3. Cryptography

Pki And Certificates — Quiz

Test your understanding of pki and certificates with 5 practice questions.

Practice Questions

Question 1

What is the primary purpose of a Certification Practice Statement (CPS) in a PKI environment?

Question 2

In a PKI deployment with 200\,000 issued certificates, if 2\% are revoked and each CRL entry requires 80 bytes, what is the approximate size of the CRL? Show your calculation.

Question 3

Which PKI trust model relies on cross‐certification among peer CAs without a single root authority?

Question 4

What is the key advantage of OCSP stapling compared to traditional OCSP for certificate status checking?

Question 5

If a client must download a 1.28\,MiB CRL over a link with 512\,kbps throughput, approximately how many seconds will the download take? Show your calculation.