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Table Of Contents  CertiGuide to Security+
 9  Glossary

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Diffie-Hellman



(Also referred to as Exponential key agreement) Allows two systems to exchange a secret key without any prior shared secrets

http://www.rsasecurity.com/rsalabs/faq/3-6-1.html

Digital certificate

An electronic form of identification. Includes your name, a serial #, expiration date, and your public key

http://searchsecurity.techtarget.com/sDefinition/0,,sid14_gci211947,00.html

Digital signature

An electronic signature which authenticates the signer of a document or sender of a message

http://searchsecurity.techtarget.com/sDefinition/0,,sid14_gci211953,00.html

DRP (Disaster Recovery Plan)

The prescribed procedure for dealing with potential disaster

http://searchsystemsmanagement.techtarget.com/sDefinition/0,,sid20_gci752089,00.html

DMZ (DeMilitarized Zone)

A neutral zone between the public network (Internet) and a firm’s private network

http://searchwebservices.techtarget.com/sDefinition/0,,sid26_gci213891,00.html

DNS (Domain Name Service)

The protocol that converts friendly names to IP addresses

http://searchwebservices.techtarget.com/sDefinition/0,,sid26_gci213908,00.html

DoS (Denial of Service)

A condition where an expected service is not available, typically due to an attack. Refer to Distributed Denial of Service (DDoS)

http://searchsecurity.techtarget.com/sDefinition/0,,sid14_gci213591,00.html


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