SALESFORCE-PD1 Developer Fundamentals Practice Test 5 — 15 Questions

Question 1

A developer needs to query all Contact records, including those that have been moved to the Recycle Bin. Which SOQL keyword should be used?

Accepted Answer

ALL ROWS. The ALL ROWS clause in SOQL allows queries to return deleted records (from the Recycle Bin) as well as archived tasks and events.

Answer

WITH RECYCLE_BIN

Answer

SYSTEM MODE

Answer

INCLUDE DELETED

Question 2

A developer is writing a SOQL query to find accounts where the billing country starts with 'United'. Which operator should be used?

Accepted Answer

LIKE 'United%'. The LIKE operator is used in SOQL for wildcard matching, using '%' as the wildcard character.

Answer

MATCHES

Answer

STARTS_WITH

Answer

INCLUDES

Question 3

A developer needs to implement a custom logging framework. Which Apex data type should be used to represent a variable that can store any primitive value, sObject, or collection dynamically?

Accepted Answer

Object. The Object data type is the base data type in Apex and can hold any value, including primitives, sObjects, and collections.

Answer

Any

Answer

Variant

Answer

Dynamic

Question 4

An application has complex business logic where an Apex class called from a trigger needs to know whether it was invoked from an insert or update trigger context. How can the developer determine this?

Accepted Answer

Check Trigger.isInsert and Trigger.isUpdate boolean variables.. Trigger.isInsert and Trigger.isUpdate context variables indicate whether the current trigger execution was caused by an insert or update operation.

Answer

Query the Audit Trail object for the active transaction ID.

Answer

Check if Trigger.old is null; if null, it is always an update.

Answer

Inspect the exception stack trace using System.debug().

Question 5

A developer needs to execute a dynamic SOQL query where the object name and fields are determined at runtime. Which method should be used?

Accepted Answer

Database.query(). Database.query() allows execution of dynamically constructed SOQL query strings.

Answer

Record.query()

Answer

System.query()

Answer

SOQL.query()

Question 6

A developer writes a SOQL query to aggregate total opportunity amounts grouped by stage name. Which SOQL clause is required?

Accepted Answer

GROUP BY. Aggregate queries in SOQL require the GROUP BY clause when using functions like SUM(), COUNT(), or AVG().

Answer

HAVING BY

Answer

AGGREGATE BY

Answer

ORDER BY

Question 7

Which tool or feature in Salesforce Developer Console allows a developer to inspect debug logs and filter them by category and level?

Accepted Answer

Log Inspector. The Logs tab in the Developer Console displays execution logs, and Log Inspector provides detailed analysis tools.

Answer

Checkpoints

Answer

Query Editor

Answer

Anonymous Apex

Question 8

What is the correct file extension for an Apex class created in Salesforce DX?

Accepted Answer

.cls. Apex class files use the .cls extension, accompanied by a .cls-meta.xml metadata file.

Answer

.apex

Answer

.controller

Answer

.trigger

Question 9

Which SOQL aggregate function should a developer use to count the exact number of rows returned by a query without retrieving the records into memory?

Accepted Answer

COUNT(). The COUNT() function returns the number of rows matching the query criteria efficiently as an integer.

Answer

TOTAL()

Answer

SUM()

Answer

SIZE()

Question 10

A developer is writing a batch Apex class. During the execute method, a record fails validation. The developer wants to ensure that successfully processed records in the same batch are committed while failing records are logged without aborting the entire batch. How should the DML be performed?

Accepted Answer

Database.insert(records, false). Using Database.insert(records, false) performs partial DML success, allowing valid records to commit while returning an array of save results for error handling.

Answer

try-catch block around a standard insert statement

Answer

Database.upsert(records, true)

Answer

Standard insert statement (e.g., insert records;)

Question 11

An Apex trigger invokes a helper method that performs a DML operation, but the developer wants to establish a rollback point so that prior changes can be reverted if a subsequent error occurs. Which feature should be used?

Accepted Answer

Database.Savepoint sp = Database.setSavepoint();. Database.setSavepoint() creates a savepoint, and Database.rollback() rolls back changes to that savepoint.

Answer

Approval.lock()

Answer

System.createCheckpoint()

Answer

Database.beginTransaction()

Question 12

A developer needs to convert a String variable containing a numeric value into an Integer in Apex. Which method should be used?

Accepted Answer

Integer.valueOf(). Integer.valueOf() converts a String representation of a number into an Integer primitive.

Answer

String.toInteger()

Answer

Convert.toInteger()

Answer

Integer.parse()

Question 13

Which collection type in Apex stores elements as key-value pairs where each key maps to a single value?

Accepted Answer

Map. A Map stores key-value pairs where each unique key maps to a single value.

Answer

Set

Answer

Queue

Answer

List

Question 14

Which TWO types of triggers can be defined in Apex? Choose 2 options.

Accepted Answer

after trigger. In Apex, the two supported trigger types are before triggers (option D) and after triggers (option A). A before trigger fires before records are saved to the database and is used to validate or modify field values on the incoming records, while an after trigger fires after records are committed and is used to access system-set fields like Id or to perform related-record DML. Apex does not support instead of triggers (option B), which exist in T-SQL for views; commit triggers (option C) are not an Apex construct; and validation triggers (option E) are not a trigger type—validation is handled by before triggers or validation rules.

Answer

instead of trigger

Answer

commit trigger

Answer

validation trigger

Question 15

Which TWO primitive data types are natively supported in Apex? Choose 2 options.

Accepted Answer

Integer. Option D (Integer) is correct because Apex natively supports Integer as a 32-bit signed whole-number primitive type, declared directly as 'Integer i = 5;'. Option E (Boolean) is correct because Apex natively supports Boolean as a primitive type holding only true or false, declared as 'Boolean b = true;'. The unmarked options do not belong: Apex has no 'Char' primitive (single characters are handled with the String type), 'Structure' is not an Apex data type (it is a C/C++-style construct), and 'Array' is not a primitive in Apex—ordered collections are created as Lists (e.g., 'List<Integer>'), which are objects rather than primitives.

Answer

Char

Answer

Structure

Answer

Array