The ASVAB (Armed Services Vocational Aptitude Battery) practice test is a preparatory tool designed to help individuals get ready for the actual ASVAB exam. It typically consists of questions similar to those found on the official test, covering areas such as arithmetic reasoning, mathematics knowledge, paragraph comprehension, and mechanical comprehension. Taking a practice test can familiarize test-takers with the format, types of questions, and time constraints of the ASVAB, allowing them to assess their strengths and weaknesses before the actual exam.