Practice Data Placement Strategies (1.5) - Cloud Storage: Key-value Stores/NoSQL
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Data Placement Strategies

Practice - Data Placement Strategies

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What defines the number of copies of each piece of data held in a distributed system?

💡 Hint: Think about how many copies you would want to prevent data loss.

Question 2 Easy

What does a snitch do in a Cassandra setup?

💡 Hint: It relates to understanding where nodes are located.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the role of a partitioner in Cassandra?

To hash keys
To define data schema
To manage transactions

💡 Hint: Think about how Cassandra decides where to store data.

Question 2

True or False: A higher replication factor always results in better performance.

True
False

💡 Hint: Consider the effects of writing data to multiple nodes.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Explain how a low replication factor might affect a Cassandra cluster’s performance during a network partition.

💡 Hint: Consider how many safe copies are available if a partition occurs.

Challenge 2 Hard

Design a hypothetical data placement strategy for a global application that needs quick access to user data while ensuring fault tolerance.

💡 Hint: Think about how you would leverage both speed and data safety.

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Reference links

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