AWS CLF-C02 Storage Exam Questions
2026–2027 | Amazon S3, EBS, EFS &
Cloud Storage Certification Prep
1. A company needs object storage for large amounts of unstructured data
with high durability and virtually unlimited scalability. Which AWS service is
most appropriate?
A. Amazon EBS
B. Amazon EFS
C. Amazon S3
D. Amazon FSx for Windows File Server
Answer: C. Amazon S3
Rationale: Amazon S3 is an object storage service designed for highly durable,
scalable storage of virtually unlimited amounts of unstructured data.
2. Which Amazon S3 storage class is generally designed for frequently
accessed objects?
A. S3 Glacier Deep Archive
B. S3 Standard
,C. S3 Glacier Flexible Retrieval
D. S3 One Zone-IA
Answer: B. S3 Standard
Rationale: S3 Standard is designed for frequently accessed data and provides
low-latency access with high durability and availability.
3. A company stores data that is accessed infrequently but must remain
immediately available when requested. Which S3 storage class is most
appropriate?
A. S3 Standard-IA
B. S3 Glacier Deep Archive
C. S3 Glacier Flexible Retrieval
D. S3 One Zone-IA
Answer: A. S3 Standard-IA
Rationale: S3 Standard-IA is designed for infrequently accessed data that still
requires rapid access when needed.
4. Which AWS storage service provides block-level storage volumes primarily
for Amazon EC2 instances?
A. Amazon S3
B. Amazon EBS
C. Amazon EFS
D. Amazon FSx
Answer: B. Amazon EBS
Rationale: Amazon Elastic Block Store (EBS) provides persistent block storage
volumes that can be attached to EC2 instances.
5. An application running on several Linux EC2 instances needs to access the
same files concurrently. Which service is most appropriate?
,A. Amazon EBS
B. Amazon S3 Glacier
C. Amazon EFS
D. Instance store
Answer: C. Amazon EFS
Rationale: Amazon Elastic File System provides shared, elastic file storage that
can be mounted concurrently by multiple compute resources.
6. Which AWS service provides temporary block-level storage physically
associated with an EC2 host?
A. Amazon S3
B. Amazon EBS
C. EC2 instance store
D. Amazon EFS
Answer: C. EC2 instance store
Rationale: Instance store provides temporary block storage located on disks
physically attached to the host computer. Its data is lost when the associated
instance is stopped, hibernated, or terminated, depending on the instance
lifecycle.
7. A company wants to archive compliance records that may rarely be
accessed and can tolerate retrieval times of hours. Which storage class is
most suitable?
A. S3 Standard
B. S3 Standard-IA
C. S3 Glacier Deep Archive
D. S3 Express One Zone
Answer: C. S3 Glacier Deep Archive
Rationale: S3 Glacier Deep Archive is designed for long-term archival data with
very infrequent access and the lowest-cost S3 archival storage option.
, 8. Which S3 feature can automatically transition objects between storage
classes based on predefined rules?
A. S3 Versioning
B. S3 Lifecycle
C. S3 Object Lock
D. S3 Inventory
Answer: B. S3 Lifecycle
Rationale: S3 Lifecycle rules can automatically transition objects to different
storage classes or expire objects according to defined policies.
9. A company wants to protect objects from accidental deletion or overwriting
by maintaining multiple versions. Which feature should it enable?
A. S3 Versioning
B. S3 Lifecycle
C. S3 Transfer Acceleration
D. S3 Select
Answer: A. S3 Versioning
Rationale: S3 Versioning preserves multiple versions of an object, helping
recover data from accidental deletion or overwriting.
10.Which S3 storage class is designed for data that is infrequently accessed
and stored redundantly across multiple Availability Zones?
A. S3 One Zone-IA
B. S3 Standard-IA
C. S3 Glacier Deep Archive
D. S3 Express One Zone
Answer: B. S3 Standard-IA
Rationale: S3 Standard-IA stores data redundantly across multiple Availability
Zones while offering lower storage costs for infrequently accessed data.
