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Huawei H13-921_V1.5 : HCIP-GaussDB-OLTP V1.5

H13-921_V1.5

Exam Code: H13-921_V1.5

Exam Name: HCIP-GaussDB-OLTP V1.5

Updated: Oct 26, 2026

Q & A: 216 Questions and Answers

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Huawei H13-921_V1.5 Exam Syllabus Topics:

SectionWeightObjectives
GaussDB-OLTP Architecture and Features20%- Distributed deployment architecture
  • 1. Data distribution and sharding mechanism
    • 2. Components: CN, DN, GTM, CMS
      - Core features
      • 1. Storage engine and index technology
        • 2. Distributed SQL engine and compatibility
          Performance Monitoring and Optimization10%- Performance tuning
          • 1. Parameter adjustment, SQL optimization, resource scheduling
            - Monitoring and diagnosis tools
            • 1. Key performance indicators and monitoring methods
              Installation, Deployment and Configuration15%- Installation and deployment process
              • 1. Initial configuration and parameter tuning
                • 2. Standalone and cluster deployment
                  - Planning and preparation
                  • 1. Network and environment configuration
                    • 2. Hardware and software requirements
                      High Availability and Disaster Recovery10%- High availability mechanism
                      • 1. Replication, failover, and load balancing
                        • 2. Data consistency and reliability guarantee
                          - Backup and recovery
                          • 1. Physical backup, logical backup, point-in-time recovery
                            GaussDB-OLTP Fundamentals15%- Basic concepts of distributed databases
                            • 1. Core architecture and evolution of GaussDB-OLTP
                              • 2. Characteristics and application scenarios of OLTP systems
                                - Database basic theory
                                • 1. Transaction, ACID properties, isolation levels
                                  • 2. Distributed consistency and CAP theorem
                                    Security Management10%- Data security and encryption
                                    • 1. Transmission encryption, storage encryption, audit logs
                                      - User and permission management
                                      • 1. Roles, privileges, and access control
                                        Data Management and SQL Operations20%- SQL development and optimization
                                        • 1. Standard SQL and extended syntax
                                          • 2. Execution plan analysis and optimization
                                            - Database objects management
                                            • 1. Partitioning and data distribution strategies
                                              • 2. Databases, tables, indexes, views

                                                Huawei HCIP-GaussDB-OLTP V1.5 Sample Questions:

                                                Question #1
                                                When using security group functionality, which of the following is not a configurable setting?

                                                A. Priority
                                                B. Access port
                                                C. Blacklist
                                                D. Access protocol


                                                Question #2
                                                Hints are used when the user knows the optimal execution plan or to stabilize SQL execution plans for performance tuning.

                                                A. True
                                                B. False


                                                Question #3
                                                Performance can be measured against a baseline. Ideally, what should a performance baseline include?

                                                A. Database statistics
                                                B. Network statistics
                                                C. Application statistics
                                                D. Operating system statistics


                                                Question #4
                                                Which statements about GaussDB (for MySQL)'s high reliability and scalability are correct?

                                                A. Shared storage allows fast expansion by adding compute nodes only
                                                B. Storage up to 256TB, pay-as-you-go, no pre-planning
                                                C. Storage layer asynchronously pushes logs in distributed fashion
                                                D. Binlog delay is eliminated, RTO is guaranteed


                                                Question #5
                                                DRS real-time migration supports only public network, VPC, and VPN migration.

                                                A. True
                                                B. False


                                                Solutions:

                                                Question #1
                                                Correct Answer: C
                                                Question #2
                                                Correct Answer: A
                                                Question #3
                                                Correct Answer: A,B,C,D
                                                Question #4
                                                Correct Answer: A,C,D
                                                Question #5
                                                Correct Answer: B

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