Big Data Practice Quiz: Cassandra Quiz 1

1. With Cassandra, what type of encryption is used for client and inter-node communication?

• SSH
• TLS/SSL
• CHAP
• Kerberos

2. Which of the following commands can be used to take a live node out of the cluster?

• nodetool discharge
• nodetool withdraw
• nodetool mothball
• nodetool decommission

3. Which of the following is NOT one of the CQL constants?

• string
• boolean
• unit
• integer
• blob

4. The file Filter.db holds which type of filter of the partition keys in the SSTable?

• Kross
• Skinner
• Limited
• Bloom

5. Which of the following is NOT a consistency level available in Cassandra?

• Least
• Three
• One
• All
• Local_One

6. Which of the following is NOT one of the CQL defined terms?

• function_call
• divider
• bind_marker
• type_hint
• literal

7. As related to Cassandra and snitching, what type of snitch will read latencies to avoid reading from hosts that have slowed down?

• Committed snitch
• Latent snitch
• Functional snitch
• Dynamic snitch

8. Comment lines in CQL must begin with which of the following?

• / or +
• // or --
• # or :
• rem or ##

9. Which of the following are in-memory structures where Cassandra buffers write?

• SSTables
• Memtables
• LinkTables
• NetTables

10. Which Cassandra consistency level means a majority of the replicas in each datacenter must respond?

• EACH_QUORUM
• ANY
• QUORUM
• MOST