One of the main of the spiral model is estimating the time and cost of the project accurately.

The waterfall model is well-suited for projects with clearly defined and fixed .

An important aspect of the spiral model is the identification and handling of throughout the project.

A benefit of the Agile development model is the ability to quickly respond to changing and priorities.

The Agile model is based on the principle that iterative software development is more effective than the traditional linear .

A con of the Agile development model is that it can be challenging for teams to maintain throughout the process.

Agile teams often use to accomplish specific tasks within a set timeframe.

The waterfall model emphasizes on thorough documentation and planning, which can be seen as a for large scale projects.