Huawei H13-831 Online Practice Questions and Exam Preparation

Huawei H13-831 Online Questions & Answers

• Question 281:

  Both the Spark framework and the MapReduce framework are distributed computing frameworks in Hadoop clusters. Which of the following correctly describe the differences between the two frameworks? (Choose four)

  A. The iterative computing process in Spark primarily relies on memory, storing intermediate data in memory for higher computing efficiency.
  B. MapReduce algorithms are diverse and support combined applications of multiple algorithms.
  C. Spark operations are rich in variety and support multiple data transformation operations.
  D. In MapReduce, each iteration writes data to disk, and the next iteration reads it back from disk, leading to lower efficiency.
  A. The iterative computing process in Spark primarily relies on memory, storing intermediate data in memory for higher computing efficiency.
  B. MapReduce algorithms are diverse and support combined applications of multiple algorithms.
  C. Spark operations are rich in variety and support multiple data transformation operations.
  D. In MapReduce, each iteration writes data to disk, and the next iteration reads it back from disk, leading to lower efficiency.

• Question 282:

  In HUAWEI CLOUD MapReduce Service (MRS), expansion in both storage and computing power can be achieved simply by adding Core Nodes or Task Nodes, without modifying the system architecture.

  A. True
  B. False
  A. True

• Question 283:

  Fill in the blank

  A product is considered highly reliable, meaning its _________ is very large, indicating that it rarely fails. However, if the product has poor serviceability, and takes a long time to recover from a failure, meaning its _________ is large, then the product is still not highly available.

  MTBF | MTTR

• Question 284:

  A company that deployed a website service on HUAWEI CLOUD recently reported that customers in a western city in China experience slow access speeds to the website. To improve access speed, they plan to use HUAWEI CLOUD's CDN service. The website contains more dynamic content. Which of the following CDN acceleration configurations is recommended for this website?

  A. Configure CDN acceleration for file download type.
  B. Configure CDN acceleration with website acceleration.
  C. Configure CDN acceleration with service type set to on-demand acceleration.
  D. Configure site-wide acceleration by submitting a work order.
  D. Configure site-wide acceleration by submitting a work order.

• Question 285:

  If a user has purchased a fixed bandwidth subscription and encounters a sudden increase in services during Double 11, in order to solve the possible bandwidth shortage problem, the user should be recommended to use which of the following methods

  A. Enhanced shared bandwidth
  B. Monthly shared bandwidth
  C. Bandwidth refueling package
  D. Shared traffic package
  C. Bandwidth refueling package

• Question 286:

  In the disaster recovery solution with two regions and three centers on the cloud, 100% of user traffic is directed to the production center during normal operations. When the production site fails, the database at the disaster recovery site is switched to the primary database state, and DNS authorization is modified so that the production site receives 0% of the traffic and the disaster recovery site receives 100%.

  A. TRUE
  B. FALSE
  A. TRUE

• Question 287:

  The business functions of an enterprise need to be hosted, and the functions must run in an elastic, OandM-free, and highly reliable manner. Different permissions must be assigned to employees to access function resources. The needs of the business can be achieved by using which of the following cloud service solution?

  A. Function Workflow FunctionGraph and Unified Identity Authentication Service IAM
  B. Function Workflow FunctionGraph
  C. Function Workflow FunctionGraph and Cloud Eye Service CES
  D. Unified Authentication Service IAM and Cloud Eye Service CES
  A. Function Workflow FunctionGraph and Unified Identity Authentication Service IAM

• Question 288:

  If a company uses ECS services on HUAWEI CLOUD, which of the following HUAWEI CLOUD services is recommended for tenants to ensure high availability and enable switching to another AZ as soon as possible after a failure occurs in one zone?

  A. Cloud Backup and Recovery (CBR)
  B. Storage Disaster Recovery Service (SDRS)
  C. Cloud Server Backup Service (CSBS)
  D. Volume Backup Service (VBS)
  B. Storage Disaster Recovery Service (SDRS)

• Question 289:

  Which of the following factors should be considered when designing for cost optimization on the cloud? (Choose three)

  A. Scaling policy settings
  B. Instance specifications
  C. Instance type selection
  D. Billing method (pricing model)
  B. Instance specifications
  C. Instance type selection
  D. Billing method (pricing model)

• Question 290:

  When building CDN edge nodes, which of the following is not a mandatory server role?

  A. CACHE server
  B. PMGR server
  C. ELB server
  D. Network management serv
  D. Network management serv