7.5 - Write Policies in Caches
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions
What is the write-through policy?
💡 Hint: Think about how data is synchronized between different storage layers.
What is the write-back policy?
💡 Hint: Consider how updates are delayed in this scenario.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What does the write-through policy entail?
💡 Hint: Recall the key feature of write-through caching.
True or False: Write-back caching writes data to main memory immediately.
💡 Hint: Think about how data is managed in write-back policies.
Get performance evaluation
Challenge Problems
Push your limits with advanced challenges
Consider a web server application requiring high reliability and low latency. Discuss the implications of using write-through or write-back caching in this scenario.
💡 Hint: Reflect on the server’s requirements and how each policy impacts them.
Design a caching strategy for a mobile app that frequently updates data in real-time while also requiring persistence. Should it favor write-through or write-back? Justify your choice.
💡 Hint: Think about the need for real-time responsiveness versus data security.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.