Updated Nov-2021 H13-821_V2.0-ENU Exam Practice Test Questions
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NEW QUESTION 262
The full-stack exclusive and HUAWEI CLOUD share the account system. Users must use a HUAWEI CLOUD account to log in and manage the full-stack exclusive cluster.
- A. False
- B. True
Answer: A
NEW QUESTION 263
Which of the following scenarios can tenants be recommended to use OBS to complete data storage and distribution? (Multiple choice)
- A. Video surveillance on the cloud
- B. Medical PACS data
- C. Genetic data
- D. Albums and pictures
- E. Video multimedia data
- F. Game and application distribution
Answer: A,B,C,D,E,F
NEW QUESTION 264
When developing a microservice using the CES microservices framework SDK, it is necessary to introduce an external web server hosting service to run.
- A. False
- B. True
Answer: A
NEW QUESTION 265
The mixed load version provided by DVS refers to the ability of both OLTP and OLAP.
- A. False
- B. True
Answer: B
NEW QUESTION 266
Which of the following Huawei cloud middleware services can solve the asynchronous message caching problem of business applications?
- A. DMS: Distributed Messaging Service
- B. DDM: Distributed Database Service
- C. RDS: Relational Database Service
- D. DCS: Distributed Cache Service
Answer: A
NEW QUESTION 267
What types of storage interfaces can Huawei SFS service provide? (Multiple choice)
- A. NFS
- B. S3
- C. liscasi
- D. CIFS
Answer: A,D
NEW QUESTION 268
Which of the following are container engines? (Multiple choice)
- A. Warden
- B. rkt
- C. eclipse
- D. Docker
Answer: A,B,D
NEW QUESTION 269
Which of the following cloud services must the AS instance be used with? (Multiple choice)
- A. EIP
- B. IMS
- C. ECS
- D. ELB
Answer: A,B,C,D
NEW QUESTION 270
What is the role of the edge cloud application integration ROMA platform in the enterprise hybrid cloud architecture? (Multiple choice)
- A. Data and applications
- B. Enterprise cloud on-cloud service capability collaboration network
- C. CDR integration
- D. Channel for data collection to the cloud
Answer: A,B,D
NEW QUESTION 271
HUAWEI CLOUD containers have the advantages of fast startup speed, small resource occupation, and high operating efficiency. They can quickly expand capacity and calmly deal with sudden and large traffic impacts, and fundamentally avoid "official announcement" downtime.
- A. False
- B. True
Answer: B
NEW QUESTION 272
Which of the following features does HUAWEI CLOUD Web Application Firewall support? (Multiple choice)
- A. Anti-malicious crawlers
- B. Anti-mail bomb
- C. Anti-XSS
- D. Prevent SQL injection
Answer: A,C,D
NEW QUESTION 273
Which cloud service in the HUAWEI CLOUD HCS Online hybrid cloud solution can achieve cross-AZ disaster recovery: RPO=0 and RTO<30min?
- A. l2 Copy
- B. CSBS
- C. SDRS
- D. VBS
Answer: C
NEW QUESTION 274
The difference between a high-availability cluster and a normal cluster in the Huawei Cloud Container Engine CCE service is that a high-availability cluster generally contains multiple nodes.
- A. False
- B. True
Answer: B
NEW QUESTION 275
DLI services can directly process unstructured data, such as voice, pictures, etc., through SQL.
- A. False
- B. True
Answer: B
NEW QUESTION 276
Which of the following scenarios is not a typical application of retailer's ultra-edge computing?
- A. Precision marketing
- B. Smart recommendation
- C. Customer portrait
- D. Product defect analysis
Answer: C
NEW QUESTION 277
What are the advantages of microservices? (Multiple choice)
- A. Different technology stacks can be used to build services
- B. Lightweight protocol, HTTP protocol communication can be used
- C. The architecture can be flexibly extended
- D. Microservices are a silver bullet, suitable for various business scenarios
Answer: A,B,C
NEW QUESTION 278
Huawei's public cloud and private cloud both use FusionSphere solution.
- A. False
- B. True
Answer: B
NEW QUESTION 279
There is no performance challenge in the microservice architecture. Although the number of calls increases, the call loss will not increase.
- A. False
- B. True
Answer: A
NEW QUESTION 280
The Data Lake Exploration (DLI) service supports batch and streaming computing capabilities. Which of the following statements about DLI is correct? (Multiple choice)
- A. DUI service supports batch job and streaming job at the same time, unifies the platform and reduces the trouble of platform switching
- B. The underlying metadata of batch jobs and streaming jobs are unified, providing convenience for users' associated analysis and data usage
- C. Streaming job data is stored in the database in real time, which is convenient to use
- D. DU converts the stream job into a batch job and then executes it
Answer: A,B,C
NEW QUESTION 281
The encryption and decryption keys of the data encryption service support the use after exporting in plain text.
- A. False
- B. True
Answer: A
NEW QUESTION 282
Huawei CSE supports multilingual microservice access and interoperability. Which of the following options are development languages supported by Huawei CSE? (Multiple choice)
- A. NET
- B. PHP
- C. Nod js
- D. Java
- E. Go
Answer: A,B,C,D,E
NEW QUESTION 283
Regarding the description of DDS, which of the following statements is correct? (Multiple choice)
- A. DDS has a high-availability architecture of multi-node replica sets, providing extremely high service availability guarantee
- B. DDS supports read-write separation, and its write operations can only be performed on the master node in the replica set
- C. The replica set contains multiple replicas. When the primary node fails, DS can achieve a second-level master/backup switch
- D. 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
Answer: A,B,C,D
NEW QUESTION 284
Which of the following types of image processing functions does Huawei Cloud Object Storage support? (Multiple choice)
- A. Zoom, rotate, and get picture information
- B. Text and image watermark
- C. Portrait Beautification
- D. Picture format conversion
- E. Cut, compress, slim
Answer: A,B,D,E
NEW QUESTION 285
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