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Hortonworks Apache-Hadoop-Developer Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Data Ingestion | - Import data into Hadoop
|
| Topic 2: Data Transformation with Pig | - Pig Latin programming
|
| Topic 3: Data Analysis with Hive | - Hive query development
|
| Topic 4: Data Processing | - End-to-end Hadoop workflows
|
Hortonworks Hadoop 2.0 Certification exam for Pig and Hive Developer Sample Questions:
Identify the tool best suited to import a portion of a relational database every day as files into HDFS, and generate Java classes to interact with that imported data?
- A. Flume
- B. Pig
- C. Hue
- D. Hive
- E. Sqoop
- F. Oozie
- G. fuse-dfs
Correct Answer: E 🗳️
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What does the following WebHDFS command do?
Curl -1 -L "http://host:port/webhdfs/v1/foo/bar?op=OPEN"
- A. Delete a directory /foo/bar
- B. List a directory /foo
- C. Make a directory /foo/bar
- D. Read a file /foo/bar
Correct Answer: D 🗳️
For each intermediate key, each reducer task can emit:
- A. As many final key-value pairs as desired, as long as all the keys have the same type and all the values have the same type.
- B. One final key-value pair per value associated with the key; no restrictions on the type.
- C. As many final key-value pairs as desired, but they must have the same type as the intermediate key-value pairs.
- D. One final key-value pair per key; no restrictions on the type.
- E. As many final key-value pairs as desired. There are no restrictions on the types of those key-value pairs (i.e., they can be heterogeneous).
Correct Answer: A 🗳️
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Consider the following two relations, A and B.
A Pig JOIN statement that combined relations A by its first field and B by its second field would produce what output?
- A. 2 cherry Jim, Chris 3 orange Terry 4 peach Brian
- B. 2 cherry 2 cherry 3 orange 4 peach
- C. 2 cherry Jim 2 2 cherry Chris 2 3 orange Terry 3 4 peach Brian 4
- D. 2 Jim Chris 2 3 Terry 3 4 Brian 4
Correct Answer: C 🗳️
Identify the MapReduce v2 (MRv2 / YARN) daemon responsible for launching application containers and monitoring application resource usage?
- A. ApplicationMasterService
- B. JobTracker
- C. NodeManager
- D. TaskTracker
- E. ApplicationMaster
- F. ResourceManager
Correct Answer: C 🗳️
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