Optimize and Troubleshoot Apps PL-400 Practice Questions (Page 1)

Questions 1–5

1. 1application · medium

   A model-driven app has a view for the Contact entity that is used by a sales team. The view currently displays 30 columns and all contacts. Users report that the view is slow. You need to improve the view's performance while ensuring that the sales team can still see all contacts. What should you do?

   • AUse the Monitor tool to identify the slowest query, then increase the view's page size.
   • BAdd a filter to show only contacts from the current region.
   • CChange the view to a chart to display the data.
   • DRemove columns that are not commonly used from the view.
   Reveal Solution Discussion Select an answer first
2. 2foundation · easy

   Which view setting is most important for ensuring that a model-driven app view retrieves only the records that users need?

   • AView name
   • BSort order
   • CFilter criteria
   • DColumn width
   Reveal Solution Discussion Select an answer first
4. 3foundation · easy

   Which practice is recommended to improve the performance of a model-driven app form that contains many fields?

   • AUse a single-column layout to minimize scrolling
   • BDisable all business rules on the form
   • CUse tabs and sections to organize fields so only relevant fields are visible
   • DPlace all fields on a single tab for easier access
   Reveal Solution Discussion Select an answer first
5. 4expert · medium

   A model-driven app has a main form for the Account table that loads slowly. The form contains several subgrids, a timeline control, and a custom script that runs on form load. Users need the subgrids and timeline available, but they do not need the custom script to run immediately. You need to reduce the initial load time. What should you do?

   • AMove the subgrids and timeline to a collapsed tab, and change the custom script to run on the OnChange event of a field instead of OnLoad.
   • BIncrease the number of records shown in the subgrids to 50.
   • CKeep the subgrids and timeline as is, but disable the custom script entirely.
   • DRemove the subgrids and timeline from the form and add them to a different form.
   Reveal Solution Discussion Select an answer first
6. 5application · medium

   A canvas app is performing slowly for all users. You open the Monitor tool and see that a specific data source call takes 5 seconds. You also notice that the call is repeated multiple times. You need to reduce the number of calls. What should you do?

   • AUse the browser's developer tools to disable caching.
   • BChange the data source to a different connector.
   • CLook for formulas that call the data source multiple times, such as using the same Filter() in multiple controls, and store the result in a variable or collection.
   • DIncrease the data row limit in the app settings.
   Reveal Solution Discussion Select an answer first