The length of your resume should not be more than 1 page and there must be a full name with signature at the end of the page. Also, do not forget that the content of the resume and it must not be different in information, especially important ones. However, it is neither a part nor a summary of your one. So, differentiate the it is function and resume.
The strength of your resume depends on your confidence, but confidence here does not mean arrogance. Your resume must absolutely avoid words and phrases that may make the readers think that you are too sharp and even deceitful. Use the resume and resume to make the readers understand that you are sensitive, professional, politely and well qualified.