Question 1

A developer is working on an integration between Salestorce and an external system. The integration requiressending a large amount of data to the external systern, which can cause long response times and timeouts.To optimize the performance and avoid timeouts, which technique should be used?

Options :

A : Use a chained batch Apex to split the data into smaller batches.

B : Implement an asynchronous callout using the Continuation class,

C : Increase the timeout limit in the callout options,

D : Use the @future annotation to make the callout asynchronous.

Answer: B

Question 2

A developer is asked to build a solution that will automatically send an email to the Customer when an Opportunity stage changes. The solution must scale to allow for 10,000 emails per day. The criteria to send the email should be evaluated after all Workflow Rules have fired. What is the optimal way to accomplish this?

Options :

A : Use a Workflow Email Alert.

B : Usea MassEmailMessage() with an Apex Trigger.

C : Use a SingleEmailMessage() with an Apex Trigger.

D : Use an Email Alert with Process Builder.

Answer: D

Question 3

A developer created three Rollup Summary fields: Total_timesheets_c, Total_Approved_timesheet_c and Total_project_Timesheet_c in the custom object, project _cNow, the developer is tasked with created a new field to show the ratio between and approved

Options :

A : No test methods will be executed during deployment.

B : A test class that validates the formula field is needed for deployment.

C : Using a formula field reduces maintenance overhead.

D : A formula field will calculate the value retroactively for existing records.

Answer: C,D

Question 4

Which three approaches should a developer Implement to obtain the best performance for data retrieval when building a Lightning web component?Choose 3 answers

Options :

A : Use lazy load for occasionally accessed data.

B : Use layoutTypes : ['Full'] to display a set of fields.

C : Use the Lightning Data Service.

D : Use getRecordUi to obtain metadata.

E : Use (cacheable-true) whenever possible.

Answer: A,C

Question 5

How can a developer efficiently incorporate multiple JavaScript libraries in an Aura component?

Options :

A : Use JavaScript remoting and script tags.

B : Use CDNs with script attributes.

C : Implement the libraries in separate helper files.

D : Join multiple assets from a static resource.

Answer: D