L1/2 Unit 1 Mock practice questions

Which key is used to uniquely identify a record in a database?

• Foreign Key

• Secondary Key

• Primary Key

• Encryption Key

Identify the data type used to store a person's name in a database.

• Currency

• Number

• Yes/No

• Text

Hypertext Markup Language (HTML) is used to create web pages.

What is the tag 'href' used for?

• Paragraph

• Heading

• Bold

• Hyperlink

Hypertext Markup Language (HTML) is used to create web pages.

What is the tag 'h1' used for?

• Paragraph

• Heading

• Bold

• Hyperlink

Identify the file extension that shows a file has been compressed.

• .pub

• .doc

• .zip

• .xls

Which one of these is used in file compression?

• Formula

• Algorithm

• Query

• Permission

Which of the following is a component of a web page?

• Router

• Domain

• Trailer

• Menu

Which transmission mode does a REMOTE CONTROL use for communication?

• Serial

• Duplex

• Half Duplex

• Simplex

Which transmission mode does a SMART PHONE use for communication?

• Serial

• Duplex

• Half Duplex

• Simplex

Identify one of the benefits of instant messaging.

• Accessible without a network connectin

• Reduces risk of viruses

• Messages are sent in real time

• Secure method of communication