Gives considerable flexibility, emphasizes skills, and eliminates repetition of work assignments. Less emphasis on gaps in employment record. Positions not related to current career goals can be played down. Doesn't allow you to highlight companies for which you have worked. Employers may want additional work history since actual titles and work history are in a subordinate position and sometimes left off entirely.
Combination provides evidence of responsibility, potential, and transferable skills.
Can emphasize most relevant and transferable skills and abilities followed by employment history. Allows flexibility to present career growth and continuity. Format can highlight chronology or functional descriptions. This style takes longer to read and an employer may lose interest unless it is written concisely and attractively designed. Scanable highlights keywords, often used in initial screening.