Google Exam Professional Cloud Network Engineer Topic 5 Question 106 Discussion

Actual exam question for Google's Professional Cloud Network Engineer exam

Question #: 106
Topic #: 5

[All Professional Cloud Network Engineer Questions]

You have configured a Compute Engine virtual machine instance as a NAT gateway. You execute the following command:

gcloud compute routes create no-ip-internet-route \

--network custom-network1 \

--destination-range 0.0.0.0/0 \

--next-hop instance nat-gateway \

--next-hop instance-zone us-central1-a \

--tags no-ip --priority 800

You want existing instances to use the new NAT gateway. Which command should you execute?

Asudo sysctl -w net.ipv4.ip_forward=1

Bgcloud compute instances add-tags [existing-instance] --tags no-ip

Cgcloud builds submit --config=cloudbuild.waml --substitutions=TAG_NAME=no-ip

Dgcloud compute instances create example-instance --network custom-network1 \
--subnet subnet-us-central \
--no-address \
--zone us-central1-a \
--image-family debian-9 \
--image-project debian-cloud \
--tags no-ip

Show Suggested Answer

Suggested Answer: B

https://cloud.google.com/sdk/gcloud/reference/compute/routes/create

In order to apply a route to an existing instance we should use a tag to bind the route to it.

by Johnna at May 03, 2025, 09:28 AM

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Telma

15 days ago

Hmm, I'm not sure about this one. Let me think it through again. Ah, I got it! The answer is B, adding the 'no-ip' tag to the existing instances.

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Ammie

27 days ago

The question seems straightforward. I think the answer is B, since we need to add the 'no-ip' tag to the existing instances to make them use the new NAT gateway.

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