Questions

Question 1

What 3 steps should be used to allow a custom SVG to be included in a Lightning Web Component?

Answer 1

Upload as a static resource

Import the static resource in your component’s JavaScript file

Reference the getter in your HTML template

Question 2

A developer needs to include a Visualforce page in the detail section of a page layout for the Account object, but does not see the page as an available option in the Page Layout Editor.
What attribute must be included in <apex:page>?</apex:page>

Answer 2

standardController=”Account”

Question 3

What should a developer do to determine which object type to cast from a list of sObjects?

Answer 3

Use getSObjectType to retrieve the sObject token

Question 4

What two Apex data types can be used to reference a Salesforce record Id dynamically?

Answer 4

sObject
String

Question 5

How can a developer identify the time taken by each process in a transaction in the Developer console?

Answer 5

Timeline tab under Execution Overview

Question 6

What are the storage capacities of each sandbox type?

Answer 6

Developer - 200MB
Developer Pro - 1GB
Partial Copy - 5GB
Full Copy - same as Prod

Question 7

What approach should a developer take to add a Maintenance Plan when an Opportunity is closed?

Answer 7

Build an Opportunity trigger that adds an OpportunityLineItem record

Question 8

What is the requirement for a class to be used as a custom Visualforce controller?

Answer 8

Any top-level Apex class that has a default, no argument constructor

Question 9

How should a developer prevent a recursive trigger?

Answer 9

Use a static Boolean variable

Question 10

A developer needs to join to external records with parent records in Salesforce. The dataset does not have the Salesforce Ids of the parent records, but can identify the parent by a foreign key attribute. How can the records be related without knowing the Salesforce Id?

Answer 10

Create and populate a custom field on the parent of the type External Id

Question 11

Which 3 options allow custom styling in a Visualforce page?

Answer 11

<apex:stylesheet>
Inline CSS
Static Resource
</apex:stylesheet>

Question 12

Which 3 tools can deploy metadata to production?

Answer 12

Force.com IDE
Change Set from Sandbox
Metadata API

Question 13

What does the Number field map to in Apex as a variable type?

Answer 13

Number maps to Decimal (not Integer, as Salesforce Number can define the decimal points as 0 or more)

Question 14

A developer wants to override a button using Visualforce on an object. What is the requirement?

Answer 14

The standardController attribute must be set to the object (when overriding buttons you must use the standardController for the object on which the button appears)

Question 15

What is true of static methods?

Answer 15

Initialized only when a class is loaded
Allowed only in outer classes
Excluded from the view state of a Visualforce page

Question 16

What are valid controller options for a custom Visualforce page that will be used as a Dashboard component?

Answer 16

Custom controller
Custom controller with extensions
No controller
Reference page bound to the StandardSetController Class

Question 17

What is true for @isTest annotation?

Answer 17

A method annotated @isTest(seeAllData=true) in a class @isTest(seeAllData=false) will see all org data
A method annotated @isTest(seeAllData=false) in a class @isTest(seeAllData=true) will see all or data
Profile are visible in a test class even if a class is annotated @isTest(seeAllData=false)

Question 18

What are valid IN clauses for SOSL?

Answer 18

{Blank} or ALL FIELDS
EMAIL
NAME
PHONE

Question 19

Where can a developer see overall code coverage?

Answer 19

Apex Classes setup page (Esimate code coverage)
Tests Tab in Developer Console

Question 20

What two practices should be used for processing records in a trigger?

Answer 20

Use a Map to reduce the number of SOQL calls
Use a Set to ensure unique values in a query filter

Question 21

What tag should a developer include when styling from external CSS in a Visualforce page?

Answer 21

apex:stylesheet

Question 22

A developer can use the debug log to see what kinds of information?

Answer 22

Database changes
HTTP Callouts
Resources used by Apex
Automated Workflow Processes (not time-based)

Question 23

How many levels of related records can be retrieved in a SOQL query?

Answer 23

1 level for Parent to Child
5 levels for Child to Parents, Grandparents

Question 24

How can a developer get all the available Record Types for the current user on the Case object?

Answer 24

Use DescribeSObjectResult on the Case object, along with getRecordTypeInfos

Question 25

In the event of an unhandled exception, an external system should be notified of the error - how can be done using publish/subscribe logic?

Answer 25

Publish the event using the Eventbus.publish() method and have the external system subscribe to the event using CometD