A social networking site allows members to share information and ideas with fellow online community members.?

A(n) ________ image is created by pixels placed on a grid or map

A) absolute B) bitmap C) vector graphics D) lossy

Answer the following statements true (T) or false (F)

1. Symmetric encryption remains by far the most widely used of the two types of encryption. 2. Rotor machines are sophisticated precomputer hardware devices that use substitution techniques. 3. Symmetric encryption is a form of cryptosystem in which encryption and decryption are performed using different keys. It is also known as non-conventional encryption. 4. With the use of symmetric encryption, the principal security problem is maintaining the secrecy of the key. 5. The process of converting from plaintext to ciphertext is known as deciphering or decryption.