SALESFORCE-PD1 Developer Fundamentals Practice Test 2 — 15 Questions

Question 1

A developer needs to update 5,000 Account records and wants to ensure that if any single record fails validation, none of the records are committed to the database. Which method should be used?

Accepted Answer

Database.save(acctList, true). Standard DML statements (like 'update acctList;') are all-or-nothing by default, but to process 5,000 records, the Database.update() method with allOrNone set to true (Database.update(acctList, true)) is the standard programmatic approach to handle collections of records while strictly enforcing the all-or-nothing requirement. Furthermore, options A and C use 'save()', which is not a valid Apex DML method on a list (it is 'Database.insert' or 'Database.update'). Alternatively, the all-or-nothing behavior can be explicitly achieved using Database.update(acctList, true). Let's fix C as the correct option.

Answer

acctList.save()

Answer

Database.update(acctList, false)

Answer

update acctList;

Question 2

What is the maximum number of SOQL queries that can be issued in a single synchronous Apex transaction?

Accepted Answer

100. The synchronous governor limit for SOQL queries is 100.

Answer

200

Answer

50000

Answer

50

Question 3

An Apex transaction performs a DML operation, followed by a callout to an external REST API, followed by another DML operation. What exception will Salesforce throw?

Accepted Answer

CalloutException. Salesforce throws a CalloutException when a DML operation has occurred before a callout in the same transaction, to prevent database locks.

Answer

AsyncException

Answer

LimitException

Answer

SystemException

Question 4

Which Salesforce data model relationship type allows two objects to have a many-to-many relationship through a junction object?

Accepted Answer

Master-Detail Relationship. Master-Detail relationships on a junction object pointing to two parent objects establish a many-to-many relationship.

Answer

Hierarchical Relationship

Answer

Lookup Relationship

Answer

External Relationship

Question 5

A developer needs to determine if the current user has delete permissions on the Opportunity object in Apex before calling a deletion method. Which method should be used?

Accepted Answer

Schema.sObjectType.Opportunity.isDeletable(). Schema.sObjectType.Opportunity.isDeletable() checks if the current user has delete permission on the Opportunity object.

Answer

User.hasPermission('Opportunity', 'Delete')

Answer

System.hasDeleteAccess(Opportunity.class)

Answer

Opportunity.sObjectType.getDescribe().isDeletable()

Question 6

A developer needs to convert a string variable containing an alphanumeric Salesforce ID into an ID primitive data type. Which approach is valid in Apex?

Accepted Answer

Id myId = myString;. Passing a string to the Id constructor (Id myId = (Id)myString; or Id myId = myString;) automatically casts or converts valid string IDs to the Id type.

Answer

Id myId = String.toId(myString);

Answer

Id myId = Id.valueOf(myString);

Answer

Id myId = Integer.valueOf(myString);

Question 7

What is the return type of a SOQL query that returns a single aggregate result, such as SELECT COUNT() FROM Account?

Accepted Answer

Integer. A SOQL query using COUNT() without a GROUP BY clause returns an Integer representing the row count.

Answer

AggregateResult

Answer

Decimal

Answer

List<SObject>

Question 8

An application has a requirement to query records owned by subordinate users in the role hierarchy using Apex. Which SOQL feature supports this capability?

Accepted Answer

USING SCOPE subordinate. To query records owned by users below the current user in the role hierarchy, developers use the 'USER_MODE' or 'USING SCOPE' clause, or more specifically, the 'WITH' clause with 'data category' or standard sharing, but for role hierarchy specifically, the correct Salesforce SOQL feature is the 'USING SCOPE' clause with the 'subordinate' parameter (or running in 'with sharing' where ownership is implicitly handled). Wait, option C says 'USING SCOPE subordinate', which is a valid SOQL feature for scoping queries to users below the current user in the forecasting/territory/role hierarchy depending on the object. Actually, let's fix the correct option and explanation to match standard Salesforce architecture: USING SCOPE subordinate is the correct SOQL feature.

Answer

SELECT Hierarchy FROM User

Answer

Executing queries in 'with sharing' context where sharing rules grant access via role hierarchy

Answer

WITH ROLE HIERARCHY

Question 9

Which TWO collections are valid in Apex and maintain the insertion order of their elements? Choose 2 answers.

Accepted Answer

List. In Salesforce Apex, a List maintains the insertion order of its elements, and a Queue (which is a FIFO data structure implemented as a List in Apex) also maintains insertion order. Sets do not guarantee order, and standard Maps do not guarantee key order for iteration in the same way a List does.

Answer

TreeSet

Answer

Set

Answer

Map

Question 10

Which THREE actions can a developer take to optimize SOSL query performance and adhere to best practices? Choose 3 answers.

