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Salesforce Certified Platform Developer I Sample Questions (Q166-Q171):

NEW QUESTION # 166
A Visualforce page has a standard controller for an object that has a lookup relationship to a parent object.
How can a developer display data from the parent record on the page?

A. By using SOQL on the Visualforce page to query for data from the parent record.
B. By using merge field syntax to retrieve data from the parent record.
C. By using a roll-up formula field on the child record to include data from the parent record.
D. By adding a second standard controller to the page for the parent record.

Answer: B

NEW QUESTION # 167
Which type of code represents the view in the MVC architecture on the Force.com platform?

A. A visualforce page that dysplays information about case records by iterating over a list of cases
B. An apex method that executes SOQL to retrieve a list of cases
C. Validation rules for a page layout that includes a related list of cases
D. An apex method in an extension that returns a list of cases

Answer: A

NEW QUESTION # 168
Universal Container is building a recruiting app with an Applicant object that stores information about an individual person that represents a job. Each application may apply for more than one job.
What should a developer implement to represent that an applicant has applied for a job?

A. Formula field on Applicant that references Job
B. Master-detail field from Applicant to Job
C. Junction object between Applicant and Job
D. Lookup field from Applicant to Job

Answer: C

Explanation:
A junction object between Applicant and Job is the best way to represent that an applicant has applied for a job. A junction object is a custom object that has two master-detail relationships with two other objects. It allows you to create a many-to-many relationship between those objects. In this case, the junction object can store the information about the application, such as the date, status, and feedback, and link each applicant to one or more jobs, and each job to one or more applicants12.
References:
* 1: Relationships Among Objects
* 2: Cert Prep: Platform Developer I: Data Modeling and Management

NEW QUESTION # 169
What are three characteristics of change set deployments?
Choose 3 answers Sending a change set between two orgs requires a deployment connection.

A. Change sets can only be used between related organizations.
B. Sending a change set between two orgs requires a deployment connection.
C. Change sets can deploy custom settings data.
D. Deployment is done in a one-way, single transaction.
E. Change sets can be used to transfer records.

Answer: A,B,D

Explanation:
Change sets can only be used between related organizations:
Change sets require a relationship between the source and target Salesforce orgs, such as a production org and its sandboxes. You cannot use change sets between unrelated Salesforce orgs.
Reference:Salesforce Change Set Overview
Deployment is done in a one-way, single transaction:
When a change set is deployed, it is applied to the target org as a single transaction. If there are any errors in the deployment, the entire transaction is rolled back.
Reference:Apex Development Guide
Sending a change set between two orgs requires a deployment connection:
Before sending or deploying a change set, a deployment connection must be established between the source and target orgs. This connection is configured in the setup menu under "Deployment Connections." Reference:Trailhead: Deployment Connections Incorrect Options:
A: Change sets can deploy custom settings data:
Change sets cannot deploy data, including custom settings data. They only move metadata.
E: Change sets can be used to transfer records:
Records (data) are not supported by change sets; they only facilitate metadata migration.

NEW QUESTION # 170
A developer needs to have records with specific field values in order to test a new Apex class.
What should the developer do to ensure the data is available to the test?

A. Use SOQL to query the org for the required data.
B. Use Test.loadData < > and reference a CSV file in a static resource.
C. Use Test.loadData and reference a JSON file in Documents.
D. Use Anonymous Apex to create the required data.

Answer: B

Explanation:
The Test.loadData < > method inserts test records from the specified static resource .csv file and for the specified sObject type, and returns a list of the inserted sObjects1. The file contains field names and values for the test records. The first line of the file must contain the field names and subsequent lines are the field values. To learn more about static resources, see "Defining Static Resources" in the Salesforce online help2.
This method is useful for creating test data with specific field values without writing code. The other options are either incorrect or less efficient for this purpose. Anonymous Apex is a way to execute Apex code on demand in the Developer Console, but it is not a recommended way to create test data, as it is not part of the test class and may affect the org data3. SOQL is a query language that can retrieve data from the org, but it cannot create new data. Also, using SOQL to access existing data in a test class requires the @IsTest (SeeAllData=true) annotation, which is not a best practice, as it may cause test failures or unpredictable results4. Test.loadData does not support JSON files, only CSV files1. References:
* Test Class | Apex Reference Guide | Salesforce Developers
* Defining Static Resources | Salesforce Help
* Anonymous Apex | Apex Developer Guide | Salesforce Developers
* Isolation of Test Data from Organization Data in Unit Tests | Apex Developer Guide | Salesforce Developers

NEW QUESTION # 171
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Salesforce CRT-450 Latest Dumps Free, New CRT-450 Test Dumps

New CRT-450 Test Dumps, CRT-450 Reliable Exam Practice

Salesforce Certified Platform Developer I Sample Questions (Q166-Q171):