1.Which of the following are possible characteristics of the incremental development model?Select ALL that apply.

Select one or more:

a. Customer can use (limited functionality) early version and provide feedback.

b. This process model is particularly useful for large systems being developed by multiple partners.

c. This approach is useful when the requirements are somewhat fluid and subject to change.

d. This process model interleaves specification, development, and validation activities.

2. Which of the following are part of requirements engineering process?Select ALL that apply.

Select one or more:

a. requirements elicitation and analysis

b. requirements specification

c. requirements test planning

d. requirements validation