Scenario: An administrator has a server farm with five servers. The administrator wants to limit the number of Microsoft Excel published application sessions that can be run in the server farm.
Which two steps could the administrator take to meet this requirement? (Choose two)
A. Configure the Load Throttling rule.
B. Configure the Server User Load rule
C. Configure the Application User Load rule
D. Assign a load evaluator to the five servers.
E. Assign a load evaluator to the published application
Correct Answer: CE
Explanation/Reference:
In previous versions of XenApp you could apply a load evaluator to a server – no more! You can only apply a load evaluator to 1) published application 2) worker group (by creating a policy). Therefore option D is incorrect.
http://support.citrix.com/proddocs/topic/xenapp65-admin/lm-using-attach-loadval-all.html
Assigning Load Evaluators to Servers and Applications
Updated: 2011-08-04
To participate in load management, each server or published application must have a load evaluator assigned to it. Each server or published application can have only one load evaluator attached.
To assign a load evaluator to a XenApp server, configure the Load Evaluator Name policy setting and filter the policy by worker group. You can assign load evaluators that are available in any XenApp farm. The rules and their settings determine how the load of a particular server or published application is managed.
For example, if you have a published application that uses a significant percentage of a server’s memory and processing capabilities, you can add the Load Evaluator Name setting to a policy, specify the Advanced load evaluator, and filter the policy by the worker group that contains all the XenApp servers hosting the application. XenApp then distributes the available memory and processor demand across the load-managed servers.
When you assign a load evaluator through Citrix policies, XenApp does not validate the load evaluator name when the policy is applied to user sessions. Therefore, if the load evaluator is later renamed or deleted, the load cannot be calculated. Instead, XenApp logs an error to the Event Log and the affected servers report a load index of 10,000 (full load). Additionally, the Usage by Server tab in the middle pane of the AppCenter does not indicate the load evaluator is assigned. To ensure the policy references the correct load evaluator name, modify the Load Evaluator Name policy setting and select the correct load evaluator name from the list of available load evaluators.
If the policy containing the Load Evaluator Name setting is deleted, and no other policy applied to the server specifies an alternate load evaluator, XenApp uses the Default load evaluator instead.
To assign a load evaluator to a server
Create a new Computer policy or select an existing Computer policy you want to modify. Depending on the console you use to manage Citrix policies:
From the AppCenter, select the Policies node and then select the Computer tab.
From the Group Policy Management Editor, select Computer Configuration > Policies > Citrix Policies.
From the settings list, locate the Load evaluator name policy setting and click Add.
Select a load evaluator from the drop-down list and then click OK.
Add the Worker Group filter to the policy and specify the worker group containing the servers to which you want to assign the load evaluator.
To assign a load evaluator to a published application
From the AppCenter, select the Applications node in the left pane.
Select the published application to which you want to attach a load evaluator.
From the Actions pane, select Other Tasks > Attach application to load evaluator.
On the Assign Load Evaluator dialog box, select the load evaluator to attach.
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