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Q. S/MIME is abbreviated as __________________

Q. There are ________ types of VPN protocols.

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

Q. The technique in which when one character is replaced by another Character is called as?

Q. __________ means knowledge obtained from investigation, study , intelligence new ,facts .

Q. __is the practice of concealing a message within another message,image or file.

Q. One advantage of Packet Filtering firewall is __________

Q. Assurance that authentic user is taking part in communication is:

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