Computer Security and Maintenance

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10 Questions

What is the purpose of a Firewall?

To protect against unauthorized access

What is the function of a Virus Backup?

To store backup copies of files infected with viruses

Which component is responsible for controlling the brightness of the screen?

Adjust brightness option

What is the purpose of a Security System?

To protect against unauthorized access

What does the term 'homepage' refer to in the context of IE (Internet Explorer)?

The initial webpage that loads when the browser is opened

What is the purpose of keys in a database management system (DBMS)?

To allow you to find the relation between two tables

Which key uniquely identifies a row in a table by a combination of one or more columns?

Primary key

What is the function of a super key in a database management system (DBMS)?

It provides a unique identifier for each record in a table

What is the difference between a primary key and a foreign key?

Primary key uniquely identifies a row in a table, while foreign key establishes a relationship with another table

Why do we need keys in the DBMS system?

To help identify any row of data in a table among thousands of records

Test your knowledge of computer security and maintenance terminology, including firewall, virus, backup, device protection, and system utilities.

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