OAC Expert Certification Questions

A bank has a requirement for detecting fraudulent transactions in customer accounts. This could be very rare across all customer accounts over a period of time. Which algorithm or approach will you use to accomplish this? - Support Vector Machine - Decision Tree - Anomaly detection - Logistic Regression - Anomaly detection What service do you need to create an OAC instance: - OAC - ADW - OCP - OAC What is required for Oracle Analytics to connect to an ADW? - Wallet & Credentials - Stopwatch - TNS Descriptor - Suitcase - Wallet & Credentials What 4 train model types are available in data flows? - Binary Classifier - Clustering - Segmentation Classifier - Multi-Classifier - Numeric Prediction - - Binary Classifier (Y/N) - Clustering (Categories) - Multi-Classifier (Groupings) - Numeric Prediction (Target) What is a typical relationship between levels in a dimension hierarchy going from top to bottom? Many to Many Relationship One to Many Relationship Zero Cardinality Multiple Relationship - One to Many Relationship In which two ways can you use Oracle Analytics Cloud to determine which values of a given data set may provide the greatest opportunity due to their stand out qualities? (Choose two.) Add an outlier visualization to your canvas. This will highlight data points that stand out and may justify further investigation. Modify the color palette to highlight unique values. Use a combination of Max / Min value reference lines. Create a box plot visualization of your data set. - Add an outlier visualization to your canvas. This will highlight data points that stand out and may justify further investigation. Use a combination of Max / Min value reference lines. Which statement are true with respect to the ability to adjust visualization properties when placing multiple visuals on a canvas? Change the visual's location on a canvas by selecting and dragging it to the desired location. Duplicate a visual that is on the canvas, changing the visual type in the duplicated visual. Resize the canvas by changing the Canvas Layout option from Auto Fit to Freeform. Hide a visual by right-clicking the canvas and selecting Hide from the drop-down menu. - Change the visual's location on a canvas by selecting and dragging it to the desired location. Duplicate a visual that is on the canvas, changing the visual type in the duplicated visual. Resize the canvas by changing the Canvas Layout option from Auto Fit to Freeform. You are trying to get a quick view of the number of orders placed without having to create a project. In the "What are you interested in" field of the home page, you enter the search string Number of Orders and BI Ask search returns a visual of order numbers. Select two options that describe what occurred. (Choose two.) The indexes that BI Ask uses to search are corrupt and cache needs to be cleared. BI Ask used fuzzy logic to determine that you really wanted a list of the order numbers and complied. There is no metric defined with the name Number of Orders. Resubmit the search using a wildcard. There is no metric defined with the name Number of Orders. Resubmit with another variation of the name (for example, # of Orders) and see if results are returned. - BI Ask used fuzzy logic to determine that you really wanted a list of the order numbers and complied. There is no metric defined with the name Number of Orders. Resubmit with another variation of the name (for example, # of Orders) and see if results are returned. Oracle Analytics Cloud offers several visualization options for presenting query results. How do you explicitly invoke "best visualization" in Oracle Analytics Cloud? (pick two) Select the desired data elements from the Data Elements pane and drag them onto the Best Visualization zone in the Explore pane. Drag the Data Elements onto the Data Visualization canvas and let the tool determine the best visualization. Select the "Best Visualization" option from the project's Canvas Settings drop-down menu. Select the desired data elements from the Data Elements pane, right-click and select "Create Best Visualization" from the drop-down menu - Select the desired data elements from the Data Elements pane, right-click and select "Create Best Visualization" from the drop-down menu Drag the Data Elements onto the Data Visualization canvas and let the tool determine the best visualization. How can Oracle Analytics Cloud be used to visualize group relationships between data points on a particular canvas Use a variety of colors for each data point. Create a cluster with a suitable number of groups for the specific analysis. Use a combination of a tree diagram and a trellis visualization. Visualize the data by using a network chart. - Create a cluster with a suitable number of groups for the specific analysis.