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Huawei H13-921_V1.5 Exam Syllabus Topics:

Section	Weight	Objectives
Data Management and SQL Operations	20%	- Database objects management 1. Databases, tables, indexes, views 2. Partitioning and data distribution strategies - SQL development and optimization 1. Execution plan analysis and optimization 2. Standard SQL and extended syntax
Security Management	10%	- Data security and encryption 1. Transmission encryption, storage encryption, audit logs - User and permission management 1. Roles, privileges, and access control
Installation, Deployment and Configuration	15%	- Planning and preparation 1. Network and environment configuration 2. Hardware and software requirements - Installation and deployment process 1. Standalone and cluster deployment 2. Initial configuration and parameter tuning
Performance Monitoring and Optimization	10%	- Performance tuning 1. Parameter adjustment, SQL optimization, resource scheduling - Monitoring and diagnosis tools 1. Key performance indicators and monitoring methods
GaussDB-OLTP Architecture and Features	20%	- Distributed deployment architecture 1. Components: CN, DN, GTM, CMS 2. Data distribution and sharding mechanism - Core features 1. Distributed SQL engine and compatibility 2. Storage engine and index technology
GaussDB-OLTP Fundamentals	15%	- 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. Distributed consistency and CAP theorem 2. Transaction, ACID properties, isolation levels
High Availability and Disaster Recovery	10%	- Backup and recovery 1. Physical backup, logical backup, point-in-time recovery - High availability mechanism 1. Replication, failover, and load balancing 2. Data consistency and reliability guarantee

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

1. GaussDB (for MySQL) currently only supports the InnoDB storage engine.

A) True
B) False

2. Which are valid plan display formats?

A) Verbose
B) Analyze
C) Normal
D) Pretty

3. Which of the following are GaussDB (for MySQL) thread statuses?

A) Killed: thread terminates after receiving kill signal
B) Inserting data: thread inserting data
C) Executing: thread executing statement
D) Creating table: thread creating a table

4. Database instance status refers to the running status of the DB instance. Which of the following is NOT a valid status for GaussDB (for MySQL)?

A) Creating
B) Normal
C) Running
D) Restarting

5. Which of the following isnotan option of the EXPLAIN command?

A) Verbose
B) Performance
C) Analyze
D) Pretty

Solutions:

Question # 1
Answer: A

Question # 2
Answer: C,D

Question # 3
Answer: A,C,D

Question # 4
Answer: C

Question # 5
Answer: D