Database - Mongodb - Mongodb Test

Test Instructions :

1. The Test is 1hr duration.
2. The Test Paper consists of 30 questions. The maximum marks are 30.
3. All the questions are multiple choice question type with three options for each question.
4. Out of the three options given for each question, only one option is the correct answer.
5. Each question is allotted 1 mark for each correct response.
6. 0.25 will be deducted for incorrect response of each question.
Start Test

   Time Left : 00 : 30    : 00

Select the correct statement :

  

  

  

  

Which of the following operator is not very selective ?

  

  

  

  

The ________ message is used to update a document in a collection.

  

  

  

  

_________ allows only one agent of each type per machine and will remove additional agents.

  

  

  

  

_____________ is used to initiate relica member set.

  

  

  

  

_______ returns the remainder of the first number divided by the second.

  

  

  

  

MongoDB supports the execution of JavaScript code for certain server-side operations like:

  

  

  

  

Point out the correct statement :

  

  

  

  

The __________ method returns a document that includes a metrics field.

  

  

  

  

Ops Manager _________ provides an interface for configuring MongoDB nodes and clusters and for upgrading your MongoDB deployment.

  

  

  

  

Instance exits cleanly is represented by ___ exit code

  

  

  

  

Use __________ to encrypt communication between mongod and mongos components of a MongoDB client as well as between all applications and MongoDB.

  

  

  

  

GridFS uses a _________ index on the chunks collection for the files_id and n fields.

  

  

  

  

If your storage system does not support snapshots, you can copy the files directly using :

  

  

  

  

To describe the message structure, a ________ like struct is used.

  

  

  

  

Object_Id is similar to _________ key in Relational Databases

  

  

  

  

What would be the maximum document size for results of mapreduce operation ?

  

  

  

  

________ subtracts two dates to return the difference in milliseconds

  

  

  

  

MongoDB scales horizontally using _________ for load balancing purpose.

  

  

  

  

______________ specifies the number of documents to return in each batch of the response from the MongoDB instance.

  

  

  

  

Select the correct statement :

  

  

  

  

In MongoDB, _________ operations modify the data of a single collection.

  

  

  

  

MongoDB stores all documents in :

  

  

  

  

$ne returns true if the values are not _______

  

  

  

  

Ops Manager reads directly from the Backup Blockstore database and transfers files either through :

  

  

  

  

Map-reduce uses custom __________ functions to perform the map and reduce operations.

  

  

  

  

Point out the wrong statement :

  

  

  

  

If you use the localhost exception when deploying a new MongoDB system, the first user you create must be in the ________ database.

  

  

  

  

Which of the following query is used to generate a new ObjectId, use the ObjectId() constructor with no argument

  

  

  

  

Select the correct statement :

  

  

  

  

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