GCSE OCR Understanding Network Protocols

What is the primary function of a protocol in computer networks?

• To enable communication between devices

• To encrypt sensitive information

• To enhance the speed of data transfer

• To store data on the cloud

What is the main advantage of using protocols in networking?

• Reducing the cost of internet services

• Facilitating device communication

• Increasing data storage

• Improving the graphical interface of web pages

Which protocol is responsible for error-free data transmission between routers?

• HTTP

• TCP

• FTP

• SMTP

What does the IP protocol do?

• Routes packets across networks

• Sends emails

• Transfers files

• Encrypts data

What is the significance of the TCP/IP protocol stack?

• It is used for email encryption

• It enhances the speed of web browsing

• It forms the foundation of internet communication

• It is primarily used for file transfers

Which protocol is essential for the basic foundation of all internet communication?

• HTTPS

• SMTP

• FTP

• TCP/IP

What is the main difference between HTTP and HTTPS?

• HTTPS is faster than HTTP

• HTTP is more secure than HTTPS

• HTTP is used for email communication

• HTTPS includes encryption for security

Why is HTTPS preferred over HTTP for sensitive transactions?

• It supports larger files

• It encrypts data for security

• It is more user-friendly

• It is faster

What is the purpose of FTP?

• To send emails

• To route data packets

• To encrypt web traffic

• To transfer files between computers

How does FTP facilitate file transfer?

• By compressing files

• By encrypting files

• By converting files to HTML

• By using common commands