Huawei H12-811_V2.0 - HCIA-Datacom V2.0 Exam
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Total 101 questions
Question #6 (Topic: Exam A)
The continuous development and innovation of upper-layer services pose higher requirements on general-purpose computing data center networks.
Which of the following requirements can be met by deploying M-LAG and Eth-Trunk? (Choose all that apply.)
Which of the following requirements can be met by deploying M-LAG and Eth-Trunk? (Choose all that apply.)
A. High availability
B. High aggregated bandwidth
C. Elastic scalability
D. Large Layer 2 migration of VMs
Answer: ABD
Question #7 (Topic: Exam A)
On an intelligent computing data center network, network administrators deploy various intelligent lossless network technologies such as PFC to implement a high-speed and low-latency lossless network.
Which of the following statements are false about the working principles of PFC? (Choose all that apply.)
Which of the following statements are false about the working principles of PFC? (Choose all that apply.)
A. After PFC is deployed, the receive end sends PFC packets to the transmit end when the buffer is full, requesting the transmit end to reduce the packet sending rate.
B. After backpressure is triggered, the receive end sends PFC stop packets to the transmit end only after the buffer of the receive end is cleared.
C. After PFC is deployed, the receive end sends PFC packets to the transmit end when the received traffic exceeds a certain buffer threshold, requesting the transmit end to reduce the packet sending rate.
D. After backpressure is triggered, the receive end sends PFC stop packets to the transmit end as long as the buffer of the receive end decreases to a certain extent.
Answer: BD
Question #8 (Topic: Exam A)
DRAG DROP
On a general-purpose computing data center network, network administrators need to use various network technologies or architectures to ensure high network stability and efficiency. Match the following network technologies or architectures with the requirements they meet.
On a general-purpose computing data center network, network administrators need to use various network technologies or architectures to ensure high network stability and efficiency. Match the following network technologies or architectures with the requirements they meet.
Answer: 
Question #9 (Topic: Exam A)
In WLAN networking, APs serve as infrastructure to provide wireless communication services for STAs. To allow a STA to discover and connect to an AP, the AP must inform the STA of its identity.
Which of the following is this identity?
Which of the following is this identity?
A. BSS
B. ESS
C. VAP
D. BSSID
Answer: D
Question #10 (Topic: Exam A)
An engineer is configuring Fit AP onboarding on a Huawei WAC. After the engineer completes network connectivity and CAPWAP configuration, the next step is to configure the AP authentication mode.
Which AP authentication modes can the engineer choose to configure? (Choose all that apply.)
Which AP authentication modes can the engineer choose to configure? (Choose all that apply.)
A. [WAC-wlan-view] ap auth-mode ip-auth
B. [WAC-wlan-view] ap auth-mode mac-auth
C. [WAC-wlan-view] ap auth-mode sn-auth
D. [WAC-wlan-view] ap auth-mode no-auth
Answer: BCD
