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Latest Huawei H13-821 Exam Questions and Answers, 2025 Update | SPOTO

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Question #1
Which of the following is not a key feature of HUAWEI CLOUD distributed messaging DMS service?
A. Provide hotspot data cachingcorrect
B. Flexible queue type: Provide ordinary queue, FIFO queue, Kafka queue
C. Supports rich message capabilities such as message filtering, message backtracking, message reposting, and broadcast messages
D. Accumulation of tens of billions of messages
View answer
Correct Answer: A
Question #2
Cloud native 2.0 is a new stage of enterprise intelligence upgrade. Enterprise cloudification has moved from "ON Loud" to "IN Cud", becoming a "new cloud native enterprise". Which of the following descriptions about cloud native 2.0 is wrong?
A. The enterprise's new business capabilities are built on the basis of cloud native, making it born in the cloud
B. Existing capabilities are inherited in an unbreakable way and organically synergized with new capabilities
C. The full life cycle of applications, data and AI is completed on the cloud, making it longer than the cloud
D. Using cloud container services to provide services belongs to cloud native 2
View answer
Correct Answer: D
Question #3
Can an application create multiple containers when creating an application?
A. Yescorrect
B. No
View answer
Correct Answer: A
Question #4
Middleware can help users develop and integrate complex application software flexibly and efficiently.
A. Truecorrect
B. False
View answer
Correct Answer: A
Question #5
HUAWEI CLOUD DRS provides various functions such as migration, synchronization, disaster recovery and subscription. Which of the following descriptions about DRS service features or application scenarios are correct? (Multiple choice)
A. Synchronization, focusing on tables and data, and meeting the needs of a variety of flexibility, such as many-to-one, one-to-many, dynamic addition and deletion of synchronization tables, synchronization of data between different table names, etc
B. Disaster recovery: Data disaster recovery supports the disaster recovery architecture of three centers in two places and four centers in two places
C. Migration: Through incremental migration technology, database migration can be completed during business operation without affecting business
D. Subscription: The main application scenario is kefka subscription GaussDB incremental data scenario
View answer
Correct Answer: ABC
Question #6
When using HUAWEI CLOUD Object Storage Migration Service OMS service for data migration, support for deleted objects at the source to delete objects in the destination bucket synchronously
A. False
B. True
View answer
Correct Answer: A
Question #7
Which of the following is within the scope of the microservice self-organizing team? (Multiple Choice)
A. Constantly identify bottlenecks in delivery, quickly verify and optimize in a lean manner, and run small stepscorrect
B. The small team that You Build it and You Run it complete the analysis, development, testing, deployment and operation of servicescorrect
C. Organize team design, development, testing and other roles, clear division of labor, each division
D. Conway's Law - The design (architecture) of a product or system is constrained by the communication structure of its production organizationcorrect
View answer
Correct Answer: ABD
Question #8
The strategies supported by the automatic load balancing mechanism provided by the microservice engine include: sequential, random local, viscous, instance-based load, and so on.
A. True
B. Falsecorrect
View answer
Correct Answer: B
Question #9
Which of the following options is the correct process for enterprises to go to the cloud?
A. Plan>Design>Delivery> Verify >Implement
B. Design>Plan>Implement>Verify>Delivery
C. Plan>Design>Implement>Verify>Deliverycorrect
D. Plan>Design>Verify>Implement>Delivery
View answer
Correct Answer: C
Question #10
Which of the following descriptions about virtual private cloud VPC and peer-to-peer connections is wrong?
A. After the peer-to-peer connection is established, it is necessary to add routes to the UPCs at both ends to communicate
B. Considering the high availability of business, multiple VPC peering connections can be established between VPCs at the same timecorrect
C. 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
D. When creating a peer-to-peer connection between VPCs, by default a VPC cannot access the public network through the EIP of another VC
View answer
Correct Answer: B
Question #11
The enterprise has purchased a fixed-bandwidth product with a yearly package. Due to the increase in traffic on the Double Eleven service, it is necessary to temporarily upgrade the bandwidth for 3 days. Which of the following options is the most suitable solution?
A. Repurchase large-bandwidth flexible public IP
B. Directly adjust the bandwidth of the annual bandwidth products
C. Purchase a broadband refueling packagecorrect
D. Purchase a shared data package
View answer
Correct Answer: C
Question #12
The architect is provided with a drawing specification, which can accurately describe the architecture of a system with only one picture.
A. Correct
B. Error
View answer
Correct Answer: B
Question #13
Which of the following are the scenarios for Huawei CCE Cloud Container Engine? (Multiple Choice)
A. Traditional IT architecture can support stably the business scenario
B. Increase scenarios of business on-line efficiency
C. Scenes with significant fluctuations in business load
D. Scenes that reduce resource costs
View answer
Correct Answer: ABCD
Question #14
Which of the following options can realize the backup data of offline VMware virtualization environment to the cloud?
A. Cloud backup service CBRcorrect
B. Cloud hard disk service EVS
C. Exclusive distributed storage service DSS
D. Cloud server backup CSBS
View answer
Correct Answer: A
Question #15
With the continuous evolution of IT architecture, the operation and maintenance model is constantly changing. Which of the following descriptions about the cloudification of IT architecture is wrong?
