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Q. In tunnel mode, IPSec protects the

Q. Which layer of the OSI reference model does IPsec work at?

Q. Pretty good privacy (PGP) is used in ______

Q. Why these 4 elements (confidentiality, integrity, authenticity & availability) are considered fundamental?

Q. Using of spy cameras in malls and shops to capture private parts of any person comes under section 67 of IT Act, 2008 and is punished with imprisonment of ___________

Q. PGP encrypts data by using a block cipher called ______

Q. The__is a polygraphic substitution cipher based on linear algebra.

Q. Public key cryptography also called as________

Q. _______ uses the idea of certificate trust levels.

Q. IKE uses _______