You are browsing a website for your work project, and you notice that the web browser shows a security warning related to the website's certificate. Which of the following could be a reason for the warning?
The certificate is expired.
The certificate matches the website's domain name.
The certificate has been issued by a trusted Certificate Authority.
The website is using a common programming language.
A valid certificate ensures secure communication between the web browser and the website. Causes for security warnings include an expired certificate, a mismatch in the domain name, or the certificate not being issued by a trusted Certificate Authority (CA). Invalid certificates can compromise the security of the data exchanged.
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What happens when a certificate is expired?
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What is a Certificate Authority (CA)?
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What does it mean if a certificate does not match the website's domain name?