Salesforce PDII Online Practice Questions and Exam Preparation

Salesforce PDII Online Questions & Answers

• Question 161:

  The REST API___________.

  A. Is based on REST principles and is optimized for loading or deleting large sets of data. You can use it to query, queryAII, insert, update, upsert, or delete many records asynchronously by submitting batches
  B. Provides a powerful, convenient, and simple REST-based web services interface for interacting with Salesforce. Its advantages include ease of integration and development, and it's an excellent choice of technology for use with mobile applications and web projects
  C. Is used to create, retrieve, update or delete records, such as accounts, leads, and custom objects, and allows you to maintain passwords, perform searches, and much more
  D. Is used to retrieve, deploy, create, update, or delete customizations for your org. The most common use is to migrate changes from a sandbox or testing org to your production environment
  B. Provides a powerful, convenient, and simple REST-based web services interface for interacting with Salesforce. Its advantages include ease of integration and development, and it's an excellent choice of technology for use with mobile applications and web projects

• Question 162:

  A company has the Lightning Component above that allows users to click a button to save their changes and redirects them to a different page. Currently, when the user hits the Save button the records are getting saved, but they are not redirected.

  

  Which three techniques can a developer use to debug the JavaScript? (Choose three.)

  A. Enable Debug Mode for Lightning components for the user.
  B. Use console.log() messages in the JavaScript.
  C. Use Developer Console to view debug log.
  D. Use the browser's dev tools to debug the JavaScript.
  E. Use Developer Console to view checkpoints.
  C. Use Developer Console to view debug log.
  D. Use the browser's dev tools to debug the JavaScript.
  E. Use Developer Console to view checkpoints.

• Question 163:

  A developer encounters an error that states that the Apex heap size is exceeded. Which technique may reduce heap size?

  A. Add the transient keyword to the variable definition
  B. Move the variable definition inside the scope of the function
  C. Use static variables instead of instance variables
  D. Use SOQL for loops instead of standard SOQL queries
  D. Use SOQL for loops instead of standard SOQL queries

• Question 164:

  Which of the following object types can be used with a Web Service?

  A. Maps
  B. Sets
  C. Pattern objects
  D. Matcher objects
  E. Lists
  F. Exception objects
  E. Lists

• Question 165:

  Refer to the code snippet below:

  

  When a Lightning web component is rendered, a list of opportunities that match certain criteria should be retrieved from the database and displayed to the end-user.

  Which three considerations must the developer implement to make the fetchOpportunities method available within the Lightning web component? (Choose three.)

  A. The fetchOpps method must be annotated with the @InvocableMethod annotation.
  B. The fetchOpps method must specify the (continuation=true) attribute.
  C. The fetchOpps method cannot mutate the result set retrieved from the database.
  D. The fetchOpps method must specify the (cacheable=true) attribute.
  E. The fecthOpps method must be annotated with the @AuraEnabled annotation.
  C. The fetchOpps method cannot mutate the result set retrieved from the database.
  D. The fetchOpps method must specify the (cacheable=true) attribute.
  E. The fecthOpps method must be annotated with the @AuraEnabled annotation.

• Question 166:

  A developer created a Lightning web component that uses a lightning-record-edit-form t collect information about Leads. Users complain that they only see one error message at a time about their input when trying to save a Lead record.

  What is the recommended approach to perform validations on more than one field, and display multiple error messages simultaneously with minimal JavaScript intervention?

  A. Try/catch/finally block
  B. Apex trigger
  C. Validation rules
  D. External JavaScript library
  D. External JavaScript library

• Question 167:

  A Visualforce page contains an industry select list and displays a table of Accounts that have a matching value in their Industry field.

  

  When a user changes the value in the industry select list, the table of Accounts should be automatically updated to show the Accounts associated with the selected industry.

  What is the optimal way to implement this?

  A. Add an <apex: actionFunction> within the <apex : selectOptions>.
  B. Add an <apex: actionFunction> within the <apex: select List >.
  C. Add an <apex: actionSupport> within the <apex:selectList>.
  D. Add an <apex: actionSupport> within the <apex: selectOptions>.
  B. Add an <apex: actionFunction> within the <apex: select List >.

• Question 168:

  A developer receives the exception `SOQL query not selective enough' when performing a query on an object with a large amount of data.

  Which step should be taken to resolve the issue?

  A. Use an ID in the WHERE clause of the SOQL query.
  B. Perform the SOQL query as part of a FOR loop.
  C. Perform the SOQL query via a call to the REST API.
  D. Move the SOQL query to within an asynchronous process.
  A. Use an ID in the WHERE clause of the SOQL query.

  ---

  Explanation

  https://salesforce.stackexchange.com/questions/194897/system-queryexception-non-selective-query-against-large-object-type-more-than

• Question 169:

  Universal Containers wants to use an external Web Service provided by a third-party vendor to validate that shipping and billing addresses are correct. The current vendor uses basic password authentication, but Universal Containers might switch to a different vendor who uses OAuth.

  What would allow Universal Containers to switch vendors without updating the code to handle authentication?

  A. Custom Setting (List)
  B. Custom Metadata
  C. Named Credential
  D. Dynamic Endpoint
  C. Named Credential

• Question 170:

  Within the System.Limit class, what would you call to get the total limit you can call in a single transaction?

  A. get[typeOfLimit] --> (Ex. getDMLStatements())
  B. getLimit [typeOfLirr.it] --> (Ex. getLin~.it DY.LSt aterr.ents ())
  B. getLimit [typeOfLirr.it] --> (Ex. getLin~.it DY.LSt aterr.ents ())