MCQs on Introduction to AWS S3 | Amazon AWS S3
Amazon Web Services (AWS) S3 (Simple Storage Service) is a widely used cloud storage solution designed for scalability, durability, and cost-effectiveness. It enables users to store and retrieve any amount of data from anywhere. Understanding key concepts like buckets, objects, regions, and endpoints is crucial. With varied pricing tiers, S3 supports diverse use cases such as data backups, web hosting, and analytics.
AWS S3 MCQs
What is AWS S3?
- What does AWS S3 primarily provide?
a) Compute resources
b) Object storage
c) Network management
d) Database hosting - What does the “S3” in AWS S3 stand for?
a) Simple Storage Service
b) Secure Storage Solution
c) Serverless Storage Service
d) Systematic Storage Service - Which protocol does AWS S3 use for data transfer?
a) FTP
b) HTTP and HTTPS
c) SMTP
d) SNMP - What is the maximum size of a single object that can be uploaded to S3?
a) 1 GB
b) 5 GB
c) 5 TB
d) 10 TB - AWS S3 supports which type of storage?
a) Block storage
b) File storage
c) Object storage
d) None of the above
Key Concepts: Buckets, Objects, Regions, and Endpoints
- What is a bucket in AWS S3?
a) A storage location for objects
b) A virtual machine
c) A database instance
d) A compute resource - Which of these uniquely identifies an object in S3?
a) Bucket name
b) Object key
c) Object metadata
d) Region - How many buckets can an AWS account create by default?
a) 50
b) 100
c) 500
d) 1000 - What is an endpoint in AWS S3?
a) A compute instance
b) A regional access point for S3
c) A network interface
d) A storage unit - Which S3 concept ensures data is stored closest to its users?
a) Object versioning
b) Region selection
c) Bucket policies
d) Access control lists - What is the default region for S3 buckets?
a) us-east-1
b) us-west-1
c) ap-south-1
d) eu-central-1 - Which feature enables multiple versions of an object in S3?
a) Object tagging
b) Versioning
c) Replication
d) Lifecycle policies
S3 Use Cases
- AWS S3 is commonly used for:
a) Hosting websites
b) Data backups
c) Big data analytics
d) All of the above - Which feature of S3 allows static website hosting?
a) Bucket policies
b) Static website hosting configuration
c) Lifecycle rules
d) Data encryption - What feature makes S3 suitable for disaster recovery?
a) High durability
b) Access logging
c) IAM roles
d) Cost management - How does S3 ensure high availability of data?
a) By replicating data across multiple regions
b) By storing data in a single zone
c) By creating snapshots
d) By enabling versioning - Which S3 service can be used for faster data retrieval in big data use cases?
a) S3 Standard
b) S3 Glacier
c) S3 Intelligent-Tiering
d) S3 Select - AWS S3 can be used as a backend for which of the following?
a) Web applications
b) IoT devices
c) Mobile apps
d) All of the above
S3 Pricing Tiers and Free Tier
- What determines S3 storage costs?
a) Number of buckets
b) Data volume and access frequency
c) Compute hours
d) Number of users - What is the monthly free tier storage limit for S3?
a) 5 GB
b) 10 GB
c) 50 GB
d) 100 GB - Which S3 storage class offers the lowest cost for infrequent access?
a) S3 Standard
b) S3 One Zone-IA
c) S3 Glacier Deep Archive
d) S3 Intelligent-Tiering - Which S3 storage class is suitable for frequently accessed data?
a) S3 Glacier
b) S3 Standard
c) S3 Glacier Deep Archive
d) S3 One Zone-IA - What does the S3 Free Tier include apart from storage?
a) Data transfer out
b) Put and get requests
c) Lifecycle transitions
d) All of the above - How does S3 Intelligent-Tiering optimize costs?
a) By automatically moving objects to the most cost-effective storage tier
b) By deleting infrequently accessed data
c) By compressing objects
d) By offering a flat fee
General
- Which feature in S3 prevents accidental deletion of objects?
a) Lifecycle policies
b) Bucket policies
c) Object locking
d) Cross-region replication - What is the durability of objects stored in AWS S3?
a) 99.99%
b) 99.999999999%
c) 99.9%
d) 90% - Which access control method is NOT supported in S3?
a) Bucket policies
b) Access control lists (ACLs)
c) IAM policies
d) Group policies - Which S3 feature reduces latency for frequently accessed objects?
a) Intelligent-Tiering
b) S3 Transfer Acceleration
c) Object tagging
d) Cross-region replication - AWS S3 can integrate with which of these services for data processing?
a) AWS Lambda
b) Amazon Athena
c) AWS Glue
d) All of the above - What is the primary data format supported by S3?
a) JSON
b) XML
c) Any format
d) CSV
Answers
| Qno | Answer |
|---|---|
| 1 | b) Object storage |
| 2 | a) Simple Storage Service |
| 3 | b) HTTP and HTTPS |
| 4 | c) 5 TB |
| 5 | c) Object storage |
| 6 | a) A storage location for objects |
| 7 | b) Object key |
| 8 | d) 1000 |
| 9 | b) A regional access point for S3 |
| 10 | b) Region selection |
| 11 | a) us-east-1 |
| 12 | b) Versioning |
| 13 | d) All of the above |
| 14 | b) Static website hosting configuration |
| 15 | a) High durability |
| 16 | a) By replicating data across multiple regions |
| 17 | d) S3 Select |
| 18 | d) All of the above |
| 19 | b) Data volume and access frequency |
| 20 | a) 5 GB |
| 21 | c) S3 Glacier Deep Archive |
| 22 | b) S3 Standard |
| 23 | d) All of the above |
| 24 | a) By automatically moving objects to the most cost-effective storage tier |
| 25 | c) Object locking |
| 26 | b) 99.999999999% |
| 27 | d) Group policies |
| 28 | b) S3 Transfer Acceleration |
| 29 | d) All of the above |
| 30 | c) Any format |