The CCENT Exam is the most popular and hottest exam designed specifically designed to configure a small size network in IT field. After passing this certification you are capable enough to handle major networking issues. This certification increases your demand in IT industry. The employers are always interested in hiring CCENT certified professionals as it adds value to the organization that it has CCENT certified professionals in their work force.Before going for Testking SY0-201 exam one should understand the topics or outline of the exam.IP Addresses: It is a main and key component of networking. Through IP addresses a computer send information to other computers. It looks like as a house addresses just like the postal system. Every single house is required to have a house number and a street name that it is located on. With this a man know show to get the mail to your house. It consists of two parts one is networking and other is host part and these two are determined by subnet mask.Subnetting: For CCENT exam subnetting is the most integral and important topic as it shows up in almost all questions and because you will have to answer a simulation question about subnetting. It is suggested to spend lots of time in understanding subnetting.The OSI Model: This will lay out your foundation upon which the rest of the topics rely on. The clear understanding of OSI model enables you to attempt the paper and get a grasp on the field of networking. This model is designed allow uniformity between vendors of networking equipment.Wireless: This topic was not included in Testking 640-802 exams previously. Now with more topics wireless is also included in Cisco exams.