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1). Explain the difference between S3 Standard, S3 Standard-Infrequent Access (IA), and One Zone-IA storage classes.?
A) Standard for frequent access, IA for infrequent access, One Zone-IA for lowest cost with reduced availability.
B) Standard for all data, IA for archival, One Zone-IA for temporary data.
C) Standard for high performance, IA for low cost, One Zone-IA for disaster recovery.
D) Standard for large objects, IA for small objects, One Zone-IA for compressed objects.
2). Describe the role of S3 Transfer Acceleration and when it should be used.?
A) Encrypts data, use for sensitive data.
B) Compresses data, use for large datasets.
C) Accelerates data transfer to and from S3, use for large data transfers over long distances.
D) Optimizes storage costs, use for infrequently accessed data.
3). What is S3 Cross-Region Replication (CRR) and when would you use it??
A) Replicates data within a region, use for high availability.
B) Replicates data across regions, use for disaster recovery.
C) Compresses data for storage, use for reducing storage costs.
D) Encrypts data at rest, use for security.
4). Explain the concept of S3 Event Notifications and provide an example use case.?
A) Triggers actions based on S3 object events, e.g., sending notifications for new object uploads.
B) Encrypts data at rest, e.g., protecting sensitive data.
C) Compresses data, e.g., reducing storage costs.
D) Accelerates data transfer, e.g., for large file uploads.
5). Describe the different types of S3 access control mechanisms and when to use each.?
A) Bucket policies for fine-grained control, ACLs for simple sharing.
B) Bucket policies for read-only access, ACLs for write access.
C) Bucket policies for internal users, ACLs for external users.
D) Bucket policies for object-level control, ACLs for bucket-level control.
6). What is S3 Object Lock and when would you use it??
A) Encrypts objects at rest, use for sensitive data.
B) Protects objects from deletion for a specified period, use for compliance or legal requirements.
C) Accelerates object retrieval, use for performance-critical applications.
D) Reduces storage costs, use for infrequently accessed data.
7). Explain the difference between S3 and EBS.?
A) S3 is object storage, EBS is block storage.
B) S3 is for cold storage, EBS is for hot storage.
C) S3 is for unstructured data, EBS is for structured data.
D) All of the above.
8). Describe how to optimize S3 storage costs for a large dataset with varying access patterns.?
A) Use a single storage class for all objects.
B) Utilize lifecycle management policies to transition objects between storage classes.
C) Disable versioning to reduce storage costs.
D) Delete old objects manually to save costs.
9). What are the key considerations for designing a highly available and fault-tolerant S3-based architecture??
A) Replication, redundancy, and error handling.
B) High network bandwidth and low latency.
C) Large object sizes and infrequent access.
D) Data compression and encryption.
10). How can you ensure data integrity and consistency in S3??
A) By using object locking.
B) By enabling versioning.
C) By using checksums and data validation.
D) All of the above.
11). What are the potential performance implications of using S3 for large-scale data processing workloads??
A) High latency and low throughput.
B) High cost and low reliability.
C) High network traffic and potential bottlenecks.
D) All of the above.
12). How can you optimize S3 performance for serving static website content??
A) Using S3 Transfer Acceleration.
B) Enabling S3 CORS.
C) Leveraging CloudFront for content distribution.
D) All of the above.
13). Describe the role of S3 Intelligent-Tiering storage class and when to use it.?
A) Automatically transitions objects between access patterns.
B) Provides the lowest cost storage option.
C) Is suitable for all types of data.
D) Offers the highest performance.
14). How can you implement data encryption at rest and in transit for S3 objects??
A) Using S3 Server-Side Encryption (SSE) and SSL/TLS.
B) Using client-side encryption only.
C) Relying on network security.
D) There is no need for encryption.
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