Mongodb

Mongodb

University

59 Qs

quiz-placeholder

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Mongodb

Mongodb

Assessment

Quiz

Education

University

Hard

Created by

nguyen thientu

Used 10+ times

FREE Resource

59 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

MongoDB is one of the leading NoSQL databases?


False

True


2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

MongoDB indexes use a _______ data structure.


B-tree


All of the mentioned

Hash

Map

3.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Consider a one-to-many relationship observed between a county and the cities in that county. Which of the following are valid ways to represent this one-to-many relationship with the document model in MongoDB?

document having a field to reference the document of its county.


Embed the entities for the cities as an array of sub-documents in the corresponding county document.

Embed all the fields for a city as a subdocument in the corresponding county document.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is not part of the first phase of the data modeling methodology?

Identifying the durability of each write operation.



Listing the write operations.


Listing the read operations.

Quantifying each of the operations in terms of latency and frequency

Identifying the relationships between the units of data.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

_______ scaling adds more CPU and storage resources to increase capacity.

All of the mentioned


Horizontal


Vertical



Partition

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following pattern is best for static trees that do not change?


Root


Parent


Child

None of the mentioned

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The ________ References pattern stores each tree node in a document; in addition to the tree node, the document stores the id of the node’s parent.


Root

Child

None of the mentioned



Parent


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