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To earn the Google Professional-Cloud-Network-Engineer certification, candidates must pass an exam that tests their ability to design and implement secure, scalable, and highly available network solutions on Google Cloud. Professional-Cloud-Network-Engineer exam assesses the candidates' understanding of cloud networking technologies, such as Virtual Private Cloud (VPC), Cloud Load Balancing, Cloud VPN, and Cloud Interconnect. Additionally, the exam evaluates the candidates' knowledge of network security, monitoring, and optimization on Google Cloud.

The Google Professional-Cloud-Network-Engineer exam consists of multiple-choice and multiple-select questions and has a duration of two hours. Professional-Cloud-Network-Engineer exam is administered through the Google Cloud Console and can be taken online from anywhere in the world. Professional-Cloud-Network-Engineer exam is designed to test the candidate's ability to configure and manage various network services such as Virtual Private Cloud (VPC), Cloud Load Balancing, Cloud CDN, Cloud DNS, and Cloud VPN. Professional-Cloud-Network-Engineer exam also covers topics such as network security, routing, and traffic management.

 

NEW QUESTION # 14
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 proxy-header to the default value, and set hostto include a custom host header that identifies the health check.
• B. Set request-path to a specific URL used for health checking, and set responseto a string that the backend service will always return in the response body.
• C. Set request-pathto a specific URL used for health checking, and set proxy-headerto PROXY_V1.
• D. Set request-path to a specific URL used for health checking, and set hostto include a custom host header that identifies the health check.

Answer: D

Explanation:
Explanation/Reference: https://cloud.google.com/load-balancing/docs/health-checks

NEW QUESTION # 15
You need to create a GKE cluster in an existing VPC that is accessible from on-premises. You must meet the following requirements:
IP ranges for pods and services must be as small as possible.
The nodes and the master must not be reachable from the internet.
You must be able to use kubectl commands from on-premises subnets to manage the cluster.
How should you create the GKE cluster?

• A. * Create a private cluster that uses VPC advanced routes.
  * Set the pod and service ranges as /24.
  * Set up a network proxy to access the master.
• B. * Create a VPC-native GKE cluster using user-managed IP ranges.
  * Enable privateEndpoint on the cluster master.
  * Set the pod and service ranges as /24.
  * Set up a network proxy to access the master.
• C. * Create a VPC-native GKE cluster using user-managed IP ranges.
  * Enable a GKE cluster network policy, set the pod and service ranges as /24.
  * Set up a network proxy to access the master.
  * Enable master authorized networks.
• D. * Create a VPC-native GKE cluster using GKE-managed IP ranges.
  * Set the pod IP range as /21 and service IP range as /24.
  * Set up a network proxy to access the master.

Answer: B

Explanation:
* Enable master authorized networks.
Explanation:
Creating GKE private clusters with network proxies for controller access When you create a GKE private cluster with a private cluster controller endpoint, the cluster's controller node is inaccessible from the public internet, but it needs to be accessible for administration. By default, clusters can access the controller through its private endpoint, and authorized networks can be defined within the VPC network. To access the controller from on-premises or another VPC network, however, requires additional steps. This is because the VPC network that hosts the controller is owned by Google and cannot be accessed from resources connected through another VPC network peering connection, Cloud VPN or Cloud Interconnect. https://cloud.google.com/solutions/creating-kubernetes-engine-private-clusters-with-net-proxies

NEW QUESTION # 16
All the instances in your project are configured with the custom metadata enable-osloginvalue set to FALSE and to block project-wide SSH keys. None of the instances are set with any SSH key, and no project- wide SSH keys have been configured. Firewall rules are set up to allow SSH sessions from any IP address range. You want to SSH into one instance.
What should you do?

• A. Set the custom metadata enable-oslogin to TRUE, and SSH into the instance using a third-party tool like putty or ssh.
• B. Generate a new SSH key pair. Verify the format of the public key and add it to the project. SSH into the instance using a third-party tool like putty or ssh.
• C. Open the Cloud Shell SSH into the instance using gcloud compute ssh.
• D. Generate a new SSH key pair. Verify the format of the private key and add it to the instance. SSH into the instance using a third-party tool like putty or ssh.

Answer: A

Explanation:
Explanation/Reference: https://cloud.google.com/compute/docs/storing-retrieving-metadata

NEW QUESTION # 17
You are adding steps to a working automation that uses a service account to authenticate. You need to drive the automation the ability to retrieve files from a Cloud Storage bucket. Your organization requires using the least privilege possible.
What should you do?

• A. Grant the compute.instanceAdmin to your user account.
• B. Grant the iam.serviceAccountUser to your user account.
• C. Grant the read-only privilege to the service account for the Cloud Storage bucket.
• D. Grant the cloud-platform privilege to the service account for the Cloud Storage bucket.

Answer: B

Explanation:
https://cloud.google.com/compute/docs/access/iam

NEW QUESTION # 18
You need to enable Cloud CDN for all the objects inside a storage bucket. You want to ensure that all the objects in the storage bucket can be served by the CDN.
What should you do in the GCP Console?

