Cloud network security groups in Cybersecurity - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to identify what a security group controls in cloud networking.

Cybersecurity

A security group primarily controls [1] to and from cloud resources.

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Abilling details

Bstorage capacity

Cuser permissions

Dnetwork traffic

Attempts:

3 left

💡 Hint

Common Mistakes

Confusing security groups with user access controls.

Thinking security groups manage storage or billing.

Security groups act like virtual firewalls that control network traffic to and from cloud resources.

2fill in blank

medium

Complete the code to specify the type of rules security groups use.

Cybersecurity

Security groups use [1] rules to allow or deny traffic based on IP addresses and ports.

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Astateful

Bstateless

Cencryption

Dauthentication

Attempts:

3 left

💡 Hint

Common Mistakes

Confusing stateful with stateless rules.

Thinking security groups handle encryption or authentication.

Security groups use stateful rules, meaning they remember allowed connections and automatically allow return traffic.

3fill in blank

hard

Fix the error in the statement about security group rules.

Cybersecurity

Security groups [1] deny rules; they only allow traffic explicitly.

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Aalways include

Bnever include

Csometimes include

Dignore

Attempts:

3 left

💡 Hint

Common Mistakes

Assuming security groups have explicit deny rules.

Confusing security groups with network ACLs that have deny rules.

Security groups do not have deny rules; they only allow traffic that matches their rules. All other traffic is implicitly denied.

4fill in blank

hard

Fill both blanks to complete the dictionary comprehension that creates a security group rule set allowing only HTTP and HTTPS traffic.

Cybersecurity

rules = {port: 'allow' for port in [1] if port [2] [80, 443]}

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A[80, 443, 22, 25]

Bin

Cnot in

D[22, 25, 53]

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'not in' instead of 'in' causing wrong filtering.

Using a list without the required ports.

The comprehension iterates over ports including 80 and 443, and allows only those ports by checking if the port is in the list [80, 443].

5fill in blank

hard

Fill all three blanks to create a dictionary comprehension that maps protocol names to their default ports only if the port number is greater than 20.

Cybersecurity

protocol_ports = [1]: [2] for [3], [2] in [('http', 80), ('ftp', 21), ('ssh', 22)] if [2] > 20

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Aproto

Bport

Cproto_port

Dproto_port[0]

Attempts:

3 left

💡 Hint

Common Mistakes

Using inconsistent variable names.

Using port number as key instead of protocol name.

The comprehension unpacks each tuple into proto (protocol name) and port, mapping proto to port only if port > 20.