Get 100% Passing Success With True DEX-450 Exam! [Jan-2022]
Salesforce DEX-450 PDF Questions - Exceptional Practice To Salesforce Programmatic Development using Apex and Visualforce in Lightning Experience Exam
Introduction to Salesforce DEX-450 Exam
This qualification concentrates on the programmer’s validation of abilities, such as the programming of programs. Salesforce DEX-450 certification acknowledges that the applicant has the potential to conform his / her Salesforce applications to the heart of the Pinnacle programming language and the visual power diagram. The credential offers a better indicator of the competences which you have established to provide prospective employers. Professionals need to gain functional expertise in constructing and programming data objects (sObjectiles) to retrieve, modify and store data from these objects. Specify custom logic with Apex triggers and classes and use the built-in testing system to test this logic. This Guide covers all facets of the DEX-450 Test, the salary of the accredited specialist Salesforce DEX-450 and all the aspects of the Salesforce DEX-450 certification.
The Salesforce DEX-450 exam is a competency qualification test that acknowledges your capability growth. You need industry expertise to attempt the test. Professionals should execute the following duties following certification:
- Describe how the trigger code functions in the Save Execution Order
- Write customizations of business logic using triggers and classes from Apex. SOQL and DML are used with these customizations.
- Describe a range of the main features of multi-tenant programme architecture
- Using the combined Apex and Visual Powers evaluation system.
- Write Visualforce and code for user interface setup
- Develop programmatic implementations that benefit from declarative personalizations
- Using a declarative GUI to build and change subjects
NEW QUESTION 232
What are the supported content sources for custom buttons and links? (Choose 2 Answers)
- A. Chatter File.
- B. Static Resource.
- C. URL.
- D. Lightning Page.
- E. VisualForce Page.
Answer: C,E
NEW QUESTION 233
A developer has the following query: Contact c = [SELECT id, firstname, lastname, email FROM Contact WHERE lastname = 'Smith']; What does the query return if there is no Contact with the last name 'Smith'?
- A. A Contact with empty values.
- B. An empty List of Contacts.
- C. A contact initialized to null.
- D. An error that no rows are found.
Answer: D
NEW QUESTION 234
What is true for a partial sandbox that is not true for a full sandbox? Choose 2 answers:
- A. More frequent refreshes.
- B. Only Includes necessary metadata.
- C. Use of change sets.
- D. Limited to 5 GB of data.
Answer: A,D
NEW QUESTION 235
A company has a custom object named Region. Each account in salesforce can only be related to one region at a time, but this relationship is optional. Which type of relantionship should a developer use to relate an account to a region?
- A. Hierarchical
- B. Parent-child
- C. Lookup
- D. Master-detail
Answer: D
NEW QUESTION 236
A developer needs to create a custom Visualforce button for the Opportunity object page layout that will cause a web service to be called and redirect the user to a new page when clicked. Which three attributes need to be defined in the <apex:page> tag of the Visualforce page to enable this functionality? Choose three answers.
- A. Action
- B. Extensions
- C. Controller
- D. StandardController
Answer: A,B,D
NEW QUESTION 237
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. Include the sharing related list on the custom object page layout.
- B. Create a validation rule on the custom object comparing the record owners on both records.
- C. Create a Sharing Rule comparing the custom object owner to the account owner.
- D. Ensure that the relationship between the objects is Master-Detail.
Answer: D
NEW QUESTION 238
In a single record, a user selects multiple values from a multi-select picklist. How are the selected values represented in Apex?
- A. As a Set with each value as an element in the set
- B. As a String with each value separated by a comma
- C. As a String with each value separated by a semicolon
- D. As a List with each value as an element in the list Previous
Answer: C
NEW QUESTION 239
Universal Containers stores the availability date on each Line Item of an Order and Orders are only shipped when all of the Line Items are avaible. Which method should be used to calculate the estimated ship date for an Order?
- A. Use a Max Roll-Up Summary field on the Latest availability date fields.
- B. Use a LATEST formula on each of the latest availability date fields.
- C. Use a DAYS formula on each of the availability date fields and a COUNT Roll-Up Summary field on the Order.
- D. Use a CEILING formula on each of the Latest availability date fields.
Answer: A
NEW QUESTION 240
A Licensed_Professional__c custom object exist in the system with two Master-Detail fields for the following objects: Certification__c and Contact. Users with the "Certification Representative" role can access the Certification records they own and view the related Licensed Professionals records, however users with the "Salesforce representative" role report they cannot view any Licensed professional records even though they own the associated Contact record. What are two likely causes of users in the "Sales Representative" role not being able to access the Licensed Professional records? Choose 2 answers
- A. The organization recently modified the Sales representative role to restrict Read/Write access to Licensed_Professional__c
- B. The organization has a private sharing model for Certification__c, and Certification__c is the primary relationship in the Licensed_Professional__c object. (Missed)
- C. The organization's sharing rules for Licensed_Professional__c have not finished their recalculation process. (Missed)
- D. The organization has a private sharing model for Certification__c, and Contact is the primary relationship in the Licensed_Professional__c object
Answer: A,B
NEW QUESTION 241
A developer writes a trigger on the Account object on the before update event that increments a count field. A workflow rule also increments the count field every time that an Account is created or update. The field update in the workflow rule is configured to not re-evaluate workflow rules. What is the value of the count field if an Account is inserted with an initial value of zero, assuming no other automation logic is implemented on the Account?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
NEW QUESTION 242
Which two strategies should a developer use to avoid hitting governor limits when developing in a multi-tenant environment? (Choose two.)
