Huawei Huawei Certifications H31-611 Questions & Answers

• Question 41:

  The SFUs of the NE40E-X8A used on an SDN network employ which of the following redundancy methods?

  A. 1:1

  B. 1+1

  C. 2+1

  D. 3+1

  Correct Answer: D

  Reference: https://actfornet.com/huawei-net/core-router.html

• Question 42:

  The CE-SPUs of the CE12800 on an SDN network employs which of the following redundancy methods?

  A. 1:1

  B. 2+1

  C. 3+1

  D. 5+1

  Correct Answer: A

• Question 43:

  CE series switches on an SDN network cannot use service interfaces for stacking configuration.

  A. TRUE

  B. FALSE

  Correct Answer: B

• Question 44:

  Regarding the CE series switches on an SDN network, which of the following statements are true about their application in data centers? (Choose all that apply.)

  A. A CE series switch can connect to a server as a TOR.

  B. The network between TORs and core switches must be an ECMP-enabled Layer 3 network.

  C. The network between TORs and core switches must be a Layer 2 network that runs MSTP to prevent loops.

  D. The network between TORs and core switches can be either a Layer 2 or a Layer 3 network.

  Correct Answer: AD

• Question 45:

  Regarding the VS technology of CE series switches on an SDN network, which of the following statements are true? (Choose all that apply.)

  A. All ports on a forwarding chip of the LPU must be allocated to the VS in Group mode at the same time.

  B. All ports on a forwarding chip of the LPU must be allocated to the VS in Port mode at the same time.

  C. Any LPU ports can be freely assigned at any VS in Group mode.

  D. Any LPU ports can be freely assigned at any VS in Port mode.

  Correct Answer: AD

  Reference: https://forum.huawei.com/enterprise/en/cloudengine-series-switches-faqs-4-3-vs/ thread/420793-861

• Question 46:

  The SDN controller has a global view of the entire network.

  A. TRUE

  B. FALSE

  Correct Answer: A

  Reference: https://books.google.com.pk/books?id=0dhwDwAAQBAJandpg=PA421andlpg=PA421anddq=huawei +SDN+controller+has+a+global+view+of+the+entire+networkandsource=blandots=tQRdkT5nBandsig=ACfU3U1isE1ggNHUJpXiPOfI4sjQPPXSgandhl=enandsa=Xandved=2ahUKEwitrdnVi4PnAhVBQBoKHY3oBUgQ6AEwC3oECAoQAQ# v=onepageandq=huawei%20SDN%20controller%20has%20a%20global%20view%20of%20the%20entire% 20networkandf=false

• Question 47:

  SDN advocates overlay service cloudification and underlay hardware standardization.

  A. TRUE

  B. FALSE

  Correct Answer: A

  Reference: https://www-file.huawei.com/-/media/corporate/pdf/publications/communicate/79/issue79en.pdf

• Question 48:

  Which of the following functions does ONOS have? (Choose all that apply.)

  A. Reduces the service provider's CAPEX and OPEX

  B. Enables network agility

  C. Helps service providers migrate the existing network to dedicated devices

  D. Provides a reliable, flexible, and high-performance SDN control plane

  Correct Answer: AD

  Reference: https://www.slideshare.net/AmeerSameer/open-network-operating-system-onos

• Question 49:

  On a VXLAN network, which of the following statements are NOT true about VNIs? (Choose all that apply.)

  A. A VNI is a VXLAN network identifier used to differentiate VXLAN segments.

  B. One VNI identifies one tenant, regardless of whether the tenant contains multiple end users.

  C. VMs of different VXLAN segments cannot directly communicate with each other Layer 2.

  D. A VNI consists of 16 bits.

  Correct Answer: BD

  Reference: https://support.huawei.com/enterprise/en/doc/EDOC1100065756/edc8c8ee/vxlan-networkarchitecture

• Question 50:

  In the SDN architecture, which of the following protocols is used for communication between the control layer and application layer?

  A. OpenFlow

  B. NETCONF

  C. RESTful

  D. NetStream

  Correct Answer: A

  Reference: https://support.huawei.com/enterprise/en/doc/EDOC1000150290/8d15e063/overview-ofopenflow