Redundancy and Replication Flashcards
1
Q
What is redundancy?
A
Redundancy means duplication of critical data or services with the intention of increased reliability of the system.
2
Q
Where all redundancy can be applied?
A
- Services 2. Data
3
Q
Service Duplication
A
helps in fail-over and share- nothing architecture
4
Q
Data Duplication
A
Helps in retention of data, in case of data base crash ir outage