Practice EC2 Questions Now
Start a timed practice session focusing on Amazon Elastic Compute Cloud (EC2) topics from the CLF-C02 question bank.
Start CLF-C02 Practice Quiz →CLF-C02 EC2 Question Bank (39 Questions)
Browse all 39 practice questions covering Amazon Elastic Compute Cloud (EC2) for the CLF-C02 certification exam. Answers are intentionally hidden on this page so you can self-test first before checking results in quiz mode.
- Question 1Billing, Pricing and Support
Which AWS feature lets an organization view blended rates — averaging costs of Reserved and On-Demand instances across accounts?
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Start CLF-C02 Quiz - Question 2Cloud Technology and Services
Which feature of EC2 Auto Scaling launches new instances when CPU utilization exceeds 70% and terminates them when it drops below 30%?
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Start CLF-C02 Quiz - Question 3Billing, Pricing and Support
Which commitment-based pricing model provides savings on EC2, Lambda, and Fargate usage across all instance families and Regions?
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Start CLF-C02 Quiz - Question 4Billing, Pricing and Support
Which Compute Savings Plan provides maximum flexibility — discounts apply across EC2 instance families, sizes, OS, and Regions?
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Start CLF-C02 Quiz - Question 5Billing, Pricing and Support
Amazon EC2 Spot Instances are best suited for which type of workload?
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Start CLF-C02 Quiz - Question 6Billing, Pricing and Support
What does Consolidated Billing allow regarding Reserved Instance (RI) discounts in AWS Organizations?
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Start CLF-C02 Quiz - Question 7Billing, Pricing and Support
What happens to unused Reserved Instance capacity in an AWS Organizations consolidated billing account?
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Start CLF-C02 Quiz - Question 8Billing, Pricing and Support
What is a 'Convertible Reserved Instance' and how does it differ from a 'Standard Reserved Instance'?
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Start CLF-C02 Quiz - Question 9Billing, Pricing and Support
Which AWS service helps teams understand whether their Reserved Instance coverage is sufficient to maximize cost savings?
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Start CLF-C02 Quiz - Question 10Billing, Pricing and Support
Which Reserved Instance payment option offers the highest percentage discount?
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Start CLF-C02 Quiz - Question 11Security and Compliance
A company receives a notification that one of its EC2 instances may have been compromised. Which AWS service can automatically analyze the instance for threats and vulnerabilities?
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Start CLF-C02 Quiz - Question 12Security and Compliance
Which IAM feature allows an EC2 instance to call AWS APIs (e.g., S3) without storing credentials in the instance?
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Start CLF-C02 Quiz - Question 13Security and Compliance
Which service automatically scans EC2 instances and container images for software vulnerabilities (CVEs)?
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Start CLF-C02 Quiz - Question 14Cloud Technology and Services
Which EC2 pricing option requires a 1- or 3-year commitment but provides up to 72% discount vs On-Demand?
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Start CLF-C02 Quiz - Question 15Cloud Technology and Services
Which AWS storage service provides persistent block volumes that attach to a single EC2 instance like a virtual hard disk?
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Start CLF-C02 Quiz - Question 16Cloud Technology and Services
Which storage service provides a managed POSIX-compliant file system mountable by thousands of EC2 instances simultaneously?
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Start CLF-C02 Quiz - Question 17Cloud Technology and Services
Which service automatically adjusts the number of EC2 instances to maintain performance as demand changes?
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Start CLF-C02 Quiz - Question 18Cloud Technology and Services
Which AWS service is a fully managed platform for deploying web applications without managing EC2, load balancers, or Auto Scaling?
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Start CLF-C02 Quiz - Question 19Billing, Pricing and Support
Which EC2 pricing model requires a 1- or 3-year commitment and offers up to 72% discount compared to On-Demand?
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Start CLF-C02 Quiz - Question 20Billing, Pricing and Support
Which service uses ML to analyze workload utilization and recommend optimal EC2 instance types to reduce cost without sacrificing performance?
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Start CLF-C02 Quiz - Question 21Describe cloud concepts
An e-commerce company scales EC2 to 100 instances during the holiday season and scales back to 10 in January. This is an example of:
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Start CLF-C02 Quiz - Question 22Security and Compliance
Which of the following IAM entities is BEST suited for granting AWS permissions to an application running on an EC2 instance?
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Start CLF-C02 Quiz - Question 23Security and Compliance
Which AWS service scans EC2 instances for unintended network exposure and software vulnerabilities (CVEs) automatically?
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Start CLF-C02 Quiz - Question 24Cloud Technology and Services
Which EC2 instance purchasing option is best for a web server with consistent 24/7 traffic over the next 3 years?
