CompTIA A+ Certification Core 2 (220-1102) - The World Wide Web

The video tutorial discusses common issues with web browsers and the importance of understanding HTTP and HTTPS protocols. It explains how insecure connections can be identified and the role of encryption in HTTPS. The tutorial also covers the significance of certificates, including expired, revoked, and self-signed certificates, and how users can recognize and respond to these issues. The video emphasizes the need for secure web connections and the role of third-party certificate authorities in ensuring safety.

Which of the following is a secure protocol used by web browsers?

• HTTPS

• FTP

• SMTP

• HTTP

Which protocol runs on port 443?

• SMTP

• FTP

• HTTPS

• HTTP

What is the primary risk of using HTTP for web connections?

• It is slower than HTTPS

• It is not compatible with all browsers

• It allows data to be intercepted and read

• It requires more bandwidth

What is the main purpose of a certificate in HTTPS?

• To speed up the connection

• To encrypt data and verify authenticity

• To reduce server load

• To provide a backup of the website

What does a revoked certificate indicate?

• The certificate is issued by a new authority

• The certificate is no longer trusted

• The certificate is self-signed

• The certificate has expired

Which of the following is a characteristic of a self-signed certificate?

• It is issued by a trusted authority

• It is used for internal purposes

• It is always secure

• It never expires

What should a user do when encountering an expired certificate?

• Contact the website administrator

• Ignore the warning and proceed

• Check the certificate details and decide

• Immediately close the browser