which of the following software development process models is suitable to develop an existing

commercial website:

Select one:

a$.$ reuse model

b$.$ agile model

c$.$ waterfall model

d$.$ incremental model

Which phase is not available in software life cycle?

Select one:

a$.$ Testing

b$.$ Validation

c$.$ Abstraction

d$.$ Coding

The phases of the waterfall model are:

Select one:

A$.$ Sequential approach

B$.$ Divide and conquer approach

C$.$ Simultaneous approach

D$.A+B$

Which one of the following words describes the importance of software design?

Select one:

a$.$ Accuracy

b$.$ Efficiency

c$.$ Quality

d$.$ Complexity