Which answer is correct? Q1. What is the difference between CAD and BIM in building design? 1. CAD focuses on creating a building model, while BIM focuses on creating drawings 2. CAD is the use of computer systems to assist with design, while BIM is a digital representation of physical and functional characteristics of a facility 3. CAD is a simpler version of BIM 4. CAD and BIM are the same thing Q2. What is Digital Engineering? 1. A single piece of software or tool 2. An entire methodology that is supported by many different technologies 3. The creation of 3D BIM models 4. The use of computer systems to assist with design Q3. What is one of the challenges of BIM adoption in Australia? 1. The clear BIM scopes from project clients 2. The absence of sufficient proof of ROI for small businesses 3. The consistent BIM standards across State and Territory jurisdictions 4. None of the above