Huawei HCIA-openGauss (H14-311) Certification Sample Questions

01. Why are management tools important in a cloud database service?
a) They replace SQL functionality
b) They simplify administration and reduce manual effort
c) They disable automation
d) They restrict scalability

02. Match each operation with its risk level
Operation:
• SELECT
• CREATE TABLE
• DROP TABLE
• ALTER SYSTEM
Risk level:
- Low risk
- Moderate risk
- High risk
- High risk
a) - SELECT → Low risk
- CREATE TABLE → High risk
- DROP TABLE → High risk
- ALTER SYSTEM → Moderate risk
b) - SELECT → High risk
- CREATE TABLE → Low risk
- DROP TABLE → Moderate risk
- ALTER SYSTEM → High risk
c) - SELECT → High risk
- CREATE TABLE → Moderate risk
- DROP TABLE → High risk
- ALTER SYSTEM → Low risk
d) - SELECT → Low risk
- CREATE TABLE → Moderate risk
- DROP TABLE → High risk
- ALTER SYSTEM → High risk

03. Which characteristic best distinguishes structured data from other data types in relational databases?
a) It is generated only by transactional systems
b) It follows a predefined schema with fixed fields
c) It cannot be queried using SQL
d) It is stored only in binary formats

04. Which actions help reduce risk during critical database operations?
(Select TWO)
a) Performing operations during maintenance windows
b) Validating commands in test environments
c) Disabling transaction logging
d) Ignoring error messages

05. Which system checks are typically performed before installing openGauss?
(Select TWO)
a) CPU architecture compatibility
b) Browser version
c) Available disk space
d) Desktop theme settings

06. Why should active database connections be terminated before uninstallation?
a) To improve SQL performance
b) To avoid changing authentication rules
c) To prevent data corruption or incomplete shutdown
d) To reduce memory usage

07. Arrange the following tasks in the correct order for a typical openGauss installation.
a) - Verify system prerequisites
- Install openGauss software
- Initialize the database cluster
- Start the database service
b) - Start the database service
- Verify system prerequisites
- Install openGauss software
- Initialize the database cluster
c) - Start the database service
- Initialize the database cluster
- Verify system prerequisites
- Install openGauss software
d) - Install openGauss software
- Initialize the database cluster
- Verify system prerequisites
- Start the database service

08. Why should system catalogs be accessed carefully?
a) They store temporary user data
b) They automatically modify tables
c) They slow down SQL execution
d) They contain critical metadata

09. How does automated backup improve data protection?
a) By disabling user access
b) By ensuring regular, consistent backups
c) By removing transaction logs
d) By reducing storage usage to zero

10. What is the recommended precaution before performing a high-risk operation?
a) Disable authentication
b) Increase query timeout
c) Take a valid backup
d) Stop all client tools