Huawei H13-831 Online Practice Questions and Exam Preparation

Huawei H13-831 Online Questions & Answers

• Question 251:

  An Internet enterprise plans to switch one of its core underlying database platforms from Oracle to PostgreSQL. It is currently known that there are more than 20 users in the Oracle database, involving many upper-layer applications. Therefore, the customer wants to minimize modifications to the upper-layer application code.

  Which of the following solutions is unreasonable?

  A. Customize the implementation of Oracle system functions with the same names in PostgreSQL to ensure that calls to system functions in migrated stored procedures remain unchanged.
  B. Migrate the schemas with the same names as the users in the Oracle database to independent databases in PostgreSQL.
  C. Since PostgreSQL does not support PACKAGE objects, you can use Oracle PACKAGE objects directly without splitting them into separate stored procedures and functions.
  D. Migrate the schemas with the same names as the users in the Oracle database to schemas under the specified database in PostgreSQL.
  C. Since PostgreSQL does not support PACKAGE objects, you can use Oracle PACKAGE objects directly without splitting them into separate stored procedures and functions.

• Question 252:

  DynaSky smart card (including intelligent network, storage, security, and other chips) provides deep collaboration to achieve ultra-high performance and build a strong security foundation. Which of the following functions is not supported for enhancement and optimization?

  A. Security
  B. Network
  C. Orchestration
  D. Storage
  C. Orchestration

• Question 253:

  Application OandM Management (AOM) supports installation of ICAgent, allowing cloud servers from other vendors to be monitored.

  A. TRUE
  B. FALSE
  A. TRUE

• Question 254:

  When migrating applications to the cloud, there are many factors that affect migration efficiency.

  When using an online migration solution, the most important factors affecting migration efficiency include migration network bandwidth and network quality, the performance of source and destination hosts, the time period during which the migration is performed, the types of migration services, the types of databases, and the migration tools used.

  A. True
  B. False
  A. True

• Question 255:

  HUAWEI CLOUD may interrupt and reclaim Spot Billing Instances, terminating their use. When a Spot Billing Instance is interrupted and reclaimed, you cannot use it to create an image. Therefore, during usage, it is important to back up data in advance.

  A. True
  B. False
  A. True

• Question 256:

  An Internet TV service experienced lag and high latency when users watched videos, posted comments, and downloaded files. After using HUAWEI CLOUD Content Delivery Network (CDN), these issues were resolved. Which CDN features were utilized in this scenario? (Choose three)

  A. Website acceleration
  B. File download acceleration
  C. On-demand acceleration
  D. Database acceleration
  A. Website acceleration
  B. File download acceleration
  C. On-demand acceleration

• Question 257:

  Fill in the blank

  HUAWEI CLOUD RDS refers to synchronizing data from one data source to other databases across different systems, ensuring data accuracy and enabling real-time flow of key business data. The term is _________.

  Real-time synchronization

• Question 258:

  An Internet company creates two VPCs in the North China region of HUAWEI CLOUD. Which of the following strategies does not help users achieve interconnection between their on-premises data center and the two VPCs on the cloud?

  A. Use two leased lines to establish connections between the on-premises data center and each VPC on the cloud.
  B. Establish a peering connection between the two VPCs on the cloud, and use Direct Connect to connect the user's on-premises data center to one of the VPCs.
  C. Use only the Cloud Connect service to interconnect the on-premises data center and the two VPCs on the cloud.
  D. Establish a peering connection between the two VPCs on the cloud and use the VPN service to connect the user's on-premises data center to one VPC on the cloud.
  C. Use only the Cloud Connect service to interconnect the on-premises data center and the two VPCs on the cloud.

• Question 259:

  A business OandM engineer, Xiaoming, is using the DRS service to perform database migration. Which of the following practices is correct?

  A. After the data migration is completed, Xiaoming switches the business to the new database, but continues to retain the DRS task without ending it.
  B. Xiaoming creates a separate account for the database, which is dedicated to data migration.
  C. When creating a task, the pre-check prompts that the account used for migration lacks the EXECUTE_CATALOG_ROLE permission. Xiaoming is unsure about the impact of granting this permission, so he grants it temporarily, successfully creates the task, and then revokes the permission afterward.
  D. To achieve load balancing and high availability, the business uses multiple server nodes for read and write services. During the data migration process, Xiaoming switches the traffic of one node to the new database while keeping the traffic of other nodes on the old database.
  B. Xiaoming creates a separate account for the database, which is dedicated to data migration.

• Question 260:

  An insurance company's business system is currently experiencing high query pressure.

  To solve this problem, it has adopted the GaussDB (for MySQL) read/write splitting function.

  Currently, there are four primary nodes and four read-only nodes.

  Under the system's default read-weight allocation rules, the default weight of each read-only instance is 400.

  A. True
  B. False
  A. True