Quiz time

Q.1. State whether the following statements are true or false:

1. Cassandra has a default consistency of ALL.

2. QUORUM is the consistency level that provides the highest availability.

3. Cassandra uses a snitch to identify the closeness of the nodes.

4. Cassandra reads and writes features have consistency level 1 by default.

Q.2. Fill in the blanks:

1. _______________ is used to determine the physical closeness of the nodes.

2. _______________ is the consistency that provides the highest availability and lowest availability.

3. The ___________ is the service that ensures that a node, which has been down for a while, is correctly updated with the latest changes.

Q.3. Execute the following use case to see Cassandra high availability and replications:

1. Create a four-node Cassandra cluster.

2. Create a keyspace with a replication factor of 3.

3. Add some data into a column family under this keyspace.

4. Attempt to retrieve data using read consistency with using ALL in select query.

5. Shut down the Cassandra daemon on one node...