IBM C1000-065 IBM Cognos Analytics Developer V11.1.x Exam Practice Test

Local Filters: These allow developers to filter data at the visualization level, providing flexibility in data presentation without altering the underlying data source.

Keep/Exclude Data Points: This feature enables developers to interactively refine the data displayed in a visualization by keeping or excluding specific data points directly within the dashboard.

Cognos Documentation: The IBM Cognos Analytics V11.1.x documentation provides detailed instructions on creating local filters and using interactive filtering options to enhance the user experience in dashboards.

In IBM Cognos Analytics V11.1.x, before you can modify the text item in a list column title or the data in the column body of a list object, you need to unlock the report. Here are the steps:

Open the Report: Open the report in Cognos Analytics Report Studio.

Lock Page Objects: By default, page objects are locked to prevent accidental changes.

Unlock Page Objects: Click on the "Lock Page Objects" icon in the toolbar to unlock the report. This allows you to make changes to individual cells within the report.

Select and Edit: Once unlocked, select the desired cell within the list object. You can then change the text item or modify the data format as required.

Unlocking the report ensures that you can safely make modifications without impacting other report elements.

Creating navigation paths in IBM Cognos Analytics V11.1.x involves several key considerations:

Multiple Navigation Paths:

Support for Multiple Paths: A data module can indeed have multiple navigation paths. This allows for flexible and varied navigation experiences within the same data module, supporting different analytical perspectives and use cases.

Implementation: To create multiple navigation paths, access the data module, select the data items, and define navigation paths in the properties.

Collection of Non-Measure Columns:

Definition: A navigation path is a collection of non-measure columns, typically dimensions. These columns represent the different levels of granularity through which users can navigate.

Use Case: For example, a navigation path might include columns like Year, Quarter, Month, and Day, enabling users to drill down from a higher-level summary to detailed data.

These capabilities facilitate enhanced data exploration and user-friendly navigation within Cognos Analytics.

To modify a prompt in a relational sourced report to support multi-select functionality, make the following changes:

Change Prompt Property Usage to Select-many:

Edit the Prompt: Select the prompt object in the report.

Property Panel: In the properties panel, change the "Usage" property from "Select-one" to "Select-many". This allows users to select multiple values in the prompt.

Update Filter Expression:

Edit Query: Open the query associated with the prompt.

Change Filter Expression: Modify the filter expression from using "=" to "in". This change ensures that the filter can handle multiple values selected by the user.

These modifications enable the prompt to accept multiple selections and apply the filter accordingly in the report.

Data Preparation: IBM Cognos Analytics provides built-in capabilities to clean and transform data within data modules.

Prepare Menu: The 'Prepare' menu item allows developers to apply various transformations, including trimming spaces and converting text to lowercase, directly to data items.

Cleaning Data: By using the 'Prepare' menu, developers can make data more readable and suitable for reporting without needing additional calculations in the report itself.

Reference: The IBM Cognos Analytics V11.1.x documentation details the use of the 'Prepare' menu for data preparation tasks, ensuring data is cleaned and formatted appropriately within data modules.

PDF Output Security: To secure a report output type of PDF, IBM Cognos Analytics provides options to enhance security.

Password Protection: One effective method is to set a password in the schedule PDF options. This ensures that only authorized users who know the password can open the PDF document.

Implementation: When scheduling the report, navigate to the PDF options and specify a password. This adds a layer of security to the report output.

Reference: IBM Cognos Analytics V11.1.x documentation discusses various security features available for report outputs, including setting passwords for PDF documents to protect sensitive information.

In IBM Cognos Analytics V11.1.x, dimensional functions should be used in a report's Query calculation when working with a dimensional or dimensionally-modeled data source. Here’s why:

Dimensional Data Sources:

Structure: Dimensional data sources are organized into dimensions, hierarchies, and measures. These structures support advanced analytical capabilities such as drill-down and roll-up.

Dimensional Functions: Functions such asmember,ancestor,children, etc., are specifically designed to navigate and manipulate the hierarchical data structures in dimensional sources.

Query Calculations:

Contextual Calculations: Dimensional functions allow for context-aware calculations, leveraging the inherent structure of the data source. This ensures that calculations respect the dimensional context and hierarchy.

Analytical Depth: Using dimensional functions enables deeper analytical capabilities, such as performing relative date calculations, time series analysis, and hierarchical aggregations.

Dimensional functions are essential for harnessing the full analytical power of dimensionally-modeled data sources.

To display HTML report output directly in the body of an emailed report in IBM Cognos Analytics V11.1.x, follow these steps:

Open the Report: Open the report and navigate to the scheduling or bursting options.

Email Delivery Options: In the delivery options pane, configure the email settings.

Display Report in Email Body: Select the option "In the email body, choose 'Display a report'". This allows you to embed the HTML report directly within the email.

Follow Instructions: Follow the dialog box instructions to complete the setup. This ensures the report content is displayed in the email body rather than as an attachment.

Embedding the report in the email body allows recipients to view the report content directly within their email client.

