Describe the Hadoop Ecosystem and Related Product Use Cases DATA-SCIENCE-FOUNDATIONS Practice Questions (Page 5)

Questions 21–25

1. 21foundation · easy

   What is the primary use case for Apache HBase?

   • AScripting data flows and ETL processes
   • BStreaming data ingestion and messaging
   • CReal-time random read/write access to large tables
   • DSQL-like querying and data warehousing
   Reveal Solution Discussion Select an answer first
2. 22foundation · easy

   Which Hadoop ecosystem component is most appropriate for ingesting web server logs from multiple servers into HDFS?

   • ASqoop
   • BOozie
   • CKafka
   • DFlume
   Reveal Solution Discussion Select an answer first
4. 23application · medium

   A data engineering team needs to transform and clean large log files in HDFS. They want to write data flow scripts that are more concise than Java MapReduce code, and they are comfortable with a procedural scripting language. Which tool should they use?

   • APig
   • BOozie
   • CSqoop
   • DHive
   Reveal Solution Discussion Select an answer first
5. 24foundation · easy

   What is the purpose of Hadoop Common?

   • ATo manage cluster resources and scheduling
   • BTo provide a SQL-like query interface
   • CTo store the metadata of the Hadoop file system
   • DTo provide shared libraries and utilities used by other Hadoop modules
   Reveal Solution Discussion Select an answer first
6. 25application · medium

   A developer is writing a custom MapReduce job and needs to access common utilities and libraries (e.g., configuration, I/O, serialization) that are shared across Hadoop modules. Which component provides these?

   • AHDFS
   • BMapReduce
   • CYARN
   • DHadoop Common
   Reveal Solution Discussion Select an answer first