Huawei Huawei Certifications H31-311 Questions & Answers

• Question 61:

  Which of the following communication protocols are used for DCN management on Huawei devices? (Multiple Choice)

  A. HWECC

  B. TCP/IP

  C. PTP

  D. OSI

  Correct Answer: ABD

• Question 62:

  When the rate of an SNCP ring consisting of four OptiX OSN 2500 devices is 2.5 Gbit/s, the service capacity of this network can carry a maximum number of ( ) 2 Mbit/s signals.

  A. 504

  B. 1008

  C. 2016

  D. 4032

  Correct Answer: B

• Question 63:

  Which of the following clock working modes support the ITU-T G.781 standard? (Multiple Choice)

  A. Tracing

  B. Holdover

  C. Free-run

  D. Master/Slave

  Correct Answer: ABC

• Question 64:

  On a Layer 2 switching device, if the Ethernet port is an Access port, the port can receive only the Ethernet frames without VLAN tags or Ethernet frames with the same VLAN ID as the default VLAN ID of the port.

  A. TRUE

  B. FALSE

  Correct Answer: B

• Question 65:

  Assume that 2 x VC-12 timeslots need to be bound with VCTRUNK1 of the N2EFS4 board. When 8 x VC4 timeslots are available on the N2EFS4 board, which of the following timeslots meets the requirements?

  A. VC-12 timeslots 1 and 2 of the first VC-4

  B. VC-12 timeslots 33 and 34 of the second

  C. VC-4 VC-12 timeslots 1 and 2 of the fourth

  D. VC-4 VC-12 timeslots 1 and 2 of the eighth VC-4

  Correct Answer: C

• Question 66:

  PDM uses the polarization beam splitter to divide the laser into two perpendicular directions: x and y.

  A. TRUE

  B. FALSE

  Correct Answer: A

• Question 67:

  For the (local) HA solution where the active and standby servers are deployed in the same place, which of the following platforms can be deployed? (Multiple Choice)

  A. Windows

  B. Solaris

  C. SUSE Linux

  D. All of the above

  Correct Answer: BC

• Question 68:

  In a WDM system, using a dielectric thin film filter (TFF) is ideal when fewer than ( ) wavelengths are used.

  A. 4

  B. 8

  C. 16

  D. 20

  Correct Answer: C

• Question 69:

  Which of the following is the default WTR time for MSP switching?

  A. 6 minutes

  B. 10 minutes

  C. 12 minutes

  D. 15 minutes

  Correct Answer: B

• Question 70:

  An unprotected chain consists of four NEs: NE1, NE2, NE3, and NE4. An end-to-end VC4 trail NE1--NE4 is created, and NE5 is added between NE2 and NE3 for capacity expansion. The original configuration remains unchanged, and no service is configured on NE5. In this case, the unprotected chain becomes NE1-NE2-NE5-NE3-NE4, and how many VC4 trails can be searched out?

  A. 0

  B. 1

  C. 2

  D. 3

  Correct Answer: C