lec5 Flashcards
(24 cards)
What is the main characteristic of cloud storage?
Storage is not confined to a single server or location.
What do distributed storage systems enable?
Reliable, scalable, and high-performance data storage across a network of machines.
Name three key cloud storage services.
- Amazon S3
- Google Cloud Storage
- Azure Blob Storage
What is Amazon S3?
An object storage service offering high scalability, data availability, and durability (99.999999999%).
What are the key features of Amazon S3?
- Lifecycle management
- Cross-region replication
- Fine-grained access control
- Versioning
- Encryption
What types of storage classes does Google Cloud Storage provide?
- Standard
- Nearline
- Coldline
- Archive
What is Azure Blob Storage optimized for?
Storing massive amounts of unstructured data such as text and binary data.
List the three access tiers supported by Azure Blob Storage.
- Hot
- Cool
- Archive
What is HDFS?
A scalable, fault-tolerant distributed file system designed for batch processing with MapReduce.
What does Ceph provide?
Object, block, and file system storage in a single platform.
What is the main advantage of using Lustre?
High performance for large-scale cluster computing.
What does NoSQL stand for?
Not only SQL.
What is Amazon DynamoDB?
A fully managed NoSQL database service that supports key-value and document data models.
What is a unique feature of Apache Cassandra?
Highly scalable with no single point of failure.
What is MongoDB Atlas?
A fully managed cloud version of MongoDB with document-based NoSQL capabilities.
Fill in the blank: The CAP theorem addresses trade-offs between consistency, availability, and _______.
partition tolerance
What are the types of consistency models?
- Strong Consistency
- Eventual Consistency
- Causal Consistency
What is master-slave replication?
One node handles writes, while others replicate data.
What is Google BigQuery?
A serverless, highly scalable data warehouse for running SQL-like queries on large datasets.
What is a unique feature of Snowflake?
Cloud-native data warehouse with separate compute and storage.
What is the purpose of Apache Kafka?
A distributed event streaming platform for real-time data feeds.
What strategies are included in disaster recovery?
- Cold standby
- Warm standby
- Hot standby
What are the components of storage security in cloud storage?
- Encryption
- Access Control
- Immutable storage
- Compliance
True or False: Distributed storage systems are foundational to the reliability and performance of cloud-based solutions.
True
