Database Management Quiz

What is the purpose of database backup?

• To compress the database files for storage efficiency

• To encrypt the database for security purposes

• To delete unnecessary data from the database

• To create a duplicate of the database information for safekeeping

What is the main reason for taking regular backups of SQL Server databases?

• To reduce the storage space required for databases

• To increase the speed of database operations

• To ensure data availability in case of disasters

• To prevent hardware failures

What is the advantage of a differential backup compared to a full backup?

• Differential backups offer higher bandwidth for data transfer

• Differential backups are more secure against data leaks

• Differential backups provide better data compression

• Differential backups are faster and require less storage space

What is the primary advantage of database transactions?

• Higher risk of data loss due to system failures

• Limited ability to retrieve historical data

• Increased complexity in manipulating data stores

• Flexibility in modifying data without affecting sensitive information

What is the responsibility of a Database Administrator (DBA)?

• Design, implement, and maintain computerized databases

• Install and configure hardware and software for computer systems

• Monitor system performance and ensure accessibility to users

• Develop and implement system security measures

What is the role of a System Administrator in a company's computer system?

• Day-to-day maintenance and operation of computer systems

• Developing data backup and recovery plans

• Designing and implementing databases and applications

• Optimizing database performance and troubleshooting issues

What is the function of Data Administration in an organization?

• Training and supporting end-users in database operations

• Routine maintenance and backup of databases

• Selection of hardware and software for database management

• Overall management of data resources, including data definitions and standards

What does Database Administration entail?

• Physical database design, security enforcement, performance optimization

• Installing and upgrading hardware for computer systems

• Developing policies and procedures for data management

• Monitoring system performance and accessibility for users

What is the primary role of a database in an organization?

• Ensuring data security and privacy

• Managing hardware and software installations

• Supporting managerial decision making at all levels

• Providing technical support for system administrators

What is a key difference between a Database Administrator and a System Administrator?

• DBA deals with system security, while sysadmin deals with data integrity

• DBA is responsible for hardware maintenance, while sysadmin handles software

• DBA focuses on the database, while sysadmin manages the server

• DBA works with end-users, while sysadmin works with developers