An administrator wants to use one of the sample audit reports to view the percentage of successful and failed requests for the current day. What must…

The IBM Cognos sample audit reports are pre-configured to retrieve data from a specific data source, which is typically named 'audit'. This data source must point to the logging database where Cognos stores its audit information. Before any of these sample reports can be executed successfully to retrieve data, an administrator must first create this data source connection within the IBM Cognos Administration console, linking it to the correct audit database. Without this connection, the report will fail because it cannot locate its underlying data.

A. Set the logging level for the sample report to Minimal.

Logging levels are configured for Cognos services (e.g., Report Service), not for individual reports. Also, a "Minimal" level may not capture sufficient detail for the report to be useful.

C. Modify the report so that it can be displayed correctly in HTML and PDF formats.

The sample reports are designed to render correctly in standard formats out-of-the-box. Modification is not a prerequisite for a successful initial run.

D. Import the Audit.cpf into the Content Store using the IBM Cognos Administration console.

While importing the reports is a necessary step to make them available, they cannot be run successfully (i.e., retrieve data) until the data source connection they depend on is created.

1. IBM Cognos Analytics 11.1.x Documentation, "Setting up logging": The official documentation outlines the required steps to configure auditing. It explicitly states the need to create a data source connection to the logging database. The typical procedure is: 1. Create the audit database. 2. Create a data source connection to the audit database. 3. Configure logging levels. 4. Import the sample audit reports. This confirms that the data source connection is a fundamental prerequisite. (See: IBM Cognos Analytics Managing Guide, Chapter 11: Logging, Section: "Setting up logging").

2. IBM Cognos Analytics 11.0.x Documentation, "Sample audit reports": This section details the sample audit reports and their purpose. It implicitly assumes that the audit logging and the corresponding 'audit' data source have already been configured as a prerequisite for using the samples. (See: IBM Cognos Analytics Administration and Security Guide, Chapter 15: Auditing, Section: "Sample audit reports").