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Question 1:
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 2:
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 3:
Which of the following is the port number used by VXLAN packets?
A. 4786
B. 4787
C. 4788
D. 4789
Correct Answer: D
Question 4:
On an SDN network, network devices only need to be responsible for data forwarding.
A. TRUE
B. FALSE
Correct Answer: A
Reference: https://actfornet.com/huawei-cloud/sdn.html
Question 5:
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 6:
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-of-openflow
Question 7:
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 8:
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=t-QRdkT5nBandsig=ACfU3U1isE1ggNHUJpXiPOfI4sjQPPXSgandhl=enandsa=Xandved=2ahUKEwitrdnVi4PnAhVBQBoKHY3oBUgQ6AEwC3oECAoQAQ#v=onepageandq=huawei SDN controller has a global view of the entire networkandf=false
Question 9:
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 10:
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 11:
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 12:
When a host shifts from one network to another, which of the following statements is true?
A. You must change its IP address and MAC address.
B. You must change its IP address, but not its MAC address.
C. You must change its MAC address, but not its IP address.
D. The MAC address and IP address do not need to be changed.
Correct Answer: D
Question 13:
A trunk port on a switch allows packets from VLANs 3, 4, and 5 to pass, but only packets from VLANs 3 and 4 have tags. Which of the following may be the reason why packets from VLAN 5 do not have tags?
A. The port PVID is 5.
B. The port PVID is 3 and 4.
C. During port configuration, the port trunk permit vlan 3 4 command is configured.
D. GVRP is enabled on this port.
Correct Answer: B
Question 14:
Which of the following factors does not affect the performance of the SDN network?
A. Network congestion
B. Routing loop
C. Access loop
D. Access control list
E. Non-optional route
Correct Answer: D
Question 15:
From the perspective of the entire Internet, which of the following methods can be effectively reduce the size of the routing tables on an SDN network?
A. Increase the frequency of updating dynamic routes
B. Divide VLANs
C. Summarize routes
Correct Answer: C
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