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Professional-Cloud-Network-Engineer Exam Dumps - Google Cloud Certified - Professional Cloud Network Engineer

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Question # 25

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?

A.

sudo sysctl -w net.ipv4.ip_forward=1

B.

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

C.

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

D.

gcloud 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

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Question # 26

You have created an HTTP(S) load balanced service. You need to verify that your backend instances are responding properly.

How should you configure the health check?

A.

Set request-path to a specific URL used for health checking, and set proxy-header to PROXY_V1.

B.

Set request-path to a specific URL used for health checking, and set host to include a custom host header that identifies the health check.

C.

Set request-path to a specific URL used for health checking, and set response to a string that the backend service will always return in the response body.

D.

Set proxy-header to the default value, and set host to include a custom host header that identifies the health check.

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Question # 27

You have deployed a proof-of-concept application by manually placing instances in a single Compute Engine zone. You are now moving the application to production, so you need to increase your application availability and ensure it can autoscale.

How should you provision your instances?

A.

Create a single managed instance group, specify the desired region, and select Multiple zones for the location.

B.

Create a managed instance group for each region, select Single zone for the location, and manually distribute instances across the zones in that region.

C.

Create an unmanaged instance group in a single zone, and then create an HTTP load balancer for the instance group.

D.

Create an unmanaged instance group for each zone, and manually distribute the instances across the desired zones.

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Question # 28

You need to centralize the Identity and Access Management permissions and email distribution for the WebServices Team as efficiently as possible.

What should you do?

A.

Create a Google Group for the WebServices Team.

B.

Create a G Suite Domain for the WebServices Team.

C.

Create a new Cloud Identity Domain for the WebServices Team.

D.

Create a new Custom Role for all members of the WebServices Team.

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Question # 29

Question:

Your organization has a hub and spoke architecture with VPC Network Peering, and hybrid connectivity is centralized at the hub. The Cloud Router in the hub VPC is advertising subnet routes, but the on-premises router does not appear to be receiving any subnet routes from the VPC spokes. You need to resolve this issue. What should you do?

A.

Create custom learned routes at the Cloud Router in the hub to advertise the subnets of the VPC spokes.

B.

Create custom routes at the Cloud Router in the spokes to advertise the subnets of the VPC spokes.

C.

Create a BGP route policy at the Cloud Router, and ensure the subnets of the VPC spokes are being announced towards the on-premises environment.

D.

Create custom routes at the Cloud Router in the hub to advertise the subnets of the VPC spokes.

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Question # 30

You have a storage bucket that contains the following objects:

- folder-a/image-a-1.jpg

- folder-a/image-a-2.jpg

- folder-b/image-b-1.jpg

- folder-b/image-b-2.jpg

Cloud CDN is enabled on the storage bucket, and all four objects have been successfully cached. You want to remove the cached copies of all the objects with the prefix folder-a, using the minimum number of commands.

What should you do?

A.

Add an appropriate lifecycle rule on the storage bucket.

B.

Issue a cache invalidation command with pattern /folder-a/*.

C.

Make sure that all the objects with prefix folder-a are not shared publicly.

D.

Disable Cloud CDN on the storage bucket. Wait 90 seconds. Re-enable Cloud CDN on the storage bucket.

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Question # 31

You have provisioned a Dedicated Interconnect connection of 20 Gbps with a VLAN attachment of 10 Gbps. You recently noticed a steady increase in ingress traffic on the Interconnect connection from the on-premises data center. You need to ensure that your end users can achieve the full 20 Gbps throughput as quickly as possible. Which two methods can you use to accomplish this? (Choose two.)

A.

Configure an additional VLAN attachment of 10 Gbps in another region. Configure the on-premises router to advertise routes with the same multi-exit discriminator (MED).

B.

Configure an additional VLAN attachment of 10 Gbps in the same region. Configure the on-premises router to advertise routes with the same multi-exit discriminator (MED).

C.

From the Google Cloud Console, modify the bandwidth of the VLAN attachment to 20 Gbps.

D.

From the Google Cloud Console, request a new Dedicated Interconnect connection of 20 Gbps, and configure a VLAN attachment of 10 Gbps.

E.

Configure Link Aggregation Control Protocol (LACP) on the on-premises router to use the 20-Gbps Dedicated Interconnect connection.

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Question # 32

You are using a 10-Gbps direct peering connection to Google together with the gsutil tool to upload files to Cloud Storage buckets from on-premises servers. The on-premises servers are 100 milliseconds away from the Google peering point. You notice that your uploads are not using the full 10-Gbps bandwidth available to you. You want to optimize the bandwidth utilization of the connection.

What should you do on your on-premises servers?

A.

Tune TCP parameters on the on-premises servers.

B.

Compress files using utilities like tar to reduce the size of data being sent.

C.

Remove the -m flag from the gsutil command to enable single-threaded transfers.

D.

Use the perfdiag parameter in your gsutil command to enable faster performance: gsutil perfdiag gs://[BUCKET NAME].

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