It really doesn't matter, unless you're looking to be in one of the scientific fields (e.g., forensics, behavioral science, art, ballistics, forgery, etc.). The primary requirement is that you have a minimum 4 year college degree, and can pass the FBI's stringent application, polygraph, and background investigation. Most applicants don't make it through the polygraph, as the failure rate is extremely high.
Once you're in though, the sky's the limit. You can learn pretty much anything you want, and the FBI has many post-grad degree programs that they'll pay for.
For Special Agents, prior military or law enforcement experience/skill is helpful, but not required.
FBI employees are not required to carry guns.
All FBI agents are required to be US Citizens.
you need to be smart
management tasks that are required to accomplish a specified project?
"Have you finished the necessary USPS FBI background check for your application?"
No they have no required background check.
yes
The term for the goals and tasks of a project, and the work required to complete them, is known as project scope.
Not Undercover Agents.
The necessary skill, education, and/or experience required for a position, and the ability to perform the essential tasks of a position
FBI staff members (analysts, etc.) can qualify and carry weapons off-duty if they want to, but it's not required; that only falls to Special Agents, the FBI Police Force (FBI security), and higher level executives.
Identify the Tasks; a list of all the tasks required to execute the program.