NCLEX-PN basically tests the skills of the candidates that are required to practice as a licensed practical nurse. In the case the candidate fails to pass the exam in the first attempt, then s/he can retake the test after 45 days. The possession of license entitles you to work as an LPN in the professional environment. On passing the test, one gets the license. Once you complete the LPN course from a state authorized college, the next step is to clear the NCLEX-PN test. In order to gain complete information about the ways to obtain a license and how to maintain it, read further. A licensed practical nurse can attain a license in the state of Maryland either by examination or endorsement.