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An administrator wants to ensure that a datasource can be referenced when creating data modules in the IBM Cognos Analytics Portal (New > Data module).
What must be done to accomplish this?
Problem(Abstract): Datasource connections not listed in Data server by default
Symptom: We can see the datasource in the Admin console but not in the list of data servers.
Cause: This is default behavior.
Resolving the problem
Go to the Administrative Console -> Configuration -> Set properties -> Connections tab.
On the bottom, you will see 'Data source capabilities'
Inside that, check the box which says 'Allow web-based modeling'
Once you check this, the datasource would be present as data server.
References: http://www-01.ibm.com/support/docview.wss?uid=swg21978718
An administrator needs to add users from multiple authentication providers to a single role.
What needs to be done?
In the Cognos Analytics user interface, authentication providers are represented by namespaces.
Cognos Analytics supports the following types of authentication providers:
Authentication providers are configured in IBM Cognos Configuration, under the Security > Authentication category. After the provider namespace is added there, and the IBM Cognos service is restarted, the namespace name is displayed in Manage > Accounts, and users can log on to Cognos Analytics using that namespace.
An administrator wants to render a report and ensure the completed HTML is sent back to the gateway.
Which service is responsible for the rendering task?
The Presentation service
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.
In a multi-server environment, an administrator wants to ensure that items in the Content Manager Cache service are re-validated every thirty seconds.
Which option would accomplish this?
ValidatorTimetoLive determines how long data objects remain in the cache. After the Validator timer expires objects are considered Invalid and have to be fetched from Cm again. Value is in ms, and default is 900000.
References: https://www.slideshare.net/barnaby1502/cognos-technical-super-session-2012, page 11
