1. Compare and contrast the advantages and disadvantages of PKIs and key servers. Describe one example application for which you would use a PKI. Describe one example application for which you would use a key server. Justify each of your decisions.
2. Compare and contrast the advantages and disadvantages of CRLs, fast revocation, and online certificate verification. Describe one example application for which you would use a CRL. Describe one example application for which you would use fast revocation. Describe one example application for which you would use online certificate verification. Justify each of your decisions.