Jun-2024 Free DEX-450 Test Questions Real Practice Test Questions
DEX-450 Dumps Updated Jun 01, 2024 WIith 239 Questions
NEW QUESTION # 123
Given the following Anonymous Block:
Which one do you like?
What should a developer consider for an environment that has over 10,000 Case records?
- A. The transaction will succeed and changes will be committed.
- B. The try/catch block will handle any DML exceptions thrown.
- C. The try/catch block will handle exceptions thrown by governor limits.
- D. The transaction will fail due to exceeding the governor limit.
Answer: A
NEW QUESTION # 124
A developer needs to create a custom visualforce button for the opportunity object page layout that will cause a web service to be called and redirect the user to a new page when clicked. Which three attributes need to be defined in the <apx:page> tag of the visualforce page to enable this functionality?
- A. Extensions
- B. Standardcontroller
- C. Renderas
- D. AcTion
- E. Readonly
Answer: A,B,D
NEW QUESTION # 125
Why would a developer consider using a custom controller over a controller extension?
- A. To implement all of the logic for a page and bypass default Salesforce functionality
- B. To leverage built-in functionality of a standard controller
- C. To increase the SOQL query governor limits.
- D. To enforce user sharing settings and permissions
Answer: A
NEW QUESTION # 126
A developer migrated functionality from JavaScript Remoting to a Lightning web component and ... existing getOpportunities method to provide data.
- A. The method must be decorated with @AuraEnabied.
- B. The method must return a JSON Object.
- C. The method must be decorated with (cacheable=true).
- D. The method must return a String of a serialized JSON Array.
Answer: C
NEW QUESTION # 127
A developer is creating a Lightning web component to show a list of sales records.
The Sales Representative user should be able to see the commission-field on each record. The Sales Assistance user should be able to see all field on the record except the commission field.
How should this be enforced so that the component works for both users without showing any errors?
- A. Use Lightning Data Service to get the collection of sales records.
- B. Use with SECURITY_EMFoRCED in the SOQL that fetches the data for the component.
- C. Use security. stripInaccessible to remove fields inaccessible to the current user.
- D. Use Lightning Locker Service to enforce sharing rules and field-level security.
Answer: C
NEW QUESTION # 128
When is an Apex Trigger required instead of a Process Builder Process?
- A. When an action needs to be taken on a delete or undelete, or before a DML operation is executed.
- B. When multiple records related to the triggering record need to be updated
- C. When a post to Chatter needs to be created
- D. When a record needs to be created
Answer: A
NEW QUESTION # 129
What can a Lightning Component contain in its resource bundle? Choose 2 answer
- A. Build scripts for minification
- B. Properties files with global settings
- C. CSS styles scoped to the component
- D. Custom client side rendering behavior.
Answer: C,D
NEW QUESTION # 130
Which three per-transaction limits have higher governor limits in asynchronous Apex transactions?
- A. Total SOQL queries
- B. Maximum CPU time
- C. Records returned by SOQL
- D. Maximum execution time
- E. Maximum heap size
Answer: A,B,C
NEW QUESTION # 131
Which two components are available to deploy using the METADATA API? Choose 2 answers
- A. Web-to-Case
- B. Lead Conversion Settings
- C. Web-to-Lead
- D. Case Settings
Answer: B,D
NEW QUESTION # 132
What are the methods used to show input in classic and lightning ?
- A. Use visualforce page in classic and lightning component in lightning
Answer: A
NEW QUESTION # 133
A developer is alerted to an issue with a custom Apex trigger that is causing records to be duplicated.
What is the most appropriate debugging approach to troubleshoot the issue?
- A. Review the Historical Event logs to Identify the source of the issue.
- B. Add system.debug statements to the code to track the execution flow and identify the issue.
- C. Disable the trigger m production and test to see If the issue still occurs.
- D. Use the Apex Interactive Debugger to step through the code and Identify the issue.
Answer: B
NEW QUESTION # 134
The Review_c object have a lookup relationship to the job_Application_c object. The job_Application_c object has a master detail relationship up to the position_c object. The relationship is based on the auto populated defaults?
What is the recommended way to display field data from the related Review _C records a Visualforce page for a single Position_c record? Select one of the following:
- A. Utilize the Standard Controller for Position_c and cross-object Formula Fields on the Job_Application_c object to display Review_c data.
- B. Utilize the Standard Controller for Position_c and expression syntax in the Page to display related Review_c through the Job_Applicacion_c inject.
- C. Utilize the Standard Controller for Position_c and cross-object Formula Fields on the Review_c object to display Review_c data.
- D. Utilize the Standard Controller for Position_c and a Controller Extension to query for Review_c data.
Answer: D
NEW QUESTION # 135
Universal Containers wants a list button to display a Visualforce page that allows users to edit multiple records.
Which Visualforce feature supports this requirement?
- A.
- B.
- C.
- D.
Answer: D
NEW QUESTION # 136
Which two are best practices when it comes to component and application event handling? Choose 2 answers
- A. Use component events to communicate actions that should be handled at the application level.
- B. Try to use application events as opposed to component events.
- C. Handle low-level events in the event handler and re-fire them as higher-level events. (Missed)
- D. Reuse the event logic in a component bundle, by putting the logic in the helper. (Missed)
Answer: C,D
NEW QUESTION # 137
A developer must build application that tracks which Accounts have purchase specific pieces of equal products. Each Account could purchase many pieces of equipment.
How should the developer track that an Account has purchased a piece of equipment.
- A. Use a Lookup on Account to product.
- B. Use the Asset object.
- C. Use a Master-Detail on Product to Account
- D. Use a Custom object.
Answer: C
NEW QUESTION # 138
Which two number expression evaluate correctly? Choose 2 answers
- A. Decimal D = 3.14159;
- B. Double D =3.14159;
- C. Long I = 3.14159;
- D. Integer I = 3.14159;
Answer: A,B
NEW QUESTION # 139
What is the minimum log level needed to see user-generated debug statements?
- A. WARN
- B. FINE
- C. DEBUG
- D. INFO
Answer: C
NEW QUESTION # 140
A developer needs to make a custom Lightning Web Component available in the Salesforce Classic user interface.
Which approach can be used to accomplish this?
- A. Wrap the Lightning Web Component In an Aura Component and surface the Aura Component as a Visualforce tab.
- B. Embed the Lightning Web Component is a Visualforce Component and add directly to the page layout.
- C. Use the Lightning Out JavaScript library to embed the Lightning Web Component in a Visualforce page and add to the page layout.
- D. Use a Visualforce page with a custom controller to invoke the Lightning Web Component using a call to an Apex method.
Answer: C
NEW QUESTION # 141
Refer to the following Apex code:
What is the value of x when it is written to the debug log?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
NEW QUESTION # 142
A developer needs to prevent the creation of request records when certain conditions exist in the system. A RequestLogic class exists to checks the conditions. What is the correct implementation?
- A. Trigger RequestTrigger on Request (before insert) {
if (RequestLogic.isvalid{Request})
Request.addError {'Your request cannot be created at this time.'};
} - B. Trigger RequestTrigger on Request (before insert) {
RequestLogic.validateRecords {trigger.new};
} - C. Trigger RequestTrigger on Request (after insert) {
RequestLogic.validateRecords {trigger.new};
} - D. Trigger RequestTrigger on Request (after insert) {
if (RequestLogic.isValid{Request})
Request.addError {'Your request cannot be created at this time.'};
}
Answer: B
NEW QUESTION # 143
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