Free Access MongoDB.C100DEV.v2025-04-24.q83 Practice Test (Page 17)

Question 76

Select all valid BSON types in MongoDB. (select 4)

A.ObjectId

B.Boolean

C.String

D.Array

E.Dictionary

Question 77

Data modeling. You are considering the use of nesting or references in your data model. Documents can grow rapidly. Which option would be more appropriate?

A.Use of nesting.

B.Use of reference.

Question 78

Select all true statements about the differences between mongoexport and mongodump.

A.mongoexport outputs BSON file, but mongodump outputs JSON file.

B.mongoexport outputs JSON file, but mongodump outputs BSON file.

C.mongodump can create a data file and a metadata file, but mongoexport just creates a data file.

D.By default, mongodump sends output to stdout, but mongoexport writes to a file.

E.mongodump is typically faster than mongoexport

Question 79

Select all true statements about reconfiguring a replica set with rs.reconfig().

A.When we reconfigure a replica set with rs.reconfig(), we don't need to restart any of the individual nodes.

B.When we reconfigure a replica set with rs.reconfig(), we need to update all of the nodes' configuration files.

Question 80

How to connect to MongoDB with mongod to localhost running on port 27017?

A.mongo --host 127.0.0.1:27017

B.mongo --host 127.0.0.1:27000

C.mongoconnect --host 127.0.0.1:27017

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Question 76

Question 77

Question 78

Question 79

Question 80

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