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Google Cloud Platform Professional-Cloud-Network-Engineer Exam and Certification Test Engine
The Google Professional-Cloud-Network-Engineer exam covers a variety of topics, including designing, implementing, and monitoring secure and highly available networks, hybrid interconnectivity, and authorization and authentication. Professionals who pass the exam demonstrate their proficiency in using Google Cloud Platform networking services, including Cloud VPN, Cloud Router, and Cloud Interconnect. Additionally, they have the ability to design, implement, and manage network architectures using virtual private clouds, firewalls, and load balancing.
NEW QUESTION # 44
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. gcloud compute instances add-tags [existing-instance] --tags no-ip
- B. gcloud builds submit --config=cloudbuild.waml --substitutions=TAG_NAME=no-ip
- C. 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 - D. sudo sysctl -w net.ipv4.ip_forward=1
Answer: A
Explanation:
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.
NEW QUESTION # 45
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. Use Cloud DNS to create A records of all VMs and resources across all projects in both organizations.
- B. Create a third organization with a new host project, and attach all projects from your company and Altostrat to it using shared VPC.
- C. Connect VPCs in both organizations using Cloud VPN together with Cloud Router.
- D. Set up some variant of DNS forwarding and zone transfers in each organization.
- E. Provision Cloud Interconnect to connect both organizations together.
Answer: A,E
NEW QUESTION # 46
In order to provide subnet level isolation, you want to force instance-A in one subnet to route through a security appliance, called instance-B, in another subnet.
What should you do?
- A. Create a more specific route than the system-generated subnet route, pointing the next hop to instance-B with a tag applied to instance-A.
- B. Create a more specific route than the system-generated subnet route, pointing the next hop to instance-B with no tag.
- C. Move instance-B to another VPC and, using multi-NIC, connect instance-B's interface to instance-A's network. Configure the appropriate routes to force traffic through to instance-A.
- D. Delete the system-generated subnet route and create a specific route to instance-B with a tag applied to instance-A.
Answer: A
Explanation:
Explanation/Reference:
NEW QUESTION # 47
Your company's current network architecture has three VPC Service Controls perimeters:
One perimeter (PERIMETER_PROD) to protect production storage buckets
One perimeter (PERIMETER_NONPROD) to protect non-production storage buckets One perimeter (PERIMETER_VPC) that contains a single VPC (VPC_ONE) In this single VPC (VPC_ONE), the IP_RANGE_PROD is dedicated to the subnets of the production workloads, and the IP_RANGE_NONPROD is dedicated to subnets of non-production workloads. Workloads cannot be created outside those two ranges. You need to ensure that production workloads can access only production storage buckets and non-production workloads can access only non-production storage buckets with minimal setup effort. What should you do?
- A. Develop a design that uses the IP_RANGE_PROD and IP_RANGE_NONPROD perimeters to create two access levels, with each access level referencing a single range. Create two ingress access policies with each access policy referencing one of the two access levels. Update the PERIMETER_PROD and PERIMETER_NONPROD perimeters.
- B. Develop a design that removes the PERIMETER_VPC perimeter. Update the PERIMETER_PROD perimeter to include the project containing VPC_ONE. Remove the PERIMETER_NONPROD perimeter.
- C. Develop a design that removes the PERIMETER_VPC perimeter. Update the PERIMETER_NONPROD perimeter to include the project containing VPC_ONE. Remove the PERIMETER_PROD perimeter.
- D. Develop a design that creates a new VPC (VPC_NONPROD) in the same project as VPC_ONE. Migrate all the non-production workloads from VPC_ONE to the PERIMETER_NONPROD perimeter. Remove the PERIMETER_VPC perimeter. Update the PERIMETER_PROD perimeter to include VPC_ONE and the PERIMETER_NONPROD perimeter to include VPC_NONPROD.
Answer: A
Explanation:
Using IP range-based access levels for VPC Service Controls allows segmentation of production and non-production resources within the same VPC. By creating separate access levels and ingress policies for each IP range, you ensure that only production subnets access production buckets and non-production subnets access non-production buckets, providing the required isolation.
