# Big Data Solutions, Architecture, CQL, & DDL

### Question 1: Which of the following are Technical Advantages of Cassandra?

>Multi data centre replication
>Continuous availability
>Sclable architecture

### Question 2: Which type of key is defined to spread data over multiple nodes?

>Composite Partition Key

### Question 3: At which of the following instances would you use NoSQL rather than RDBMS?

>Continuous availability with no downtime
>High velocity data

### Question 4: Which command would you use to describe your Cassandra Table?

>Desc Table

### Question 5: Which of Cassandra's Big Data Characteristics describes the structured, semi-structured, and unstructured data?

>Variety

### Question 6: What is required to efficiently read, write, discover, and analyze multiple varieties of non-relational data structures?

>Big Data Systems

### Question 7: What is a peer-to-peer set of nodes with no single point of failure called?

>A Cluster

### Question 8: What are Cassandra Tables also known as?

>Column Families

### Question 9: Which Cassandra Query Language syntax can be of type string, integer, float, or boolean?

>Constants

### Question 10: Which local host port does Cassandra CQL Utility connect to by default?

>9042

### Question 11: Which command is used in the Linux terminal to download Cassandra?

>curl -O

### Question 12: What is the basic data structure of Cassandra that has the key, value, and time stamp values?

>Column

### Question 13: Which command is used to view the status of your Keyspace?

>nodetool status