CRT-450 Exam Dumps Pass with Updated 2021 Certified Exam Questions
CRT-450 Exam Questions - Real & Updated Questions PDF
Overview about SALESFORCE CRT-450 Exam
- Registration Fee: 200 USD
- Number of Questions: 60
- Length of Examination: 110 minutes
- Format: Multiple choice, multiple answer
- Passing Score: 65%
- Retake Fee : 100 USD
NEW QUESTION 132
A developer must create a DrawList class that provides capabilities defined in the Sortable and Drawable interfaces. public interface Sortable { void sort(); } public interface Drawable { void draw(); } Which is the correct implementation?
- A. Public class DrawList extends Sortable, extends Sortable, extends Drawable { public void sort() { /*implementation*/ } public void draw() { /* implementation */}
- B. Public class DrawList implements Sortable, Implements Drawable {
public void sort() { /*implementation*/}
public void draw() { /*implementation*/}
] - C. Public class DrawList implements Sortable, Drawable {
public void sort() { /*implementation*/}
public void draw() { /*implementation*/}
} - D. Public class DrawList extends Sortable, Drawable {
public void sort() { /*implementation*/}
public void draw() { /*implementation*/}
}
Answer: C
NEW QUESTION 133
How many levels of child records can be returned in a single SOQL query from one parent object?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
NEW QUESTION 134
A developer is creating an enhancement to an application that will allow people to be related to their employer.
Which date model should be used to track the data?
- A. Create a junction object to relate many people to many employers trough master-detail relationship
- B. Create a junction object to relate many people to many employers trough lookup relationship
- C. Create a master detail relationship to indicate that a person has an employer
- D. Create a lookup relationship to indicate that a person has an employer
Answer: D
NEW QUESTION 135
A method is passed a list of generic sObjects as a parameter.
What should the developer do to determine which object type (Account, Lead, or Contact, for example) to cast each sObject?
- A. Use a try-catch construct to cast the sObject into one of the three sObject types.
- B. Use the getSObjectName method on the sObject class to get the sObject name.
- C. Use the getSObjectType method on each generic sObject to retrieve the sObject token.
- D. Use the first three characters of the sObject ID to determine the sObject type.
Answer: C
NEW QUESTION 136
A team of developers is working on a source-driven project that allows them to work independently, with many different org configurations. Which type of Salesforce orgs should they use for their development?
- A. Full Copy sandboxes
- B. Developer orgs
- C. Scratch orgs
- D. Developer sandboxes
Answer: C
NEW QUESTION 137
When using SalesforceDX, what does a developer need to enable to create and manage scratch orgs?
- A. Production
- B. Environment Hub
- C. Sandbox
- D. Dev Hub
Answer: D
NEW QUESTION 138
Which two statements can a developer use to throw a custom exception of type MissingFieldValueException?
Choose 2 answers.
- A. Throw new MissingFieldValueException();
- B. Throw new MissingFieldValueException ('Problem occurred');
- C. Throw (MissingFieldValueException, 'Problem occurred');
- D. Throw Exception (new MissingFieldValueException());
Answer: A,B
NEW QUESTION 139
Universal Containers implemented a private sharing model for the Account object. A custom Account search tool was developed with Apex to help sales representatives find accounts that match multiple criteria they specify. Since its release, users of the tool report they can see Accounts they do not own.
What should the developer use to enforce sharing permission for the currently logged-in user while using the custom search tool?
- A. Use the schema describe calls to determine if the logged-in users has access to the Account object.
- B. Use the with sharing keyword on the class declaration.
- C. Use the UserInfo Apex class to filter all SOQL queries to returned records owned by the logged-in user.
- D. Use the without sharing keyword on the class declaration.
Answer: A
NEW QUESTION 140
Which tag should a developer include when styling from external CSS is required in a Visualforce page?
