In addition, functional or combination resumes may also be useful if you are trying to draw the readers attention away from something – namely, large gaps in your work history or detours into unrelated fields.
Generally, a resume is much shorter in length compared to a CV, usually limited to one page. It is meant to be a very brief synopsis of your career and education history. Resumes should focus on measurable accomplishments rather than soft skills or listed responsibilities. Like a CV, resumes need to be updated, but those updates should be made form specific job to which you are applying.