Q.4.2
Performance or stress testing report will form part of the approval process before the system is deployed into production.
Define time-based performance criteria when conducting performance or stress testing.

Q.4.3
Quality is valued at the University and no project is approved if this aspect cannot be demonstrated.
Define a type of system test that allows business stakeholders to check system functionality against user requirements.

Q.4.4
As stated in the case study, all the databases on Postgres including the back-ups should be encrypted.
Discuss the importance of encryption and distinguish between encryption and decryption in computer security.

Q.4.5 You are going to need to put few architectures in place to meet all the requirements for the Online University Platform.
Distinguish between Technology and Application Architecture.