Practice Armed Services Vocational Aptitude Battery, or ASVAB, tests are available on several websites, including Military.com, ASVABTest Bank, Union Test Prep and more. These websites offer both short and full-length practice tests.
The ASVAB is a multiple choice test that one needs to take to enlist in the United States Armed Forces. The test was initially introduced in 1968 and contains nine sections, as of 2015. The entire test takes 3 hours and candidates can take a written or computer-based version of it. Topics for the questions include general science, arithmetic reasoning, world knowledge, electronic information and verbal expression.