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CompTIA Exam CNX-001 Topic 4 Question 4 Discussion

Actual exam question for CompTIA's CNX-001 exam

Question #: 4
Topic #: 4

[All CNX-001 Questions]

SIMULATION

A network administrator needs to resolve connectivity issues in a hybrid cloud setup. Workstations and VMs are not able to access Application A. Workstations are able to access Server B.

INSTRUCTIONS

Click on workstations, VMs, firewalls, and NSGs to troubleshoot and gather information. Type help in the terminal to view a list of available commands.

Select the appropriate device(s) requiring remediation and identify the associated issue(s).

If at any time you would like to bring back the initial state of the simulation, please click the Reset All button.

ASee explanation below

Show Suggested Answer

Suggested Answer: A

Firewalls VPN tunnel down

The IPsec tunnel between on-prem Firewall 1 and cloud Firewall 2 (ipip0/ipip2) is down, so no traffic can traverse to the cloud.

Application NSG Misconfigured rule

There's a ''block'' rule for 10.3.9.0/24 192.2.1.0/24, preventing legitimate on-prem clients from reaching Application A.

by Jamika at Jun 16, 2025, 05:40 AM

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Svetlana

1 days ago

Good point, Roosevelt. Let's troubleshoot the firewalls and NSGs to see if that resolves the connectivity issues.

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Jeffrey

7 days ago

Hmm, looks like a firewall issue to me. Better check those rules and make sure Application A is allowed through.

upvoted 0 times

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Roosevelt

9 days ago

I agree with Svetlana, the firewalls could be the problem. Maybe we need to check the NSGs as well.

upvoted 0 times

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Svetlana

11 days ago

I think the issue might be with the firewalls blocking access to Application A.

upvoted 0 times

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