1. Quiz: Dimensions of Big Data

Which of the following are Part of the 3 dimensions of Big Data?

• Volume
• Cost
• Importance
• Velocity
• Source
• Variety
• Security
• Virality

2. Quiz: Volume

Volume of Big Data refers to:

• Importance of Data
• Size of data
• Speed of data generation
• The differnet data sources

3. Quiz: Hadoop Ecosystem

Check all that are true:

• Hadoop provides an efficient way of storing data via HDFS
• Hadoop has a visualization framework called ‘Giraffe’
• You can analyze large datasets using a high-level language called ‘Pig’
• ‘Hive’ offers a SQL-like language on top of MapReduce
• The tools in Hadoop’s ecosystem are all proprietary, commercial tools

4. Quiz: Variety

Hadoop can store data in which of these formats?

• XML
• Text
• JSON
• Any non-binary format
• Any format

5. Quiz: History of Hadoop

Hadoop was:

• Written by Google and released as open source
• Originally part of an open source project called Nutch
• Written by Nutch, Inc as a proprietary product but then released as open source
• Developed by the US government and released as open source