MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Mongodb knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following document configures the threshold which determines whether a query is “slow” for the purpose of the logging system? |
| A. | systemLog.verbosity |
| B. | operationProfiling.mode |
| C. | operationProfiling.slowOpThresholdMs |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 2. |
On Linux, use the ______ command to check if disk I/O is a bottleneck for your database. |
| A. | stat |
| B. | iostats |
| C. | iostat |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 3. |
Which of the following represents Shared lock? |
| A. | R |
| B. | w |
| C. | r |
| D. | W |
| Answer» B. w | |
| 4. |
When the TTL thread is active, you will see _______ operations in the output of db.currentOp(). |
| A. | read |
| B. | update |
| C. | delete |
| D. | all of the mentioned |
| Answer» D. all of the mentioned | |
| 5. |
Which_of_the_following_document_configures_the_threshold_which_determines_whether_a_query_is_“slow”_for_the_purpose_of_the_logging_system?$# |
| A. | systemLog.verbosity |
| B. | operationProfiling.mode |
| C. | operationProfiling.slowOpThresholdMs |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 6. |
Which of the following represents Shared lock ? |
| A. | R |
| B. | w |
| C. | r |
| D. | W |
| Answer» B. w | |
| 7. |
MongoDB stores tag sets in the replica set configuration object, which is the document returned by _____ |
| A. | rs.config() |
| B. | rs.conf() |
| C. | rs.confstats() |
| D. | all of the mentioned |
| Answer» C. rs.confstats() | |
| 8. |
The _________ field provides the amount of resident memory in use. |
| A. | mem.resident |
| B. | memory.resident |
| C. | mem.resident |
| D. | all of the mentioned |
| Answer» D. all of the mentioned | |
| 9. |
The ___________ collection stores custom roles that administrators create and assign to users to provide access to specific resources. |
| A. | admin.system.role |
| B. | admin.system.roles |
| C. | admin.system.roleasign |
| D. | all of the mentioned |
| Answer» C. admin.system.roleasign | |
| 10. |
________ contains a counter of the total number of clients with active operations in progress or queued. |
| A. | globalLock.active |
| B. | localLock.activeClients |
| C. | globalLock.activeClients |
| D. | all of the mentioned |
| Answer» D. all of the mentioned | |