6a - Encryption

Question 1

Applications of encryption

Answer 1

safe password storage, DRM, file encryprtion, communication encryption

Question 2

What is data at rest?

Answer 2

Data being stored, and not transmitted anywhere

Question 3

What is data in transit?

Answer 3

Data being moved between locations, like two between two devices

Question 4

What is DRM?

Answer 4

Digital rights management is a technology which allows control over copyrighted material, often the material is encrypted

Question 5

Name a popular encryption service

Answer 5

Bitlocker

Question 6

What is symmetric encryption

Answer 6

Where the key to encrypt and decrypt are the same - Used when data is at rest

Question 7

What is asymmetric encryption

Answer 7

A public key is used to encrypt and is sent by the receiver, a private key is used to decrypt and is kept securely.

Question 8

What is a digital certificate?

Answer 8

A digital certificate is an electronic document that verifies that the sender of a message over a network is who they say they are. Provided by a certificate authority

Question 9

What is HTTPS

Answer 9

hyper text transfer protocol secure - uses encryption to relay sensitive information - such as payment details