<P> Certified Ethical Hacker (CEH) is a qualification obtained by assessing the security of computer systems, using penetration testing techniques . The code for the CEH exam is 312 - 50, and the certification is in Version 9 as of 2016 . </P> <P> Penetration tests are employed by organizations that hire certified ethical hackers to penetrate networks and computer systems with the purpose of finding and fixing security vulnerabilities . The EC - Council offers another certification, known as Certified Network Defense Architect (CNDA). This certification is designed for United States Government agencies and is available only to members of selected agencies . </P> <P> Certification is achieved by taking the CEH examination after having either attended training at an Accredited Training Center (ATC), or completed through self - study . If a candidate opts for self - study, an application must be filled out and proof submitted of two years of relevant information security work experience . Those without the required two years of information security related work experience can request consideration of educational background . The current version of the CEH is V9 which uses the EC - Council's exam 312 - 50, as the earlier versions did . Although the new version V8 has recently been launched, this exam has 125 multiple - choice questions, with a 4 - hour time limit, The test delivery will be web based, via Prometric prime . The exam code varies at different testing centers . The 312 - 50 exam will be proctored at Accredited Training Centers (ATC). The earlier v7 had 150 multiple - choice questions and a four - hour time limit . The version 7 and version 8 exams cost US $500 for the actual test and $100 as a non-refundable fee for registration . Prices apply in the United States (prices in other countries may be different), and is administered via computer at an EC - Council Accredited Training Center, Pearson VUE, or Prometric testing center (in the United States). The V9 was released with very few changes in its modules . </P> <P> The EC - Council and various ATCs (Accredited Training Center) administer the CEH examination . </P>

What are the ec-council’s requirements to become a certified ethical hacker