Huawei H13-821_V3.0 問題集

質問 1：
Which of the following descriptions about virtual private cloud VPC and peer-to-peer connections is wrong?
A. Considering the high availability of business, multiple VPC peering connections can be established between VPCs at the same time
B. When creating a peer-to-peer connection between VPCs, by default a VPC cannot access the public network through the EIP of another VC
C. After the peer-to-peer connection is established, it is necessary to add routes to the UPCs at both ends to communicate
D. If the CIDR of the VPC has a heavy committee, but the subnets do not overlap, then a peer-to-peer connection can be established between the VPCs
正解：A

質問 2：
Which of the following descriptions about APM are correct? (Multiple choice)
A. It can collect application service calls, database access and other indicator data to help users fully understand the operation of the application
B. On the APM monitoring page, after selecting the host to be monitored, the platform will automatically install Aget and complete the call chain analysis independently
C. Support PHP, Java, Python., Go, C# and other runtime languages
D. It is able to monitor all aspects of application calls, visually restore the execution track and status of the business, and assist in the rapid positioning of performance and faults
正解：A,D

質問 3：
Huawei Cloud provides high-performance middleware services to solve the problems caused by traditional enterprise middleware. Which of the following are the benefits of cloud middleware services? (Multiple choice)
A. Upgrades and patches: The cloud middleware professional team is responsible for code maintenance and bug fixes
B. Ready to use out of the box: no need to consider the installation of software and hardware, it can be used after purchase
C. Reliable and safe: Service reliability and failover are guaranteed by cloud middleware services
D. Fault recovery, automatic recovery in seconds without any human input
正解：A,B,C,D

質問 4：
The ROMA series products are solutions launched by HUAWEI CLOUD for enterprise application and data development. They can effectively connect enterprise systems and help enterprises realize complex business integration and innovation. Each ROMA product has a large number of quantum functions. Please compare each function with the available The ROMA product corresponds.

正解：


質問 5：
As an architect to design a website with a daily PV of up to 100 million times, to achieve high performance in the follow-up, it needs to be realized through reasonable architecture design.
Which of the following descriptions about the elements that need to be considered in high-performance architecture design is wrong?
A. To consider the application itself, such as code execution optimization, software design multi-threaded or multi-process
B. To comprehensively consider the overall factors that affect the performance of the architecture, such as I/0, synchronization, concurrency, resource contention, and large data volumes. Usually, I/O operations. Algorithms with poor network response, databases, and Other inefficient resource usage can lead to poor performance
C. Fully consider network performance, such as bandwidth between external network access, data transmission efficiency, network path, etc.
D. It is necessary to consider the issue of intranet bandwidth, such as whether the HUAWEI CLOUD computer room can withstand 100 million PVs and the incoming traffic
正解：D

質問 6：
The cloud monitoring service CES can collect log data of hosts and cloud services. After collecting logs, the log data can be displayed in a simple and orderly manner on the cloud log console, and can be queried in a convenient and fast manner. Long-term storage, convenient for users to retrieve at any time.
A. False
B. True
正解：A

質問 7：
Which of the following descriptions about the security measures of Huawei Cloud Data Replication Service DRS are correct? (Multiple choice)
A. Use Security Groups to Ensure Access Sources Are Trusted
B. Control the management authority of the data replication service DRS through the unified identity authentication service IAM
C. Use SSL channel to ensure data transmission encryption
D. Encrypt sensitive and private data and save it in the database
正解：A,B,C,D

質問 8：
The working node in the cloud container engine service CCE is the basic element of the container cluster. The node depends on the business. It can be a virtual machine or a physical machine: each node contains the basic components required to run the Pod, including Kubelet, Kube-proxy, Container Runtime, etc., in the cloud container engine CCE, high-performance elastic cloud server ECS or bare metal server BNS is mainly used as nodes to build a highly available Kubernetes cluster.
A. False
B. True
正解：B