SALESFORCE-PD1 Process Automation And Logic Practice Question
An enterprise application requires nightly execution of an Apex class that processes records across multiple objects. Which interface must the Apex class implement?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Schedulable
To schedule an Apex job, the class must implement the Schedulable interface, specifically the execute(SchedulableContext sc) method.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Database.AllowsCallouts
Why it's wrong here
AllowsCallouts enables HTTP callouts in asynchronous contexts, not scheduling.
- ✓
Schedulable
Why this is correct
The Schedulable interface allows classes to be run at scheduled intervals using Cron expressions.
- ✗
Batchable
Why it's wrong here
Batchable is used for chunking large datasets, but the entry point for scheduling is Schedulable.
- ✓
Queueable
Why this is correct
Queueable is for asynchronous execution, but scheduling requires Schedulable.
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Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed August 2026 · checked against the official Salesforce exam blueprint
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