But there are different levels of clearance, and what you need depends on what you will do. A top secret clearance takes about a year, and a secret clearance averages about six to eight months, he says, adding that 70 percent of jobs at the CIA require a secret clearance or above. The process includes a polygraph, psychological testing, medical evaluations, and credit and criminal background checks.
What is a Software Development Process? A software development process or life cycle is a structure imposed on the development of a software product. There are several models for such processes, each describing approaches to a variety of tasks or activities that take place during the process. More and more software development organizations implement process methodologies.
The difference is that systems development life cycle is the time  it takes to fully develop and fine-tune an entire information  system.Software development life cycle â¦ applies only to the  software development process.dvantages of system development life cycle in terms of waterfall model it only requires minimal resources in implementing this method.