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Q. __________ is used for encrypting data at network level

Q. There are _________ types of VPNs.

Q. The main difference in MACs and digital signatures is that, in digital signatures the hash value of the message is encrypted with a user’s public key.

Q. In cryptography, the order of the letters in a message is rearranged by __________

Q. Packet filtering firewalls are deployed on ________

Q. The full form of OSI is OSI model .

Q. Which of the following attack can actively modify communications or data?

Q. PGP makes use of which cryptographic algorithm?

Q. CIA triad is also known as

Q. Symmetric key encryption is also called as?