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Google Professional Cloud Network Engineer

169 Questions120 Minutes70% Passing Score▣ Updated: Sep 2026

Question 61 of 169

Single answer
You have created a firewall with rules that only allow traffic over HTTP, HTTPS, and SSH ports. While testing, you specifically try to reach the server over multiple ports and protocols; however, you do not see any denied connections in the firewall logs. You want to resolve the issue. What should you do?
AEnable logging on the default Deny Any Firewall Rule.
BEnable logging on the VM Instances that receive traffic.
CCreate a logging sink forwarding all firewall logs with no filters.
DCreate an explicit Deny Any rule and enable logging on the new rule.
Correct Answer: D

Create an explicit Deny Any rule and enable logging on the new rule.

Explanation

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