Q: Are certifications valid for a lifetime upon completing all certification requirements? ¶
A: Yes.
Q: Is a certification similar in that they both require the demonstration of a certain level of knowledge or ability? ¶
A: Yes.
Q: Are certifications the instructor-led sessions, where each course has to be passed, e.g? ¶
A: Yes, Certified Software Test Professional or Certified Software Test Professional by International Institute for Software Testing.