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14-01-09 
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NAC Appliance Manager is the administration server. It allows you to centrally manage and monitor your deployment of NAC Appliance Servers and Agents. It is here that you configure your security policies that define the checks your hosts will have to pass to be considered clean or up to date.(the followings are very hot exams:350-001 ,642-642 ,70-290 ,70-620 ,70-270 ,70-291 ,70-293 ,70-297 ,1z0-042 ,vcp-310 ,sy0-101 ,920-803 ,n10-003 .Hope they are useful for you too.) The NAC Appliance allows you to build your own customized checks, but it also comes with many preconfigured checks. It is a big job to manually maintain and track all the new updates that come out for antivirus, antispyware, Microsoft Windows, and so on. That is why the NAC Appliance Manager is also responsible for receiving regular version and policy updates from Cisco. These policy updates contain information on the latest operating system patches, antivirus versions, and antispyware versions. The prepackaged software checks and security policies are automatically updated with this new version information. Using the policy update feature makes it easier to ensure your hosts are always checked for the latest versions before they are allowed network access.
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NAC Appliance Manager is configured using a web console after a minimal bootstrapping process. NAC Appliance Manager is capable of scaling to administer up to 40 NAC Appliance Server pairs. NAC Appliance Manager's web console allows you to configure both global security policies and per-server local policies. Global security policies save time and are much easier to manage. For example, 156-215 ,156-315 ,156-510 ,150-030 ,640-801 ,640-811 ,640-821 ,642-564 ,646-561 ,sy0-101 ,270-231 ,e20-616 ,e20-651 ,ee0-511 ,1z0-043 ,1z0-033 ,you could create a global policy that says all hosts connecting to the network through any NAC Appliance Server must have an up-to-date antivirus program installed. NAC Appliance Manager then pushes this policy out to all the NAC Appliance Servers for local checking and enforcement. If you have some specific local security policies that pertain to only a single NAC Appliance Server, you can use NAC Appliance Manager's web console to configure those as well.
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