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Public Key Infrastructure - Exercise

Public key infrastructure (PKI) Standards and trust

Matching applet: digital certificates and certificate authorities
Objective: Define key terms about digital certificates.


In the left column below are seven terms; their corresponding definitions appear in the right column.
Click once on a term in the left column, then click once on the definition in the right column to make a match.
When you think you have all the terms and their definitions matched correctly, click the Submit button, and you will see whether or not you have matched the terms correctly, green lines mean the match is correct, red lines mean the match is incorrect. If you did not get the matches right the first time, click Clear to erase your matches and try again. When you have completed the exercise, click the Submit button to see the correct answers.

Exercise Scoring

You will receive seven points for this exercise. The exercise is auto-scored; when you have completed the exercise, click the Submit button to receive full credit.
  1. Certificate authority
  2. Registration authority
  3. Revocation
  4. Digital certificate
  5. Digital signature
  1. What happens when you lose trust in a certificate
  2. Creates certificate authorities
  3. Use of a public key and a digital signature
  4. A movement interested in standardizing the creation, transport, and storage of keys
  5. Use of a one-way hash algorithm and a private key
  6. Essential for valid digital certificates
  7. A respected, trusted body that creates and manages certificates