Huawei Huawei Certifications H35-211 Questions & Answers

• Question 51:

  (Radio) Which of the following options can improve the service experience of multicast users when switching channels (switching time is shorter)

  A. When adding a multicast program, the prejoin feature is disabled

  B. Enables the Quick Leave feature when adding a multicast user

  C. When you add a multicast user, enable the preview feature

  D. Use group addresses with small values

  Correct Answer: C

• Question 52:

  (Radio) In the FTTB/C scenario, ONU is used as an AG device to access the phone, and there is no possible cause of sound failure for SIP protocol off-hook

  A. There are packet losses in the olt upper-layer network

  B. The ONU side MG interface status is abnormal

  C. The voice server is down

  D. ONU and IMS routes are unreachable

  Correct Answer: B

• Question 53:

  The (radio) 10G GPON system uses XGEN frames to encapsulate data, and the PORT ID is defined in the XGEN header as () bits.

  A. 18

  B. 12

  C. 14

  D. 16

  Correct Answer: D

• Question 54:

  (Single choice) The following statement about the PITP protocol is incorrect

  A. The PITP protocol includes pitp P mode and PITP V mode

  B. The purpose of the PITP feature is to provide the upper authentication server with the physical location information of the access user, and the BRAS device can realize the user account and the press position after obtaining the user access location information C. Bind the authentication of the information to avoid the theft and roaming of the user account

  D. In pitp V mode, the user's physical location information is added to the PPPOE message sent by the user side to cooperate with the upper-level server for user authentication

  E. PITP P mode can also be called PPOE+ mode

  Correct Answer: D

• Question 55:

  (Radio) A power access service deploys GPON Type C dual attribution protection, and the protection group is fixed with the upstream Ethernet port status on the OLT, and when the Ethernet port status associated with the protection group on the OLT becomes down, the following description is incorrect.

  A. The state of the onU side work port changes to standby

  B. OLT laughs at onu uplink state changes

  C. After the inversion, the service on the ONU is sent to the OLT through the protect port, that is, the service packet is transmitted on the protect example planting road

  D. The ONU detects link failures and triggers protection reversals

  Correct Answer: D

• Question 56:

  (Radio) follow the multicast IP address 227. The correct multicast MAC address corresponding to 120.1.32 is

  A. 01-00-5e-78-01-32

  B. 01-00-5e-14-01-20

  C. 01-00-5e-78-01-20

  D. 01-00-5e-14-01-32

  Correct Answer: C

• Question 57:

  Max-Forwards fields can be used in S1P messages to solve loop problems and avoid endless packet forwarding.

  A. wrong

  B. Right

  Correct Answer: B

• Question 58:

  OLT can perform traffic shaping through service-port.

  A. True

  B. False

  Correct Answer: A

• Question 59:

  Type B protection provides redundant protection for both OLT PON ports and backbone fibers when OLT or OLT PON If the port or trunk fiber fails, manually switch to another language?

  A. True

  B. False

  Correct Answer: B

• Question 60:

  (Radio) When deploying GPON Type C single attribution protection, the following description is correct.

  A. The branch fiber breaks, and the state of the OLT's work port becomes standbY

  B. Two ports protected by the OLT side cannot send and receive data at the same time

  C. When the olt uplink fails, a protection reversal can be triggered

  D. The service configuration of ONU access is completely identical to the configuration before protection

  Correct Answer: B