[Thử thách] Học phần 02 - Khóa 01 - Data, Data, Everywhere

To pass 80% or higher

Question 1

Which of the following activities are part of the manage phase of the data life cycle? Select all that apply.

• Consider how best to care for data
• Determine which tools will be most effective at safeguarding data
• Support business goals with data insights
• Choose where the data will be stored

Question 2

Which spreadsheet feature is a preset command that automatically performs a specific process or task?

• Function
• Filter
• Format
• Formula

Question 3

Which of the following statements correctly describe the archive and the destroy phases of the data life cycle? Select all that apply.

• A key reason for destroying data is to protect private company information.
• Shredders may be used to destroy data on paper.
• Even if data is no longer relevant to business goals, it should never be archived. 
• The archive phase involves storing data.

Question 4

What tasks may occur during the ask step of the data analysis process? Select all that apply.

• Communicate with stakeholders
• Properly maintain a database
• Determine whether something needs to be fixed
• Use the five whys

Question 5

Fill in the blank: During the prepare step of the data analysis process, data is collected and _____ for analysis.

• stored
• cleaned
• interpreted
• presented

Question 6

A data team at a timber company works on a project aimed at planting more trees and eliminating deforestation. They discuss what type of data they need and how it will be managed throughout its life cycle. What phase of the data life cycle does this scenario describe?

• Archive
• Plan
• Capture
• Manage

Question 7

A data team at a national retail brand wants to understand why customers return certain items. They have two datasets containing statistics about returns. They clean them, then combine them in order to make the information more complete. What step of the data analysis process does this scenario describe?

• Process
• Analyze
• Share
• Prepare

Question 8

Fill in the blank: During the _____ step of the data analysis process, data analytics professionals use tools such as query languages to drive informed decision-making.

• analyze
• process
• act
• share

Question 9

What are some key benefits of data visualizations? Select all that apply.

• Visuals enable data professionals to more effectively share insights with others.
• Visualizing data ensures findings are unbiased.
• Data visualizations are more engaging than tables and numbers. 
• Graphs and charts help people understand complex data.

Question 10

Fill in the blank: A university system gathers historical academic data from an outside database and information from the internal records of student applications. This work occurs during the _____ phase of the data life cycle.

• plan
• manage
• capture
• analyze