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Module 3 - (1/2) Gathering Data Flashcards | StudBud
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Module 3 - (1/2) Gathering Data
Module 3 - (1/2) Gathering Data
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Questions
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Answers
1
What process involves sending a "smart robot" to pull specific info from a webpage?
RSS Feeds
Data Streams
Web Scraping
Data Exchange
2
What do your overall goals help decide?
Your favourite colour.
Lunch plans.
What info to collect.
Your job title.
3
Which
Big Data
characteristic refers to the diversity and multiple formats of data sources?
Veracity.
Volume.
Velocity.
Variety.
4
Which data source involves constant flows from smart devices?
XML files.
Surveys.
Sensor Data.
Databases.
5
Which database type excels at storing
messy, unorganised data
like images?
Data Mart
Relational Database
Data Warehouse
NoSQL Database
6
What storage is best for
organised data
in rows and columns?
Data Lake
ETL Tool
Relational Database
NoSQL Database
7
What's the main benefit of
NoSQL Databases
over relational ones for data volume and diversity?
High hardware cost.
Standardised SQL query language.
Strict ACID compliance.
Schema flexibility and distributed scale.
8
Which language is known for creating
aesthetically pleasing data visualisations
, alongside statistical analysis?
SQL.
Java.
R.
Python.
9
What type of data includes emails or XML files, being partly organised?
Unstructured.
Structured.
Raw.
Semi-structured.
10
What are the three crucial considerations for data you collect?
Speed, cost, age.
Quality, security, privacy.
Fun, easy, cheap.
Size, colour, smell.
11
Which method gives you constant, real-time updates from smart devices or GPS?
Data Streams
Research Firms
APIs
Web Scraping
12
What should you create to define how much data is enough?
A data collection plan.
A shopping list.
A new song.
A puzzle.
13
What type of data is collected directly by you?
Secondary.
Third-party.
Public.
Primary.
14
What do
ETL Tools & Data Pipelines
help you do with data before storage?
Only analyse it.
Only delete it.
Buy new data.
Move & prepare it.
15
What is the primary role of
metadata
in a data ecosystem?
To format reports.
To hide data.
To automatically clean data.
To understand data (data about data).
16
What is data you find in existing research articles called?
Primary.
Purchased.
Internal.
Secondary.
17
What storage type is best for
all types of data
kept in its original, raw form?
Relational Database
Data Lake
NoSQL Database
Data Mart
18
What kind of task are
shell and scripting languages
(like Unix Shell) most useful for a data analyst?
Developing complex applications.
Advanced statistical analysis.
Repetitive operational tasks.
Creating graphical user interfaces.
19
What do you call data bought from aggregators?
Third-party.
Public.
Direct.
Internal.
20
Which data source allows programs to get info from websites?
APIs.
Interviews.
Surveys.
Sensors.
21
What method gathers info via questionnaires?
Surveys.
Observation.
Web Scraping.
Interviews.
22
Which process is essential for turning raw data into ready-for-analysis data?
Web Scraping.
Data Streaming.
API Invocation.
ETL (Extract, Transform, Load).
23
What type of data is best for
relational databases
, considering their strict structure?
Social media data
Video data
Email data
Structured data
24
What's the first step after understanding your problem?
Identify needed data.
Write a report.
Buy software.
Call customers.
25
Which data gathering method is ideal for
continuous updates
from news sites and online forums?
APIs.
RSS Feeds.
Data Streams.
Web Scraping.
26
What type of data comes from your own company's internal systems?
Primary.
Public web.
Secondary.
Third-party.
27
What are the safe places where companies can swap data securely and follow rules?
Data Exchange Platforms
Web Scraping tools
Databases
RSS Feeds
28
What method pulls specific data from websites automatically?
Surveys.
Web Scraping.
Feeds.
Interviews.
29
What must you define for collecting data from sources?
A new app idea.
Data collection methods.
A secret code.
Your holidays.
30
What's the special language used to ask questions to organised databases?
SQL
Java
R
Python
31
What's the main difference of
Data Lakes
compared to Data Warehouses, especially regarding data format?
Stores raw data in native format.
Does not allow predictive analysis.
Designed for specific business functions.
Only for historical data.
32
What kind of data do you get from existing research articles?
Third-party.
Secondary.
Primary.
Public web.
33
What is data you pay for from other companies (aggregators)?
Primary.
Third-party.
Public web.
Secondary.
34
What are the "digital doorways" that let different apps talk and grab data?
Data Streams
APIs
Web Scrapers
RSS Feeds
35
Which source provides data from smartwatches and phones?
Sensor Data.
Interviews.
Census.
Surveys.