- A. Use SOQL for loops to iterate data retrieved from queries that return a high number of rows.
- B. Use variables within Apex classes to store large amounts of data.
- C. Use collections to store all fields from a related object and not just minimally required fields.
- D. Use methods from the "Limits" class to monitor governor limits.
Answer: A,D
NEW QUESTION 243
In which order does Salesforce execute events upon saving a record?
- A. Before Triggers; Validation Rules; After Triggers; Workflow Rules; Assignment Rules; Commit
- B. Before Triggers; Validation Rules; After Triggers; Assignment Rules; Workflow Rules; Commit
- C. Validation Rules; Before Triggers; After Triggers; Assignment Rules; Workflow Rules; Commit
- D. Validation Rules; Before Triggers; After Triggers; Workflow Rules; Assignment Rules; Commit
Answer: B
NEW QUESTION 244
What is true of a partial sandbox that is not true of a full sandbox? Choose 2 answers
- A. Only includes necessary meta data
- B. Use of change sets
- C. More frequent refreshes
- D. Limited to 5 GB of data
Answer: C,D
NEW QUESTION 245
A developer is creating an enhancement to an application that will allow people to be related to their employer. Which data model provides the simplest solution to meet the requirements?
- A. Create a junction object to relate many people to many through master-detail relationship
- B. Create a lookup realtionship to indicate that a person has an employer
- C. Create a master-detail relationship to indicate that a person has an employer
- D. Create a junction object to relate many people to many through lookup relationship
Answer: C
NEW QUESTION 246
An Approval Process is defined in the Expense_Item__c. A business rule dictates that whenever a user changes the Status to 'Submitted' on an Expense_Report__c record, all the Expense_Item__c records related to the expense report must enter the approval process individually. Which approach should be used to ensure the business requirement is met?
- A. Create two Process Builder, one on Expense_Report__c to mark the related Expense_Item__c as submittable and the second on Expense_Item__c to submit the records for approval.
- B. Create a Process Builder on Expense_Report__c with a 'Submit for Approval' action type to submit all related Expense_Item__c records when the criteria is met.
- C. Create a Process Builder on Expense_Report__c with an 'Apex' action type to submit all related Expense_Item__c records when the criteria is met.
- D. Create a Process Builder on Expense_Report__c to mark the related Expense_Item__c as submittable and trigger on Expense_item__c to submit the records for approval.
Answer: A
NEW QUESTION 247
Which exception type cannot be caught ?
- A. NoAccessException
- B. A custom Exception
- C. CalloutException
- D. LimitException
Answer: D
NEW QUESTION 248
What is a valid Apex statement?
- A. Private static constant Double rate = 775;
- B. Account[] acctList = new List{new Account()}
- C. Integer w, x, y = 123, z = 'abc',
- D. Map conMap = (SELECT Name FROM Contact);
Answer: B
NEW QUESTION 249
Which two automation tools include a graphical designer? Choose 2 answers
- A. Flow builder
- B. Approvals
- C. Workflows
- D. Process builder
Answer: A,B
NEW QUESTION 250
A developer needs to find information about @future methods that were invoked. From which system monitoring feature can the developer see this information?
- A. Apex Jobs
- B. Scheduled jobs
- C. Background Jobs
- D. Asynchronous Jobs
Answer: A
NEW QUESTION 251
Which action can a developer take to reduce the execution time of the following code? List<account> allaccounts = [select id from account]; list<account> allcontacts = [select id, accountid from contact]; for (account a :allaccounts){ for (contact c:allcontacts){ if(c.accountid = a.id){ //do work } } }
- A. Use a map <id,contact> for allaccounts
- B. Create an apex helper class for the SOQL
- C. Put the account loop inside the contact loop
- D. Add a group by clause to the contact SOQL
Answer: A
NEW QUESTION 252
From which 2 locations can a developer determine the overall code coverage for a sandbox?
- A. The apex classes setup page
- B. The apex test execution page
- C. The test suite run panel of the developer console
- D. The tests tab of the developer console
Answer: A,D
NEW QUESTION 253
A developer is creating a Visualforce page that allows users to create multiple Opportunities. The developer is asked to verify the current user's default Opportunity record type, and set certain default values based on the record type before inserting the record. How can the developer find the current user's default record type?
- A. Create the opportunity and check the opportunity.recordType before inserting, which will have the record ID of the current user's default record type
- B. Use Opportunity.SObjectType.getDescribe().getRecordTypeInfos() to get a list of record types, and iterate trought them until isdefaultRecordTypeMapping() is true.
- C. Use the Schema.userInfo.Opportunity.getDefaultRecordType() method.
- D. Query the Profile where the ID equals userInfo.getProfileID() and then use the profile.Opportunity.getDefaultRecordType() method.
Answer: B
NEW QUESTION 254
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