Privacy settings and data protection in Intro to Computing - Practice Problems & Coding Challenges

Challenge - 5 Problems

🧠 Conceptual

intermediate

Understanding Data Encryption

Imagine you want to send a secret message to a friend using a locked box. Which of the following best describes how data encryption works in protecting your message?

A It locks the message in a box that only your friend can open with a special key.

B It hides the message by mixing it with other messages so it looks like noise.

C It sends the message openly but asks your friend to ignore it if they don't recognize it.

D It copies the message many times to make sure it reaches your friend safely.

💡 Hint

Think about how a locked box protects something from being read by others.

Encryption locks data so only someone with the correct key can unlock and read it, similar to a locked box.

❓ trace

intermediate

Tracing Data Access Permissions

Consider a system where users have different access levels: Admin, Editor, and Viewer. Given the following flowchart, which user type can only view data but cannot edit or delete it?

Intro to Computing

Start -> Check User Role -> If Admin: Full Access -> If Editor: Edit Access -> If Viewer: View Only -> End

A Admin

B Guest

C Editor

D Viewer

💡 Hint

Think about the role that has the least permissions.

Viewers can only see data without making changes, unlike Admins or Editors who have more permissions.

❓ identification

advanced

Identifying Privacy Risks in Data Sharing

Which of the following scenarios poses the greatest risk to personal data privacy?

A Sharing your email address only with trusted friends.

B Posting your full home address on a public social media profile.

C Using a strong password for your online accounts.

D Regularly updating your software to fix security issues.

💡 Hint

Consider what information is sensitive and how public it is.

Posting your full home address publicly exposes sensitive personal information to anyone, increasing privacy risks.

❓ Comparison

advanced

Comparing Data Protection Methods

Which data protection method is more effective at preventing unauthorized access to data stored on a lost device?

A Backing up data regularly to the cloud.

B Installing antivirus software.

C Encrypting the data stored on the device.

D Using a strong password to log in.

💡 Hint

Think about what protects data even if someone gets physical access to the device.

Encryption protects data by making it unreadable without the key, even if the device is lost or stolen.

🚀 Application

expert

Applying Privacy Settings to Protect Data

You want to share photos with only a select group of friends on a social media platform. Which privacy setting should you choose to ensure only those friends can see your photos?

A Use the 'Friends Only' setting to restrict access to your friends.

B Share photos via direct messages to individual friends.

C Set your profile to 'Public' so everyone can see your photos.

D Disable all privacy settings to avoid confusion.

💡 Hint

Consider a setting that limits visibility to your friends but not everyone.

The 'Friends Only' setting restricts photo visibility to your friends, protecting your privacy from the public.

Practice

1.

What is the main purpose of privacy settings on a social media account?

easy

A. To control who can see your personal information

B. To speed up your internet connection

C. To delete your account automatically

D. To change the color of the website

Solution

1. Step 1: Understand what privacy settings do

   Privacy settings allow users to decide who can view their personal details and posts.

2. Step 2: Compare options to the purpose

   Only To control who can see your personal information matches the purpose of controlling visibility of personal information.

3. Final Answer:

   To control who can see your personal information -> Option A

4. Quick Check:

   Privacy settings = control visibility [OK]

Hint: Privacy settings control visibility of your info [OK]

Common Mistakes:

• Confusing privacy settings with performance features
• Thinking privacy settings delete accounts
• Assuming privacy settings change website appearance

2.

Which of the following is the correct way to create a strong password?

Options:
A) 123456
B) password
C) abcdefg
D) P@ssw0rd!2024

easy

A. P@ssw0rd!2024

B. password

C. abcdefg

D. 123456

Solution

1. Step 1: Identify characteristics of a strong password

   A strong password uses a mix of letters, numbers, and symbols to be hard to guess.

2. Step 2: Evaluate each option

   P@ssw0rd!2024 contains uppercase, lowercase, numbers, and symbols, making it strong; others are simple and easy to guess.

3. Final Answer:

   P@ssw0rd!2024 -> Option A

4. Quick Check:

   Strong password = mix of characters [OK]

Hint: Strong passwords mix letters, numbers, symbols [OK]

Common Mistakes:

• Using simple or common words as passwords
• Ignoring the use of symbols or numbers
• Choosing passwords that are easy to guess

3.

Consider this flowchart for data protection steps:

What is the correct order of actions to protect your data according to the flowchart?

medium

A. Update Privacy Settings, Set Password, Enable 2FA

B. Enable 2FA, Set Password, Update Privacy Settings

C. Set Password, Enable 2FA, Update Privacy Settings

D. Set Password, Update Privacy Settings, Enable 2FA

Solution

1. Step 1: Read the flowchart steps in order

   The flowchart shows the sequence: Start -> Set Password -> Enable 2FA -> Update Privacy Settings -> End.

2. Step 2: Match the sequence to options

   Only Set Password, Enable 2FA, Update Privacy Settings matches the exact order from the flowchart.

3. Final Answer:

   Set Password, Enable 2FA, Update Privacy Settings -> Option C

4. Quick Check:

   Flowchart order = A [OK]

Hint: Follow flowchart arrows step-by-step [OK]

Common Mistakes:

• Mixing up the order of steps
• Ignoring the flowchart direction
• Assuming steps can be done in any order

4.

Look at this code snippet for setting a password and enabling privacy:

password = "mypassword"
if len(password) >= 8:
    privacy_enabled = True
else
    privacy_enabled = False
print(privacy_enabled)

What is the error in this code?

medium

A. Password length check is incorrect

B. Print statement syntax is wrong

C. Variable privacy_enabled is not defined

D. Missing colon after else statement

Solution

1. Step 1: Check syntax of if-else statements

   In Python, the else statement must end with a colon (:).

2. Step 2: Identify the missing colon

   The else line is missing the colon, causing a syntax error.

3. Final Answer:

   Missing colon after else statement -> Option D

4. Quick Check:

   Else needs colon (:) [OK]

Hint: Check colons after if and else lines [OK]

Common Mistakes:

• Forgetting colons after else
• Thinking variable is undefined
• Misreading print statement syntax

5.

You want to protect your online account data. Which combination of actions below best improves your data protection?

• 1. Use a strong password
• 2. Share your password with friends
• 3. Enable two-factor authentication (2FA)
• 4. Keep your privacy settings public
• 5. Regularly update your password

hard

A. 1, 2, and 4 only

B. 1, 3, and 5 only

C. 2 and 4 only

D. 3 and 4 only

Solution

1. Step 1: Identify actions that protect data

   Using strong passwords, enabling 2FA, and updating passwords regularly improve security.

2. Step 2: Exclude risky actions

   Sharing passwords and keeping privacy settings public reduce protection and increase risk.

3. Final Answer:

   1, 3, and 5 only -> Option B

4. Quick Check:

   Safe actions = 1, 3, 5 [OK]

Hint: Choose actions that increase security, avoid sharing info [OK]

Common Mistakes:

• Including sharing passwords as safe
• Thinking public privacy settings protect data
• Ignoring the importance of updating passwords