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Q. TSL (Transport Layer Security) is a cryptographic protocol used for securing HTTP/HTTPS based connection.

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

Q. An attempt to harm, damage or cause threat to a system or network is broadly termed as ______

Q. Symmetric key encryption is also called as?

Q. Firewall examines each ____________ that are entering or leaving the internal network.

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

Q. What is data encryption standard (DES)?

Q. Hash function is used for________

Q. In the above figure, which of the above shaded block is transparent to end users and applications?

Q. What types of protocols are used in VPNs?