public-key-infrastructure-quiz

What are the characteristic features of the Distinguished Encoding Rules (DER) digital certificate format?

.der and .cer file extensions Encoded in binary format Generally used for Java servers

Which of the following answers refer to the P7B digital certificate format?

.p7b file extension Encoded in text (ASCII Base64) format Generally used for Microsoft windows and Java Tomcat servers

Which of the following answers refer to the Privacy Enhanced Email (PEM) digital certificate format?

.pem, .crt, .cer and .key file extensions Encoded in text (ASCII Base64) format Generally used for Apache servers or similar configurations

What are the characteristic features of the Personal Information Exchange (PFX) and P12 digital certificate format?

.pfx and .p12 file extensions Generally used for Microsoft windows servers Encoded in binary format

What is the PKI role of Registration Authority (RA)

Accepting requests for digital certificates Authenticating the entity making the request

Which of the following answers refers to a deprecated security mechanism designed to defend HTTPS websites against impersonation attacks performed with the use of fraudulent digital certificates?

Pinning

Which of the answers listed below refer to examples of PKI trust models?

Single CA model Hierarchical model (root CA + intermediate CAs) Mesh model (cross-certifying CAs) Web of trust model (all CAs act as root CAs) Client-server mutual authentication model ~All of the above

Which of the following allows for checking digital certificate revocation status without contacting Certificate Authority (CA)?

Stapling

A digital certificate which allows multiple domains to be protected by a single certificate is known as

Subject Alternative Name (SAN) certificate