• A. Create a new cloud storage bucket, and then enable Cloud CDN on it.
• B. Create a new TCP load balancer, select the storage bucket as a backend, and then enable Cloud CDN on the backend.
• C. Create a new HTTP load balancer, select the storage bucket as a backend, enable Cloud CDN on the backend, and make sure each object inside the storage bucket is shared publicly.
• D. Create a new SSL proxy load balancer, select the storage bucket as a backend, and then enable Cloud CDN on the backend.

Answer: A

NEW QUESTION # 19
You have recently been put in charge of managing identity and access management for your organization. You have several projects and want to use scripting and automation wherever possible. You want to grant the editor role to a project member.
Which two methods can you use to accomplish this? (Choose two.)
GetIamPolicy() via REST API

• A. role roles/editor
  gcloud projects add-iam-policy-binding $projectname --member user:$username --
• B. Enter an email address in the Add members field, and select the desired role from the drop-down menu in the GCP Console.
• C. role roles/editor
• D. gcloud pubsub add-iam-policy-binding $projectname --member user:$username --
• E. setIamPolicy() via REST API

Answer: B,C

Explanation:
Explanation/Reference: https://cloud.google.com/iam/docs/granting-changing-revoking-access

NEW QUESTION # 20
You recently deployed your application in Google Cloud. You need to verify your Google Cloud network configuration before deploying your on-premises workloads. You want to confirm that your Google Cloud network configuration allows traffic to flow from your cloud resources to your on- premises network. This validation should also analyze and diagnose potential failure points in your Google Cloud network configurations without sending any data plane test traffic. What should you do?

• A. Enable Packet Mirroring on your application and send test traffic.
• B. Use Network Intelligence Center's Connectivity Tests.
• C. Use Network Intelligence Center's Network Topology visualizations.
• D. Enable VPC Flow Logs and send test traffic.

Answer: C

NEW QUESTION # 21
You want to apply a new Cloud Armor policy to an application that is deployed in Google Kubernetes Engine (GKE). You want to find out which target to use for your Cloud Armor policy.
Which GKE resource should you use?

• A. GKE Ingress
• B. GKE Pod
• C. GKE Node
• D. GKE Cluster

Answer: B

NEW QUESTION # 22
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. Make sure that all the objects with prefix folder-a are not shared publicly.
• C. Disable Cloud CDN on the storage bucket. Wait 90 seconds. Re-enable Cloud CDN on the storage bucket.
• D. Issue a cache invalidation command with pattern /folder-a/*.

Answer: D

Explanation:
https://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/Invalidation.html

NEW QUESTION # 23
You have a web application that is currently hosted in the us-central1 region. Users experience high latency when traveling in Asia. You've configured a network load balancer, but users have not experienced a performance improvement. You want to decrease the latency.
What should you do?

• A. Configure a policy-based route rule to prioritize the traffic.
• B. Configure Dynamic Routing for the subnet hosting the application.
• C. Configure the TTL for the DNS zone to decrease the time between updates.
• D. Configure an HTTP load balancer, and direct the traffic to it.

Answer: D

Explanation:
Explanation/Reference: https://cloud.google.com/load-balancing/docs/tutorials/optimize-app-latency

NEW QUESTION # 24
Your company just completed the acquisition of Altostrat (a current GCP customer). Each company has a separate organization in GCP and has implemented a custom DNS solution. Each organization will retain its current domain and host names until after a full transition and architectural review is done in one year. These are the assumptions for both GCP environments.
* Each organization has enabled full connectivity between all of its projects by using Shared VPC.
* Both organizations strictly use the 10.0.0.0/8 address space for their instances, except for bastion hosts (for accessing the instances) and load balancers for serving web traffic.
* There are no prefix overlaps between the two organizations.
* Both organizations already have firewall rules that allow all inbound and outbound traffic from the 10.0.0.0/8 address space.
* Neither organization has Interconnects to their on-premises environment.
You want to integrate networking and DNS infrastructure of both organizations as quickly as possible and with minimal downtime.
Which two steps should you take? (Choose two.)

• A. Provision Cloud Interconnect to connect both organizations together.
• B. Use Cloud DNS to create A records of all VMs and resources across all projects in both organizations.
• C. Create a third organization with a new host project, and attach all projects from your company and Altostrat to it using shared VPC.
• D. Connect VPCs in both organizations using Cloud VPN together with Cloud Router.
• E. Set up some variant of DNS forwarding and zone transfers in each organization.

Answer: D,E

Explanation:
https://cloud.google.com/dns/docs/best-practices

NEW QUESTION # 25
You have the following private Google Kubernetes Engine (GKE) cluster deployment:

You have a virtual machine (VM) deployed in the same VPC in the subnetwork kubernetes-management with internal IP address 192.168.40 2/24 and no external IP address assigned. You need to communicate with the cluster master using kubectl. What should you do?

• A. Add the network 192.168.36.0/24 to the masterAuthorizedNetworksConfig. Configure kubectl to communicate with the endpoint 192.168.38.2
• B. Add an external IP address to the VM, and add this IP address in the masterAuthorizedNetworksConfig. Configure kubectl to communicate with the endpoint 35.224.37.17.
• C. Add the network 192.168.38.0/28 to the masterAuthorizedNetworksConfig. Configure kubectl to communicate with the endpoint 192.168.38.2
• D. Add the network 192.168.40.0/24 to the masterAuthorizedNetworksConfig. Configure kubectl to communicate with the endpoint 192.168.38.2.

