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Question 1:
The OpenFlow protocol in SDN architecture is led and actively promoted by the IETF.
A. TRUE
B. FALSE
Correct Answer: A
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.
A. TRUE
B. FALSE
Correct Answer: B
Question 3:
Which of the following descriptions are true about SDN? (Choose all that apply.)
A. SDN is OpenFlow.
B. SDN supports forwarding-control separation.
C. SDN provides programmable open interfaces.
D. SDN is short for software-defined networking.
Correct Answer: BCD
Question 4:
Which of the following are true about SDN? (Choose all that apply.)
A. In the SDN architecture, the underlying switches need to provide only the most basic and simple functions.
B. SDN is applicable to cloud computing providers and enterprises facing substantially increasing workloads/
C. SDN\’s forwarding-control separation architectures standardize and simplifies network devices.
D. 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.)
A. OpenStack
B. Third-party APP platform
C. SNC
D. NetMatrix
Correct Answer: CD
Question 6:
Which of the following is the port number used by VXLAN packets?
A. 4786
B. 4787
C. 4788
D. 4789
Correct Answer: D
Question 7:
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-network-architecture
Question 8:
The OpenStack architecture comprises which of the following components? (Choose all that apply.)
A. Nova
B. Neutron
C. Cinder
D. NetMatrix
Correct Answer: ABC
Question 9:
Which OpenStack component is responsible for managing virtual networks and determining the ID of the server that the VM IP address.
A. Nova
B. Neutron
C. Cinder
D. NetMatrix
Correct Answer: A
Reference: https://docs.openstack.org/nova/queens/admin/networking-nova.html
Question 10:
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/issue79-en.pdf
Question 11:
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 12:
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 13:
CE series switches on an SDN network cannot use service interfaces for stacking configuration.
A. TRUE
B. FALSE
Correct Answer: B
Question 14:
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 15:
In the SDN RR solution, the AC can provide which of the following functions? (Choose all that apply.)
A. Calculates optimal paths globally based on multiple constraints.
B. Pre-defines BGP routing policies.
C. Generates BGP routes/policies and applies them to devices.
D. Manages topology and BGP relationships
Correct Answer: CD
