Which of the following provides Digital Signatures?

Which of the following must a user implement if they want to send a secret message to a coworker by
embedding it within an image?

Which of the following can hide confidential or malicious data in the whitespace of other files (e.g. JPEGs)?

A security analyst discovered data such as images and word documents hidden within different types of files.Which of the following cryptographic concepts describes what was discovered?

A security administrator discovers an image file that has several plain text documents hidden in the file. Which
of the following security goals is met by camouflaging data inside of other files?

Which of the following concepts is used by digital signatures to ensure integrity of the data?

All of the following are valid cryptographic hash functions EXCEPT:

Which of the following concepts is enforced by certifying that email communications have been sent by who the
message says it has been sent by?

Which of the following ports should be opened on a firewall to allow for NetBIOS communication? (Select two.)

Which of the following transportation encryption protocols should be used to ensure maximum security between
a web browser and a web server?