Huawei H13-831 Online Practice Questions and Exam Preparation

Huawei H13-831 Online Questions & Answers

• Question 161:

  HUAWEI CLOUD MapReduce Service (MRS) builds big data clusters based on containers and is deployed and managed through HUAWEI CLOUD to provide Hadoop system services. Hadoop clusters can be deployed with one click.

  A. True
  B. False
  B. False

• Question 162:

  To prevent unauthorized users from accessing or excessively downloading resources in Object Storage Service (OBS), which of the following measures are recommended for resource access control? (Choose two)

  A. Set IAM access control policies.
  B. Configure CDN access control.
  C. Configure OBS permission control.
  D. Configure ELB listener access policies.
  A. Set IAM access control policies.
  C. Configure OBS permission control.

• Question 163:

  Fill in the blank

  An e-commerce company has built its platform based on microservices, but its logistics information is provided by a third-party company. Therefore, the platform must integrate with the third-party logistics system to obtain logistics data. For communication between these two systems, there are two methods: synchronous communication and asynchronous communication. The recommended method for this scenario is _________.

  Asynchronous communication

• Question 164:

  Which of the following migration scenarios is most suitable for using Cloud Data Migration (CDM)?

  A. Hadoop big data migration to cloud data warehouse.
  B. Relational database key business migration to the cloud.
  C. MySQL database live synchronous migration.
  D. SQL data files are quickly migrated to RDS.
  A. Hadoop big data migration to cloud data warehouse.

• Question 165:

  DDM supports both compute layer (DDM) scaling (increasing the number of nodes or increasing node specifications) and storage layer (MySQL) expansion online. Storage layer expansion is divided into translation expansion (the total number of shards remains unchanged) and doubling expansion (doubling the number of shards). Compute layer expansion affects services for only a few seconds, while storage layer expansion is completely transparent to services.

  A. TRUE
  B. FALSE
  B. FALSE

• Question 166:

  Due to business needs, a customer uses the FunctionGraph service to reduce manpower and material investment. Which of the following is the necessary task when using FunctionGraph?

  A. Performance tuning
  B. Upload, deploy, and configure triggers
  C. Prepare the runtime environment
  D. Capacity planning
  B. Upload, deploy, and configure triggers

• Question 167:

  To detect, identify, and analyze multiple targets such as people, vehicles, objects, and behaviors in a video, which function in the Video Analysis Service (VAS) needs to be used?

  A. Shan OCR
  B. Video Search (VS)
  C. Video Review (VCM)
  D. Video Content Analysis (VCR)
  D. Video Content Analysis (VCR)

• Question 168:

  A company needs to use HUAWEI CLOUD DATABASE (DS) DRS to back up offline data to ApsaraDB for RDS. DRS can be as small as the transport granularity down to which of the following levels?

  A. Record
  B. Example
  C. Table
  D. Library
  C. Table

• Question 169:

  The following describes how to choose between HUAWEI CLOUD Data Warehouse Service GaussDB (DWS) and HUAWEI CLOUD Relational Database Service (RDS). Which of the following statements are correct? (Choose three)

  A. DWS is more suitable for online transaction processing (OLTP) and provides limited support for large-scale data reading.
  B. DWS leverages multi-node scalability and resources, with various optimization technologies such as columnar storage, vector engines, and distributed frameworks, focusing on online analytical processing (OLAP).
  C. RDS is more suitable for online transaction processing (OLTP) and provides limited support for large-scale data reading.
  D. If custom code is required to process and analyze large data sets using big data frameworks such as Apache Spark, Hadoop, or HBase, DWS should be selected.
  B. DWS leverages multi-node scalability and resources, with various optimization technologies such as columnar storage, vector engines, and distributed frameworks, focusing on online analytical processing (OLAP).
  C. RDS is more suitable for online transaction processing (OLTP) and provides limited support for large-scale data reading.
  D. If custom code is required to process and analyze large data sets using big data frameworks such as Apache Spark, Hadoop, or HBase, DWS should be selected.

• Question 170:

  Which of the following descriptions about HUAWEI CLOUD Text Recognition Service (OCR) is incorrect?

  A. The OCR service only supports calling the interface once to recognize one image. Batch recognition requires secondary development, and encoding loops can be used with the API to achieve batch image recognition.
  B. The OCR service supports images, scanned documents, Word, PDF, Excel, and other files for text detection and recognition, converting text into editable format and returning recognition results in JSON format.
  C. The OCR service returns recognition results in JSON format, and users can programmatically save the results as Word, TXT, or PDF files.
  D. The OCR service can recognize text content in ID card images and return the recognition results to the user in JSON format but does not support verifying the authenticity of the ID.
  B. The OCR service supports images, scanned documents, Word, PDF, Excel, and other files for text detection and recognition, converting text into editable format and returning recognition results in JSON format.