PDI Free Practice Test

- (Exam Topic 2)
A developer creates a method in an Apex class and needs to ensure that errors are handled properly.What would the developer use? (There are three correct answers.)

1. A. ApexPages.addErrorMessage()
2. B. A custom exception
3. C. .addError()
4. D. Database.handleException()
5. E. A try/catch construct

Correct Answer: BCE

- (Exam Topic 2)
Which action can a developer take to reduce the execution time of the following code? List allaccounts = [select id from account]; list allcontacts = [select id, accountid from contact]; for (account a :allaccounts){ for (contact c:allcontacts){ if(c.accountid = a.id){ //do work } } }

1. A. Use a map <id,contact> for allaccounts
2. B. Add a group by clause to the contact SOQL
3. C. Put the account loop inside the contact loop
4. D. Create an apex helper class for the SOQL

Correct Answer: A

- (Exam Topic 2)
What are the supported content sources for custom buttons and links? (Choose 2 Answers)

1. A. VisualForce Page.
2. B. Static Resource.
3. C. URL.
4. D. Chatter File.
5. E. Lightning Page.

Correct Answer: AC

- (Exam Topic 2)
A developer needs to import customer subscription records into salesforce and attach them to existing account records. Which 2 actions should the developer take to ensure the subscription records are related to the correct account records? Choose 2 answers

1. A. Match an external ID text field to a column in the imported file
2. B. Match an auto-number field to a column in the imported file
3. C. Match the name field to a column in the imported file
4. D. Match the id field to a column in the imported file

Correct Answer: AD

- (Exam Topic 2)
What is a valid Apex statement?

1. A. Map conMap = (SELECT Name FROM Contact);
2. B. Account[] acctList = new List{new Account()}
3. C. Integer w, x, y = 123, z = \'abc\',
4. D. Private static constant Double rate = 775;

Correct Answer: B