Pop Quiz 4

Question 1

Apache Zookeeper is a:

A. Data manipulation language
B. Set of Web applications that interface with Hadoop
C. Service that enables coordination of distributed applications
D. An application that transfers data between HDFS and RDBMS

Answer 1

Service that enables coordination of distributed applications

Question 2

Avro is a:

A. Database administration protocol
B. Data serialization protocol
C. Programming language
D. Distributed operating system that coordinates applications in the Hadoop ecosystem

Answer 2

Data serialization protocol

Question 3

Scoop:

A. Can only transfer data from HDFS to RDBMS
B. Can only transfer data from RDBMS to HDFS
C. Cannot transfer data between RDBMS and HDFS
D. Can transfer data between RDBMS and HDFS in both directions

Answer 3

Can transfer data between RDBMS and HDFS in both directions

Question 4

Parquet stores data using a:

A. Columnar storage format
B. Serialization protocol
C. Row-oriented approach

Answer 4

Columnar storage format