Salesforce Salesforce Certifications PDI Questions & Answers

• Question 231:

  Assuming that `name; is a String obtained by an tag on a Visualforce page. Which two SOQL queries performed are safe from SOQL injections? Choose 2 answers

  A. String query = 'SELECT Id FROM Account WHERE Name LIKE \''%' + name.noQuotes() + '%\''; List results = Database.query(query);

  B. String query = 'SELECT Id FROM Account WHERE Name LIKE \''%' + String.escapeSingleQuotes(name) + '%\'';List results = Database.query(query);

  C. String query = 'SELECT Id FROM Account WHERE Name LIKE \''%' + name + '%\''; List results = Database.query(query);

  D. String query = '%' + name + '%';List results = [SELECT Id FROM Account WHERE Name LIKE :query];

  Correct Answer: BD

• Question 232:

  What is the minimum log level needed to see user-generated debug statements?

  A. DEBUG

  B. FINE

  C. INFO

  D. WARN

  Correct Answer: A

• Question 233:

  A developer has the following code:try {List nameList;Account a;String s = a.Name;nameList.add(s);} catch (ListException le ) {System.debug(' List Exception ');} catch (NullPointerException npe) {System.debug('NullPointer Exception ');} catch (Exception e) {System.debug(' Generic Exception ');}

  What message will be logged?

  A. List Exception

  B. NullPointer Exception

  C. Generic Exception

  D. No message is logged

  Correct Answer: B

• Question 234:

  What is a good practice for a developer to follow when writing a trigger? (Choose 2)

  A. Using @future methods to perform DML operations.

  B. Using the Map data structure to hold query results by ID.

  C. Using the Set data structure to ensure distinct records.

  D. Using synchronous callouts to call external systems.

  Correct Answer: BC

• Question 235:

  Which statement should a developer avoid using inside procedural loops? (Choose 2)

  A. System.debug('Amount of CPU time (in ms) used so far: ' + Limits.getCpuTime() );

  B. List contacts = [SELECT Id, Salutation, FirstName, LastName, Email FROM Contact WHERE AccountId = :a.Id];

  C. If(o.accountId == a.id)

  D. Update contactList;

  Correct Answer: BD

• Question 236:

  What is a capability of a StandardSetController?Choose 2 answers

  A. It allows pages to perform mass updates of records

  B. It allows pages to perform pagination with large record sets

  C. It enforces field-level security when reading large record sets

  D. It extends the functionality of a standard or custom controller

  Correct Answer: AB

• Question 237:

  A developer wants to list all of the Tasks for each Account on the Account detail page. When a task is created for a Contact, what does the developer need to do to display the Task on the related Account record?

  A. Nothing. The task is automatically displayed on the Account page.

  B. Nothing. The Task cannot be related to an Account and a Contact.

  C. Create a Workflow rule to relate the Task to the Contact's Account.

  D. Create an Account formula field that displays the Task information.

  Correct Answer: A

• Question 238:

  A company wants a recruiting app that models candidates and interviews; displays the total number of interviews on each candidate record; and defines security on interview records that is independent from the security on candidate records.

  What would a developer do to accomplish this task? Choose 2 answers

  A. Create a roll -up summary field on the Candidate object that counts Interview records.

  B. Create a master -detail relationship between the Candidate and Interview objects.

  C. Create a lookup relationship between the Candidate and Interview objects.

  D. Create a trigger on the Interview object that updates a field on the Candidate object.

  Correct Answer: CD

• Question 239:

  A developer creates a custom controller and custom Visualforce page by using the following code block:public class myController {public String myString;public String getMyString() {return 'getmyString';}public String getStringMethod1() {return myString;}public String getStringMethod2() {if (myString == null)myString = 'Method2';return myString;}}{!myString}, {!StringMethod1}, {!StringMethod2}, {!myString}

  What does the user see when accessing the custom page?

  A. GetMyString , , Method2 , getMystring

  B. , , Method2 , getMyString

  C. , , Method2,

  D. GetMyString , , ,

  Correct Answer: A

• Question 240:

  A developer has a block of code that omits any statements that indicate whether the code block should execute with or without sharing. What will automatically obey the organization-wide defaults and sharing settings for the user who executes the code in the Salesforce organization?

  A. Apex Triggers

  B. HTTP Callouts

  C. Apex Controllers

  D. Anonymous Blocks

  Correct Answer: D