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FIT9132 PASS Week 12

Authored by Yiheng Cai

Information Technology (IT)

University

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FIT9132 PASS Week 12
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9 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which “V” refers to heterogeneity in data structure?

Volume

Velocity

Variety

Veracity

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which “V” emphasizes the rate at which data is generated and must be processed?

Volume

Velocity

Variety

Veracity

3.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Select all that apply. Which of the following are strategies for scaling Big Data systems?

Scaling up

Scaling out

Normalization

Caching

4.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Select all that apply. Which of the following are typical characteristics of NoSQL databases?

Non-relational

ACID by default

Schema-less

Distributed

5.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Select all that apply. Which are the four main categories of NoSQL databases?

Key-Value

Document

Column-oriented

Graph

XML

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a document-oriented database, records are typically stored as:

Relational tables

JSON or BSON documents

Key-value pairs only

CSV files

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which MongoDB method inserts multiple documents in one operation?

insertOne()

insertMany()

saveMany()

createMany()

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