Huawei H13-831 Online Practice Questions and Exam Preparation

Huawei H13-831 Online Questions & Answers

• Question 171:

  Which of the following descriptions about the key technologies of the Content Delivery Network (CDN) is correct?

  A. Dynamic and static separation: dynamic content processing at edge nodes is slowed down.
  B. Warm-up: edge nodes actively cache dynamic content to reduce pressure on the origin server.
  C. Intelligent image adaptation: detects the network condition and intelligently adjusts the image format.
  D. Refresh: after the origin server file is updated, the old file on the edge node can be automatically overwritten.
  D. Refresh: after the origin server file is updated, the old file on the edge node can be automatically overwritten.

• Question 172:

  A gaming company plans to migrate its business to the cloud in the near future. As a startup, it is extremely cost-sensitive but must also ensure the security of its core business. Which of the following combinations are suitable for the company? (Choose three)

  A. Redis database uses general-purpose computing S3 instances.
  B. Personal development and testing activities use general-purpose entry-level T6 instances.
  C. The portal uses general-purpose computing S6 instances.
  D. Core game servers use general-purpose computing enhanced C6 instances.
  B. Personal development and testing activities use general-purpose entry-level T6 instances.
  C. The portal uses general-purpose computing S6 instances.
  D. Core game servers use general-purpose computing enhanced C6 instances.

• Question 173:

  The following description of the usage cost and billing model of the Cloud Container Engine (CCE) - which one is incorrect?

  A. After the CCE cluster is hibernated, the worker nodes (ECS) in the cluster will automatically shut down.
  B. CCE supports pay-as-you-go billing and annual/monthly subscription billing models.
  C. CCE itself does not charge any fees, but related resources (such as nodes, bandwidth, etc.) created during use need to be paid for.
  D. When a CCE cluster is closed, the control node resource fee will stop charging.
  A. After the CCE cluster is hibernated, the worker nodes (ECS) in the cluster will automatically shut down.

• Question 174:

  Which of the following is not an optimization practice for low-latency services?

  A. Use heterogeneous computing resources and adopt differentiated computing architectures for different types of services, such as GPU and FPGA computing resource pools.
  B. Use intelligent DNS distribution deployment to shorten network latency, reduce data transmission, and improve efficiency.
  C. Use Relational Database Service (RDS) together with Database Management Service (DAS) to analyze SQL statements and optimize slow SQL queries.
  D. Deploy containerized applications in CCE clusters, and use Application Performance Management (APM) to analyze application call status and optimize architecture after identifying bottlenecks.
  E. Use the database middleware DDM to split databases and tables, reducing the overall query delay for large-scale data in a single database.
  B. Use intelligent DNS distribution deployment to shorten network latency, reduce data transmission, and improve efficiency.

• Question 175:

  An enterprise uses CDN for webpage acceleration and needs to add CNAME resolution to the domain name system during CDN configuration. This CNAME resolution record corresponds to which of the following service addresses?

  A. Edge ELB server address
  B. GSLB server address
  C. Central ELB server address
  D. Edge cache server address
  D. Edge cache server address

• Question 176:

  An e-commerce customer needs to connect an ECS in a VPC with a data center or another VPC and enable the VPN feature. Which of the following descriptions about VPNs are correct? (Choose four)

  A. The VPN connection uses IKE and IPsec protocols to encrypt transmitted data, ensuring data security and reliability.
  B. IP addresses on and off the cloud cannot conflict.
  C. Users can access different HUAWEI CLOUD access points through multiple lines (different carriers) to achieve multi-link redundancy and ensure high reliability.
  D. VPN can realize offline single data center or multi-data center interconnection with the cloud, and the customer-side IP address needs to be a fixed IP address.
  A. The VPN connection uses IKE and IPsec protocols to encrypt transmitted data, ensuring data security and reliability.
  B. IP addresses on and off the cloud cannot conflict.
  C. Users can access different HUAWEI CLOUD access points through multiple lines (different carriers) to achieve multi-link redundancy and ensure high reliability.
  D. VPN can realize offline single data center or multi-data center interconnection with the cloud, and the customer-side IP address needs to be a fixed IP address.

• Question 177:

  Which of the following descriptions about the benefits of HUAWEI CLOUD Application Performance Management (APM) is incorrect?

  A. APM supports AI intelligent threshold detection; machine learning uses historical baseline data to generate alarms, and through RCA (Root Cause Analysis), identifies the root cause of problems.
  B. APM opens operation data query interfaces, performance indicators, and collection standards, and supports independent development.
  C. APM supports 100 million call chain service throughput, allowing monitoring of call counts, response times, and error occurrences in all aspects according to the application's call status. It visually restores the execution trajectory and status of services and helps quickly locate performance issues and faults.
  D. APM adopts intrusive performance data collection, and a small amount of service code needs to be modified to access APM easily.
  D. APM adopts intrusive performance data collection, and a small amount of service code needs to be modified to access APM easily.

• Question 178:

  An MERP SaaS enterprise plans to build a SaaS service platform on HUAWEI CLOUD.

  The business platform is developed based on MySQL 8.0 and stores customers' core financial data.

  The company faces the following challenges during platform construction:

  For large manufacturing customers, data volume exceeds the optimal capacity of a single MySQL instance (500 GB), reaching over 10 TB, resulting in slow performance and even affecting billing operations.

  The ERP business logic is complex, with many associations, making vertical or horizontal database partitioning difficult.

  There are numerous complex report queries required during the month-end reconciliation period.

  As a database architect, which of the following database recommendations are most reasonable and effective?

  A. Build on HUAWEI CLOUD GaussDB (for MySQL), which supports 128 TB capacity, 1 million QPS, and is 100% compatible with MySQL, allowing the enterprise to handle large data volumes without application modification.
  B. Use HUAWEI CLOUD GaussDB (for MySQL) with sub-table and sub-database sharding, which is non-intrusive to business SQL and can significantly improve the performance of complex statistical SQL queries.
  C. Build on HUAWEI CLOUD GaussDB (for MySQL) utilizing database parallelism and NDP (Near Data Processing) technologies to greatly improve SQL performance for complex month-end report queries.
  D. Use HUAWEI CLOUD RDS for MySQL single-node instances to improve performance.
  B. Use HUAWEI CLOUD GaussDB (for MySQL) with sub-table and sub-database sharding, which is non-intrusive to business SQL and can significantly improve the performance of complex statistical SQL queries.

• Question 179:

  Technological development promotes the process of enterprise cloudification. As the foundation of IT, infrastructure continues to face technological changes during the cloudification process. Which of the following descriptions of infrastructure capabilities at different stages is correct?

  A. Physical deployment of traditional IT infrastructure in the stand-alone stage enables multi-team parallel collaboration and high resource utilization.
  B. In the cloudification stage, automation and self-service achieve fully unmanned operations and zero operating costs
  C. In the resource integration stage, virtualized resources are integrated into resource pools through a management platform, forming a unified resource management system.
  D. In the machine stage, virtualization technology is used to achieve large-scale resource integration and elastic scaling of data center resources.
  C. In the resource integration stage, virtualized resources are integrated into resource pools through a management platform, forming a unified resource management system.

• Question 180:

  HUAWEI CLOUD Audit Service (CTS) is a professional log auditing service within the cloud security solution that collects, stores, and queries various cloud resource operation records. Which of the following is not a core function of CTS?

  A. Security analysis
  B. Compliance audit
  C. Problem location
  D. Intelligence collection
  D. Intelligence collection