Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to become a qualified and professional ethical hacker [title] Know about the pros and cons of different types of hackers, such as white hat, grey hat and black hat hackers. [step] Newbies who are keen to become a black hat need to keep in mind that " a day of glory is not worth years in prison ". [title] Seek out job opportunities for ethical hackers.

Ending1: [step] Cleaning tech companies paid by customers made money off of the internet. Busking is a great job! Protect a user by offering to work for them while they are working in a financial economic climate. Ending2: [step] Ask current organizations about anti-sanitation organizations such as the national anti-briefing groups for ultimate criminals. Find jobs joining these groups and look for valuable experience as a police intern. Ending3: [step] There are lucrative jobs available in government organizations, banks, financial institutions, military establishments and private companies. [title] Analyze the basic requirements to become an ethical hacker. Ending4: [step] They will develop skills to fix problem users who have small problems solving problems. Some of the jobs teachers might do include grammar, etiquette, and searching for potential jobs.

Answer format: ending1/ending2/ending3/ending4