[Mar-2022] Verified Huawei Exam Dumps with H13-821_V2.0-ENU Exam Study Guide
Best Quality Huawei H13-821_V2.0-ENU Exam Questions ExamsLabs Realistic Practice Exams [2022]
NEW QUESTION 241
In Kubernetes, which component of the cluster does Kubect1 interact with?
- A. api-server
- B. etcd
- C. evevt-controller
- D. kubelet
Answer: A
NEW QUESTION 242
Which of the following scenarios is GeminiDB is suitable for? (Multiple choice)
- A. Requires computing resources and storage resources to support independent expansion
- B. Data redundancy across AZ is required to ensure reliability
- C. Need super write performance
- D. Need to support data models such as documents, wide tables, data structures, time series, etc.
Answer: A,B,C,D
NEW QUESTION 243
In 2018, "Double Eleven" reached its tenth year, and it has evolved into a national carnival for all e-commerce platforms. Which of the following services can be used in e-commerce "promotions" and "rush to buy" scenarios? (Multiple choice)
- A. Application performance management APM: Provides application performance tracking capabilities from end to cloud, real-time monitoring and rapid fault diagnosis through the application of panoramic topology.
- B. Cloud performance test CPTS: One-stop performance test solution, e-commerce rushes to buy real scene simulation, and discover system bottlenecks in advance.
- C. Microservice engine CSE: Support microservice interface-level SLA indicator monitoring and management (load balancing, automatic fault tolerance, service degradation, service current limit) to ensure continuous service of application operations.
- D. Cloud Container Engine CCE: Flexible elastic scaling strategy to cope with changing sudden surges.
Answer: A,B,C,D
NEW QUESTION 244
Microservice architecture will face multi-dimensional challenges. Which of the following are the challenges that microservice architecture needs to face? (Multiple Choice)
- A. Data is no longer centrally managed and distributed to various microservices. Conventional transaction management cannot cross service boundaries.
- B. You can choose components freely according to the needs of the service, and you don't have to worry about dependency conflicts. Microservices manage their own data.
- C. Increased failure probability, difficulty in monitoring and tracking, high calling frequency, long calling chain, and uncontrollable factors in cross-virtual machine and VLAN communication increase.
- D. It is easy to realize automated testing, with clear test cases, clear external dependencies, and easy piling (API pre-defined)
Answer: A,C
NEW QUESTION 245
Regarding the description of stateful applications, which of the following statement is wrong?
- A. Life cycle operations are orderly
- B. The results of each instance for the same request and response are exactly the same
- C. Stateful applications generally ensure data persistence through data volumes
- D. Each instance is unique
Answer: B
NEW QUESTION 246
The GES service can support Gremlin graph query language.
- A. True
- B. False
Answer: A
NEW QUESTION 247
Which of the following components can be used to provide storage for massive loT data and provide real-time query capabilities at the same time?
- A. HDFS
- B. HBase
- C. Hive
- D. Kafka
Answer: B
NEW QUESTION 248
DDM middleware can be used in the application transformation to replace the Redis service in the original application.
- A. False
- B. True
Answer: A
NEW QUESTION 249
Through the transaction monitoring of APM, operators can understand the final consumer behaviors for business development decision-making, and can also quickly discover the status of business operations for rapid diagnosis of abnormal applications
- A. True
- B. False
Answer: A
NEW QUESTION 250
According to the division of personnel functions, what roles does DAYU user have? (Multiple choice)
- A. Manager
- B. Developer
- C. Creator
- D. Visitors
- E. Operator
Answer: A,B,D,E
NEW QUESTION 251
Microservices under the microservices architecture naturally support DevOps, and microservices complement DevOps. DevOps requires the development, testing and operation of business components by a two pizzas team, rapid iteration, and continuous delivery.
- A. True
- B. False
Answer: A
NEW QUESTION 252
What is the role of the edge cloud application integration ROMA platform in the enterprise hybrid cloud architecture? (Multiple choice)
- A. CDR integration
- B. Enterprise cloud on-cloud service capability collaboration network
- C. Channel for data collection to the cloud
- D. Data and applications
Answer: B,C,D
NEW QUESTION 253
Which of the following contents cannot be restored through the database recycle bin for HUAWEI CLOUD tenants?
