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Exam Professional Cloud Security Engineer All Questions

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Exam Professional Cloud Security Engineer topic 1 question 202 discussion

Actual exam question from Google's Professional Cloud Security Engineer
Question #: 202
Topic #: 1
[All Professional Cloud Security Engineer Questions]

Your Google Cloud organization allows for administrative capabilities to be distributed to each team through provision of a Google Cloud project with Owner role (roles/owner). The organization contains thousands of Google Cloud projects. Security Command Center Premium has surfaced multiple OPEN_MYSQL_PORT findings. You are enforcing the guardrails and need to prevent these types of common misconfigurations.

What should you do?

  • A. Create a hierarchical firewall policy configured at the organization to deny all connections from 0.0.0.0/0.
  • B. Create a hierarchical firewall policy configured at the organization to allow connections only from internal IP ranges.
  • C. Create a Google Cloud Armor security policy to deny traffic from 0.0.0.0/0.
  • D. Create a firewall rule for each virtual private cloud (VPC) to deny traffic from 0.0.0.0/0 with priority 0.
Show Suggested Answer Hide Answer
Suggested Answer: B 🗳️
by K1SMM at Aug. 4, 2023, 1:26 a.m.

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K1SMM
Highly Voted 1 year, 6 months ago
B - https://cloud.google.com/security-command-center/docs/how-to-remediate-security-health-analytics-findings?hl=pt-br#open_mysql_port
upvoted 6 times
dija123
10 months, 4 weeks ago
Link in English: https://cloud.google.com/security-command-center/docs/how-to-remediate-security-health-analytics-findings#open_mysql_port
upvoted 1 times
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BPzen
Most Recent 2 months, 3 weeks ago
Selected Answer: B
The goal is to enforce guardrails and prevent common misconfigurations, such as exposing MySQL to the public internet, while still allowing legitimate access (e.g., internal or authorized sources). A complete block of all traffic (0.0.0.0/0) at the organizational level may be too restrictive. Why Option B is a Better Fit Selective Access: This policy allows connections to MySQL services only from internal IP ranges (e.g., trusted on-premises networks or other VPCs within the organization). By restricting access to authorized ranges, you prevent public exposure without fully disabling MySQL functionality.
upvoted 1 times
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MoAk
2 months, 3 weeks ago
Selected Answer: B
To be honest the Q in itself is crap. Its not specific enough as it does not mention restricting said firewall rules with the SQl port. However having said this, the other answers are crappier so it must be B.
upvoted 1 times
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Mr_MIXER007
5 months, 2 weeks ago
Selected Answer: B
Create a hierarchical firewall policy configured at the organization to allow connections only from internal IP ranges
upvoted 1 times
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3d9563b
7 months ago
Selected Answer: A
Creating a hierarchical firewall policy at the organization level to deny all connections from 0.0.0.0/0 is the most efficient, scalable, and manageable solution to enforce guardrails and prevent common misconfigurations like open MySQL ports across a large number of projects.
upvoted 1 times
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b6f53d8
1 year ago
Selected Answer: B
checked with Bard :P
upvoted 2 times
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Crotofroto
1 year, 1 month ago
Selected Answer: A
The only option that actually blocks access to the MYSQL port is option A. Other rules should be created with higher priority to avoid infrastructure failures. Option B is not correct because it continues to allow unrestricted connections within the VPC, which may pose a risk of lateral movement.
upvoted 3 times
ale_brd_111
1 year ago
Open MySQL port Category name in the API: OPEN_MYSQL_PORT Firewall rules that allow any IP address to connect to MySQL ports might expose your MySQL services to attackers. For more information, see VPC firewall rules overview. The MySQL service ports are: TCP - 3306 This finding is generated for vulnerable firewall rules, even if you intentionally disable the rules. Active findings for disabled firewall rules alert you to unsafe configurations that will allow undesired traffic if enabled. To remediate this finding, complete the following steps: Go to the Firewall page in the Google Cloud console. Go to Firewall In the list of firewall rules, click the name of the firewall rule in the finding. Click edit Edit. Under Source IP ranges, delete 0.0.0.0/0. Add specific IP addresses or IP ranges that you want to let connect to the instance. Add specific protocols and ports you want to open on your instance. Click Save.
