Point out the wrong statement.(a) When fully synchronized, the destination shard connects to the config database and updates the cluster metadata with the new location for the chunk(b) The destination shard builds any indexes required by the source that do not exist on the destination(c) The destination shard begins requesting documents in the chunk and starts receiving copies of the data(d) None of the mentionedThe question was posed to me in quiz.My query is from Sharding Mechanics topic in chapter Sharding Concepts, Mechanics and Sharded Cluster of MongoDB

Point out the wrong statement.(a) When fully synchronized, the destina

1.	Point out the wrong statement.(a) When fully synchronized, the destination shard connects to the config database and updates the cluster metadata with the new location for the chunk(b) The destination shard builds any indexes required by the source that do not exist on the destination(c) The destination shard begins requesting documents in the chunk and starts receiving copies of the data(d) None of the mentionedThe question was posed to me in quiz.My query is from Sharding Mechanics topic in chapter Sharding Concepts, Mechanics and Sharded Cluster of MongoDB
Answer» Correct choice is (d) None of the mentioned For explanation I would say: After the destination shard completes the UPDATE of the METADATA, and once there are no open cursors on the chunk, the SOURCE shard deletes its copy of the DOCUMENTS.

Discussion

No Comment Found

Related InterviewSolutions

_________ is an internal command that supports the sharding functionality.(a) getBalancerHost()(b) getShardMap(c) enableSharding()(d) all of the mentionedThe question was posed to me during a job interview.Query is from Sharded Cluster Data Management topic in division Sharding Concepts, Mechanics and Sharded Cluster of MongoDB
You can only issue listShards against the ________ database.(a) local(b) admin(c) temp(d) none of the mentionedThe question was asked during an online interview.This intriguing question comes from Sharded Cluster Data Management topic in portion Sharding Concepts, Mechanics and Sharded Cluster of MongoDB
Which of the following command is used to determine split points?(a) splitVector(b) medianKey(c) movePrimary(d) none of the mentionedThe question was posed to me in semester exam.I need to ask this question from Sharded Cluster Data Management in portion Sharding Concepts, Mechanics and Sharded Cluster of MongoDB
Which of the following command that validates index on shard key?(a) checkShardingIndex(b) checkSIndex(c) enableSharding(d) all of the mentionedThe question was posed to me in class test.This key question is from Sharded Cluster Data Management topic in division Sharding Concepts, Mechanics and Sharded Cluster of MongoDB
Point out the wrong statement.(a) moveChunks provides the ability to combine chunks on a single shard(b) setShardVersion is used to set the config server version(c) shardCollection enables the sharding functionality for a collection, allowing the collection to be sharded(d) none of the mentionedI had been asked this question in exam.This intriguing question comes from Sharded Cluster Data Management in section Sharding Concepts, Mechanics and Sharded Cluster of MongoDB
_______ forces an update to the cluster metadata cached by a mongos.(a) config(b) flushconf(c) flushRouterConfig(d) all of the mentionedI had been asked this question by my school principal while I was bunking the class.The question is from Sharded Cluster Data Management topic in chapter Sharding Concepts, Mechanics and Sharded Cluster of MongoDB
_________ waits for a change in ping state from one of the mongos in the sharded cluster.(a) sh.waitForBalancer()(b) sh.startBalancer()(c) sh.waitForPingChange()(d) all of the mentionedThis question was addressed to me in semester exam.The above asked question is from Sharded Cluster Data Management topic in portion Sharding Concepts, Mechanics and Sharded Cluster of MongoDB
Point out the correct statement.(a) sh.deadForDLock() waits for a specified distributed sharded cluster lock(b) sh.waitForBalancerOff() waits until the balancer stops running(c) sh.statusserver() reports on the status of a sharded cluster, as db.printShardingStatus()(d) all of the mentionedThe question was asked by my school teacher while I was bunking the class.I need to ask this question from Sharded Cluster Data Management in section Sharding Concepts, Mechanics and Sharded Cluster of MongoDB
_______ enables the balancer and waits for balancing to start.(a) sh.waitForBalancer()(b) sh.startBalancer()(c) sh.waitForDLock()(d) all of the mentionedThe question was asked in exam.My question is from Sharded Cluster Data Management topic in division Sharding Concepts, Mechanics and Sharded Cluster of MongoDB
_______ activates the sharded collection balancer process if previously disabled using sh.disableBalancing().(a) sh.getBalancerHost()(b) sh.enableBalancing()(c) sh.enableSharding()(d) all of the mentionedI got this question by my school principal while I was bunking the class.Origin of the question is Sharded Cluster Data Management topic in portion Sharding Concepts, Mechanics and Sharded Cluster of MongoDB

Discussion

No Comment Found

Related InterviewSolutions

Reply to Comment