MCQs on S3 Storage Classes and Lifecycle Management | Amazon AWS S3

Amazon S3 (Simple Storage Service) offers a range of storage classes tailored to meet diverse use cases, from frequently accessed data to archival needs. Understanding S3 storage classes and implementing lifecycle policies can optimize costs by transitioning data between storage classes based on access patterns. Let’s dive into some essential concepts through 30 MCQs.

Topic 1: Overview of S3 Storage Classes (10 Questions)

1. Which S3 storage class is designed for frequently accessed data with low latency and high durability?
   a) S3 Glacier
   b) S3 Standard
   c) S3 Intelligent-Tiering
   d) S3 One Zone-IA
2. What is the primary benefit of using S3 Intelligent-Tiering?
   a) Automatic data retrieval cost optimization
   b) Automatic movement of data based on access patterns
   c) Faster data transfer speeds
   d) Single availability zone storage
3. Which S3 storage class is most suitable for data that is accessed less frequently but requires rapid retrieval?
   a) S3 Glacier Deep Archive
   b) S3 Standard-IA
   c) S3 Intelligent-Tiering
   d) S3 Standard
4. What is the minimum storage duration for data stored in S3 Glacier Deep Archive?
   a) 30 days
   b) 90 days
   c) 180 days
   d) 365 days
5. Which storage class offers the lowest cost for long-term archival data?
   a) S3 Glacier
   b) S3 Standard
   c) S3 Standard-IA
   d) S3 Glacier Deep Archive
6. What is a key feature of the S3 One Zone-IA storage class?
   a) High availability across multiple regions
   b) Data stored in a single availability zone
   c) Automatic data movement across classes
   d) Optimized for machine learning
7. Which S3 storage class is ideal for unpredictable access patterns?
   a) S3 Standard
   b) S3 Glacier
   c) S3 Intelligent-Tiering
   d) S3 Standard-IA
8. How many availability zones does S3 Standard storage span?
   a) One
   b) Two
   c) Three or more
   d) Five
9. What is the retrieval time for data stored in S3 Glacier Instant Retrieval?
   a) Milliseconds
   b) Minutes
   c) Hours
   d) Days
10. Which storage class is designed for frequently changing data?
    a) S3 Standard
    b) S3 Intelligent-Tiering
    c) S3 One Zone-IA
    d) S3 Glacier Deep Archive

Topic 2: Data Lifecycle Policies for Cost Optimization (10 Questions)

11. What is the primary purpose of S3 lifecycle policies?
    a) Improve data encryption
    b) Reduce operational overhead
    c) Optimize storage costs by automating transitions
    d) Increase data redundancy
12. Which lifecycle action is used to delete data automatically after a specified time?
    a) Expiration
    b) Transition
    c) Deletion marker
    d) Tiering
13. At what minimum interval can lifecycle transitions be applied to objects?
    a) 7 days
    b) 30 days
    c) 60 days
    d) 90 days
14. Which configuration in lifecycle rules allows specific objects to bypass transitions?
    a) Exclusions
    b) Prefix matching
    c) Intelligent-Tiering
    d) Policy exclusions
15. What happens to objects in S3 when an expiration rule is applied?
    a) They are moved to Glacier storage
    b) They are deleted permanently
    c) They are archived in S3 Intelligent-Tiering
    d) They are moved to the recycle bin
16. What is a key benefit of lifecycle policies in a data-heavy organization?
    a) Increase the speed of data retrieval
    b) Reduce monthly storage bills
    c) Ensure higher durability of data
    d) Enable faster replication across regions
17. Which of the following actions cannot be defined in an S3 lifecycle policy?
    a) Transition to S3 Standard-IA
    b) Transition to S3 Glacier
    c) Immediate data replication
    d) Object expiration
18. Can you specify different lifecycle rules for different prefixes in the same S3 bucket?
    a) Yes, using prefix-based rules
    b) No, all objects in the bucket follow the same rule
    c) Yes, but only for Intelligent-Tiering
    d) No, rules cannot be customized
19. What is the minimum time data must reside in S3 Standard before transitioning to Standard-IA using lifecycle policies?
    a) 30 days
    b) 60 days
    c) 90 days
    d) 180 days
20. Lifecycle policies can be applied to which of the following?
    a) Specific files only
    b) Specific object prefixes
    c) Buckets only
    d) Subfolders within buckets

Topic 3: Transitioning Between Storage Classes (10 Questions)

21. Which AWS feature enables automatic data movement between storage classes?
    a) Storage Gateway
    b) Lifecycle Management
    c) CloudFront Caching
    d) CloudTrail
22. What is required to transition data from S3 Standard to S3 Glacier?
    a) Manual intervention
    b) Lifecycle policies
    c) Data replication policies
    d) Cross-region replication
23. Which S3 storage class supports automatic movement without user-defined policies?
    a) S3 Standard
    b) S3 Glacier
    c) S3 Intelligent-Tiering
    d) S3 Standard-IA
24. What is the typical access pattern analyzed by Intelligent-Tiering?
    a) Weekly
    b) Daily
    c) Monthly
    d) Hourly
25. What happens to data when it is moved to S3 Glacier?
    a) Data retrieval is instant
    b) Data retrieval incurs additional costs
    c) Data is immediately deleted after archival
    d) Data is encrypted but remains in active access
26. Which configuration can automate transitions in a multi-tier storage architecture?
    a) Tag-based rules
    b) Replication policies
    c) Intelligent-Tiering auto-analysis
    d) Lifecycle rules
27. What determines the transition frequency in lifecycle policies?
    a) Object size
    b) User-defined rules
    c) AWS predefined settings
    d) Regional configurations
28. Data in S3 Glacier is typically retrieved using which method?
    a) GET command
    b) Restore requests
    c) Replication
    d) Snapshot retrieval
29. Transitioning data to Intelligent-Tiering incurs which cost?
    a) Transition fee
    b) Monthly storage tier fee
    c) Retrieval fee only
    d) No additional cost
30. What is the minimum storage duration for S3 Standard-IA before a transition can occur?
    a) 30 days
    b) 60 days
    c) 90 days
    d) 120 days

Answers

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