Free IBM C2090-623 Exam Actual Questions

The questions for C2090-623 were last updated On Dec 15, 2025

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Question No. 1

An administrator wants to describe the internal architecture and request flow for a Query service of an executed DQM report.

How is this done?

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Correct Answer: B

The SQL engine obtains data directly from the RDBMS Adapter. The Query Execution Engine updates the secure Data Cache with dimensional data for future reuse.

Note: A report specification is an executable definition of a report, including query and layout rules, which can be combined with data to produce a report output.

References: https://www.ibm.com/developerworks/data/library/cognos/infrastructure/cognos_specific/page529.html


Question No. 2

A report author gets the following error message:

''An error has occurred. Please contact your administrator. The complete error has been logged by CAF with SecureErrorID:2004-05-25-15:44:11.296-#9.''

How can the administrator get the complete error message?

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Correct Answer: B

To find out about the actual error though an administrator with file access to the server log (cogserver.log) will need to search that log for the SecureErrorID given in the on-screen message.

References: http://www-01.ibm.com/support/docview.wss?uid=swg21344157


Question No. 3

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?

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Correct Answer: B

To avoid using outdated data that might be stored in the cache, you can clear the cache.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


Question No. 4

An administrator is configuring settings for the Cognos Analytics Mobile app.

Which settings can be managed?

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Correct Answer: B

Policy settings

These settings define how to deliver Cognos Analytics content to mobile applications.

References: https://www.ibm.com/support/knowledgecenter/en/SSEP7J_11.0.0/com.ibm.swg.ba.cognos.ug_cra.doc/c_mob_global_config_settings.html


Question No. 5

An administrator is checking the current activities and recognizes one activity with several successful tasks with two still running. The administrator cancels this activity.

Where will this activity be shown?

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Correct Answer: A

Note: Users can access Current Activities, Past Activities, Upcoming Activities and Schedules on the Status tab in IBM Cognos Administration to monitor the server activities and manage schedules.

References: https://www.ibm.com/support/knowledgecenter/en/SSEP7J_11.0.0/com.ibm.swg.ba.cognos.ug_cra.doc/c_reportnetsecuredfunctionsandfeatures.html