Salesforce Salesforce Certifications CRT-450 Questions & Answers

• Question 421:

  A developer uses a Test Setup method to create an Account named 'Test'. The first test method deletes the Account record. What must be done in the second test method to use the Account?

  A. Use SELECT Id from Account where Name='Test'

  B. Restore the Account using an undeleted statement

  C. The Account cannot be used in the second test method

  D. Call the Test Setup method at the start of the test

  Correct Answer: A

• Question 422:

  Which two queries can a developer use in a Visualforce controller to protect against SOQL injection vulnerabilities? Choose 2 answers

  A. String qryName = % + String.enforceSecurityChecks(name)+ % ; String qryString = SELECT Id FROM Contact WHERE Name LIKE :qryNAme ; List queryResults = Database.query(qryString);

  B. String qryName = % + name % ; String qryString = SELECT Id FROM Contact WHERE Name LIKE :qryNAme ; List queryResults = Database.query(qryString);

  C. String qryName = % + String.escapeSingleQuotes(name)+ % ; String qryString = SELECT Id FROM Contact WHERE Name LIKE :qryNAme ; List queryResults = Database.query(qryString);

  D. String qryString = SELECT Id FROM Contact WHERE Name LIKE :qryNAme ; List queryResults = Database.query(qryString);

  Correct Answer: BC

• Question 423:

  Which type of code represents the Model in the MVC architecture on the Force.com platform?

  A. A Controller Extension method that uses SOQL to query for a list of Account records

  B. Custom JavaScript that processes a list of Account records.

  C. A list of Account records returned from a Controller Extension method

  D. A Controller Extension method that saves a list of Account records

  Correct Answer: C

• Question 424:

  Which two ways can a developer instantiate a PageReference in Apex? Choose 2 answers

  A. By using an object standard set controller action

  B. By using ApexPages.currentPage()

  C. By using the PageReference.getURL() method

  D. By using an object standard controller action

  Correct Answer: AC

• Question 425:

  Which two practices should be used for processing records in a trigger? Choose 2 answers

  A. Use @future methods to handle DML operations.

  B. Use a Map to reduce the number of SOQL calls

  C. Use (callout=true) to update an external system

  D. Use a Set to ensure unique values in a query filter

  Correct Answer: BD

• Question 426:

  What is a benefit of using a trigger framework?

  A. Simplifies addition of context-specific logic

  B. Increases trigger governor limits

  C. Allows functional code to be tested b

  D. Reduces trigger execution time

  Correct Answer: D

• Question 427:

  Which is a valid Apex assignment?

  A. Integer x = 5.0;

  B. Float x = 5.0;

  C. Integer x = 5*1.0;

  D. Double x = 5;

  Correct Answer: D

• Question 428:

  A developer is creating a Visualforce page that allows users to create multiple Opportunities. The developer is asked to verify the current user's default Opportunity record type, and set certain default values based on the record type before inserting the record. How can the developer find the current user's default record type?

  A. Use the Schema.userInfo.Opportunity.getDefaultRecordType() method.

  B. Create the opportunity and check the opportunity.recordType before inserting, which will have the record ID of the current user's default record type

  C. Query the Profile where the ID equals userInfo.getProfileID() and then use the profile.Opportunity.getDefaultRecordType() method.

  D. Use Opportunity.SObjectType.getDescribe().getRecordTypeInfos() to get a list of record types, and iterate trought them until isdefaultRecordTypeMapping() is true.

  Correct Answer: D

• Question 429:

  A developer needs to create an audit trail for records that are sent to the recycle bin. Which type of trigger is most appropriate to create?

  A. Before delete

  B. After undelete

  C. After delete

  D. Before undelete

  Correct Answer: B

• Question 430:

  A change set deployment from a sandbox to production fails due to a failure in a managed package unit test. The developer spoke with the manager package owner and they determined it is a false positive and can be ignored. What should the developer do to successfully deploy?

  A. Select 'Run local tests' to run all tests in the org that are not in the managed package.

  B. Select 'Fast Deploy' to run only the tests that are in the change set.

  C. Edit the managed package's unit test.

  D. Select 'Run local tests' to run only the tests that are in the change set.

  Correct Answer: A