NEW QUESTION # 48
You are using a third-party next-generation firewall to inspect traffic. You created a custom route of 0.0.0.0/0 to route egress traffic to the firewall. You want to allow your VPC instances without public IP addresses to access the BigQuery and Cloud Pub/Sub APIs, without sending the traffic through the firewall.
Which two actions should you take? (Choose two.)
- A. Turn on Private Google Access at the subnet level.
- B. Turn on Private Services Access at the VPC level.
- C. Create a set of custom static routes to send traffic to the internal IP addresses of Google APIs and services via the default internet gateway.
- D. Create a set of custom static routes to send traffic to the external IP addresses of Google APIs and services via the default internet gateway.
- E. Turn on Private Google Access at the VPC level.
Answer: B,C
Explanation:
Explanation/Reference: https://cloud.google.com/vpc/docs/private-access-options
NEW QUESTION # 49
Your company has a single Virtual Private Cloud (VPC) network deployed in Google Cloud with on-premises connectivity already in place. You are deploying a new application using Google Kubernetes Engine (GKE), which must be accessible only from the same VPC network and on-premises locations. You must ensure that the GKE control plane is exposed to a predefined list of on-premises subnets through private connectivity only. What should you do?
- A. Create a GKE public cluster. Configure authorized networks to specify the desired on-premises subnets.
- B. Create a GKE private cluster with a private endpoint for the control plane. Configure authorized networks to specify the desired on-premises subnets.
- C. Create a GKE private cluster with a public endpoint for the control plane. Configure VPC Networking Peering export/import routes and custom route advertisements on the Cloud Routers.
- D. Create a GKE private cluster with a private endpoint for the control plane. Configure VPC Networking Peering export/import routes and custom route advertisements on the Cloud Routers. Configure authorized networks to specify the desired on-premises subnets.
Answer: B
NEW QUESTION # 50
Your company's security team wants to limit the type of inbound traffic that can reach your web servers to protect against security threats. You need to configure the firewall rules on the web servers within your Virtual Private Cloud (VPC) to handle HTTP and HTTPS web traffic for TCP only. What should you do?
- A. Create an allow on match egress firewall rule with the target tag "web-server" to allow web server IP addresses for TCP ports 60 and 443.
- B. Create an allow on match ingress firewall rule with the target tag "web-server" to allow all IP addresses for TCP port 80.
- C. Create an allow on match egress firewall rule with the target tag "web-server" to allow all IP addresses for TCP port 80.
- D. Create an allow on match ingress firewall rule with the target tag "web-server" to allow all IP addresses for TCP ports 80 and 443.
Answer: D
NEW QUESTION # 51
You need to define an address plan for a future new GKE cluster in your VPC. This will be a VPC native cluster, and the default Pod IP range allocation will be used. You must pre-provision all the needed VPC subnets and their respective IP address ranges before cluster creation. The cluster will initially have a single node, but it will be scaled to a maximum of three nodes if necessary. You want to allocate the minimum number of Pod IP addresses.
Which subnet mask should you use for the Pod IP address range?
- A. /23
- B. /21
- C. /22
- D. /25
Answer: D
Explanation:
Reference:
https://cloud.google.com/kubernetes-engine/docs/how-to/alias-ips
NEW QUESTION # 52
You are in the early stages of planning a migration to GCP. You want to test the functionality of your hybrid cloud design before you start to implement it in production. The design includes services running on a Compute Engine Virtual Machine instance that need to communicate to on-premises servers using private IP addresses. The on-premises servers have connectivity to the internet, but you have not yet established any Cloud Interconnect connections. You want to choose the lowest cost method of enabling connectivity between your instance and on-premises servers and complete the test in 24 hours.
Which connectivity method should you choose?
- A. Dedicated Interconnect, but don't provision any VLAN attachments
- B. Dedicated Interconnect with a single VLAN attachment
- C. Cloud VPN
- D. 50-Mbps Partner VLAN attachment
Answer: C
NEW QUESTION # 53
You are trying to update firewall rules in a shared VPC for which you have been assigned only Network Admin permissions. You cannot modify the firewall rules. Your organization requires using the least privilege necessary.
Which level of permissions should you request?
- A. Service Project Admin privileges from the Shared VPC Admin.
