SALESFORCE-PD1 Testing Debugging And Deployment Practice Test 4 — 15 Questions

Question 1

Why must you use Test.startTest() when testing asynchronous Apex code?

Accepted Answer

To ensure asynchronous processes complete within the test execution context.. Asynchronous code like @future or Queueable is queued; Test.startTest ensures it executes when Test.stopTest is called.

Answer

To increase the execution time allowed for tests.

Answer

To save the test data to the database immediately.

Answer

To bypass user permission checks.

Question 2

A developer needs to see how much memory a specific Apex method is consuming. Which log category should be adjusted?

Accepted Answer

Profiling.. The Profiling category provides detailed information on resource consumption.

Answer

Apex Code.

Answer

Database.

Answer

Workflow.

Question 3

What is the primary function of a scratch org?

Accepted Answer

A source-driven, ephemeral environment for testing and development.. A scratch org is an ephemeral, configurable Salesforce environment for development and testing.

Answer

A backup tool for production data.

Answer

A permanent environment for staging.

Answer

A tool to migrate Change Sets.

Question 4

When testing a trigger, why should you avoid hard-coding IDs?

Accepted Answer

IDs change between orgs, causing test failures.. IDs are not consistent across environments, which causes tests to fail in deployment.

Answer

It violates Apex syntax rules.

Answer

It limits the test to only one record.

Answer

It triggers governor limits.

Question 5

Which utility class is used to assert that code behaves as expected in Apex tests?

Accepted Answer

System.assertEquals().. The System.assertEquals method is the standard way to verify expected outcomes.

Answer

Test.assert().

Answer

Test.verify().

Answer

Assert.verify().

Question 6

What is the primary benefit of using a Sandbox for development?

Accepted Answer

It allows development without affecting production data.. Sandboxes provide an isolated environment to prevent impact on production data or processes.

Answer

It allows access to the full production database automatically.

Answer

It increases the number of available governor limits.

Answer

It automatically deploys code to production.

Question 7

Which TWO features of @isTest(SeeAllData=true) should a developer be aware of?

Accepted Answer

It makes tests results dependent on the org's existing data.. It grants access to all org data and can lead to unexpected test results.

Answer

It speeds up test execution.

Answer

It is required for testing standard objects.

Answer

It ignores all governor limits.

Question 8

Which log level displays the most information?

Accepted Answer

FINEST.. FINEST is the most granular log level available.

Answer

WARN.

Answer

DEBUG.

Answer

INFO.

Question 9

A developer needs to check the status of a long-running batch job that was triggered by an Apex class. Where should they look?

Accepted Answer

Apex Jobs.. The Apex Jobs page lists all batch, future, and queueable jobs.

Answer

Deployment Status.

Answer

Debug Logs.

Answer

System Overview.

Question 10

A developer is writing a test for a method that performs a callout. How must the callout be handled?

Accepted Answer

Implement the HttpCalloutMock interface.. Callouts must be mocked using HttpCalloutMock to avoid external network dependencies.

Answer

Use the @future annotation.

Answer

Use Test.startTest().

Answer

The test will automatically fail.

Question 11

Which THREE actions are best practices when deploying Apex classes to production?

Accepted Answer

Run all tests in the destination organization.. Running tests, validating, and using version control are key deployment practices.

Answer

Avoid using change sets.

Answer

Directly edit classes in production.

Question 12

How can a developer inspect the state of a private variable within a class during unit testing?

Accepted Answer

Use the @TestVisible annotation.. @TestVisible allows test classes to access private variables without making them public.

Answer

Change the class to @isTest.

Answer

There is no way to inspect private variables.

Answer

Make the variable public.

Question 13

When using the Salesforce CLI to deploy, what is the 'check-only' flag used for?

Accepted Answer

To validate the metadata without saving it to the org.. It validates the deployment without committing changes to the target org.

Answer

To force the deployment despite test failures.

Answer

To skip the compilation check.

Answer

To run only the tests.

Question 14

Which approach is recommended to ensure test data is cleaned up?

Accepted Answer

The platform automatically rolls back data created in tests.. Salesforce automatically rolls back all data created in a test method after completion.

Answer

Use the Test.stopTest() method.

Answer

Delete the records manually in the finally block.

Answer

Use a @testSetup method for cleanup.

Question 15

A developer is receiving 'Too many SOQL queries' errors in a trigger. What is the most likely cause?

Accepted Answer

Executing SOQL inside a for loop.. Performing SOQL inside a loop is the primary cause of this error.

Answer

Using too many debug statements.

Answer

Not enough test coverage.

Answer

Using the wrong trigger event.