Platform-Developer-I Free Practice Test

A developer is tasked to perform a security review of the ContactSearch Apex class that exists in the system. Whithin the class, the developer identifies the following method as a security threat: List performSearch(String lastName){ return Database.query('Select Id, FirstName, LastName FROM Contact WHERE LastName Like %'+lastName+'%); } What are two ways the developer can update the method to prevent a SOQL injection attack? Choose 2 answers

1. A. Use variable binding and replace the dynamic query with a static SOQL.
2. B. Use the escapeSingleQuote method to sanitize the parameter before its use.
3. C. Use a regular expression on the parameter to remove special characters.
4. D. Use the @Readonly annotation and the with sharing keyword on the class.

Correct Answer: AB

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?

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

Correct Answer: A

A developer must create a CreditcardPayment class that provides an implementation of an existing Payment class. Public virtual class Payment { public virtual void makePayment(Decimal amount) { /*implementation*/
} } Which is the correct implementation?

1. A. Public class CreditcardPayment extends Payment {public override void makePayment(Decimal amount) { /*implementation*/ }}
2. B. Public class CreditCardPayment implements Payment {public virtual void makePayment(Decimal amount) { /*implementation*/ }}
3. C. Public class CreditCardPayment extends Payment {public virtual void makePayment(Decimal amount) { /*implementation*/ }}
4. D. Public class CreditCardPayment implements Payment {public override void makePayment(Decimal amount) { /*Implementation*/ }}

Correct Answer: A

Which two settings must be defined in order to update a record of a junction object? Choose 2 answers

1. A. Read access on the primary relationship
2. B. Read/Write access on the secondary relationship
3. C. Read/Write access on the primary relationship
4. D. Read/Write access on the junction object

Correct Answer: BC

A developer created these three Rollup Summary fields in the custom object, Project__c:

The developer is asked to create a new field that shows the ratio between rejected and approved timesheets for a given project.
Which should the developer use to implement the business requirement in order to minimize maintenance overhead?

1. A. Record-triggered flow
2. B. Formula field
3. C. Apex trigger
4. D. Field Update actions

Correct Answer: B