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Computer Security and Maintenance

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Questions and Answers

What is the purpose of a Firewall?

To perform virus backup

To adjust the font size

To increase the brightness of the screen

To protect against unauthorized access (correct)

What is the function of a Virus Backup?

To prevent unauthorized access

To store backup copies of files infected with viruses (correct)

To adjust system settings

To control the font type

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

Firewall

Backup

Adjust brightness option (correct)

Gadgets

What is the purpose of a Security System?

To protect against unauthorized access Signup and view all the answers

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

The initial webpage that loads when the browser is opened Signup and view all the answers

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

To allow you to find the relation between two tables Signup and view all the answers

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

Primary key Signup and view all the answers

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 Signup and view all the answers

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 Signup and view all the answers

Why do we need keys in the DBMS system?

To help identify any row of data in a table among thousands of records Signup and view all the answers