HTTP and HTTPS protocols in Intro to Computing - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to specify the protocol used in a URL.

Intro to Computing

url = "[1]://www.example.com"

Drag options to blanks, or click blank then click option'

Ahttp

Bfile

Cftp

Dsmtp

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'ftp' which is for file transfers, not web pages.

Using 'smtp' which is for email sending.

The http protocol is used for standard web communication without encryption.

2fill in blank

medium

Complete the code to specify the secure protocol used in a URL.

Intro to Computing

secure_url = "[1]://www.secure-site.com"

Drag options to blanks, or click blank then click option'

Ahttp

Bftp

Chttps

Dtelnet

Attempts:

3 left

💡 Hint

Common Mistakes

Choosing 'http' which is not secure.

Choosing 'ftp' which is unrelated to web security.

The https protocol is the secure version of HTTP, encrypting data between browser and server.

3fill in blank

hard

Fix the error in the code to check if a URL uses HTTPS.

Intro to Computing

if url.startswith("[1]"):
    print("Secure connection")

Drag options to blanks, or click blank then click option'

Ahttps://

Bftp://

Chttp://

Dfile://

Attempts:

3 left

💡 Hint

Common Mistakes

Checking for 'http://' which is not secure.

Using unrelated protocols like 'ftp://' or 'file://'.

To check for a secure connection, the URL must start with https://.

4fill in blank

hard

Fill both blanks to create a simple flowchart step that checks protocol and prints the result.

Intro to Computing

if url.startswith("[1]"):
    print("[2] connection")

Drag options to blanks, or click blank then click option'

Ahttps://

BSecure

Chttp://

DInsecure

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'http://' for secure check.

Printing 'Insecure connection' when the URL is secure.

The code checks if the URL starts with https:// and prints Secure connection if true.

5fill in blank

hard

Fill all three blanks to create a dictionary comprehension that maps URLs to their security status.

Intro to Computing

status = {url: "[1]" if url.startswith("[2]") else "[3]" for url in urls}

Drag options to blanks, or click blank then click option'

ASecure

Bhttps://

CInsecure

Dhttp://

Attempts:

3 left

💡 Hint

Common Mistakes

Mixing up 'http://' and 'https://'.

Using wrong labels for security status.

This dictionary comprehension labels URLs as Secure if they start with https://, otherwise Insecure.