2021 Realistic H13-821_V2.0-ENU Dumps Exam Tips Test Pdf Exam Material
Powerful H13-821_V2.0-ENU PDF Dumps for H13-821_V2.0-ENU Questions
NEW QUESTION 348
Which of the following types of protocols does HUAWEI CLOUD ELB four-layer load balancing instance support? (Multiple choice)
- A. HTTPS
- B. TCP
- C. HTTP
- D. UDP
Answer: B,D
NEW QUESTION 349
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 350
Tenants need to upload 100TB of data to HUAWEI CLOUD. Which of the following services is recommended for tenants to complete data transmission?
- A. Elastic File Service SFS
- B. Data Express Service DES
- C. Object storage service OBS
- D. Cloud Disk EVS
Answer: B
NEW QUESTION 351
Which of the following operations performed by HUAWEI CLOUD tenants does not help to improve the security of the cloud database?
- A. Back up the database regularly
- B. Turn on the audit log function
- C. Download slow log
- D. Modify the database port
Answer: C
NEW QUESTION 352
CCE advantages include: (Multiple choice)
- A. High-performance infrastructure
- B. Fully open native platform
- C. Enhanced commercialization features
- D. Diverse ecological access
Answer: A,B,C,D
NEW QUESTION 353
Regarding the description of the Deployment application instance, which of the following statements is wrong?
- A. Each instance has a unique network identifier
- B. No need to persist data for the application
- C. The results of each instance for the same request response are exactly the same
- D. No need to maintain state for the app
Answer: A
NEW QUESTION 354
Which of the following capabilities does the DAYU data development module provide? (Multiple choice)
- A. Job scheduling
- B. Operation monitoring and management
- C. Job choreography
- D. Script development
Answer: A,B,C,D
NEW QUESTION 355
Which of the following are the key features of Huawei's CCE cloud container engine? (Multiple choice)
- A. Resource attribute description
- B. Cross-laaS resource management
- C. Resource scheduling algorithm
- D. Apply full-stack modeling
Answer: B,C,D
NEW QUESTION 356
The port of the ELB listener and the port of the back-end server can be inconsistent.
- A. True
- B. False
Answer: A
NEW QUESTION 357
Regarding the description of GeminiDB for Cassandra materialized views, which of the following statements is incorrect?
- A. The data update of the materialized view is real-time
- B. The write performance of the materialized view is lower than the normal list
- C. Materialized views may cause high load on local nodes
- D. The materialized view and the source data table have the same read performance
Answer: D
NEW QUESTION 358
The distributed transaction model strategy of the DDM logic library is eventual consistency. What will DDM do if the application fails to submit fragments?
- A. DDM will automatically compensate, and the reverse operation will roll back the successfully committed transactions on the shards that commit successfully.
- B. The client is required to send a rollback to roll back the successfully committed transaction on the shard that has been committed successfully.
- C. DDM will refuse to execute and return an error
- D. No transaction compensation is provided, so there will be partial execution success and partial execution failure
Answer: A
NEW QUESTION 359
The CoAP protocol is an application layer protocol that runs on top of the TCP protocol.
- A. True
- B. False
Answer: B
NEW QUESTION 360
Regarding the description of DDS, which of the following statements is correct? (Multiple choice)
- A. DDS supports read-write separation, and its write operations can only be performed on the master node in the replica set
- B. Through the configuration of VPC, subnet, security group, DDOS protection and SSL security access and other multi-layer security protection systems, it can effectively resist various malicious attacks and ensure data security
- C. The replica set contains multiple replicas. When the primary node fails, DS can achieve a second-level master/backup switch
- D. DDS has a high-availability architecture of multi-node replica sets, providing extremely high service availability guarantee
Answer: A,B,C,D
NEW QUESTION 361
The ELB instance supports the simultaneous provision of load balancing services for multiple applications.
- A. True
- B. False
Answer: A
NEW QUESTION 362
Middleware can help users develop and integrate complex application software flexibly and efficiently.
- A. True
- B. False
Answer: A
NEW QUESTION 363
Tenants plan to deploy services in the South China and East China regions on HUAWEI CLOUD, and use cloud connectivity to achieve network interconnection between the two places.
Which of the following statements about cloud connectivity is correct? (Multiple choice)
- A. Cloud connection can realize VPC interoperability in different regions by loading VPC instances
- B. Cloud connection only supports VPC intercommunication under the same account
- C. Cloud connection supports VPC interoperability under different accounts
- D. Between VPCs connected to the cloud, subnets cannot conflict
Answer: A,C,D
NEW QUESTION 364
With the rapid growth of Internet business, the application architecture is also constantly changing. Which of the following options is not mentioned in the changes of the application architecture?
- A. Monolithic architecture
- B. Atomic architecture
- C. Microservice architecture
- D. SOA architecture
Answer: B
NEW QUESTION 365
If tenants need to deploy core applications on HUAWEI CLOUD, this application needs to use highly isolated resources. Which of the following services are recommended for tenants? (Multiple choice)
- A. EVS cloud hard disk service
- B. DSS exclusive distributed storage service
- C. DCC exclusive computing service
- D. ECS Elastic Cloud Server
Answer: B,C
NEW QUESTION 366
When developing a microservice using the CES microservices framework SDK, it is necessary to introduce an external web server hosting service to run.
- A. True
- B. False
Answer: B
NEW QUESTION 367
Can an application create multiple containers when creating an app?
- A. Yes, can
- B. No, can not
Answer: A
NEW QUESTION 368
Which of the following types of consensus algorithms does Huawei Cloud Blockchain Service support? (Multiple choice)
- A. PBFT
- B. POW
- C. SOLO
- D. Kafka
Answer: A,C,D
NEW QUESTION 369
In the microservice development lifecycle management, the pipeline plays an important role. What parts of the microservice lifecycle that are not supported by the application development pipeline?
- A. Build
- B. Coding
- C. Testing
- D. Deployment
Answer: B
NEW QUESTION 370
When creating an application on the Huawei CCE page, you can choose to create multiple instances.
- A. True
- B. False
Answer: B
NEW QUESTION 371
What technology is used for pyrotechnic detection?
- A. Visual learning
Answer: A
NEW QUESTION 372
Which of the following scenarios are GeminiDB suitable for? (Multiple choice)
- A. Requires independent expansion of computing resources and storage resources
- B. Data is required to be redundant across AZ to ensure reliability
- C. Need to support data models such as documents, wide tables, data structures, time series, etc.
- D. Need super write performance
Answer: A,B,C,D
NEW QUESTION 373
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