COMPUTER FUNDAMENTALS

EMERGING TRENDS IN COMPUTING

CLOUD COMPUTING

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Putting copies of the same data on multiple servers is a process called ____
A
Cloning
B
Redundancy
C
Data Processing
D
Cloud Computing
Explanation: 

Detailed explanation-1: -A common example of data redundancy is when a name and address are both present in different columns within a table. If the link between these data points is defined in every single new database entry it would lead to unnecessary duplication across the entire table.

Detailed explanation-2: -Database replication is the frequent electronic copying of data from a database in one computer or server to a database in another–so that all users share the same level of information.

Detailed explanation-3: -"Redundancy is the duplication of nodes, in case of some of them are failing” Replication-includes redundancy, but involves the copying of data from one node to another or the synchronization of state between nodes. An example of where replication is done is at the databases or MQs level that forms a cluster.

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