- A. Apex : stylesheet
- B. Apex : require
- C. Apex : includeStyle
- D. Apex : includeScript
Answer: A
NEW QUESTION 141
A developer working on a time management application wants to make total hours for each timecard available to applications users. A timecard entry has a Master-Detail relationship to a timecard. Which approach should the developer use to accomplish this declaratively?
- A. A visualforce page that calculates the total number of hours for a timecard and displays it on the page.
- B. A Roll-up Summary field on the Timecard Object that calculates the total hours from timecard entries for that timecard.
- C. An Apex trigger that uses an Aggregate Query to calculate the hours for a given timecard and stores it in a custom field.
- D. A Process Builder process that updates a field on the timecard entry is created.
Answer: B
NEW QUESTION 142
An Account trigger updates all related Contacts and Cases each time an Account is saved using the following two DML statements:
update allContacts;
update allCases;
What is the result if the Case update exceeds the governor limit for maximum number of DML records?
- A. The Account save is retried using a smaller trigger batch size.
- B. The Account save fails and no Contacts or Cases are updated.
- C. The Account save succeeds, Contacts are updated, but Cases are not.
- D. The Account save succeeds and no Contacts or Cases are updated.
Answer: B
NEW QUESTION 143
Which user can edit a record after it has been locked for approval? (Choose 2)
- A. An administrator
- B. Any user with a higher role in the hierarchy
- C. Any user who approved the record previously
- D. A user who is assigned as the current approver
Answer: A,D
NEW QUESTION 144
Which two statements are true regarding formula fields? Choose 2 answers
- A. Formula fields may reference formula field on the same object to a level of one deep.
- B. Fields that are referenced by formula field can not be deleted until the formula is modified or deleted.
- C. When using the & operator to concatenate strings, the result is automatically truncated to fit the destination.
- D. When concatenating fields, line breaks can be added to improve readability.
Answer: A,B
NEW QUESTION 145
How can a developer avoid exceeding governor limits when using an Apex Trigger?choose 2 answers
- A. By performing DML transactions on lists of SObjects.
- B. By using the Database class to handle DML transactions.
- C. By using Maps to hold data from query results.
- D. By using a helper class that can be invoked from multiple triggers.
Answer: A,C
NEW QUESTION 146
An after trigger on the account object performs a DML update operation on all of the child opportunities of an account. There are no active triggers on the opportunity object, yet a "maximum trigger depth exceeded" error occurs in certain situation. Which two reasons possibly explain the account trigger firing recursively? choose 2 answers
- A. Changes are being made to the account during an unrelated parallel save operation
- B. Changes to opportunities are causing cross-object workflow field updates to be made on the account
- C. Changes to opportunities are causing roll-up summary fields to update on the account
- D. Changes are being made to the account during criteria based sharing evaluation
Answer: B
NEW QUESTION 147
An org has a data model with a Buyer__c object that has a lookup relationship to Region__c and a Supplier__c object has a lookup relationship to Region___c.
How can a developer display data from the related Supplier__c records on a Visualforce page that has a standard controller for the Buyer__c object?
- A. Use rollup formula fields on the Buyer__c object to reference the related Supplier__c records through the Region__c.
- B. Use a second standard controller for the Region__c object on a page to display the related Supplier__c records.
- C. Use merge field syntax to retrieve the Supplier__c records related to the Buyer__c record through the Region__c.
- D. Use SOQL in a controller extension to query for related Supplier__c records.
Answer: A
NEW QUESTION 148
What are three characteristics of change set deployments? (Choose three.)
- A. They can be used to transfer records.
- B. They can be used only between related organizations.
- C. They use an all or none deployment model.
- D. They can be used to deploy custom settings data.
- E. They require a deployment connection.
Answer: B,C,E
NEW QUESTION 149
Which aspect of Apex programming is limited due to multitenancy?
- A. The number of active Apex classes
- B. The number of records returned from database queries
- C. The number of methods in an Apex class
- D. The number of records processed in a loop
Answer: B
Explanation:
Explanation/Reference:
NEW QUESTION 150
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