Salesforce CRT-450 Online Practice Questions and Exam Preparation

Salesforce CRT-450 Online Questions & Answers

• Question 1:

  How can a developer use a Set to limit the number of records returned by a SOQL query?

  A. Reference the Set in the LIMIT clause of the query
  B. Pass the query results as an argument in a reference to the Set.containsAll() method.
  C. Pass the Set as an argument in a reference to the Database.query() method
  D. Reference the Set in the WHERE clause of the query
  D. Reference the Set in the WHERE clause of the query

• Question 2:

  Which three data types can be returned from an SOQL statement?

  A. Boolean
  B. List of objects
  C. String
  D. Integer
  E. Single object
  B. List of objects
  D. Integer
  E. Single object

• Question 3:

  When the value of a field of an account record is updated, which method will update the value of a custom field opportunity? Choose 2 answers.

  A. A process builder on the Account object
  B. An Apex trigger on the Account object.
  C. A cross-object formula field on the Account object
  D. A workflow rule on the Account object
  A. A process builder on the Account object
  B. An Apex trigger on the Account object.

• Question 4:

  A developer created a visualforce page using a custom controller that calls an apex helper class. A method in the helper class hits a governor limit. what is the result of the transaction?

  A. The helper class creates a savepoint and continues
  B. All changes in the transaction are rolled back
  C. All changes made by the custom controller are saved
  D. The custom controller calls the helper class method ag
  C. All changes made by the custom controller are saved

• Question 5:

  A developer has a Visualforce page and custom controller to save Account records. The developer wants to display any validation rule violation to the user. How can the developer make sure that validation rule violations are displayed?

  A. Add cuatom controller attributes to display the message.
  B. Include on the Visualforce page.
  C. Use a try/catch with a custom exception class.
  D. Perform the DML using the Database.upsert() method.
  B. Include on the Visualforce page.

• Question 6:

  A team of developers is working on a source-driven project that allows them to work independently, with many different org configurations. Which type of Salesforce orgs should they use for their development?

  A. Developer sandboxes
  B. Scratch orgs
  C. Full Copy sandboxes
  D. Developer orgs
  B. Scratch orgs

• Question 7:

  Which two number expression evaluate correctly? Choose 2 answers

  A. Integer I = 3.14159;
  B. Decimal D = 3.14159;
  C. Long I = 3.14159;
  D. Double D =3.14159;
  B. Decimal D = 3.14159;
  D. Double D =3.14159;

• Question 8:

  A developer needs to create a Visualforce page that displays Case dat. The page will be used by both support reps and support managers. The Support Rep profile does not allow visibility of the Customer_Satisfaction__c field, but the

  Support Manager profile does.

  How can the developer create the page to enforce Field Level Security and keep future maintenance to a minimum?

  A. Create one Visualforce Page for use by both profiles.
  B. Use a new Support Manager permission set.
  C. Create a separate Visualforce Page for each profile.
  D. Use a custom controller that has the with sharing keywords.
  D. Use a custom controller that has the with sharing keywords.

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  Explanation/Reference:

• Question 9:

  Given the code below, which three statements can be used to create the controller variable? (Choose three.)

  

  A. Apexpages.standardsetcontroller controller=new apexpages.standardsetcontroller(database.getquerylocator('select id from account'));
  B. Apexpages.standardcontroller controller= new apexpages.standardcontroller([select id from account]);
  C. Apexpages.standardcontroller controller= new apexpages.standardcontroller(database.getquerylocator('select id from account'));
  D. Apexpages.standardsetcontroller controller = new apexpages.standardsetcontroller (database.query('select id from account'));
  E. Apexpages.standardsetcontroller controller = new apexpages.standardsetcontroller (database.getquerylocator([select id from account]));
  B. Apexpages.standardcontroller controller= new apexpages.standardcontroller([select id from account]);
  D. Apexpages.standardsetcontroller controller = new apexpages.standardsetcontroller (database.query('select id from account'));
  E. Apexpages.standardsetcontroller controller = new apexpages.standardsetcontroller (database.getquerylocator([select id from account]));

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  Explanation/Reference:

• Question 10:

  Which code in a Visualforce page and/or controller might present a security vulnerability?

  B