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8 Modules
Which of the following statements about Apache Cassandra's data model is true?
Cassandra uses a relational model with fixed schemas.
Cassandra is designed for high availability and scalability.
Cassandra supports multi-row transactions.
Cassandra tables can have a dynamic number of columns.
In Cassandra, what is the purpose of a partition key?
To determine the distribution of data across nodes.
To enforce data integrity.
To uniquely identify a row within a partition.
To define the clustering order of the data.
Which of the following is a characteristic of NoSQL databases like Cassandra?
Support for complex joins between tables.
Schema flexibility.
ACID transactions across multiple rows.
Horizontal scalability.
What is the primary purpose of clustering columns in a Cassandra table?
To define the primary key.
To determine the order of data within a partition.
To create secondary indexes.
To enforce uniqueness of rows.
Which of the following best describes the CAP theorem as it relates to Cassandra?
Cassandra prioritizes consistency over availability.
Cassandra provides eventual consistency.
Cassandra sacrifices partition tolerance for availability.
Cassandra can achieve all three guarantees simultaneously.
8 Modules