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

1. The delay between read-only and primary nodes mainly comes from which of the following?

A) Read-only nodes reading logs
B) Read-only nodes deleting WAL
C) Read-only nodes replaying WAL
D) Small data sync between hosts

2. What is the output of the following SQL statement?
SELECT JSON_EXTRACT(10, 20, [30, 40], "$$"$$11);

A) (30, 40, 20)
B) [30, 40, 20]
C) [20, 10]
D) (20, 10)

3. Which of the following are key operations supported by Cloud Audit (CTS) for GaussDB (for MySQL) instances?

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

4. Which factors affect database performance?

A) Software environment
B) Internal DB factors
C) Hardware
D) System scale

5. User sessions correspond to user connection threads - one session equals one connection thread.

A) False
B) True

Solutions: