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BDMS Quiz

1. The desired characteristics of a BDMS include (select all that apply):

  • Narrow range of query sizes
  • Continuous data ingestion
  • Support for common “Big Data” data types
  • Support for ACID
  • A full query language
  • A flexible semi-structured data model

2. Fill in the blank with the best answer: CAP theorem states that _________ all at once within a distributed computer system?

  • it is impossible to have consistency, accuracy, and partial tolerance
  • it is necessary to have consistency, accuracy, and partial tolerance
  • it is necessary to have consistency, availability, and partition tolerance
  • it is impossible to have consistency, availability, and partition tolerance

3. What is the purpose of the acronym BASE?

  • The same as ACID.
  • To overcome CAP theorem.
  • To impose properties on a BDMS in order to guarantee certain results.
  • Enables stricter enforcement of ACID type design.

4. What are ziplists in Redis?

  • A special type of data type that can store up to 512 mb of image data.
  • A look up table that is stored as a value in the database. Look up table points to actual values in memory.
  • A compressed list that is stored within the value of the database.
  • A special type of data type that can store hashes that point to multiple attributes.

5. What is one of the main features of Aerospike?

  • Images as values within the database.
  • Enables real time data streaming from external sources.
  • Support for geospatial data storage and geospatial queries.
  • Better equipped for string based search applications.

6. What database would be best suited for the following scenario: An app development company is trying to implement a cloud based storage system for their new map-based app. The cloud will manage the longitude and latitude of the data in order to track user location.

  • Solr
  • Vertica
  • Aerospike
  • Redis

7. What database would be best suited for the following scenario: A big wholesale company is trying to implement a search engine for their products.

  • Redis
  • Aerospike
  • Solr
  • Vertica

8. Which of the following data types are supported by Redis? (select all that apply)

  • Sorted Sets
  • Images
  • Hashes
  • Lists
  • Streaming Video
  • Strings