Sebastians Big Data quiz

What is an SLA?

• Service Level Agreement

• Service Level Annotation

• Synchronization Language Annotation

• System Level Agreement

What is Apache Atlas?

• Metadata framework

• Graph database

• 
• Ingestion tool

Which are not direct qualities enabled by data provenance (specifically lineage)?

• Traceability

• Reproducability

• Performance

• Availability

Which is not part of the three Vs?

• Volume

• Variety

• Velocity

• Viscosity

Avro is ...

• row based

• language neutral

• a data serialization system

• schema based

Parquet is ...

• column based

• a language neutral specification

• bad with nested datasets

• good for nested datasets

Cassandra is ...

• based on Google Big Table

• column based

• row based

• not horizontally scalable

What does Cassandra use to deal with replication between nodes?

• Gossip Protocol (a peer-to-peer protocol for communication between nodes)

• Snitch Protocol (a one-to-many protocol with a centralized master node)

• UART (a hardware device-to-device communication protocol)

Cassandra requires manual definition of tables and their replication?

• True

• False

Which parts of the CAP theorem are true for Cassandra?

• CA - Consistency and Availablity

• CP - Consistency and Partition Tolerance

• AP - Availability and Partition Tolerance

• CAP - Consistency, Availability and Partition Tolerance