Practice Reads in Cassandra - 1.11 | Week 6: Cloud Storage: Key-value Stores/NoSQL | Distributed and Cloud Systems Micro Specialization
K12 Students

Academics

AI-Powered learning for Grades 8–12, aligned with major Indian and international curricula.

Academics
Professionals

Professional Courses

Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.

Professional Courses
Games

Interactive Games

Fun, engaging games to boost memory, math fluency, typing speed, and English skillsβ€”perfect for learners of all ages.

games

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is a Bloom filter used for in Cassandra?

πŸ’‘ Hint: Think about its role before making disk reads.

Question 2

Easy

What does the Memtable do?

πŸ’‘ Hint: Consider where data goes immediately after being written.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What is the purpose of using a Bloom filter in Cassandra's read operations?

  • To improve write performance
  • To determine if a key may exist
  • To optimize data compression

πŸ’‘ Hint: It helps avoid unnecessary checks.

Question 2

True or False: Read repair in Cassandra is only necessary during write operations.

  • True
  • False

πŸ’‘ Hint: Remember when read repair is activated.

Solve 2 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Consider a scenario where a client reads data that is modified during the read operation. Describe how Cassandra ensures data consistency in this situation and the implications of different consistency levels.

πŸ’‘ Hint: Think about what happens to replicas when data changes during a read.

Question 2

Write an analysis of how Bloom filters improve read performance in Cassandra, including potential drawbacks.

πŸ’‘ Hint: Consider the trade-off between read efficiency and potential inaccuracies.

Challenge and get performance evaluation