CCNA certification is a professional credential from Cisco It stands for Cisco Certified Network Associate, and is a validation of fundamental knowledge and skills of networking topologies and protocols. The CCNA is qualified to execute network operations such as installation, configuration, management and troubleshooting of the enterprise networking systems.
A passing score on the CCNA exam papers is required for CCNA certification. There are numerous ways to prepare for the CCNA exam. Besides reading study guides and attending CCNA training programs, an effective way of ensuring exam success is working through exam questions.
Going through practice exams and simulation tests will provide the individual with a sense of preparedness. The practice tests will help to acclimatize the student with the exam scenario, build confidence and generally reduce exam stress.

Various types of practice exams are available. There are exam simulation softwares and online test engines which help candidates prepare for their CCNA exams, such as SimSem, CertSim or Testking. Free CCNA test questions are available for a trial period.
These exam prep packs typically feature hundreds of CCNA questions arranged according to CCNA exam topics for easy reference. Some feature interactive router CCNA simulation questions and CCNA lab questions. The tests come with correct answers, detailed explanations and score sheets with highlights on weak areas.
The questions could be actual CCNA questions with answers provided by CCNA specialists. The CCNA practice questions are designed in the same format as the actual exams. There are multiple choice questions, drag-and-drop, fill-in-the-blank, testlet, simlet and simulations. The practice tests could be taken in either the study mode (by topic) or test mode (random test of all topics)