Answer: D

NEW QUESTION # 26
You have the networking configuration shown in the diagram. A pair of redundant Dedicated Interconnect connections (int-Igal and int-Iga2) terminate on the same Cloud Router. The Interconnect connections terminate on two separate on-premises routers. You are advertising the same prefixes from the Border Gateway Protocol (BGP) sessions associated with the Dedicated Interconnect connections. You need to configure one connection as Active for both ingress and egress traffic. If the active Interconnect connection fails, you want the passive Interconnect connection to automatically begin routing all traffic Which two actions should you take to meet this requirement? (Choose Two)

• A. Configure the advertised route priority as 200 for the BGP session associated with the active Interconnect connection.
• B. Configure the advertised route priority as 200 for the BGP session associated with the passive Interconnect connection.
• C. Advertise a lower MED on the passive Interconnect connection from the on-premises router
• D. Configure the advertised route priority > 10,200 on the active Interconnect connection.
• E. Advertise a lower MED on the active Interconnect connection from the on-premises router

Answer: A,E

Explanation:
This answer meets the requirement of configuring one connection as Active for both ingress and egress traffic, and enabling automatic failover to the passive connection in case of failure. The reason is:
The advertised route priority is a value that Cloud Router uses to set the route priority when advertising routes to your on-premises router. The lower the value, the higher the priority1. By setting the advertised route priority as 200 for the active connection, you ensure that it has a higher priority than the passive connection, which has the default value of 1001. This way, your on-premises router will prefer the routes from the active connection over the passive one for ingress traffic.
The MED (Multi-Exit Discriminator) is a value that your on-premises router uses to indicate its preference for receiving traffic from Cloud Router. The lower the value, the higher the preference2. By advertising a lower MED on the active connection from your on-premises router, you ensure that Cloud Router will prefer sending traffic to the active connection over the passive one for egress traffic.
If the active connection fails, Cloud Router will stop receiving routes from it and will start using the routes from the passive connection for egress traffic. Similarly, your on-premises router will stop receiving routes with priority 200 from the active connection and will start using the routes with priority 100 from the passive connection for ingress traffic. This achieves automatic failover without any manual intervention.
Option A is incorrect because setting the advertised route priority > 10,200 on the active connection would deprioritize it globally in your VPC network, which is not what you want1. Option B is incorrect because advertising a lower MED on the passive connection would make Cloud Router prefer sending traffic to it over the active one, which is not what you want2. Option D is incorrect because setting the advertised route priority as 200 for both connections would make them equally preferred by your on-premises router, which is not what you want1.
Reference:
Update the base route priority | Cloud Router | Google Cloud
Configuring BGP sessions | Cloud Router | Google Cloud

NEW QUESTION # 27
You are designing a Google Kubernetes Engine (GKE) cluster for your organization. The current cluster size is expected to host 10 nodes, with 20 Pods per node and 150 services. Because of the migration of new services over the next 2 years, there is a planned growth for 100 nodes, 200 Pods per node, and 1500 services. You want to use VPC-native clusters with alias IP ranges, while minimizing address consumption.
How should you design this topology?

• A. Use gcloud container clusters create [CLUSTER NAME]to create a VPC-native cluster.
• B. Create a subnet of size/28 with 2 secondary ranges of: /24 for Pods and /24 for Services. Create a VPC- native cluster and specify those ranges. When the services are ready to be deployed, resize the subnets.
• C. Use gcloud container clusters create [CLUSTER NAME]--enable-ip-aliasto create a VPC-native cluster.
• D. Create a subnet of size/25 with 2 secondary ranges of: /17 for Pods and /21 for Services. Create a VPC- native cluster and specify those ranges.

Answer: B

Explanation:
Explanation/Reference: https://cloud.google.com/kubernetes-engine/docs/how-to/private-clusters

NEW QUESTION # 28
You successfully provisioned a single Dedicated Interconnect. The physical connection is at a colocation facility closest to us-west2. Seventy-five percent of your workloads are in us-east4, and the remaining twenty-five percent of your workloads are in us-central1. All workloads have the same network traffic profile. You need to minimize data transfer costs when deploying VLAN attachments. What should you do?

• A. Keep the existing Dedicated interconnect. Deploy a VLAN attachment to a Cloud Router in us-west2, and use VPC global routing to access workloads in us-east4 and us-central1.
• B. Order a new Dedicated Interconnect for a colocation facility closest to us-east4, and use VPC global routing to access workloads in us-central1.
• C. Keep the existing Dedicated Interconnect. Deploy a VLAN attachment to a Cloud Router in us-east4, and deploy another VLAN attachment to a Cloud Router in us-central1.
• D. Order a new Dedicated Interconnect for a colocation facility closest to us-central1, and use VPC global routing to access workloads in us-east4.

Answer: B

NEW QUESTION # 29
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