Mark is implementing security on his e-commerce site. He wants to ensure that a customer sending a message is really the one he claims to be. Which of the following techniques will he use to ensure this?

A. Packet filtering

B. Authentication

C. Firewall

D. Digital signature








 

Suggested Answer: D



This question is in GISF exam 
For getting GIAC Information Security Fundamentals (GISF) Certificate

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