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Hortonworks HADOOP-PR000007 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Hadoop Core Concepts | - YARN and MapReduce fundamentals - HDFS architecture and commands |
| Hadoop Ecosystem Tools | - Workflow and processing frameworks - Sqoop and data ingestion |
| Pig Development | - Pig Latin scripting - Pig data types and UDFs |
| Hive Development | - Hive optimization and execution - Hive table definitions and queries |
Hortonworks-Certified-Apache-Hadoop-2.0-Developer(Pig and Hive Developer) Sample Questions:
Given the following Hive command:
Which one of the following statements is true?
- A. The files in the mydata folder are copied to a subfolder of /apps/hlve/warehouse
- B. The files in the mydata folder do not move from their current location In HDFS
- C. The files in the mydata folder are moved to a subfolder of /apps/hive/wa re house
- D. The files in the mydata folder are copied into Hive's underlying relational database
Correct Answer: B 🗳️
Given the following Pig commands:
Which one of the following statements is true?
- A. The severe relation is not valid
- B. The $1 variable represents the second column of data in 'my.log'
- C. The grouped relation is not valid
- D. The $1 variable represents the first column of data in 'my.log'
Correct Answer: B 🗳️
You have user profile records in your OLPT database, that you want to join with web logs you have
already ingested into the Hadoop file system. How will you obtain these user records?
- A. Hive LOAD DATA command
- B. HDFS command
- C. Ingest with Flume agents
- D. Pig LOAD command
- E. Ingest with Hadoop Streaming
- F. Sqoop import
Correct Answer: F 🗳️
Indentify which best defines a SequenceFile?
- A. A SequenceFile contains a binary encoding of an arbitrary number of heterogeneous Writable objects
- B. A SequenceFile contains a binary encoding of an arbitrary number of WritableComparable objects, in
sorted order. - C. A SequenceFile contains a binary encoding of an arbitrary number key-value pairs. Each key must be
the same type. Each value must be the same type. - D. A SequenceFile contains a binary encoding of an arbitrary number of homogeneous Writable objects
Correct Answer: C 🗳️
What does the following WebHDFS command do?
Curl -1 -L "http://host:port/webhdfs/v1/foo/bar?op=OPEN"
- A. Read a file /foo/bar
- B. List a directory /foo
- C. Delete a directory /foo/bar
- D. Make a directory /foo/bar
Correct Answer: A 🗳️
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