IT workers who want to further their computer careers can take the CCNA certification test. Developed by Cisco, passing the test demonstrates proficiency in computer networking. The test are administered at the testing center Pearson VUE. Practice test can be found on several websites online. The CCNA certification is good for three years and it's a beginning certification test that can start your computer networking career. CCNA stands for Cisco certified network associate. Network administrator professionals are responsible for maintaining computer networks. Network administrators often have a bachelor's degree in computer science and choose the CCNA to improve their marketability. The average salaries range from $40,000 to $60,000 per year for administrators who are certified by CCNA. Network Engineers are professionals who design and maintain computer networks. Most network engineers have a bachelor's degree in computer engineering. The average salaries range from $50,000 to $74,000 per year for network engineers who are certified by CCNA. A senior network engineer certified by CCNA and who are in charge of network design projects average salaries from $72,000 to $97,000 per year. A systems engineer design large systems and networks. Most systems engineers have a bachelor's degree in computer engineering. The average salary for CCNA certified systems engineers range from $50,000 to $75,000 per year. Professionals who are certified by CCNA can expect an increase in salary as they gain on the job experience. The average salary for professionals with one to four years work experience is $50,000 per year. The best way to prepare for the CCNA exam is to become familiar with the products and programs offered by Cisco. There are many websites that offer tips and suggestions about the CCNA exam. Visit Cisco's website to learn more about the exam and the recommendations for learning the needed material. The exam takes an hour and a half to complete and you want to be prepared. There are study guides and resources available online to help you prepare for the exam. You can also enroll in a preparation class to learn more about Cisco networking. Take practice test online and keep working on the wrong answers until you understand why you missed them. The CCNA certification can prepare you for new career opportunities and advancement. Careful study and practice will help you reach your goal of passing the CCNA.