Now, first of all, while writing or your resume, you should include the skills you have that prove that you are qualified for the post. While, you can include your top skills, which would help in strengthening your resume. While, on the other hand including some skills may turn out bad for you.
While you are adding skills to your resume, you should be selective and specific. Do not put the skills on the resume that you do not have. And if you are applying for different jobs, you should try to create a different and unique resume for each. And this will help you including the skills that are not relevant for a particular job.