2026–2027 | Amazon S3, EBS, EFS &
Cloud Storage Certification Prep
1. A company needs object storage for large amounts of unstructured data
with high durability and virtually unlimited scalability. Which AWS service is
most appropriate?
A. Amazon EBS
B. Amazon EFS
C. Amazon S3
D. Amazon FSx for Windows File Server
Answer: C. Amazon S3
Rationale: Amazon S3 is an object storage service designed for highly durable,
scalable storage of virtually unlimited amounts of unstructured data.
2. Which Amazon S3 storage class is generally designed for frequently
accessed objects?
A. S3 Glacier Deep Archive
B. S3 Standard
,C. S3 Glacier Flexible Retrieval
D. S3 One Zone-IA
Answer: B. S3 Standard
Rationale: S3 Standard is designed for frequently accessed data and provides
low-latency access with high durability and availability.
3. A company stores data that is accessed infrequently but must remain
immediately available when requested. Which S3 storage class is most
appropriate?
A. S3 Standard-IA
B. S3 Glacier Deep Archive
C. S3 Glacier Flexible Retrieval
D. S3 One Zone-IA
Answer: A. S3 Standard-IA
Rationale: S3 Standard-IA is designed for infrequently accessed data that still
requires rapid access when needed.
4. Which AWS storage service provides block-level storage volumes primarily
for Amazon EC2 instances?
A. Amazon S3
B. Amazon EBS
C. Amazon EFS
D. Amazon FSx
Answer: B. Amazon EBS
Rationale: Amazon Elastic Block Store (EBS) provides persistent block storage
volumes that can be attached to EC2 instances.
5. An application running on several Linux EC2 instances needs to access the
same files concurrently. Which service is most appropriate?
,A. Amazon EBS
B. Amazon S3 Glacier
C. Amazon EFS
D. Instance store
Answer: C. Amazon EFS
Rationale: Amazon Elastic File System provides shared, elastic file storage that
can be mounted concurrently by multiple compute resources.
6. Which AWS service provides temporary block-level storage physically
associated with an EC2 host?
A. Amazon S3
B. Amazon EBS
C. EC2 instance store
D. Amazon EFS
Answer: C. EC2 instance store
Rationale: Instance store provides temporary block storage located on disks
physically attached to the host computer. Its data is lost when the associated
instance is stopped, hibernated, or terminated, depending on the instance
lifecycle.
7. A company wants to archive compliance records that may rarely be
accessed and can tolerate retrieval times of hours. Which storage class is
most suitable?
A. S3 Standard
B. S3 Standard-IA
C. S3 Glacier Deep Archive
D. S3 Express One Zone
Answer: C. S3 Glacier Deep Archive
Rationale: S3 Glacier Deep Archive is designed for long-term archival data with
very infrequent access and the lowest-cost S3 archival storage option.
, 8. Which S3 feature can automatically transition objects between storage
classes based on predefined rules?
A. S3 Versioning
B. S3 Lifecycle
C. S3 Object Lock
D. S3 Inventory
Answer: B. S3 Lifecycle
Rationale: S3 Lifecycle rules can automatically transition objects to different
storage classes or expire objects according to defined policies.
9. A company wants to protect objects from accidental deletion or overwriting
by maintaining multiple versions. Which feature should it enable?
A. S3 Versioning
B. S3 Lifecycle
C. S3 Transfer Acceleration
D. S3 Select
Answer: A. S3 Versioning
Rationale: S3 Versioning preserves multiple versions of an object, helping
recover data from accidental deletion or overwriting.
10.Which S3 storage class is designed for data that is infrequently accessed
and stored redundantly across multiple Availability Zones?
A. S3 One Zone-IA
B. S3 Standard-IA
C. S3 Glacier Deep Archive
D. S3 Express One Zone
Answer: B. S3 Standard-IA
Rationale: S3 Standard-IA stores data redundantly across multiple Availability
Zones while offering lower storage costs for infrequently accessed data.
