___________ provides Java-based indexing and search technology.
(a) Solr
(b) Lucene Core
(c) Lucy
(d) All of the mentioned
I got this question by my school principal while I was bunking the class.
Origin of the question is Lucene with Hadoop topic in division Apache Spark, Flume, Lucene, Hama, HCatalog, Mahout, Drill, Crunch and Thrift of Hadoop