CSA Apex Programming 2

Question 1

Which Apex collection type automatically prevents duplicate values?

Accepted Answer

Set

Answer

A Set is an unordered collection that does not allow duplicate values.

Question 2

What does the 'with sharing' keyword enforce in an Apex class?

Accepted Answer

The current user's record-level sharing rules

Answer

'with sharing' enforces the running user's sharing rules so they cannot access records they don't have permission to see.

Question 3

How many DML statements can be executed in a single Apex transaction?

Accepted Answer

200

Answer

Salesforce allows up to 150 DML statements per Apex transaction.

Question 4

Which Apex method is used to convert a List to a Set to remove duplicates?

Accepted Answer

new Set<Id>(myList)

Answer

You can pass a List directly into a Set constructor (e.g., new Set<Id>(myList)) to eliminate duplicates.

Question 5

What is the correct syntax to query all Accounts in Apex?

Accepted Answer

[SELECT Id, Name FROM Account]

Answer

Inline SOQL in Apex uses square brackets and requires explicit field names — wildcards are not supported.

(CSA) Certified Salesforce Administrator Practice Test