Hortonworks Apache-Hadoop-Developer : Hadoop 2.0 Certification exam for Pig and Hive Developer

아는 것과 시험장에서 풀어내는 것은 다릅니다. ITDumpsKR의 Apache-Hadoop-Developer 모의고사는 실제 시험 환경을 그대로 재현해 110문항을 시간 제한 속에 연습할 수 있게 해 줍니다. 2026년 Hortonworks Hadoop 2.0 Certification exam for Pig and Hive Developer 응시 전에 실전 감각을 미리 다듬어 두십시오.

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최신 HCAHD Apache-Hadoop-Developer 무료샘플문제

문제 #1

Which one of the following statements regarding the components of YARN is FALSE?

A. The ResourceManager is responsible for scheduling and allocating resources
B. A client application submits a YARW job to the ResourceManager
C. The ResourceManager monitors and restarts any failed Containers
D. A Container executes a specific task as assigned by the ApplicationMaster

문제 #2

Which best describes what the map method accepts and emits?

A. It accepts a list key-value pairs as input and can emit only one key-value pair as output.
B. It accepts a single key-value pairs as input and can emit only one key-value pair as output.
C. It accepts a single key-value pair as input and emits a single key and list of corresponding values as output.
D. It accepts a single key-value pairs as input and can emit any number of key-value pair as output, including zero.

문제 #3

To use a lava user-defined function (UDF) with Pig what must you do?

A. Define an alias to shorten the function name
B. Put the JAR file into the user's home folder in HDFS
C. Register the JAR file containing the UDF
D. Pass arguments to the constructor of UDFs implementation class

문제 #4

Assuming default settings, which best describes the order of data provided to a reducer's reduce method:

A. Neither keys nor values are in any predictable order.
B. The keys given to a reducer aren't in a predictable order, but the values associated with those keys always are.
C. The keys given to a reducer are in sorted order but the values associated with each key are in no predictable order
D. Both the keys and values passed to a reducer always appear in sorted order.

문제 #5

Which best describes how TextInputFormat processes input files and line breaks?

A. Input file splits may cross line breaks. A line that crosses file splits is ignored.
B. Input file splits may cross line breaks. A line that crosses file splits is read by the RecordReader of the split that contains the end of the broken line.
C. The input file is split exactly at the line breaks, so each RecordReader will read a series of complete lines.
D. Input file splits may cross line breaks. A line that crosses file splits is read by the RecordReaders of both splits containing the broken line.
E. Input file splits may cross line breaks. A line that crosses file splits is read by the RecordReader of the split that contains the beginning of the broken line.

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