PKI Basics Quiz

What is the main purpose of a Public Key Infrastructure (PKI)?

• To create secure passwords

• To establish and maintain a trustworthy networking environment

• To block malicious websites

• To speed up internet connections

In the PKI system, what is a digital certificate most comparable to?

• A computer password

• An identification card or passport

• A house key

• A security alarm

Which entity in a PKI is responsible for issuing digital certificates?

• Registration Authority (RA)

• Certificate Repository

• Certificate Authority (CA)

• Validation Authority

In the "Digital Town of Secureville" story, what does the Secureville Trust Office represent?

• A public key

• A Certificate Authority

• A private key

• A web browser

What is the main function of a private key in PKI?

• It can be freely shared with anyone

• It's used to decrypt messages sent to you and create digital signatures

• It's issued by the Certificate Authority

• It's stored in public directories

What happens when a digital certificate is revoked?

• It gets upgraded automatically

• It's added to a Certificate Revocation List and should no longer be trusted

• It becomes more secure

• Its encryption becomes stronger

Which of the following best describes the relationship between public and private keys?

• They are identical copies of each other

• They are completely unrelated

• They are mathematically related pairs where one encrypts what the other decrypts

• Public keys are more secure than private keys

What does HTTPS signify on a website?

• That the website is using PKI to secure communications

• That the website is a government entity

• That the website doesn't collect user data

• That the website is free to use

In PKI, what is the role of the Registration Authority (RA)?

• To issue digital certificates

• To create public and private keys

• To verify identities before certificate issuance

• To encrypt all network traffic

How does PKI help with email security?

• By making emails send faster

• By allowing emails to contain larger attachments

• By verifying the sender's identity and ensuring the message wasn't tampered with

• By automatically filtering spam