Data Context Quiz

Which of the following statements about data visualization is false?

• Data visualization helps make complex numerical data easier to understand.

• The choice of chart depends on the type of data being represented.

• A line graph is typically used to show changes in temperature over time.

• Infographics cannot contain both text and visual elements.

Match each type of chart with the type of data it best represents:

• Proportions of a whole

• Histogram

• Comparing sales figures of different pro

• Pie Chart

• Distribution of data

• Bar Chart

• Trends over time

• Line Graph

• Relationship between two variables

• Scatter Plot

Identify two advantages of using infographics to present data.

A meteorologist wants to present historical rainfall data for multiple cities. Which visualization method would be most appropriate?

• Pie Chart

• Bar Chart

• Line Graph

• Scatter Plot

Describe one way that spreadsheet software can enhance the presentation of numerical data.

Which encryption method is more secure for online transactions, and why?

• Symmetric encryption, because it uses a single key for both encryption and decryption

• Public-key encryption, because it uses separate keys for encryption and decryption

• Symmetric encryption, because it requires lower computational power

• Public-key encryption, because the same key is shared between all users

Match the encryption method with its use case:

• Secure login authentication in online ba

• Public-Key Encryption

• Ensuring data integrity

• Hashing

• Encrypting stored data in a company data

• Symmetric Encryption

Define encryption in cybersecurity.

Which of the following is an example of public-key encryption?

• A Wi-Fi network requiring a password for access

• A secure website using HTTPS

• A USB drive locked with a PIN code

• A personal document protected by a local password

Describe how Secure Socket Layer (SSL) and Transport Layer Security (TLS) protect online data transmission.