WorksheetsIntroduction to AWS Elastic File System (EFS)
Total questions: 20
Worksheet time: 10mins
What is the main advantage of EFS for dynamic data applications?
It allows for immediate updates and access to shared data.
It provides enhanced security for static data.
It reduces the cost of data storage significantly.
It improves the speed of data retrieval for archived data.
What is AWS Elastic File System (EFS)?
A file-level, fully managed storage service provided by AWS that can be accessed by multiple EC2 instances concurrently.
A block-level storage service designed for high-performance applications.
A database service that provides scalable storage for structured data.
A content delivery network service that accelerates the delivery of web content.
What is the maximum file size supported by EFS?
10 TB
20 TB
47.9 TB
100 TB
What is the main characteristic of Amazon EFS?
Highly scalable both in storage capacity and throughput performance.
Limited to a fixed storage capacity.
Requires manual scaling for performance improvements.
Optimized for low-latency access only.
What is the main benefit of EFS for applications requiring shared file access?
It ensures consistency across multiple EC2 instances accessing the same data.
It provides unlimited storage capacity for all applications.
It allows for faster data retrieval than local storage.
It automatically backs up data to S3 for disaster recovery.
What is the scalability feature of EFS?
EFS can automatically increase or decrease its storage capacity based on incoming data.
EFS requires manual intervention to adjust storage capacity.
EFS can only increase its storage capacity, not decrease it.
EFS has a fixed storage capacity that cannot be changed.
What is the main characteristic of EFS's data redundancy?
Data is stored in a single location for easy access.
Data is stored in multiple availability zones for high durability.
Data is compressed to save space.
Data is encrypted for security purposes.
What are the limitations of AWS EFS?
Supports only NFS protocol, maximum throughput of 1000 MB/s, and limited file and directory counts.
Supports multiple protocols including SMB and NFS, with a maximum throughput of 500 MB/s.
Unlimited file and directory counts with a maximum throughput of 2000 MB/s.
Supports only NFS protocol, maximum throughput of 200 MB/s, and unlimited file counts.
What is the main characteristic of EFS's data transfer capabilities?
It allows data transfer from on-premise to the cloud using AWS Data Sync.
It supports real-time data streaming to multiple locations.
It provides unlimited data storage without any transfer limits.
It enables data transfer only within the same region.
What is the recommended method for connecting to EFS from EC2?
EFS Mount Helper is the AWS-recommended and simpler solution.
Using NFS version 4.1 directly without any helper.
Creating a VPN connection to access EFS.
Using AWS CLI commands exclusively for connection.
What is the difference between EFS and EBS?
EFS allows multiple instances to access data simultaneously, while EBS is for single-instance access.
EBS allows multiple instances to access data simultaneously, while EFS is for single-instance access.
EFS is a type of storage for archiving data, while EBS is for real-time data processing.
EBS is a managed service for databases, while EFS is for file storage.
What are the different storage classes in AWS EFS?
Standard storage class and Infrequently Accessed storage class.
Standard storage class and Archive storage class.
Infrequently Accessed storage class and One Zone-IA storage class.
Standard storage class and Intelligent-Tiering storage class.
What happens to files in standard storage that are not accessed for a specified period?
They are deleted permanently.
They are moved to the Infrequently Accessed storage class.
They are archived to a different location.
They are compressed to save space.
What is the main advantage of EFS for applications with high data availability requirements?
It ensures data is accessible across multiple availability zones.
It provides automatic data backup and recovery.
It offers lower latency for data access.
It allows for unlimited storage capacity.
What is the role of AWS Data Sync Service in EFS?
It transfers data from on-premise to EFS in the cloud.
It provides real-time data analytics for EFS.
It manages user access permissions for EFS.
It automatically scales EFS storage based on usage.
What is the main characteristic of EFS's performance modes?
They are designed to optimize performance based on application needs.
They operate at a fixed performance level regardless of application requirements.
They prioritize cost over performance efficiency.
They are only suitable for small-scale applications.
What is the main benefit of using EFS for machine learning workloads?
It allows multiple instances and containers to access the same data, improving collaboration.
It provides unlimited storage capacity for all machine learning models.
It enhances the speed of data processing significantly.
It reduces the cost of machine learning infrastructure.
What is the main advantage of EFS for applications requiring low latency?
It is designed for high throughput and
It offers unlimited storage capacity
It provides automatic data backup
It ensures data encryption at rest
What is the role of the EFS Mount Helper?
It simplifies the connection process to EFS from EC2 instances.
It manages the security groups for EC2 instances.
It provides a graphical interface for EFS management.
It automatically scales EFS storage based on usage.
What is the main advantage of EFS for data-intensive applications?
It provides high throughput and scalability for large datasets.
It offers low latency for small files.
It ensures data redundancy across multiple regions.
It simplifies data management with automatic backups.
