EMT Practice Test

1. Question Content...

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Question1: A developer is writing a Visualforce page that queries accounts in the system and presents a data table with the results. The users want to be able to filter the results based on up to five fields. However, the users want to pick the five fields to use as filter fields when they run the page.
Which feature of Apex code is required to facilitate this solution?

Question2: A developer is writing a Visualforce page that queries accounts in the system and presents a data table with the results. The users want to be able to filter the results based on up to five fields. However, the users want to pick the five fields to use as filter fields when they run the page.
Which Apex code feature is required to facilitate this solution'

Question3: Which annotation exposes an Apex class as a RESTful neb service?

Question4: A company has many different unit test methods that create Account records as part of their data setup. A new required field was added to the Account and now all of the unit tests fail. What is the optimal way for a developer to fix the issue?

Question5: messages are rendering on the page. Which component should be added to the Visualforce page to display the message?

Question6: How should a developer verify that a specific Account record is being tested in a test class for a visualforce controller?

Question7: A Visualforce Page throws an Attempt to dereference a null object error for a Contact. What change In the controller will fix the error?

Question8: How should a developer assert that a trigger with an asynchronous process has successfully run?

Question9: Which method should be used to convert a Date to a String in the current user's locale?

Question10: An org has a requirement that an Account must always have one and only one Contact listed as Primary. So selecting one Contact will de-select any others. The client wants a checkbox on the Contact called 'Is Primary' to control this feature. The client also wants to ensure that the last name of every Contact is stored entirely in uppercase characters. What is the optimal way to implement these requirements?

Question11: A developer needs to send Account records to an external system for backup purposes. The process must take a snapshot of Accounts as they are saved and then make a callout to a RESTful web service. The web service can only receive, at most, one record per call. Which feature should be used to implement these requirements?

Question12: A company has a web page that needs to get Account record information, given its Salesforce record ID, from JavaScript on the page and then display it. Which method of integration is optimal?

Question13: A company manages information about their product offerings in custom objects named Catalog and Catalog Item. Catalog Item has a master-detail field to Catalog, and each Catalog may have as many as 100,000 Catalog Items.
Both custom objects have a CurrencylsoCode Text field that contains the currency code they should use. If a Catalog's CurrencylsoCode changes, all of its Catalog Items' CurrencylsoCodes should be changed as well.
What should a developer use to update the CurrencylsoCodes on the Catalog Items when the Catalog's CurrencylsoCode changes^5

Question14: A developer wants to integrate invoice and invoice line data into Salesforce from a custom billing system. The developer decides to make realtime callouts from the billing system using the SOAP API. Unfortunately, the developer is getting a lot of errors when inserting the invoice line data because the invoice header record doesn't exist yet.
What will help ensure ne transactional Integrity of the integration?

Question15: A developer creates an application event that has triggered an infinite loop. What may have caused this problem?

Question16: An Apex trigger and Apex class increment a counter, Edit_Count_c, any time that the Case is changed.

A new process on the case object was just created in production for when a Case is created or updated< since the process was created, they are reports that the Count is being incremented by more than one on Case edit.
Which change in the Apex code will fix the problem?
A)

B)

C)

D)

Question17: A developer receives the exception 'SOQL query not selective enough' when performing a query on an object with a large amount of dat a. Which step should be taken to resolve the issue?

Question18: A developer Is asked to develop a new AppExthange application. A feature of the program creates Survey records when a Case reaches a certain stage and Is of a certain Record Type. This feature needs to be configurable, as different Salesforce instances require Surveys at different times. Additionally, the out-of-the-box AppExchange app needs to come with a set of best practice settings that apply to most customers.
What should the developer use to store and package the custom configuration settings for the app?

Question19: What is a benefit of JavaScript remoting over Visualforce Remote Objects?

Question20: UC Loans is a small company with a part time Salesforce administrator. UC Loans wants to create a Loan__c record whenever an Opportunity is won. What is the optimal solution for UC Loans to accomplish this?

Question21: A user receives the generic "An internal server error has occurred" while interacting with a custom Lightning Component. What should the developer do to ensure a more meaningful message?

Question22: A company notices that their unit tests in a test class with many methods to create many records for prerequisite reference data are slow. What can a developer to do address the issue?

Question23: Universal Containers allows customers to log into a Salesforce Community and update their orders via a custom Visualforce page. Universal Containers' sales representatives can edit the orders on the same Visualforce page.
What should a developer use in an Apex test class to test that record sharing is enforced on the Visualforce page?

Question24: 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

Question25: Consider the code above.

When a user dicks on the Link of a Contact's name, what happens'

Question26: A developer created a new trigger that inserts a Task when a new Lead is created. After deploying to production, an outside integration is periodically reporting errors.
Which change should the developer make to ensure the integration is not affected with minimal impact to business logic?

