Computer Science WK 8 Assignment

Use the PDF book provided to answer the questions listed below. This is not an essay. Do not answer the questions in an essay format. Keep the format the same and answer the questions from each chapter below.

CH 23: DISTRIBUTED DATABASE CONCEPTS

23.21 – Compare the primary site method with the primary copy method for distributed concurrency control. How does the use of backup sites affect each?

23.22 – When are voting and elections used in distributed databases?

23.26 – Discuss briefly online directories, their management, and their role in distributed databases

CH 24: INTRODUCTION TO NOSQL SYSTEMS

24.8 – Discuss how replication and sharding are done in MongoDB

24.9 – Discuss the data modeling concepts in DynamoDB.