CRT-450 Free Practice Test

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

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

What are three characteristics of static methods? (Choose three.)

1. A. Initialized only when a class is loaded
2. B. A static variable outside of the scope of an Apex transaction
3. C. Allowed only in outer classes
4. D. Allowed only in inner classes
5. E. Excluded from the view state for a Visualforce page

Correct Answer: ACE

A Visualforce page is required for displaying and editing Case records that includes both standard and custom functionality defined in an Apex class called myControllerExtension.
The Visualforce page should include which attribute(s) to correctly implement controller functionality?

1. A. controller=“Case” and extensions=“myControllerExtension”
2. B. extensions=“myControllerExtension”
3. C. controller=“myControllerExtension”
4. D. standardController=“Case” and extensions=“myControllerExtension”

Correct Answer: D

Which tool allows a developer to send requests to the Salesforce REST APIs and view the responses?

1. A. REST resource path URL
2. B. Workbench REST Explorer
3. C. Developer Console REST tab
4. D. Force.com IDE REST Explorer tab

Correct Answer: B