Describe the Hadoop Ecosystem and Related Product Use Cases DATA-SCIENCE-FOUNDATIONS Practice Questions (Page 3)

Questions 11–15

1. 11application · medium

   A media company needs to collect user activity logs from thousands of web servers and make them available in near real-time to multiple downstream consumers (e.g., a real-time dashboard and a recommendation engine). The logs are generated as text files on each server. Which two components best fit this pipeline?

   • ASqoop to import logs from servers, then Hive to stream them to consumers
   • BKafka to collect logs from servers, then Flume to distribute them to consumers
   • COozie to collect logs, then HBase to stream them to consumers
   • DFlume to aggregate logs from servers, then Kafka to buffer and distribute them to consumers
   Reveal Solution Discussion Select an answer first
2. 12application · medium

   A company runs a nightly batch pipeline that consists of multiple MapReduce jobs, a Pig script, and a Hive query, which must run in a specific order. They want to automate this pipeline and be alerted if any step fails. Which tool should they use?

   • AAmbari
   • BOozie
   • CKafka
   • DZooKeeper
   Reveal Solution Discussion Select an answer first
4. 13foundation · easy

   Which Hadoop ecosystem component is best suited for defining a sequence of dependent jobs that must run in a specific order?

   • AZooKeeper
   • BOozie
   • CAmbari
   • DYARN
   Reveal Solution Discussion Select an answer first
5. 14application · medium

   A company is deploying a new Hadoop cluster and wants to simplify installation, configuration, and ongoing monitoring of all services. They also need to manage resource allocation for multiple workloads. Which two components should they use?

   • AAmbari for cluster management and YARN for resource management
   • BOozie for cluster management and HDFS for resource management
   • CZooKeeper for cluster management and MapReduce for resource management
   • DFlume for cluster management and Spark for resource management
   Reveal Solution Discussion Select an answer first
6. 15foundation · easy

   What is the primary use case for Apache Ambari?

   • ADistributed coordination and configuration management
   • BProvisioning, managing, and monitoring Hadoop clusters
   • CWorkflow scheduling and coordination of Hadoop jobs
   • DReal-time data streaming and messaging
   Reveal Solution Discussion Select an answer first