Critically discuss the impact of project risks and how should organizations conduct risk management. SECTION A $[40$ MARKS$]$ Read the case study below and answer ALL the questions that follow.QUESTION $2(30$ Marks$)$

The investigation and significance of the key sustainable project management indicators supporting environmentally

friendly building projects while taking into account the opinions of all parties involved in the project.

$2\mathrm{.}1$ Testing a software system has three $(3)$ stages. Report on the three stages $(15$ marks$)$

$2\mathrm{.}2$ Enumerate the differences between Use case modelling, Interaction models, and sequence diagrams $(15$ marks$)$