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Huawei H13-921_V1.5

H13-921_V1.5

Exam Code: H13-921_V1.5

Exam Name: HCIP-GaussDB-OLTP V1.5

Updated: Oct 21, 2026

Q & A: 216 Questions and Answers

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Huawei H13-921_V1.5 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: High Availability and Disaster Recovery10%- High availability mechanism
  • 1. Data consistency and reliability guarantee
    • 2. Replication, failover, and load balancing
      - Backup and recovery
      • 1. Physical backup, logical backup, point-in-time recovery
        Topic 2: Installation, Deployment and Configuration15%- Planning and preparation
        • 1. Network and environment configuration
          • 2. Hardware and software requirements
            - Installation and deployment process
            • 1. Initial configuration and parameter tuning
              • 2. Standalone and cluster deployment
                Topic 3: Security Management10%- Data security and encryption
                • 1. Transmission encryption, storage encryption, audit logs
                  - User and permission management
                  • 1. Roles, privileges, and access control
                    Topic 4: GaussDB-OLTP Fundamentals15%- Basic concepts of distributed databases
                    • 1. Characteristics and application scenarios of OLTP systems
                      • 2. Core architecture and evolution of GaussDB-OLTP
                        - Database basic theory
                        • 1. Transaction, ACID properties, isolation levels
                          • 2. Distributed consistency and CAP theorem
                            Topic 5: 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
                                    Topic 6: Performance Monitoring and Optimization10%- Monitoring and diagnosis tools
                                    • 1. Key performance indicators and monitoring methods
                                      - Performance tuning
                                      • 1. Parameter adjustment, SQL optimization, resource scheduling
                                        Topic 7: Data Management and SQL Operations20%- Database objects management
                                        • 1. Partitioning and data distribution strategies
                                          • 2. Databases, tables, indexes, views
                                            - SQL development and optimization
                                            • 1. Execution plan analysis and optimization
                                              • 2. Standard SQL and extended syntax

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

                                                Question #1
                                                Huawei Cloud's recycle bin policy is enabled by default and cannot be turned off. What is the default retention period in days?

                                                A. 1
                                                B. 2
                                                C. 3
                                                D. 4


                                                Question #2
                                                The regex function REGEXP_INSTR returns the starting index of a substring matching the regex. If return_option=1, it returns the last matched position.

                                                A. False
                                                B. True


                                                Question #3
                                                GaussDB (for MySQL) supports compute node bidirectional scaling: vertical (1 write, 15 reads) and horizontal (elastic online scaling, pay-as-you-go).

                                                A. False
                                                B. True


                                                Question #4
                                                Which of the following are key operations supported by Cloud Audit (CTS) for GaussDB (for MySQL) instances?

                                                A. Modify parameter template
                                                B. Delete DB user
                                                C. Create read-only instance
                                                D. Modify DB port


                                                Question #5
                                                Which regex pattern is used to match one or more 'h' characters?

                                                A. h-
                                                B. h
                                                C. h*
                                                D. h+


                                                Solutions:

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

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