In IBM Cognos Analytics V11.1.x, when formatting text in a dashboard crosstab or table, the following statement is true:

Table Summary Row Formatting:

Customization: You can format the table summary row with a different color. This allows for visual differentiation between the summary row and other rows in the table or crosstab.

Implementation: Select the summary row, access the formatting options, and apply the desired color.

Additional Formatting Capabilities:

Column Titles: Although column titles can be formatted individually in terms of font, color, and size, this is a general capability and not specific to summary rows.

Text Wrapping: By default, the object does not wrap text, but this option can be enabled if needed.

Applying specific formatting to the summary row enhances the readability and visual appeal of the data presentation.

Query Cache: The query cache in IBM Cognos Analytics helps to store the results of frequently executed queries to improve performance.

Avoiding Roundtrips: When the same master-detail request is executed repeatedly, the query cache can serve the results from the cache instead of making another roundtrip to the database.

Performance Improvement: This reduces the load on the database and speeds up the report generation process by utilizing the cached data.

Reference: IBM Cognos Analytics V11.1.x documentation details the functionality of the query cache, including its ability to handle repetitive master-detail requests efficiently by avoiding unnecessary database roundtrips.

Layout Component Reference: This feature in IBM Cognos Analytics allows developers to reference existing report objects within the same report or across different reports.

Reuse for Consistency: By referencing existing components, developers ensure consistency in design and functionality across multiple reports.

Efficiency: This method reduces the effort needed to recreate similar report objects and facilitates easier maintenance and updates.

Reference: According to IBM Cognos Analytics V11.1.x documentation, Layout Component References are intended to streamline report development by allowing the reuse of report objects, thereby enhancing consistency and efficiency.

Conditional Block: This feature allows for dynamic content within reports based on user interactions and selections.

Prompt Selections: By using a conditional block, report developers can control the visibility of report objects based on the prompt values selected by the user at runtime.

Use Case: This is useful for creating reports that adapt to user inputs, providing a more tailored and relevant data presentation.

Reference: IBM Cognos Analytics V11.1.x documentation details how to implement conditional blocks to show or hide report objects dynamically based on user inputs.

Render Variable: This is used to conditionally show or hide objects within a report based on the value of a variable.

Application: By setting a render variable, you can control the display of the list object based on certain conditions. If the condition evaluates to true, the object will be shown; if false, it will be hidden.

Cognos Documentation: The IBM Cognos Analytics V11.1.x documentation highlights the use of render variables to manage report object visibility without affecting the data processing logic.

Dynamic Query Analyzer: This tool is used to analyze and troubleshoot queries in IBM Cognos Analytics.

Graphical Representations: The Dynamic Query Analyzer provides graphical representations of the query logs produced by Dynamic Query Mode (DQM) queries. This visualization helps in understanding the query execution and performance.

Troubleshooting Assistance: By analyzing these graphical logs, developers can identify bottlenecks, optimize query performance, and resolve issues more efficiently.

Jupyter Notebook: This is a widely used open-source web application in the data science community.

Functionality: It enables users to create and share documents that include live code (in various programming languages like Python), equations, visualizations, and narrative text.

Integration with Cognos: In Cognos Analytics, Jupyter Notebooks can be integrated to perform advanced data analysis, leverage machine learning libraries, and present findings interactively.

Reference: The IBM Cognos Analytics V11.1.x documentation describes Jupyter Notebooks as a tool for creating interactive and shareable documents, highlighting their use in combining code execution, data analysis, and explanatory text.

To set up a Multilingual Dashboard, follow these steps in the correct order:

Place dashboard in edit mode

Add Language

Enter Translated Strings

Set Default Language

Here is the step-by-step process for setting up a Multilingual Dashboard in Cognos Analytics:

Place Dashboard in Edit Mode:

Enter the dashboard in edit mode to make changes and add multilingual support.

Insights Feature: When Insights are turned on in IBM Cognos Analytics V11.1.x, the system generates various statistical and analytical outcomes depending on the selected visualization.

Generated Outcomes: These include:

Average: Calculates the mean value of the data set.

Predictive Strength: Indicates the strength of the predictive relationship between variables.

Fit Line: A trend line that best fits the data points in the visualization.

Meaningful Difference: Highlights statistically significant differences within the data.

Most Frequent Values: Identifies the most common values in the data set.

Cognos Documentation: The IBM Cognos Analytics V11.1.x documentation details the Insights feature, explaining how these various outcomes are derived and how they can be used to enhance data analysis and decision-making.

To create a Layout Component Reference in a report in IBM Cognos Analytics V11.1.x, you need to provide the "Name" property. Here are the steps:

Define Component: Identify the component you want to reference in your report layout.

Set Name Property: Assign a unique name to the component in its properties. This name will be used to reference the component.

Create Layout Component Reference: In the report where you want to use the component, add a Layout Component Reference and specify the name of the original component.

Reference the Component: The referenced component will be displayed in the new location, allowing you to reuse layout elements across multiple reports.

Using the "Name" property ensures that components can be easily referenced and maintained.