A business analyst is working with the project manager, company auditors, and project stakeholders to determine whether formal signoff should be required for the project. For which reason would the business analyst recommend formal signoff to the group?

Requirements for a project have already been approved and finalized when a stakeholder approaches the project team with a change to one of their requirements. Which method of document control should the business analyst use to document changes in requirement(s) versioning?

The project team is early in the development phase of a new product. The project will need to be completed on a tight timeline and and with a lean budget. What should the team do to reduce the risk of rework?

A company is awarded a contract to design and build a custom product. The contract references a detailed technical specification.
What is the best action to take to ensure the design meets customer requirements?

A business analyst has been assigned to a project team that is redesigning the company's website The business analyst has been documenting the relationships between requirements and has found requirements that do not trace to a business need.
Which type of requirements are these?