A. Self-service and elasticity become the basic requirements of infrastructure on the cloud
B. Traditional customers are responsible for operation and maintenance, and it has been transformed into a division of labor between customers and cloud vendors
C. With the popularity of cloud-native applications such as microservices and containers, application operation and maintenance has gradually become the focus of operation and maintenance for cloud users
D. With the continuous evolution of IT architecture, the system architecture will become more and more complex, and the difficulty of operation and maintenance will become more and more difficult
View answer
Correct Answer: D
Question #16
DCS is mainly used for caching hot data, to improve data access capabilities, reducing database stress.
A. Truecorrect
B. False
View answer
Correct Answer: A
Question #17
HUAWEI CLOUD Application Performance Management Service completes application performance data collection by installing a collection agent on the node where the application is located. The collection agent is based on the industry's Pinpoint open source project, and uses JVM bytecode enhancement technology to collect application indicators in a non-intrusive manner. APM does not support applications developed by which of the following technology stacks?
A. JAVA
B. Tomcat
C. C++correct
D. Spring
View answer
Correct Answer: C
Question #18
Which of the following are typical middleware uses? (Multiple Choice)
A. Security Services: Application WAF Security
B. Cache database: hotspot data cache
C. Distributed database middleware: support massive data
D. Load balancing: support massive access
E. Message Queuing: Module asynchronous decoupling
View answer
Correct Answer: BCDE
Question #19
If you deploy an e-commerce website on Huawei Cloud, in order to benefit the old customers and prepare for a one-day big sale, what preparations should the operation and maintenance personnel do on Huawei Cloud in advance? (Multiple Choice)
A. Use pressure measurement service Cloud Eys of Huawei Cloud to exercise the high-traffic service capability of the website in advance
B. Add the metrics that need to be viewed in the routine operation and maintenance to the dashboard, so as to grasp the global situation in real time
C. Set threshold alarms for key application performance indicators of the website, and automatically notify the alarms to the operation and maintenance personnel
D. Prepare resources in advance
View answer
Correct Answer: BCD
Question #20
Which of the following applications are suitable for running on a general-computing ECS ??instance? (Multiple choice)
A. Very large memory databasecorrect
B. Enterprise portalcorrect
C. Lightweight databasecorrect
D. Machine learning
View answer
Correct Answer: ABC
Question #21
When the business does not require high availability of the cache and hopes to lower the cost, which type of Huawei Cloud Distributed Cache DCS service should be selected for the application at this time?
A. Stand-alonecorrect
B. Active and standby
C. Cluster
D. None of the above
View answer
Correct Answer: A
Question #22
The tenant can complete data archiving based on Huawei Cloud Object Storage Service.
A. Truecorrect
B. False
View answer
Correct Answer: A
Question #23
Which of the following are the advantages of cloud native? (Multiple Choice)
A. Modules loose couplingcorrect
B. Rapid deploymentcorrect
C. Hardware virtualization
D. Service recovery rapidlycorrect
View answer
Correct Answer: ABD
Question #24
When the core business of an enterprise requires high isolation and security of the operating environment, which of the following cloud services can be selected to provide dedicated physical host resources?
A. Elastic cloud server ECS
B. Cloud Container Instance CCI
C. Cloud Container Engine CCE
D. Dedicated host DeHcorrect
View answer
Correct Answer: D
Question #25
What types of clusters can be created by the Huawei CCE Cloud Container Engine? (Multiple Choice)
A. Bare metal clustercorrect
B. Virtual machine clustercorrect
C. AlX cluster
D. windows clustercorrect
View answer
Correct Answer: ABD
Question #26
In the practical guidance for micro-business models, which micro-service in the following figure is connected to the system through mesher?
A. forcast
B. weathermapwebcorrect
C. Wweather
D. fusionweather
View answer
Correct Answer: B
Question #27
Huawei Cloud Application Performance Management Service completes application performance data collection by installing a collection agent on the node where the application is located. The collection agent is based on the industry's Pinpoint open source project, which uses the JVM bytecode enhancement technology to achieve non-intrusive collection of application indicators. Which of the following technology stack development applications does not be supported by APM?
A. JAVA
B. Tomcat
C. C++correct
D. Spring
View answer
Correct Answer: C
Question #28
The microservice engine provides grayscale publishing between microservices, supporting matching based on the value of a field in the Request (eg Header).
A. Truecorrect
B. False
View answer
Correct Answer: A
Question #29
The strategies supported by the automatic load balancing mechanism provided by the microservice engine include: sequential, random local, sticky, instance-based load, etc.
A. Truecorrect
B. False
View answer
Correct Answer: A
Question #30
Among the campus solutions of the intelligent edge platform IEF, which one does not belong to the scope of IEF for distribution and management?
A. Third-Party Edge Applications
B. Third-party hardware gatewaycorrect
C. Edge AI algorithm
D. Edge IoT
View answer
Correct Answer: B

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