03 Jan Practice Test Question-Transport Layer Security
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When using TLS to secure web communications, what encryption key is used to protect data being sent between the user and the web server?
A. Web Server’s Public Key
B. Ephemeral Key
C. Web Server’s Private Key
D. User’s Public Key
Correct Answer: B
When using TLS encryption, data sent during a session is encrypted using an ephemeral key created specifically for use during that session. That key is generated and encrypted using asymmetric encryption but the normal communication switches over to using faster, symmetric encryption with the ephemeral key.
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