What is the role of the HBase Coprocessor Observer in HBase?

What is HBase in the context of Hadoop?

A. A NoSQL distributed database for large-scale data storage

B. A storage format in Hadoop

C. A query language for HBase

D. A distributed file system

In HBase, what is the purpose of the ROWKEY?

A. Join records from multiple tables

B. Group records based on a condition

C. Sort records based on a column

D. Unique identifier for a row in an HBase table

What is the primary role of the HBase Master Server in HBase architecture?

A. Execute MapReduce jobs

B. Manage computation resources

C. Manage and coordinate region servers

D. Perform data analytics in Hadoop

In HBase, what does the term "Column Family" refer to?

A. A query language for HBase

B. A group of related columns

C. A distributed file system

D. None of the above