IT SecurityCâu 78 / 100
What is the role of a digital certificate in security?
a.To store a user's photos
b.To bind a public key to an identity and enable trust, often for HTTPS
c.To increase disk space
d.To cool the server
Giải thích
A digital certificate, issued by a trusted certificate authority, binds a public key to a verified identity such as a website. Browsers use certificates to confirm they are communicating with the legitimate server and to establish encrypted HTTPS connections. This underpins trust on the web.
Luyện miễn phí toàn bộ 100 câu hỏi — không cần đăng ký.
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- What is a 'zero-day' vulnerability?
- What is 'two-factor authentication' an example of?
- What is the best response when a user receives a suspicious email asking them to urgently click a link and enter their password?
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Đội Ngũ Biên Tập PrepPass · Đối chiếu với Google IT Support Professional Certificate · Quy trình kiểm tra