Download HCIA-SDN.H31-611.VCEplus.2020-02-01.60q.vcex

Vendor: Huawei
Exam Code: H31-611
Exam Name: HCIA-SDN
Date: Feb 01, 2020
File Size: 33 KB
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Demo Questions

Question 1
The OpenFlow protocol in SDN architecture is led and actively promoted by the IETF.
  1. TRUE
  2. FALSE
Correct answer: A
Explanation:
Reference: https://www.mdpi.com/1999-5903/6/2/302/htm
Reference: https://www.mdpi.com/1999-5903/6/2/302/htm
Question 2
In terms of the SDN architecture, the ONF does not recommend carriers to change the existing network architecture, but the IETF recommends carriers to do so.
  1. TRUE
  2. FALSE
Correct answer: B
Question 3
Which of the following descriptions are true about SDN? (Choose all that apply.)
  1. SDN is OpenFlow.
  2. SDN supports forwarding-control separation.
  3. SDN provides programmable open interfaces.
  4. SDN is short for software-defined networking.
Correct answer: BCD
Question 4
Which of the following are true about SDN? (Choose all that apply.)
  1. In the SDN architecture, the underlying switches need to provide only the most basic and simple functions. 
  2. SDN is applicable to cloud computing providers and enterprises facing substantially increasing workloads/
  3. SDN's forwarding-control separation architectures standardize and simplifies network devices.
  4. SDN cannot implement flexible and centralized control and cloudfield application awareness.
Correct answer: BC
Question 5
In the SDN architecture, which of the following belong to the application layer? (Choose all that apply.)
  1. OpenStack
  2. Third-party APP platform
  3. SNC
  4. NetMatrix
Correct answer: CD
Question 6
Which of the following is the port number used by VXLAN packets?
  1. 4786 
  2. 4787 
  3. 4788
  4. 4789
Correct answer: D
Question 7
On an SDN network, network devices only need to be responsible for data forwarding.
  1. TRUE
  2. FALSE
Correct answer: A
Explanation:
Reference: https://actfornet.com/huawei-cloud/sdn.html
Reference: https://actfornet.com/huawei-cloud/sdn.html
Question 8
On a VXLAN network, which of the following statements are NOT true about VNIs? (Choose all that apply.)
  1. A VNI is a VXLAN network identifier used to differentiate VXLAN segments.
  2. One VNI identifies one tenant, regardless of whether the tenant contains multiple end users.
  3. VMs of different VXLAN segments cannot directly communicate with each other Layer 2.
  4. A VNI consists of 16 bits.
Correct answer: BD
Explanation:
Reference: https://support.huawei.com/enterprise/en/doc/EDOC1100065756/edc8c8ee/vxlan-network-architecture 
Reference: https://support.huawei.com/enterprise/en/doc/EDOC1100065756/edc8c8ee/vxlan-network-architecture 
Question 9
In the SDN architecture, which of the following protocols is used for communication between the control layer and application layer?
  1. OpenFlow
  2. NETCONF
  3. RESTful
  4. NetStream
Correct answer: A
Explanation:
Reference: https://support.huawei.com/enterprise/en/doc/EDOC1000150290/8d15e063/overview-of-openflow
Reference: https://support.huawei.com/enterprise/en/doc/EDOC1000150290/8d15e063/overview-of-openflow
Question 10
The OpenStack architecture comprises which of the following components? (Choose all that apply.)
  1. Nova
  2. Neutron
  3. Cinder
  4. NetMatrix
Correct answer: ABC
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