World of Computer Networking Your CCNA start - Application and Protocol Ports

The video tutorial explains the use of various web protocols like HTTP, HTTPS, SSH, IMAP Secure, and SMTP Secure, highlighting their roles in data retrieval and communication. It emphasizes the importance of using secure versions of these protocols to protect data from interception. The tutorial also covers the concept of default ports associated with these protocols and their significance in distinguishing data traffic. Finally, it encourages analyzing web connections to understand protocol usage better.

Which of the following browsers use HTTPS and HTTP protocols to retrieve data?

• Microsoft Edge

• Brave

• Google Chrome

• Opera

What is the default port for the HTTPS protocol?

• 993

• 80

• 22

• 443

Why is it recommended to use secure versions of protocols like HTTPS?

• They are cheaper

• They are faster

• They prevent data interception

• They are easier to configure

Which protocol uses port 22 by default?

• SSH

• IMAP

• HTTP

• SMTP

What can be adjusted if needed in protocols operating above the transport layer?

• Server locations

• Encryption methods

• Default ports

• Protocol names