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| Section | Objectives |
|---|---|
| Performance Tuning | - Query optimization - Resource monitoring - Index design |
| Security & Maintenance | - Audit and logging - Routine maintenance operations - User management and permissions |
| Database Installation & Deployment | - Node roles and configuration - Cluster deployment and initialization |
| GaussDB Architecture & Fundamentals | - Compute-storage separation principles - Distributed database concepts - GaussDB (OLTP) core architecture |
| High Availability & Backup | - Failover and recovery - Replication mechanisms - Backup and restore strategies |
| SQL & Data Management | - Transactions and concurrency control - SQL syntax and optimization - Indexes and execution plans |
Question 1
Which type of tree does the InnoDB engine use by default to store index information?
A. Binary Tree
B. Balanced Binary Tree
C. B-Tree
D. B+ Tree
Question 2
The Data Management Service (DAS) is used for logging into and operating cloud databases on Huawei Cloud. Which of the following versions isnotprovided by DAS?
A. Standard Edition: for developers
B. Professional Edition: for business personnel
C. Enterprise Edition: for enterprise users
D. For DBAs and O&M personnel
E. Cloud DB
Question 3
Which statements about GaussDB (for MySQL)'s high reliability and scalability are correct?
A. Storage up to 256TB, pay-as-you-go, no pre-planning
B. Shared storage allows fast expansion by adding compute nodes only
C. Binlog delay is eliminated, RTO is guaranteed
D. Storage layer asynchronously pushes logs in distributed fashion
Question 4
Which metrics can be displayed in real-time performance?
A. Network traffic
B. QPS
C. DML execution count
D. Slow queries
Question 5
Which statements about GaussDB (for MySQL) primary-standby replication are correct?
A. Read-only nodes replay WAL and read Pages
B. Primary and read-only share storage
C. No latency exists between primary and read-only nodes
D. Read-only nodes use Log
Solutions:
| Question 1 Answer: D | Question 2 Answer: B | Question 3 Answer: B,C,D | Question 4 Answer: A,B,C,D | Question 5 Answer: A,B,D |
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