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MCQs

Total Questions : 26 | Page 2 of 3 pages
Question 11. Which syntax returns the matching result of an id in a Mongo database using Mongoose?
  1.    Model.find
  2.    Model.findAll
  3.    Model.findById
  4.    Model.findByPK
 Discuss Question
Answer: Option C. -> Model.findById
Question 12. What do you mean by TTL ?
  1.    Time to live
  2.    Time to leave
  3.    Time to laugh
  4.    Time to load
 Discuss Question
Answer: Option A. -> Time to live
Question 13. Which query language used by Cassandra
  1.    SQL
  2.    PL-SQL
  3.    CQL
  4.    Javascrip
 Discuss Question
Answer: Option C. -> CQL
Question 14. What are the reasons for considering NoSQL databases?
  1.    Scalability
  2.    High Availability
  3.    Flexibility
  4.    All Of above
 Discuss Question
Answer: Option D. -> All Of above
Question 15. Which feature in cassandra allows you to execute multiple queries at one time ?
  1.    AT TIME
  2.    BATCH
  3.    Capture
  4.    Source
 Discuss Question
Answer: Option B. -> BATCH
Question 16. Which version of Cassandra you are using ?
  1.    3.2
  2.    3.9
  3.    2.4
  4.    3.0
 Discuss Question
Answer: Option B. -> 3.9
Question 17. Which Protocol used by Cassandra
  1.    Gossip
  2.    Compaction
  3.    Timepass
  4.    CQL
 Discuss Question
Answer: Option A. -> Gossip
Question 18. Which company created Cassandra ?
  1.    Google
  2.    Amazon
  3.    Facebook
  4.    Orkut
 Discuss Question
Answer: Option C. -> Facebook
Question 19. How do you establish a connection with your Node application and an external Mongo database using Mongoose?
  1.    mongoose.connection(mongoURI)
  2.    mongoose.connect(mongoURI)
  3.    db.on(mongoURI)
  4.    sequelize.sync()
 Discuss Question
Answer: Option B. -> mongoose.connect(mongoURI)
Question 20. What do you mean by Table in Cassandra ?
  1.    Column
  2.    Row
  3.    KeySpace
  4.    Column-Family
 Discuss Question
Answer: Option D. -> Column-Family

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