2026–2027 | Amazon EC2, Serverless,
Containers & Cloud Computing
Certification Prep
1. Which AWS service provides resizable virtual servers in the cloud?
A. Amazon S3
B. Amazon EC2
C. Amazon RDS
D. Amazon Route 53
Answer: Amazon EC2
Rationale: Amazon EC2 provides resizable compute capacity through virtual
servers called instances. It allows customers to select instance types, operating
systems, storage, networking, and pricing models.
2. What is the primary benefit of Amazon EC2 Auto Scaling?
A. Automatically encrypting all EC2 volumes
B. Automatically adjusting the number of EC2 instances based on demand
,C. Converting EC2 instances into containers
D. Replacing Amazon VPC
Answer: Automatically adjusting the number of EC2 instances based on demand
Rationale: EC2 Auto Scaling can increase or decrease the number of instances
according to configured policies and demand, helping maintain availability
while controlling costs.
3. Which AWS service is designed to run containers without requiring
customers to manage servers?
A. Amazon EC2
B. AWS Lambda
C. AWS Fargate
D. Amazon EBS
Answer: AWS Fargate
Rationale: AWS Fargate is a serverless compute engine for containers. It works
with Amazon ECS and Amazon EKS and removes the need to provision and
manage the underlying servers.
4. Which AWS service executes code in response to events without requiring
customers to provision or manage servers?
A. Amazon EC2
B. AWS Lambda
C. Amazon Lightsail
D. AWS Batch
Answer: AWS Lambda
Rationale: AWS Lambda is a serverless, event-driven compute service that runs
code in response to events and manages the underlying compute infrastructure
automatically.
, 5. A company needs a simple virtual private server for a small web application
with predictable requirements. Which AWS service is designed to simplify
this type of deployment?
A. Amazon Lightsail
B. Amazon Redshift
C. Amazon DynamoDB
D. AWS Glue
Answer: Amazon Lightsail
Rationale: Amazon Lightsail provides simplified virtual private servers, storage,
networking, and other resources for applications that do not require the full
complexity of AWS infrastructure configuration.
6. Which EC2 purchasing option provides a discount in exchange for
committing to a consistent amount of compute usage for a one- or three-
year term?
A. On-Demand Instances
B. Reserved Instances
C. Spot Instances
D. Dedicated Hosts
Answer: Reserved Instances
Rationale: Reserved Instances provide discounted pricing compared with On-
Demand pricing when customers make a commitment for a specified term and
configuration.
7. Which EC2 purchasing option can provide significant discounts but may be
interrupted when AWS needs the capacity?
A. Reserved Instances
B. Dedicated Instances
C. Spot Instances
D. On-Demand Instances
, Answer: Spot Instances
Rationale: Spot Instances use spare AWS compute capacity at discounted prices.
AWS can reclaim this capacity, so Spot is best suited for interruption-tolerant
workloads.
8. Which EC2 pricing model is generally appropriate when a workload cannot
tolerate interruptions and has unpredictable usage?
A. Spot Instances
B. On-Demand Instances
C. Dedicated Hosts
D. Reserved Instances only
Answer: On-Demand Instances
Rationale: On-Demand Instances provide flexible compute capacity without a
long-term commitment and are suitable when workloads are unpredictable or
cannot tolerate interruption.
9. What does an Amazon Machine Image (AMI) provide?
A. A database schema
B. A template used to launch EC2 instances
C. A DNS zone
D. A container orchestration cluster
Answer: A template used to launch EC2 instances
Rationale: An AMI contains the information required to launch an EC2 instance,
including the operating system and potentially application software and
configuration.
10.Which EC2 component determines the CPU, memory, networking, and
other hardware characteristics available to an instance?
A. Security group
B. Instance type