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Hortonworks Apache-Hadoop-Developer Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Data Processing | - End-to-end Hadoop workflows
|
| Data Ingestion | - Import data into Hadoop
|
| Data Analysis with Hive | - Hive query development
|
| Data Transformation with Pig | - Pig Latin programming
|
Hortonworks Hadoop 2.0 Certification exam for Pig and Hive Developer Sample Questions:
Which process describes the lifecycle of a Mapper?
- A. The JobTracker calls the TaskTracker's configure () method, then its map () method and finally its close () method.
- B. The TaskTracker spawns a new Mapper to process each key-value pair.
- C. The TaskTracker spawns a new Mapper to process all records in a single input split.
- D. The JobTracker spawns a new Mapper to process all records in a single file.
Explanation: Only visible for Pass4suresVCE members. You can sign-up / login (it's free).
MapReduce v2 (MRv2/YARN) is designed to address which two issues?
- A. HDFS latency.
- B. Ability to run frameworks other than MapReduce, such as MPI.
- C. Standardize on a single MapReduce API.
- D. Resource pressure on the JobTracker.
- E. Reduce complexity of the MapReduce APIs.
- F. Single point of failure in the NameNode.
Explanation: Only visible for Pass4suresVCE members. You can sign-up / login (it's free).
What does Pig provide to the overall Hadoop solution?
- A. Legacy language Integration with MapReduce framework
- B. Simple scripting language for writing MapReduce programs
- C. Database table and storage management services
- D. C++ interface to MapReduce and data warehouse infrastructure
Consider the following two relations, A and B.
What is the output of the following Pig commands?
X = GROUP A BY S1; DUMP X;
- A. Option C
- B. Option A
- C. Option B
- D. Option D
Which YARN component is responsible for monitoring the success or failure of a Container?
- A. JobTracker
- B. ApplicationMaster
- C. ResourceManager
- D. NodeManager
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