CCIE Practical Studies: Security (CCIE Self-Study)

FAQs

Q1:	Why do I need to consider availability as part of my overall security policy?
A1:	Confidentiality, integrity, and availability all help ensure the security of your network environment. Availability is included because a service that is not available when needed is as harmful to a company as that company being hacked. A denial-of-service attack is one example of an attack aimed at availability.
Q2:	Why would I use a digital signature?
A2:	Digital signatures are a way for an individual to electronically sign an electronic transaction. The digital signature provides the nonrepudiation service of an electronic transaction through the validation of the sender as well as places a time stamp on the message.
Q3:	Why would I use an Intrusion Detection ...