Which of the following is not a VALID type of firewall?

Which of the following are the public keys of asymmetric key pairs that are used to encrypt keys using a public key algorithm ?

In the sublayer of which of the following does TLS and SSL performs the data encryption of network connections?

All of the following are valid cryptographic hash functions EXCEPT:

Which of the following is a standalone computer program that pretends to be a well-known program in order to steal confidential data ?

Which of the below listed are included in Application hardening?

Which method can be used for Network hardening?

Which measure taken to enhance the security of the system? (Select all that apply)

Which Vulnerability assessment tools?

Select the common VPN protocols.

Which can be classified as passive attacks?