- A. Instance disk information
- B. Instance version information
- C. User password
- D. Back up data
Answer: C
NEW QUESTION 254
AOS (Application Orchestration Service) in the Micro Service Cloud Application Platform (ServiceStage) enables the deployment of complex distributed systems in one click.
- A. True
- B. False
Answer: A
NEW QUESTION 255
Which of the following are the application scenarios of Huawei CCE? (Multiple choice)
- A. Stateful container applications
- B. Stateless container application
- C. Automated operation and maintenance and high availability
- D. DevOps continuous delivery
Answer: A,B,C,D
NEW QUESTION 256
An enterprise has branches all over the country, and each branch has an independent IT system. Now the headquarters wants to integrate the systems. Which of the following core systems are needed? (Multiple choice)
- A. DAYU
- B. MRS
- C. ROMA
- D. OCEANCONNECT
Answer: A,B,C
NEW QUESTION 257
If a tenant needs to upload 100TB of data to HUAWEI CLOUD, which of the following services is recommended for the tenant to complete the data transmission?
- A. Hard Disk EVS
- B. Data Express Service DES
- C. Object storage service OBS
- D. Elastic File Service SFS
Answer: B
NEW QUESTION 258
Regarding the description of security groups and network ACLs, which of the following statements is wrong?
- A. The security group supports 3-tuple filtering, and the network ACL supports 5-tuple filtering
- B. The security group provides ECS level protection, and the network ACL provides subnet level protection
- C. Security groups are mandatory features for ECS, and network ACLs are optional features
- D. ECS communication in the same subnet can use both security group protection and network ACL
Answer: D
NEW QUESTION 259
Application Operation Management AOM is a cloud operation and maintenance platform for operation and maintenance, development, operation personnel and IT managers. It monitors operation and operation data in real time in the form of logs, indicators, and events.
May I ask AOM to provide hundreds of operation and maintenance indicators, which of the following functions are also included? (Multiple choice)
- A. Host monitoring, to know the resource usage, trends and alarms of the host in time
- B. Indicator monitoring, displaying on the indicator tree through the hierarchical relationship of resources
- C. Application monitoring: layer-by-layer correlation of applications, services, instances, containers, and processes
- D. Application panorama, with application as the center, pull through multi-dimensional correlation analysis of services, instances, hosts, middleware, etc.
Answer: A,B,C,D
NEW QUESTION 260
When customers use CBR to back up local VMware virtual machines to the cloud, they can use the DES data express service to transfer the first full backup data offline.
- A. True
- B. False
Answer: A
NEW QUESTION 261
In the UML class diagram below, both students and professors point to the registered user class, and the two arrows indicate a straight line
- A. Registered users are implementations of students or professors
- B. The relationship is one-way
- C. Students and professors are the specific forms of registered users
- D. Students or professors can inquire registered users
Answer: C
NEW QUESTION 262
Which type of WMB storage protocol does the windows operating system support by default?
- A. 0
- B. CIFS
- C. iSCSl
- D. NFS
Answer: B
NEW QUESTION 263
Only distributed applications can use cloud middleware.
- A. False
- B. True
Answer: A
NEW QUESTION 264
Which of the following options is the classification of cloud on the enterprise IT? (Multiple choice)
- A. Platform system
- B. Infrastructure
- C. Business applications
- D. Data collaboration
Answer: A,B,C,D
NEW QUESTION 265
From the perspective of the cloud security shared responsibility model, which of the following is not the security responsibility of HUAWEI CLOUD?
- A. HUAWEI CLOUD's infrastructure security
- B. Connect with the security laws and regulations of the place where HUAWEI CLOUD operates
- C. Operational security of HUAWEI CLOUD services
- D. Tenant security group and security policy configuration management
Answer: D
NEW QUESTION 266
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