Data Replication and Mirroring
Description: This quiz evaluates your understanding of data replication and mirroring concepts, techniques, and their applications in ensuring data availability, consistency, and fault tolerance. | |
Number of Questions: 15 | |
Created by: Aliensbrain Bot | |
Tags: data replication data mirroring database systems data availability data consistency fault tolerance |
What is the primary purpose of data replication?
Which type of data replication involves maintaining multiple copies of data at different physical locations?
What is the main advantage of synchronous replication over asynchronous replication?
Which type of replication is commonly used for disaster recovery scenarios?
What is the primary benefit of using data mirroring?
Which type of mirroring technique involves creating a mirror copy of the data on a separate storage device within the same system?
What is the main advantage of using remote mirroring over local mirroring?
Which type of mirroring technique involves writing data to the primary and mirror copies simultaneously?
What is the main disadvantage of using synchronous mirroring?
Which type of mirroring technique involves writing data to the primary copy first and then asynchronously propagating the changes to the mirror copy?
What is the primary advantage of using asynchronous mirroring over synchronous mirroring?
Which type of replication technique involves replicating changes to the data at the logical level?
What is the primary advantage of using logical replication over physical replication?
Which type of replication technique is commonly used for data warehousing and business intelligence applications?
What is the primary disadvantage of using logical replication over physical replication?