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An environment has two dispatchers with report servers installed on two machines with following configuration:
Dispatcher 1 on Computer A
Dispatcher 2 on Computer B
What should the setting of processing capacity for Dispatcher 2 be set to, if the capacity for Dispatcher 1 is set to 1?
If your installation includes more than one dispatcher, you can specify the proportion of requests that each dispatcher handles by changing their processing capacity.
This is commonly referred to as load balancing. You typically set the capacity for a dispatcher based on the CPU speed of the computer where it is installed.
For example, a first dispatcher is installed on a 2 GHz computer and a second dispatcher on a 1 GHz computer. You set the processing capacity of the first dispatcher to 2.0 and the second to 1.0. The first dispatcher handles two-thirds of the requests while the second handles one-third of the requests. If you set the capacity of both dispatchers to 1.0, requests are sent to each dispatcher alternately.
The default processing capacity for each dispatcher is 1.0.
An environment is configured to use Compatible Query Mode (CQM).
Which statement is true about request flow?
OLAP style queries, like those against SAP BW, Oracle Essbase and IBM Cubing Services type data sources, will go to the OLAP query planner.
References: The IBM Cognos 10 Dynamic Query Cookbook (2010), page 7
An administrator is tuning the Caching services to improve Dynamic cube report performance. At the same time, there is a need to control the memory usage and Clear Cache.
How is this done?
To avoid using outdated data that might be stored in the cache, you can clear the cache. You might want to clear the cache manually if your data source metadata changes infrequently or if you want to clear the cache in between automatically scheduled cache clearing. When you clear the cache using the following steps, it clears everything in the cache.
Steps
1. Start IBM Cognos Connection.
2. In the upper-right corner, click Launch, IBM Cognos Administration.
3. On the Configuration tab, click Query Service Caching.
4. Select the server groups for cache clearing.
5. Click Clear cache.The status of the Clear cache command is displayed.If a cache is being used by one or more pending reports or queries, it is internally flagged as ''stale'' by this command and is automatically cleared as soon as this usage completes.
6. Click Close.
References: IBM Cognos Administration Version 10.1.0, Administration and Security Guide, page 253
An administrator wants to implement load balancing without using an external load balancing mechanism.
What is one approach that can be used to achieve this?
If your installation includes more than one dispatcher, you can specify the proportion of requests that each dispatcher handles by changing their processing capacity. This is commonly referred to as load balancing. You typically set the capacity for a dispatcher based on the CPU speed of the computer where it is installed.
An administrator is implementing security by modifying access to the secured functions and secured features.
Which statement is true?
You set access to the secured functions and features by granting execute permissions for them to specified namespaces, users, groups, or roles.
