where can i get my ccna certification

where can i get my ccna certification.WCS,CiscoWirelessLocationAppliance.WCStemplates,autoprovisioning,sitesurvey.WCSRF prediction,WCSPlanningMode.Upgrading the controller:Describes how to upgrade the Cisco controller.Upgrading an AP:Describes how an AP upgrades its image.Upgrading the WCS:Describes how to manage the upgrade of the WCS.Managing Configuration: covers how to manage profiles with the controller.Maintaining the wireless networkThe day-to-day management part of a wireless network includes the management of the controller and AP images. Cisco recommends that all controllers should run the same version of code, which causes the APs associated with the controller to run the same version of code as the controller. Therefore, upgrading or downgrading a controller also performs upgrade or downgrade operations on all APs. This chapter describes the steps required to upgrade the controller, upgrade the APs, upgrade the Wireless Control System (WCS), and manage the configuration files.The first thing you should do is take the "Do I already know this?" If you get 80% or more correct, you can go directly to the "Test Preparation Task" If you get less than 80% correct, you should spend some time reviewing this chapter. Refer to Appendix A, "Do I already know? Answers to Test Questions" to check your answers.19.1 "Do I Know Already?" Test questionDo I already know? Test questions help you understand how well you know the topics covered in this chapter before you begin studying it. Table 19-1 describes the basic topics discussed in this chapter and their corresponding test questions.