The Internet & Encryption

Data on the Internet is transmitted via ____ wires and connections.

The process of scrambling a message and making in unreadable is​ (a)   . The reverse process to take the scrambled message back to plain text is​ (b)   . The algorithm used for this purpose is called the​ (c)   .

• ENCRYPTION
• DECRYPTION
• KEY/CIPHER
• ENCODER
• DECODER

The loophole of the Caesar cipher was that ...

One way to improve Caesar cipher and make it more difficult to break was to use ___ keys.

Today's encryption keys run as long as ___ bits.

Put the statements in the correct category.

Groups:

(a) SYMMETRIC

,

(b) ASYMMETRIC

• Key is shared ahead of data transmission between sender and recepient.

• Public key is shared openly.

• Messages are encrypted and decrypted with the same key.

• Uses one key

• Uses two different keys

• Messages can only be decrypted using the private key.

Which part of the URL below indicates that data transmission between your device and the server of the website is secure and encrypted?

https://www.amazon.es/login/