Question27: Consider the controller code above that is called from a Lightning component and returns data wrapped in a class.

Consider the controller code above that is called from a Lightning component and returns data wrapped in a class.
The developer verified that the Queries return a single record each and there is error handing in the Lightning component, but the component is not getting anything back when calling the controller getSomeData().
What is wrong?

Question28: The use of the transient keyword In Visualforce Page Controllers helps with which common performance issued?

Question29: A developer needs to implement a system audit feature that allows users, assigned to a custom profile named "Auditors", to perform searches against the historical records in the Account object. The developer must ensure the search is able to return history records that are between 12 and 24 months old.
Given the code below, which select statement should be inserted below as a valid way to retrieve the Account History records ranging from 12 to 24 month old?
A)

B)

C)

D)

Question30: For compliance purposes, a company is required to track long-term product usage in their org. The information that they need to log will be collected from more than one object and. over time, they predict they will have hundreds of millions of records.
What should a developer use to implement this?

Question31: Which scenario requires a developer to use an Apex callout instead of Outbound Messaging?

Question32: A Lightning Component has a section that displays some information about an Account and it works well on the desktop, but users have to scroll horizontally to see the Description field output on their mobile devices and tablets.

Which option has the changes to make the component responsive for mobile and tablet devices?

Question33: A company uses Opportunism to track sales to their customers and their org has millions of Opportunities. They want to begging to track revenue over time through a related Revenue object.
As part of their initial implementation, they want to perform a one-time seeding of their data by automatically creating and populating Revenue records for Opportunities, based on complex logic. They estimate that roughly 100,000 Opportunities will have revenue records and populated.
What is the optimal way to automate this?

Question34: Exhibit:

The test method above tests an Apex trigger that the developer knows will make a lot of queries when a lot of Account are simultaneously updated to be customer.
The test method fails at the Line 20 because of too many SOQL queries
What is the correct way to fix this?

The test method above tests an Apex trigger that the developer knows will make a lot of queries when a lot of Accounts are simultaneously updated to be customers.
The test method fails at the Line 20 because of too many SOQL queries.
What is the correct way to fix this?

Question35: Exhibit:

What should be added to the setup, in the location indicated, for the unit test above to create the controller extension for the test?
A)

B)

C)

D)

Question36: A developer sees test failures in the sandbox but not in production. No code or metadata changes have been actively made to either environment since the sandbox was created.
Which consideration should be checked to resolve the issue?

Question37: A managed package uses a list of country ISO codes and country names as references data in many different places.. managed package Apex code.
What is the optimal way to store and retrieve the list?

Question38: Universal Containers needs to integrate with a Heroku service that resizes product images submitted by users.
What are two alternatives to implement the integration and protect against malicious calls to the Heroku app's endpoint? Choose 2 answers

Question39: A developer is trying to decide between creating a Visualforce component or a Lightning component for a custom screen. Which functionality consideration impacts the final decision?

Question40: There are user complaints about slow render times of a custom data table within a visualforce page that loads thousands of Account records at once.
What can a developer do to help alleviate such issues?

Question41: What is a benefit of using a WSDL with Apex?

Question42: A company has a custom object Sales_Help_Request__c that has a Lookup relationship to Opportunity. The Sales_Help_Request__c has a number field, Number_of_Hours__c, that represents the amount of time spent on the Sales_Help_Request__c.
A developer is tasked with creating a field, Total_Hours__c, on Opportunity that should be the sum of all of the Number_of_Hours__c values for the Sales_Help_Request__c records related to that Opportunity.
What should the developer use to implement this?

Question43: The test method above calls an @future method that increments the Number_of_Times_Viewed__c value. The assertion is failing because the Number_of_Times_Viewed__c equals 0. What is the optimal way to fix this?

Question44: Sometimes events on Salesforce need to be handled by an external system due to the scale or type of process being executed. Consider the use case of a user in Salesforce needing to get pricing for an order they are building in Salesforce while on the phone with a customer. The pricing logic already exists in a third-party system. Instead of recreating this logic in Salesforce, it will be leveraged by making a request of the third-party system. The response, in this case the pricing, will be returned and stored back in Salesforce. What is the optimal solution?

Question45: An Apex Trigger creates a Contract record every time an Opportunity record is marked as Closed and Won. This trigger is working great, except (due to a recent acquisition) historical Opportunity records need to be loaded into the Salesforce instance. When a test batch of records are loaded, the Apex Trigger creates Contract records. A developer is tasked with preventing Contract records from being created when mass loading the Opportunities, but the daily users still need to have the Contract records created. What is the most extendable way to update the Apex Trigger to accomplish this?