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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Business Logic and Process Automation | 25% | - Asynchronous processing (Batch, Queueable, Future) - Custom metadata and settings - Advanced triggers and Apex logic - Governor limits and performance optimization |
| Topic 2: User Interface Development | 15% | - Lightning Web Components development - Visualforce advanced features - Component communication and reusability - Aura Components advanced usage |
| Topic 3: Advanced Developer Fundamentals | 15% | - Sharing and security model implementation - Advanced Apex coding best practices - System classes and utility methods - Localization and internationalization |
| Topic 4: Data Modeling and Management | 12% | - Data validation and consistency - Complex data modeling - SOQL and SOSL optimization - Large data volume handling |
| Topic 5: Testing, Debugging and Deployment | 18% | - Continuous integration and delivery - Advanced testing techniques - Deployment strategies and tools - Debugging and error handling |
| Topic 6: Integration and Web Services | 15% | - External objects and data sources - Data integration patterns - API usage and limits - REST and SOAP integrations |
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NEW QUESTION # 144
The use of the transient keyword in Visualforce page controllers helps with which common performance issue?
Answer: C
Explanation:
The transient keyword in Visualforce page controllers marks variables that should not be part of the view state, which can significantly reduce the size of the view state. This can help avoid view state limit errors and improve page performance because a smaller view state requires less time to send to the client.
References: Visualforce Developer Guide - Reducing View State Size
NEW QUESTION # 145
Example 1: AggregateResult[] groupedResults = [SELECT Campaignid, AVG(Amount) FROM Opportunity GROUP BY CampaignId]; for (AggregateResult ar : groupedResuits) { System.debug ('Campaign ID' + ar.get('CampaignId'-); System.debug ('Average amount' + ar.get('exprd')); } Example 2: AggregateResult[] groupedResults = [SELECT Campaignid, AVG(Amount) theAverage FROM Opportunity GROUP BY Campaignid]; for (AggregateResult ar : groupedResuits) { System.debug(*Campaign ID' + ar.get('CampaignId')); System.debug ('Average amount' + ar.get('theAverage')); } Example 3: AggregateResult[] groupedResults = [SELECT CampaignId, AVG(Amount) FROM Opportunity GROUP BY CampaignId]; for (AggregateResult ar : groupedResuits) System.debug(*Campaign ID' + ar.get('CampaignId')); System.debug('Average amount' + ar.get.AVG(-); } Example 4:AggregateResult[] groupedResults = [SELECT CampaigniId, AVG(Amount) theAverage FROM Opportunity GROUP BY Campaignid]; for (AggregateResult ar : groupedResults) { System.debug('Campaign ID' + ar.get('CampaignId')); System.debug ('Average amount' + ar.theAverage-; } Which two of the examples above have correct System.debug statements? Choose 2 answers
Answer: A,C
NEW QUESTION # 146
The Contact object has a custom field called "Zone." Its data type is "Text" and field length is 3.
What is the outcome after executing the following code snippet in the org?
List<Contact> contactsToBeInserted=new List<Contact>(); Contact contactInstance= new Contact(LastName='Smith', Department='Tech', Zone_c='IAD'); contactsToBeInserted.add(contactInstance); contactInstance= new Contact (LastName='Sm1th', Department='Tech', Zone_c='PITT'); contactsToBeInserted.add (contactInstance); Database.insert(contactsToBeInserted,true);
Answer: D
NEW QUESTION # 147
A developer is debugging an Apex-based order creation process that has a requirement to have three savepoints, SP1, SP2, and SP3 (created in order), before the final execution of the process.
During the final execution process, the developer has a routine to roll back to SP1 for a given condition. Once the condition is fixed, the code then calls a roll back to SP3 to continue with final execution. However, when the roll, back to SP3 is called, a runtime error occurs.
Why does the developer receive a runtime error?
Answer: A
NEW QUESTION # 148
A developer is asked to look into an issue where a scheduled Apex is running into DML limits. Upon investigation, the developer finds that the number of records processed by the scheduled Apex has recently increased to more than 10,000.
What should the developer do to eliminate the limit exception error?
Answer: B
NEW QUESTION # 149
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