Salesforce Apex Trigger Interview Question Explained

Universal Containers has a support process that allows users to request support from its engineering team using a custom object, Engineering_Support__c. Users should be able to associate multiple Engineering_Support__c records to a single Opportunity record. Additionally, aggregate information about the Engineering_Support__c records should be shown on the Opportunity record. What should a developer implement to support these requirements?

A. Master-detail field from Opportunity to Engineering_Support__c B. Lookup field from Engineering_Support__c to Opportunity C. Lookup fiel...

A developer wrote an Apex method to update a list of Contacts and wants to make it available for use by Lightning web components. Which annotation should a developer add to the Apex method to archive this?

A. @RemoteAction(cacheable=true) B. @AuraEnabled C. @RemoteAction D. @AuraEnabled(cacheable=true) Suggest answer: D Reference:

Which annotation should a developer use on an Apex method to make it available to be wired to a property in a Lightning web component?

A. @RemoteAction(cacheable=true) B. @AuraEnabled C. @RemoteAction D. @AuraEnabled(cacheable=true) Suggest answer: D Reference:

What are two uses for External IDs? (Choose two.)

A. To create relationships between records imported from an external system. B. To create a record in a development environment with the sa...

What is a benefit of developing applications in a multi-tenant environment?

A. Access to predefined computing resources B. Enforced best practices for development C. Unlimited processing power and memory D. Default ...

A developer completed modifications to a customized feature that is comprised of two elements: • Apex trigger • Trigger handler Apex class What are two factors that the developer must take into account to properly deploy the modification to the production environment? (Choose two.)

A. Apex classes must have at least 75% code coverage org-wide. B. At least one line of code must be executed for the Apex trigger. C. All m...

Which two conditions cause workflow rules to fire? (Choose two.)

A. An Apex Batch process that changes field values. B. Updating records using the bulk API C. Converting leads to person accounts D. Changi...

Which three tools can deploy metadata to production? (Choose three.)

A. Change Set from Developer Org B. Force.com IDE C. Data Loader D. Change Set from Sandbox E. Metadata API Suggest answer: BDE Referenc...

A developer is asked to create a Visualforce page that displays some Account fields as well as fields configured on the page layout for related Contacts. How should the developer implement this request?

A. Use the tag. B. Use the tag. C. Add a method to the standard controller. D. Create a controller extension. Suggest answer: B Referen...

A developer has the following class and trigger code. Which code segment should a developer insert at the XXX to set the baseCost variable to the value of the class variable smokerCharge?

A. InsuranceRates.smokerCharge B. rates.getSmokerCharge() C. ContactTrigger.InsuranceRates.smokerCharge D. rates.smokerCharge Suggest ans...

Which two are best practices when it comes to component and application event handling? (Choose two.)

A. Reuse the event logic in a component bundle, by putting the logic in the helper. B. Use component events to communicate actions that sho...

Which three process automations can immediately send an email notification to the owner of an Opportunity when its Amount is changed to be greater than $10,000? (Choose three.)

A. Process Builder B. Escalation Rule C. Flow Builder D. Approval Process E. Workflow Rule Suggest answer: ACE Reference:

A developer has JavaScript code that needs to be called by controller functions in multiple Aura components by extending a new abstract component. Which resource in the abstract Aura component bundle allows the developer to achieve this?

A. helper.js B. controller.js C. superRender.js D. renderer.js Suggest answer: A Reference:

Which two components are available to deploy using the Metadata API? (Choose two.)

A. Lead Conversion Settings B. Web-to-Case C. Web-to-Lead D. Case Settings Suggest answer: AD Reference:

Which tag should a developer include when styling from external CSS is required in a Visualforce page?

A. apex:includeStyles B. apex:includeScript C. apex:require D. apex:stylesheet Suggest answer: D Reference:

The sales team at Universal Containers would like to see a visual indicator appear on both Account and Opportunity page layouts to alert salespeople when an Account is late making payments or has entered the collections process. What can a developer implement to achieve this requirement without having to write custom code?

A. Formula Field B. Workflow Rule C. Quick Action D. Roll-up Summary Field Suggest answer: A Reference:

A newly hired developer discovers that there are multiple triggers on the case object. What should the developer consider when working with triggers?

A. Developers must dictate the order of trigger execution. B. Trigger execution order is based on creation date and time. C. Unit tests mus...

How should a developer make sure that a child record on a custom object, with a lookup to the Account object, has the same sharing access as its associated account?

A. Create a Sharing Rule comparing the custom object owner to the account owner. B. Create a validation rule on the custom object comparing...

A developer is asked to create a PDF quote document formatted using the company's branding guidelines, and automatically save it to the Opportunity record. Which two ways should a developer create this functionality? (Choose two.)

A. Install an application from the AppExchange to generate documents. B. Create a Visualforce page with custom styling. C. Create an email ...

Which two strategies should a developer use to avoid hitting governor limits when developing in a multi-tenant environment? (Choose two.)

A. Use collections to store all fields from a related object and not just minimally required fields. B. Use methods from the ג€Limitsג€ cla...

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