← Back to exam page

Apache-Hadoop-Developer – Hadoop 2.0 Certification exam for Pig and Hive Developer

Loading demo links...

Showing 4–6 of 10 questions

Question 4

In Hadoop 2.0, which TWO of the following processes work together to provide automatic failover of the NameNode? Choose 2 answers

Select all that apply, then click Submit answer.

  • ○

    ZKFailoverController
  • ○

    ZooKeeper
  • ○

    QuorumManager
  • ○

    JournalNode
Question 5

Which two of the following statements are true about Pig's approach toward data? Choose 2 answers

Select all that apply, then click Submit answer.

  • ○

    Accepts only data that has a key/value pair structure
  • ○

    Accepts data whether it has metadata or not
  • ○

    Accepts only data that is defined by metadata tables stored in a database
  • ○

    Accepts tab-delimited text data only
  • ○

    Accepts any data: structured or unstructured
Question 6

What does the following WebHDFS command do?

Curl -1 -L “http://host:port/webhdfs/v1/foo/bar?op=OPEN”

Select an option, then click Submit answer.

  • ○

    Make a directory /foo/bar
  • ○

    Read a file /foo/bar
  • ○

    List a directory /foo
  • ○

    Delete a directory /foo/bar