2.5 Exam Questions

Which of the following bytes can be used for wired telephony between two REG devices?

In Ethernet, the frame length has a lower limit, which is mainly due to which of the following considerations?

The following description of the electrical layer multiplexing phase mapping steps of ODUO. Which description is wrong?

MPLS technology can be nested in multiple layers. There is no limit. It is only limited by (). It has good scalability. Which of the following is correct?

The network must have protection capabilities. Which one is the first condition that needs to be met?

Which of the following descriptions about the performance parameters of line optical fiber quality monitoring is wrong?

Which of the following descriptions about 64K service configuration and SDH cross-connect configuration is wrong?

Establish an Ethernet private line service between H (HQ) and H2 (branch) of the enterprise and bind 5 VC-12s in the corresponding VCTRUNK. When a C-12 fails, the Ethernet between...

The rate of STM-1 is () bit/s.

Which of the following time periods is the information of the 2M signal loaded into the multiframe?

In the fault handling scenario, the loopback method is one of the commonly used fault location methods. Which of the following descriptions about the loopback method is wrong?

In the characteristic test of the splitter (multiplexer), what standard should the isolation test meet?

Which of the following description about using the synchronous method to create fibers is wrong?

Which of the following description about single-station commissioning is wrong?

In the Colored&Directioned scenario of 4-dimensional ROADM, how many sets of M4OV+D40 are needed to realize local business scheduling to four directions?

For a 10G OTU board, the optical module at the receiving end uses a PIN module, so which of the following receiving powers is within the normal receiving range of the board?

Which of the following options does not belong to the PW APS switching conditions?

Which of the following description about ODUk ring network protection is wrong?

Which of the following is the meaning of "L" in the optical module parameter "L-642"?

Which of the following logical function blocks is used to generate an R-LOS alarm?

Which of the following is the class B address 154.19.2.3 network address?

When a signal with a standard Ethernet frame length of 64Bytes is connected to the Ethernet board, if the QinQ function is enabled, what is the actual frame length of the signal in...

Which of the following description about Flexible ROADM is wrong?

Which of the following description about SW SNCP protection is wrong?

The TOA board is an 8-way arbitrary rate service tributary processing board. Which of the following description about the TOA (STND) board is wrong?

The number of bit error blocks on each VC4 channel is detected by B3 at the receiving end. At the same time, the information which is sent back to the sending end through Q HP-REI...

Which of the following is the monitoring overhead for monitoring and reporting OTUk_DEG and OTUk_EXC alarms?

Which of the following reasons will not cause the network management to report the MUT_LOS alarm?

PWE3 is a Layer 2 service bearer technology that can imitate the basic behavior and characteristics of which of the following services as realistically as possible in the packet sw...

Which of the following is correct in describing the order in which the signal flow between the SDH interface and the crossover unit flows through the module unit?

After successfully deploying the PWE3 service, the "deployment status" of the PWE3 service is displayed?

Which of the following ITLI-T recommendations define the OTN frame structure?

Which of the following alarms did the peer report when a bit error was detected in the B2 byte?

Which of the following subracks does not support the configuration of grouping boards?

The "2" in the optical module parameter "L-64.2" indicates which of the following working windows?

Which of the following protocols does not belong to the MPLS signaling protocol?

During the maintenance of OSN equipment, it is often seen that the fan is running at full speed and the equipment reports a TEMP_OVER alarm. The common reasons and solutions are?

Which of the following description of the contents of the calculation formula of the maximum line rate frame rate (N=Ratc/((L+7+1+M)x8)) is wrong?

The technology of recovering amplitude, phase and polarization state information from the received signal by using which of the following characteristics of the laser to coherent w...

The optical fiber quality detection light of the TNF1AST4 board shares the light source with the OSC channel. Use the TNF1AST4 single board in the which type model (when performing...

Which of the following network element users belong to the debug level?

Which of the following optical fibers has dispersion characteristics that meet the following description: the dispersion is 0 at 1310nm, and the typical value of the dispersion coe...

Which of the following is the frame structure of STM-16?

Which of the following statements about clock sources is wrong?

The user-oriented interface and transmission network-oriented interface of the E-Line service are?

Which of the following descriptions about the composition of the SOM system is wrong?

For OSN3500. Which of the following boards provides a centralized backup function for the +33V power supply of each board in the subrack?

Which of the following is a functional unit. It provides the interface related to the orderwire telephone and the serial data of the system?

Which of the following descriptions about multiplexing is correct? In the process of byte interleaved multiplexing, the information payload and pointer bytes of each frame are inte...

E&M signals define a connection type between a relay device and a signaling unit. Which of the following are relay devices?