Exam CRT-450: Salesforce Certified Platform Developer I (SU18), exam CRT-450 exam dumps and learning materials
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NEW QUESTION: 1
A company wants a recruiting app that models candidates and interviews; displays the total
number of interviews on each candidate record; and defines security on interview records that is
independent from the security on candidate records. What would a developer do to accomplish this
task? Choose 2 answers
A. Create a trigger on the Interview object that updates a field on the Candidate object.
B. Create a lookup relationship between the Candidate and Interview objects.
C. Create a roll -up summary field on the Candidate object that counts Interview records.
D. Create a master -detail relationship between the Candidate and Interview objects.
Answer: A,B
NEW QUESTION: 2
A developer has a unit test that is failing. To identify the issue, the developer copies the code
inside the test method and executes it via the Execute Anonymous Apex Tool. The code then
executes without failing. Why did the unit test failed, but not the Execute Anonymous?
A. The test method has a syntax error in the code.
B. The test method relies on existing data in the database
C. The test method calls an @future method.
D. The test method use a try/catch block
Answer: B
NEW QUESTION: 3
A developer is creating an application to track engines and their parts. An individual part can
be used in different types of engines.What data model should be used to track the data and to
prevent orphan records?
A. Create a lookup relationship to represent how each part relates to the parent engine object.
B. Create a junction object to relate many engines to many parts through a master-detail relationshi
p
C. Create a master-detail relationship to represent the one-to-many model of engines to parts.
D. Create a junction object to relate many engines to many parts through a lookup relationship
Answer: B
NEW QUESTION: 4
A developer creates a method in an Apex class and needs to ensure that errors are handled
properly.What would the developer use? (There are three correct answers.)
A. ApexPages.addErrorMessage()
B. A custom exception
C. Database.handleException()
D. A try/catch construct
E. .addError()
Answer: B,D,E
NEW QUESTION: 5
What is a capability of the Force.com IDE? Choose 2 answers
A. Roll back deployments.
B. Edit metadata components.
C. Run Apex tests.
D. Download debug logs.
Answer: B,C
NEW QUESTION: 6
An sObject named Application_c has a lookup relationship to another sObject named
Position_c. Both Application _c and Position_c have a picklist field named Status_c.When the
Status_c field on Position_c is updated, the Status_c field on Application_c needs to be populated
automatically with the same value, and execute a workflow rule on Application_c.How can a
developer accomplish this?
A. By configuring a cross-object field update with a workflow.
B. By changing Application_c.Status_c into a roll -up summary field.
C. By changing Application_c.Status_c into a formula field.
D. By using an Apex trigger with a DML operation.
Answer: D
NEW QUESTION: 7
The Sales Management team hires a new intern. The intern is not allowed to view
Opportunities, but needs to see the Most Recent Closed Date of all child Opportunities when viewing
an Account record. What would a developer do to meet this requirement?
A. Create a formula field on the Account object that performs a MAX on the Opportunity Close Date
field.
B. Create a roll-up summary field on the Account object that performs a MAX on the Opportunity
Close Date field.
C. Create a trigger on the Account object that queries the Close Date of the most recent
Opportunities.
D. Create a Workflow rule on the Opportunity object that updates a field on the parent Account.
Answer: B
NEW QUESTION: 8
A developer wants to override a button using Visualforce on an object.
What is the requirement?
A. The standardController attribute must be set to the object.
B. The object record must be instantiated in a controller or extension.
C. The action attribute must be set to a controller method.
D. The controller or extension must have a PageReference method.
Answer: A
NEW QUESTION: 9
When would a developer use a custom controller instead of a controller extension? Choose 2
answers:
A. When a Visualforce page needs to replace the functionality of a standard controller.
B. When a Visualforce page needs to add new actions to a standard controller.
C. When a Visualforce page should not enforce permissions or field-level security.
D. When a Visualforce page does not reference a single primary object.
Answer: C,D
NEW QUESTION: 10
A developer needs to join data received from an integration with an external system with
parent records in Salesforce. The data set does not contain the Salesforce IDs of the parent records,
but it does have a foreign key attribute that can be used to identify the parent.
Which action will allow the developer to relate records in the data model without knowing the
Salesforce ID?
A. Create a custom field on the child object of type External Relationship.
B. Create a custom field on the child object of type Foreign Key.
C. Create and populate a custom field on the parent object marked as an External I
D. Create and populate a custom field on the parent object marked as Unique.
Answer: B
NEW QUESTION: 11
Which two number expression evaluate correctly? Choose 2 answers
A. Long I = 3.14159;
B. Double D =3.14159;
C. Decimal D = 3.14159;
D. Integer I = 3.14159;
Answer: B,C
NEW QUESTION: 12
An org has different Apex Classes that provide Account -related functionality.After a new
validation rule is added to the object, many of the test methods fail.What can be done to resolve the
failures and reduce the number of code changes needed for future validation rules?Choose 2
answers:
A. Create a method that performs a callout for a valid Account record, and call this method from
within test methods.
B. Create a method that loads valid Account records from a Static Resource, and call this method
within test methods.
C. Create a method that creates valid Account records, and call this method from within test
methods.
D. Create a method that queries for valid Account records, and call this method from within test
methods.
Answer: B,C
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