Answer:
A. Vegenere
Explanation:
<em>I think it's spelled Vigenère, I might be wrong.</em>
The three types of cryptograph are:
Symmetric Key Cryptography (Private/Secret Key Cryptography)
Asymmetric Key Cryptography (Public Key Cryptography)
Hash Function
Answer:
Internet, multimedia, email and many more.
Explanation:
Communications technology, refers to all equipment and programs that are used to process and communicate information.
Communication Technology includes the Internet, multimedia, e-mail, telephone and other sound-based and video-based communication means.