Salesforce Apex Trigger Interview Question Explained

A developer wrote an Apex class to make several callouts to an external system. If the URLs used in these callouts will change often, which feature should the developer use to minimize changes needed to the Apex class?

A. Remote Site Settings B. Session Id C. Named Credentials D. Connected Apps Suggest answer: C Reference:

The progress of an apex job queued is using the System.enqueueJob method and needs to be monitored. Which options are valid? (Choose two.)

A. Use the Apex Jobs page in setup B. Query the Queueable Apex record C. Query the AsyncApexJob record D. Use the Scheduled Jobs page in se...

Which tag should a developer use to display different text while an is executing versus not executing?

A. B. C. D. Suggest answer: A Reference:

What is the best way to display field-level error messages in Lightning?

A. ui:inputDefaultError B. ui:outputText C. aura:component D. apex:message Suggest answer: A Reference:

A customer requires that when the billing address field on an Account gets updated, the address field on all its related contact records should reflect the same update. How can this requirement be met with minimal customizations?

A. Create an After Trigger on Account to update its related contact records on update B. Create a Workflow Rule on Account to update relate...

A developer is working with existing functionality that tracks how many times a stage has changed for an Opportunity. When the Opportunity's stage is changed, a workflow rule is fired to increase the value of a field by one. The developer wrote an after trigger to create a child record when the field changes from 4 to 5. A user changes the stage of an Opportunity and manually sets the count field to 4. The count field updates to 5, but the child record is not created. What is the reason this is happening?

A. After triggers fire before workflow rules. B. Trigger.new does not change after a field update. C. After triggers are not fired after fi...

Consider the following queries. For these queries, assume that there are more than 200,000 Account records. These records include soft-deleted records; that is, deleted records that are still in the Recycle Bin. Note that there are two fields that are marked as External Id on the Account. These fields are Customer_Number＿c and ERP_Key＿c. Which two queries are optimized for large data volumes? (Choose two.)

A. SELECT Id FROM Account WHERE Name != '' AND IsDeleted = false B. SELECT Id FROM Account WHERE Id IN :aListVariable C. SELECT Id ...

What is the transaction limit on the number of Apex jobs added to the queue?

A. 100 B. 150 C. 50 D. 200 E. There is no limit Suggest answer: C Reference:

What is the transaction limit on the max Salesforce CPU time?

A. 100 seconds B. 60 seconds C. 100 seconds (synchronous); 200 seconds (async) D. 10 seconds (synchronous); 60 seconds (async) E. There is ...

Which statement is considered a best practice for writing bulk safe Apex Triggers?

A. Add records to collections and perform DML operations against these collections B. Instead of DML statements, use the Database methods w...

The maximum view state size of a visualforce page is __________.

A. 1mb B. 256kb C. 165kb D. 65kb E. 135kb Suggest answer: E Reference:

How can a developer efficiently incorporate multiple JavaScript libraries, such as JQuery and MomentJS, in a Lightning component?

A. Use JavaScript remoting and script tags B. Use CDNs with script attributes C. Implement the libraries in separate helper files D. Join m...

Choose the correct definition for .

A. Standard Salesforce formatting, throws a specific message on a page B. Standard Salesforce formatting, shows all errors that occur on pa...

Instead of waiting to send emails to support personnel directly from the finish method of a batch Apex process, Universal Containers wants to notify an external system in the event that an unhandled exception occurs. What is the appropriate publish/subscribe logic to meet this requirement?

A. Publish the error event using the addError() method and write a trigger to subscribe to the event and notify the external system. B. Pub...

A developer recently released functionality to production that performs complex commission calculations in Apex code called from an Opportunity trigger. Users report that the calculations seem incorrect because the values they see for commissions are wrong. The developer has representative test data in their developer sandbox. Which three tools or techniques should the developer use to execute the code and pause it at key lines to visually inspect values of various Apex variables? (Choose two.)

A. Apex Replay Debugger B. Visual Studio Code C. Workbench D. Developer Console E. Breakpoints Suggest answer: BD Reference:

A developer writes a Lightning web component that displays a dropdown list of all custom objects in the org from which a user will select. An Apex method prepares and returns data to the component. What should the developer do to determine which objects to include in the response?

A. Check the getObiectType() value for ‘Custom’ or ‘Standard’ on the sObject describe result. B. Import the list of all custom objects from...

A developer is asked to replace the standard Case creation screen with a custom screen that takes users through a wizard before creating the Case. The org only has users running Lightning Experience. What should the developer override the Case New Action with to satisfy the requirements?

A. Lightning Component B. Lightning Page C. Lightning Record Page D. Lightning Flow Suggest answer: A Reference:

A developer created the following test method: The developer org has five accounts where the name starts with "Test". The developer executes this test in the Developer Console. After the test code runs, which statement is true?

A. The test will fail. B. There will be no accounts where the name starts with "Test". C. There will be five accounts where the n...

What is the transaction limit on the number of @future invocations?

A. 100 B. 150 C. 50 D. 200 E. There is no limit Suggest answer: C Reference:

A developer is tasked with creating an application-centric feature on which end-users can access and update information. This feature must be available in Lightning Experience while working seamlessly in multiple device form factors, such as desktops, phones, and tables. Additionally, the feature must support Addressable URL Tabs and interact with the Salesforce Console APIs. What are two approaches a developer can take to build the application and support the business requirements? (Choose two.)

A. Create the application using Lightning Web Components wrapped in Aura Components. B. Create the application using Aura Components wrappe...

Older Posts Home

Popular Posts

Universal Containers uses a custom object to track Projects. When the status of a Project is changed from "In Progress" to "On Hold", the business wants the Project owner to be automatically assigned to an "On Hold" queue. What capability can be used to accomplish this?

The client asks a Tableau CRM Consultant to build a dashboard with a chart that shows revenue and quantity of units sold. Which type of Combo Chart can the consultant use?

When looking at a landing page report in Pardot, what does unique submissions represent?

A Tableau CRM consultant is notified of a performance issue with data sync (replication). The consultant researches the issue and determines that unnecessary data is being synced. Which solution should the consultant implement to help improve data sync (replication) performance?

Universal Containers is experiencing an increase in spam in their Community. The Community Manager needs to put in some pre-moderation rules to be alerted when multiple posts occur from the same user over a short period of time. What should the Community Manager do to meet this requirement?

Universal Containers (UC) sells a subscription Product, Monitoring Service. Although it is often sold in a bundle, UC wants to ensure that sales reps leave the quantity as 1 when it is sold outside of a bundle. Which solution can UC apply?

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

A client has a dataset comprised of Opportunity data and Opportunity Line level data. The client wants to use this dataset with Einstein Discovery to understand the Opportunity win rate. What must be done to the dataset to achieve this goal?