Prepare IBM C2090-623 Exam

IBM Cognos Analytics is installed on a non-Windows platform. An administrator receives the following error after setting up a datasource connection:

''XQE-DS-0014 Unable to logon to the data source. An unexpected error from the JDBC driver ''com.microsoft.sqlserver.jdbc.SQLServerDriver'':

''java.lang.UnsupportedOperationException: Java Runtime Environment (JRE) version 1.8 is not supported by this driver. Use the sqljdbc4.jar class library, which provides support for JDBC 4.0.''

What should the administrator do to rectify this problem?

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?

The folder ''AP'' has reports that can retain output for 12 months. The administrator needs to remove report output that is at least 30 days old from the Content Store, and archive it to an external repository while keeping up to 12 months of run history.

How can this be accomplished without losing any output or run history?

An administrator wants to start the LifeCycle Manager service.

How can this be done?

An administrator is reviewing the memory allocations listed below in the current environment.

Which action should the administrator take?