Related InterviewSolutions

• _________ can be configured per table for non-QUORUM consistency levels.(a) Read repair(b) Read damage(c) Write repair(d) None of the mentionedThe question was posed to me in examination.This intriguing question originated from Cassandra with Hadoop in chapter ZooKeeper, Sqoop and Cassandra of Hadoop
• There are _________ types of read requests that a coordinator can send to a replica.(a) two(b) three(c) four(d) all of the mentionedThe question was asked in quiz.I would like to ask this question from Cassandra with Hadoop in chapter ZooKeeper, Sqoop and Cassandra of Hadoop
• The type of __________ strategy Cassandra performs on your data is configurable and can significantly affect read performance.(a) compression(b) collection(c) compaction(d) decompressionI have been asked this question by my school teacher while I was bunking the class.This interesting question is from Cassandra with Hadoop in division ZooKeeper, Sqoop and Cassandra of Hadoop
• The compression offset map grows to ____ GB per terabyte compressed.(a) 1-3(b) 10-16(c) 20-22(d) 0-1This question was posed to me during an interview for a job.Question is from Cassandra with Hadoop topic in division ZooKeeper, Sqoop and Cassandra of Hadoop
• Point out the wrong statement.(a) A hint indicates that a write needs to be replayed to one or more unavailable nodes(b) When the cluster cannot meet the consistency level specified by the client, Cassandra does store a hint(c) By default, hints are saved for three hours after a replica fails because if the replica is down longer than that, it is likely permanently dead(d) All of the mentionedI had been asked this question during an interview for a job.My question comes from Cassandra with Hadoop topic in section ZooKeeper, Sqoop and Cassandra of Hadoop
• You configure sample frequency by changing the ________ property in the table definition.(a) index_time(b) index_interval(c) index_secs(d) none of the mentionedI have been asked this question in a job interview.I'd like to ask this question from Cassandra with Hadoop in section ZooKeeper, Sqoop and Cassandra of Hadoop
• Point out the correct statement.(a) Cassandra does not immediately remove data marked for deletion from disk(b) A deleted column can reappear if you do not run node repair routinely(c) The deletion of marked data occurs during compaction(d) All of the mentionedI got this question in an online quiz.I want to ask this question from Cassandra with Hadoop topic in section ZooKeeper, Sqoop and Cassandra of Hadoop
• Cassandra searches the __________ to determine the approximate location on disk of the index entry.(a) partition record(b) partition summary(c) partition search(d) all of the mentionedThe question was posed to me in an internship interview.Query is from Cassandra with Hadoop topic in portion ZooKeeper, Sqoop and Cassandra of Hadoop
• _________ is a Cassandra feature that optimizes the cluster consistency process.(a) Hinted handon(b) Hinted handoff(c) Tombstone(d) Hinted tombI got this question in an online quiz.My doubt stems from Cassandra with Hadoop topic in chapter ZooKeeper, Sqoop and Cassandra of Hadoop
• Cassandra marks data to be deleted using _________(a) tombstone(b) combstone(c) tenstone(d) none of the mentionedThe question was posed to me during an interview for a job.My query is from Cassandra with Hadoop topic in portion ZooKeeper, Sqoop and Cassandra of Hadoop