Point out the correct statement.(a) In MongoDB, clients cannot see the results of writes before they are made durable(b) Users may configure read preference on a per-connection basis to prefer that the read operations return results from the secondary members(c) Clients cannot read data which may be subsequently rolled back(d) None of the mentionedThe question was asked in semester exam.My doubt stems from Master Slave Replication in division Replication Concepts, Processes and Replication Set of MongoDB

Point out the correct statement.(a) In MongoDB, clients cannot see the

1.	Point out the correct statement.(a) In MongoDB, clients cannot see the results of writes before they are made durable(b) Users may configure read preference on a per-connection basis to prefer that the read operations return results from the secondary members(c) Clients cannot read data which may be subsequently rolled back(d) None of the mentionedThe question was asked in semester exam.My doubt stems from Master Slave Replication in division Replication Concepts, Processes and Replication Set of MongoDB
Answer» CORRECT ANSWER is (b) Users may configure read preference on a per-connection basis to prefer that the read operations RETURN results from the secondary members The explanation is: If clients configure the read preference to permit secondary reads, read operations can return data from secondary members that have not replicated more RECENT write operations.

Discussion

No Comment Found

Related InterviewSolutions

______ returns basic help text for replica set functions.(a) rs.printSlaveReplicationInfo()(b) rs.printReplication()(c) rs.help()(d) all of the mentionedI got this question in my homework.My doubt is from Member Configuration topic in chapter Replication Concepts, Processes and Replication Set of MongoDB
_________ members allow you to add additional members for read distribution beyond the maximum seven voting members.(a) Voting(b) Non-voting(c) Priority(d) all of the mentionedI got this question during an internship interview.I'm obligated to ask this question of Member Configuration in portion Replication Concepts, Processes and Replication Set of MongoDB
Remove the secondary from the replica set by calling___________ method.(a) rs.removeRepli()(b) rs.remove()(c) rs.removeset()(d) isMasterI have been asked this question during a job interview.My question is taken from Member Configuration topic in portion Replication Concepts, Processes and Replication Set of MongoDB
If the oplog is shorter than the slaveDelay window, the _______ member cannot successfully replicate operations.(a) hidden(b) delayed(c) priority(d) all of the mentionedThis question was posed to me during an online interview.Origin of the question is Member Configuration topic in portion Replication Concepts, Processes and Replication Set of MongoDB
The _________ shell method can force the current primary to step down, which causes an election.(a) rs.repliconfig()(b) rs.config()(c) rs.reconfig()(d) all of the mentionedThis question was posed to me in an interview.My query is from Member Configuration topic in chapter Replication Concepts, Processes and Replication Set of MongoDB
Point out the wrong statement.(a) Before an election the primary opens all open client connections(b) To block a member from seeking election as primary, assign it a priority of 0(c) Hidden members, delayed members, and arbiters all have priority set to 0(d) All of the mentionedI have been asked this question by my college director while I was bunking the class.This intriguing question originated from Member Configuration in division Replication Concepts, Processes and Replication Set of MongoDB
To modify priorities, you update the members _________ in the replica configuration object.(a) array(b) tag(c) mdimarray(d) all of the mentionedThe question was asked during an interview for a job.The query is from Member Configuration in chapter Replication Concepts, Processes and Replication Set of MongoDB
The ________ settings of replica set members affect the outcomes of elections for primary.(a) priority(b) replication(c) Initiate(d) all of the mentionedThis question was addressed to me during an internship interview.My question is based upon Member Configuration in division Replication Concepts, Processes and Replication Set of MongoDB
Point out the correct statement.(a) The value of the member’s priority setting determines the member’s priority in elections(b) The default value for the priority field is 3(c) The value of priority can be any floating point (i.e. decimal) number between 0 and 500(d) None of the mentionedThis question was posed to me during an online exam.Query is from Member Configuration topic in division Replication Concepts, Processes and Replication Set of MongoDB
_______ is an internal command that applies oplog entries to the current data set.(a) replSetSyncFrom(b) resync(c) applyOps(d) isMasterThis question was addressed to me in an international level competition.Origin of the question is Troubleshooting in chapter Replication Concepts, Processes and Replication Set of MongoDB

Discussion

No Comment Found

Related InterviewSolutions

Reply to Comment