upvoted 2 times
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Xoxoo
1 year, 5 months ago
Selected Answer: B
Your Google Cloud organization allows for administrative capabilities to be distributed to each team through provision of a Google Cloud project with Owner role (roles/owner). The organization contains thousands of Google Cloud projects. Security Command Center Premium has surfaced multiple OPEN_MYSQL_PORT findings. You are enforcing the guardrails and need to prevent these types of common misconfigurations. What should you do? A. Create a hierarchical firewall policy configured at the organization to deny all connections from 0.0.0.0/0. B. Create a hierarchical firewall policy configured at the organization to allow connections only from internal IP ranges. C. Create a Google Cloud Armor security policy to deny traffic from 0.0.0.0/0. D. Create a firewall rule for each virtual private cloud (VPC) to deny traffic from 0.0.0.0/0 with priority 0.
upvoted 2 times
arpgaur
1 year, 5 months ago
we can all use Gen AI to get answers, but sometime even they give a wrong one or when prompted to change, they'll just go with whatever you're saying which is no reliable. Please provide a an official link along with the answer to verify. this does not help anyone.
upvoted 2 times
Xoxoo
1 year, 4 months ago
I am pretty sure this is more helpful than saying option B is correct or option B makes sense. Instead of calling out you can be more helpful by providing your own link to justify your answer. AI affirm my answers so i am posting here to help others.
upvoted 1 times
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Xoxoo
1 year, 5 months ago
Here's why Option B is the recommended choice: Hierarchical Firewall Policy: A hierarchical firewall policy set at the organization level allows for centralized control and management of firewall rules across all projects within the organization. This ensures consistent security policies and makes it easier to enforce changes uniformly. Allow Internal IP Ranges: By configuring the firewall policy to allow connections only from internal IP ranges, you are implementing a "default deny" rule for external traffic, which is a security best practice. This effectively blocks traffic from 0.0.0.0/0 (anywhere), helping to prevent open ports and unauthorized access.
upvoted 1 times
zanhsieh
1 month, 4 weeks ago
A: No. Deny all incoming from 0.0.0.0/0 is the firewall default ingress setting. C: No. Cloud Armor mostly works for L7 ALB, which is not the question asked here. Also it doesn't cover all org projects. D: No. This will be cumbersome and inefficient for all projects under the org.
upvoted 1 times
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Xoxoo
1 year, 5 months ago
Options A, C, and D have some drawbacks: Option A (Deny all connections from 0.0.0.0/0) is a strong security measure but could potentially disrupt legitimate traffic if not configured carefully. It's usually recommended to follow the principle of least privilege and explicitly allow only necessary traffic. Option C (Create a Google Cloud Armor security policy to deny traffic from 0.0.0.0/0) is more suitable for web application security and might not be the most effective way to prevent open ports like OPEN_MYSQL_PORT. Option D (Create a firewall rule for each VPC to deny traffic from 0.0.0.0/0 with priority 0) would require creating and managing individual firewall rules for each VPC, which could be cumbersome and less efficient than using a hierarchical firewall policy at the organization level.
upvoted 1 times
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f983100
1 year, 2 months ago
That make sense, but how I could control what are the ip internal ranges that each owner uses over his project?
upvoted 1 times
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Andrei_Z
1 year, 5 months ago
Selected Answer: B
This question is quite weird, none of the option will prevent this type of misconfiguration
upvoted 3 times
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cyberpunk21
1 year, 5 months ago
Selected Answer: B
B is good
upvoted 1 times
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pfilourenco
1 year, 6 months ago
Selected Answer: B
B makes sense
upvoted 2 times
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C (25%)
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