H13-341 Online Practice Questions and Answers

Which of the following statements about the modulation technologies of the 40Gbit/s and 100Gbit/s coherent systems are correct?

A. The modulation technology used in a 100G coherent system is ePDM-QPSK.

B. The modulation technology used in a 40G coherent system is ePDM-BPSK.

C. The modulation technology used in a 40G coherent system is ePDM-QPSK.

D. The modulation technology used in a 100G coherent system is ePDM-BPSK.

Which of the following is the client-side logical port of a board in standard mode?

A. ODUkLP-n

B. RX/TX-n

C. ClientLP-n

D. n(Nn/OUTn)-OCH:1-ODUk:m-ODUp:q

Which of the following statements about ROADM is correct?

A. ROADM technology uses the NMS software to deliver configurations to implement the wavelength adding/dropping and pass-through status.

B. NG WDM equipment supports ROADM with fixed spectrum and Flexible ROADM with flexible spectrum.

C. ROADM can adjust the optical power of the pass-through wavelength and the added wavelength.

D. QandM personnel need to provide onsite support for wavelength adjustment at ROADM sites.

Which of the following statements about the Service Package is incorrect?

A. You can configure service package in two modes. One is to configure boards in batches, and the other is to configure each board.

B. Service package enables one-click configuration of typical services by issuing multiple configuration commands in batches, facilitating product deployment commissioning and reducing maintenance costs.

C. The Service Package can configure the working mode, service type, cross-connection, and port type in batches.

D. Currently, Service Package is available to the TOA, TOX and TSC boards.

When different routes are used for client-side 1+1 protection, the working wavelength and protection wavelength cannot use the same wavelength.

A. True

B. False

Which of the following alarms trigger optical line protection switching?

A. POWER_DIFF_OVER

B. R_LOF

C. MUT_LOS

D. R_LOS

Which of the following statements about the electrical-layer overhead processing source function are correct?

A. The OPUk performs client signal mapping, frequency adjustment, and rate adaptation in the transmit direction.

B. The ODUkT calculates the BIP-8 and writes it into the TCMi.

C. The OTUk calculates BIP-8 and writes it into SM, GCC0, FAS, and MAFS.

D. the ODUkP calculates overheads such as BIP-8, PM, and GCC1/2.

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

A. The pulse width of emitted optical pulses varies according to monitoring modes, and affects the detection distance and measurement precision. A greater pulse width provides a larger dynamic range, longer detection distance and better measurement precision.

B. When the pulse width increases, the light emitting time increases and consequently a larger energy is obtained. This means that a larger dynamic range can be acquired but also larger dead zones will result.

C. Measurement is performed multiple times within the detection time. The average value is obtained based on the measurement result to improve the measurement precision. The actual duration from the time when a detection event starts to the time when the detection results are returned will be longer than the Detection time.

D. The total fiber loss will affect the detection distance and dynamic range is fixed for the same detection mode. Therefore, a larger total fiber loss indicates a smaller detection distance.

MPLS APS is a network protection mechanism. It implements service switching by using the MPLS OAM detection function.

A. True

B. False

Which of the following is not a precaution after board replacement?

A. Record the settings of jumpers and DIP switches on the board.

B. For functional units that have backups, check whether the switchover is normal.

C. Check the indicator blinking status of the board and ensure that the board works properly.

D. Ensure that no abnormal alarm.