Cert EspressoLearn. Practise. Find your flow.

A LITTLE FOCUS.
A BIG NEXT STEP.

Your pace. Your space.
CompTIA · Security+ SY0-801

PKI and certificates

Security+ SY0-801 · Lesson 5 of 32 · 31:54

YouTube loads only after you press play. This chapter opens at its timestamp in the full course. Watch on YouTube ↗

In this lesson

Prepare for the Security+ SY0-801 exam (CompTIA Security+ V8). In this lesson: public key infrastructure (public and private keys, certificate authorities, key escrow), requesting and choosing certificates, revocation with CRLs and OCSP, and encryption levels, from full disk to file, volume, and database, starting from an expired certificate. Includes three original practice questions.

Preview the topics
  • Ashgrove’s new web store server needs a certificate from a public certificate authority. What does the admin send to the CA?
  • Ashgrove learns that an attacker copied the private key of its web store certificate, and the certificate is valid for four more months. What should the team do first?
  • An Ashgrove engineer copies a sensitive design to a USB drive, to show it to a supplier. Which encryption level keeps the design protected after the copy?