Accepted Answer

Target specific fields (e.g., EMAIL FIELDS) rather than searching ALL FIELDS.. Option B is correct because restricting a SOSL search to specific fields (for example, using the EMAIL FIELDS or NAME FIELDS clause instead of ALL FIELDS) narrows the search scope, reduces the amount of text indexed and scanned, and returns results faster. Option D is correct because specifying the target sObject in the FIND clause and listing only the needed fields in the RETURNING clause minimizes the data transferred and processed, which is a documented SOSL best practice. Option E is correct because applying logical operators such as AND and OR in the search term filters results at the search layer, reducing the number of records returned and the subsequent processing overhead. Option A is not appropriate because leading wildcards in SOSL are inefficient and generally discouraged, as they prevent the search engine from using indexes effectively. Option C is not appropriate because executing SOSL inside a tight for-loop over large data sets violates governor limits and best practices, causing poor performance and potential limit exceptions.

Answer

Use leading wildcards (e.g., '*Smith') to broaden search flexibility.

Answer

Execute SOSL inside a tight for-loop over large data sets.

Question 11

Which THREE operations will cause an immediate transaction rollback or DML failure when utilizing standard DML statements in Apex? Choose 3 answers.

Accepted Answer

A record failing a validation rule triggered by the DML operation.. Standard DML statements (like insert, update) are atomic by default; if any record fails a validation rule (A) or encounters a record.addError() call in a trigger (D), the entire transaction is rolled back unless handled. Exceeding a governor limit such as the heap size (E) results in a fatal runtime exception that immediately terminates the transaction and rolls back all database changes. Option B describes an invalid scenario, and Option C explicitly prevents transaction-wide failure by using partial success (allOrNone = false).

Answer

Updating a record that has already been committed in the database.

Answer

Using the Database.insert(list, false) method with a failing record.

Question 12

Which TWO tools or features are part of the Model-View-Controller (MVC) architecture implementation in Salesforce declarative and programmatic development? Choose 2 answers.

Accepted Answer

Lightning Web Components and Visualforce pages. In the Salesforce MVC architecture, the Model is represented by the database schema (Custom Objects/Fields), the View is represented by the UI layer (Lightning Web Components/Visualforce), and the Controller is represented by Apex classes and controllers that handle the business logic and data manipulation.

Answer

Profiles and Permission Sets

Answer

Salesforce Sharing Rules

Answer

Governor Limits

Question 13

Which TWO statements are true regarding the Salesforce security model and Apex execution context? Choose 2 answers.

Accepted Answer

Apex code runs in system mode by default, ignoring object and field-level permissions.. Option A is correct because Apex executes in system mode by default, meaning it bypasses object-level and field-level permission checks (CRUD/FLS) for the running user unless the code explicitly enforces them (e.g., via WITH SECURITY_ENFORCED, stripInaccessible, or schema describe calls). Option D is correct because declaring a class or method 'with sharing' makes Apex respect the organization's record-level sharing rules (OWD, role hierarchy, sharing rules, manual shares) for the running user, which is not the default behavior. Option B is incorrect because system mode does not ignore record-level sharing rules entirely—sharing is governed separately by the with/without sharing declaration, and system mode primarily concerns object/field permissions and user permissions. Option C is incorrect because Apex does not automatically enforce sharing rules; the default is 'without sharing' behavior unless 'with sharing' is specified. Option E is incorrect because profile permissions do not override Apex system mode; system mode runs regardless of the user's profile permissions, and sharing is controlled by the sharing keyword, not the profile.

Answer

System mode ignores record-level sharing rules and user permissions entirely.

Answer

Apex code automatically enforces sharing rules unless declared 'without sharing'.

Answer

Profile permissions always override Apex system mode execution.

Question 14

A developer needs to write an Apex trigger that fires before an Account is inserted and accesses the value of the custom field 'Rating__c'. Which collection type is best suited to iterate over the incoming records in the trigger context variable?

Accepted Answer

List<Account>. Trigger.new provides a List of sObjects, making a standard List or for-loop iteration the correct approach for handling trigger context records.

Answer

Account[]

Answer

Set<Account>

Answer

Map<Id, Account>

Question 15

A developer has written an Apex method that executes a SOQL query to retrieve all Contacts associated with an Account. The method needs to be invoked securely without bypassing the user's organization-wide defaults and sharing settings. How should the developer execute this query?

Accepted Answer

Define the class using the 'with sharing' keyword.. By default, Apex code runs in system mode, which does not respect organization-wide defaults, role hierarchies, or sharing rules. To ensure that the execution respects the user's sharing settings, the class must be defined using the 'with sharing' keyword.

Answer

Include the 'WITH SECURITY_ENFORCED' clause in the SOQL query.

Answer

Execute the query within a @future method.

Answer

Use the Schema.describeSObjects method before querying.