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Start CLF-C02 Quiz - Question 25Cloud Technology and Services
Which AWS service runs containers without requiring you to provision, manage, or scale EC2 instances for the container fleet?
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Start CLF-C02 Quiz - Question 26Billing, Pricing and Support
Which service proactively notifies you about AWS scheduled maintenance events that could impact your EC2 instances?
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Start CLF-C02 Quiz - Question 27Billing, Pricing and Support
Which AWS service analyzes your usage to recommend right-sizing EC2 instances, Lambda memory, and EBS volume sizes?
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Start CLF-C02 Quiz - Question 28Billing, Pricing and Support
Which AWS pricing dimension applies when transferring data from an EC2 instance to the internet?
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Start CLF-C02 Quiz - Question 29Describe cloud concepts
Which Well-Architected pillar specifically focuses on right-sizing EC2 instances and selecting the most cost-effective storage tier?
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Start CLF-C02 Quiz - Question 30Security and Compliance
Which AWS security service is best for detecting cryptocurrency mining activity on EC2 instances using anomalous network patterns?
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Start CLF-C02 Quiz - Question 31Security and Compliance
Which AWS feature can restrict an entire AWS Organization from launching EC2 instances in unapproved Regions?
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Start CLF-C02 Quiz - Question 32Cloud Technology and Services
Which EC2 feature lets you run heterogeneous workloads (different instance types, purchase options) in the same cluster to reduce cost while meeting capacity?
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Start CLF-C02 Quiz - Question 33Cloud Technology and Services
Which AWS service helps you migrate an on-premises VMware environment to AWS, converting VMs to EC2 instances?
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Start CLF-C02 Quiz - Question 34Billing, Pricing and Support
Which factor does NOT typically affect the AWS pricing of an EC2 instance?
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Start CLF-C02 Quiz - Question 35Billing, Pricing and Support
Which pricing model lets AWS customers save up to 66% over On-Demand on EC2, Lambda, and Fargate by committing to a $/hour spend for 1 or 3 years?
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Start CLF-C02 Quiz - Question 36Security and Compliance
What is the AWS recommended practice for long-term credentials (access keys) on EC2 instances?
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Start CLF-C02 Quiz - Question 37Cloud Technology and Services
Which Amazon EC2 feature lets you define startup scripts that run when an instance launches (e.g., install software, configure settings)?
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Start CLF-C02 Quiz - Question 38Billing, Pricing and Support
Which AWS tool provides real-time guidance for reducing EC2 costs by identifying instances with low utilization over the past 14 days?
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Start CLF-C02 Quiz - Question 39Billing, Pricing and Support
Which pricing dimension is applied when data is transferred BETWEEN two EC2 instances in DIFFERENT Availability Zones?
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Key EC2 Concepts for CLF-C02
CLF-C02 EC2 Exam Tips
Amazon Elastic Compute Cloud (EC2) questions in CLF-C02 are typically scenario-based. Focus on core cloud concepts, shared responsibility, and AWS service purpose matching. Priority concepts: ec2, instance, virtual server, ami, security group, auto scaling.
What CLF-C02 Expects
- Anchor your answer in pick the simplest accurate service answer and avoid over-engineering.
- EC2 scenarios for CLF-C02 are frequently mapped to Domain 3 (34%), Domain 4 (12%), so read the objective carefully before picking controls or architecture.
- Expect multi-topic scenarios where EC2 interacts with IAM, networking, storage, or observability patterns rather than appearing as an isolated question.
- When two options are both technically valid, prefer the choice that best aligns with the exam's operational scope (Foundational) and vendor best practices.
High-Value EC2 Concepts
- Know the core EC2 building blocks cold: ec2, instance, virtual server, ami.
- Review the edge-case features and limits for security group, auto scaling; these details are commonly used to differentiate answer choices.
- Practice service-integration reasoning: how EC2 pairs with Compute, VPC, Pricing & Billing in real deployment patterns.
- For CLF-C02, explain why the chosen EC2 design meets reliability, security, and cost expectations better than the alternatives.
Common CLF-C02 Traps
- Watch for mixing up customer vs AWS responsibilities.
- Questions in Cloud Technology and Services often include distractors that look correct for EC2 but violate least-privilege, durability, or availability requirements.
- Avoid picking options purely by feature name; validate data path, failure handling, and governance impact before answering.
- If the prompt hints at automation or repeatability, eliminate manual-only operational answers first.
Fast Review Checklist
- Can you compare at least two EC2 implementation paths and justify which one best fits the scenario?
- Can you map the chosen answer back to Cloud Technology and Services (34%) outcomes for CLF-C02?
- Can you explain security and access boundaries for EC2 without relying on default-open assumptions?
- Can you describe how EC2 integrates with Compute and VPC during failure, scaling, and monitoring events?