MongoDB Mock Test 9 - Sanfoundry

10%

Question 1 of 10

1. ________ prints a report of the status of the replica set from the perspective of the primary.

secondary

rs.freeze()

rs.printReplicationInfo()

rs.printconf()

Question 1 of 10

Question 2 of 10

2. Point out the correct statement.

A priority 1 member maintains a copy of the data set, accepts read operations, and votes in elections

Elections does not occur when the primary becomes unavailable and the replica set members autonomously select a new primary

None of the mentioned

In a two-member replica set, in one data center hosts the primary and a secondary.

Question 2 of 10

Question 3 of 10

3. A replica set member becomes _________ when its replication process falls so far behind that the primary overwrites oplog entries the member has not yet replicated.

state

dead

secondary

stale

Question 3 of 10

Question 4 of 10

4. _________ prevents the current member from seeking election as primary for a period of time.

rs.conf()

secondary

rs.freeze()

rs.printReplicationInfo()

Question 4 of 10

Question 5 of 10

5. Which of the command is for master-slave replication only?

isMaster

replSetSyncFrom

applyOps

resync

Question 5 of 10

Question 6 of 10

6. To protect your data if your main data center fails, keep at least _______ member in an alternate data center.

none of the mentioned

three

two

one

Question 6 of 10

Question 7 of 10

7. For a member to sync from another, both members must have the same value for the _________ setting.

secondary

getIndexes

buildpriIndexes

buildIndexes

Question 7 of 10

Question 8 of 10

8. Point out the wrong statement.

To change the size of the oplog, you must perform maintenance on each member of the replica set in turn

Always start rolling replica set maintenance with the secondaries, and finish with the maintenance on primary member

The oplog exists internally as a capped collection

None of the mentioned

Question 8 of 10

Question 9 of 10

9. ______ returns basic help text for replica set functions.

rs.help()

rs.printSlaveReplicationInfo()

rs.printReplication()

all of the mentioned

Question 9 of 10

Question 10 of 10

10. Point out the wrong statement.

There is a practical maximum capability for vertical scaling

cloud-based providers may only allow users to provision smaller instances

All of the mentioned

Scaling by adding capacity do not have limitations.

Question 10 of 10