Domain1

Question 1

Cryptographic Erasure

Answer 1

is a strong sanitization technique that involves encrypting the data with a strong encryption engine and then taking the keys generated in that process, encrypting them with a different encryption engine, and destroying the resulting keys of the second round of encryption. This technique is effective on both magnetic and solid-state drives. Degaussing and overwriting are not effective on SSDs

Question 2

Virtual Machines

Answer 2

Virtual machines are self-contained and have their own internal operating system, so it is possible to move them between different host operating systems.

Question 3

Zerotrust

Answer 3

Zero Trust is a security model centered on the idea that access to data should not be solely made based on network location

Question 4

Network security groups

Answer 4

Network security groups provide functionality equivalent to network firewalls for cloud-hosted server instances