
Data Synchronization and Consistency - Quiz #2
Authored by Sittie Panda-ag
Information Technology (IT)
University
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25 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What is the primary goal of data synchronization?
To increase data storage capacity.
To ensure data is consistent across multiple locations or systems.
To reduce network latency.
To encrypt sensitive data.
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Which concept ensures that all copies of data across a distributed system are identical at a given point in time?
Eventual consistency
Data replication
Strong consistency
Asynchronous processing
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Data replication is the process of:
Moving data from one database to another permanently.
Creating and maintaining multiple copies of data across different locations.
Converting data from one format to another.
Deleting redundant data from a system.
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
A key benefit of data replication is:
Reduced data storage costs.
Improved data security against unauthorized access.
Enhanced data availability and fault tolerance.
Simplified database schema design.
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Which type of data replication involves copying data changes as they occur, often in real-time?
Snapshot replication
Transactional replication
Merge replication
Offline replication
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
In a distributed transaction, what does the "Atomicity" (A in ACID) property ensure?
That transactions are executed in a specific order.
That concurrent transactions do not interfere with each other.
That all operations within the transaction either complete successfully or none of them do.
That data remains consistent after a transaction commits.
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
The "Two-Phase Commit (2PC)" protocol is commonly used to ensure what in distributed transactions?
Eventual consistency
Strong consistency
Data replication
Asynchronous processing
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