- B. Organization Admin privileges from the Organization Admin.
- C. Shared VPC Admin privileges from the Organization Admin.
- D. Security Admin privileges from the Shared VPC Admin.
Answer: D
NEW QUESTION # 54
Your team is developing an application that will be used by consumers all over the world. Currently, the application sits behind a global external application load balancer You need to protect the application from potential application-level attacks. What should you do?
- A. Create a VPC Service Controls perimeter with the global external application load balancer as the protected service, and apply it to the backend service
- B. Enable Cloud CDN on the backend service.
- C. Create multiple firewall deny rules to block malicious users, and apply them to the global external application load balancer
- D. Create a Google Cloud Armor security policy With web application firewall rules, and apply the security policy to the backend service.
Answer: D
Explanation:
The correct answer is C because it meets the requirement of protecting the application from potential application-level attacks. Google Cloud Armor security policies are sets of rules that match on attributes from Layer 3 to Layer 7 to protect externally facing applications1. Web application firewall (WAF) rules are predefined rules that detect and mitigate common web attacks such as cross-site scripting (XSS), SQL injection, remote file inclusion, and more2. By applying a Google Cloud Armor security policy with WAF rules to the backend service, you can filter out malicious requests before they reach your application.
Option A is incorrect because Cloud CDN is a content delivery network that caches static content at the edge of Google's network, but it does not provide any protection against application-level attacks3. Option B is incorrect because firewall rules are applied at the VPC network level, not at the load balancer level4. Firewall rules also only match on Layer 3 and 4 attributes, not on Layer 7 attributes that are relevant for application-level attacks4. Option D is incorrect because VPC Service Controls perimeter is a feature that helps you secure your data from unauthorized access by users outside your organization, but it does not protect your application from external attacks.
Reference:
Security policy overview | Google Cloud Armor
Web application firewall (WAF) rules | Google Cloud Armor
Cloud CDN overview | Google Cloud
Using firewall rules | VPC
[VPC Service Controls overview | Google Cloud]
NEW QUESTION # 55
You are trying to update firewall rules in a shared VPC for which you have been assigned only Network Admin permissions. You cannot modify the firewall rules. Your organization requires using the least privilege necessary.
Which level of permissions should you request?
- A. Service Project Admin privileges from the Shared VPC Admin.
- B. Organization Admin privileges from the Organization Admin.
- C. Shared VPC Admin privileges from the Organization Admin.
- D. Security Admin privileges from the Shared VPC Admin.
Answer: D
Explanation:
https://cloud.google.com/vpc/docs/shared-vpc
NEW QUESTION # 56
You ate planning to use Terraform to deploy the Google Cloud infrastructure for your company, The design must meet the following requirements
* Each Google Cloud project must represent an Internal project that your team Will work on
* After an Internal project is finished, the infrastructure must be deleted
* Each Internal project must have Its own Google Cloud project owner to manage the Google Cloud resources.
* You have 10-100 projects deployed at a time
While you are writing the Terraform code, you need to ensure that the deployment is simple and the code is reusable With centralized management What should you do?
- A. Create a Single Shared VPC and attach each Google Cloud project as a service project
- B. Create a Single project and additional VPCs for each internal project
- C. dCreate a Single project and Single VPC for each internal project
- D. Create a Shared VPC and service project for each internal project
Answer: D
Explanation:
The correct answer is D because it meets the following requirements:
Each internal project has its own Google Cloud project, which can be easily created and deleted by Terraform using the google_project resource1.
Each internal project has its own Google Cloud project owner, which can be assigned by Terraform using the google_project_iam_member resource1.
The deployment is simple and the code is reusable with centralized management, because the Shared VPC allows you to connect multiple service projects to a single host project that contains the network resources2. This way, you can use Terraform modules to create and manage the network resources in the host project, and then reference them in the service projects3.
Option A is incorrect because it does not create separate Google Cloud projects for each internal project, which makes it harder to delete the infrastructure and assign project owners. Option B is incorrect because it does not create separate Google Cloud projects for each internal project, and also because it attaches the service projects to a Shared VPC, which is not recommended for short-lived projects2. Option C is incorrect because it does not use a Shared VPC, which means that each internal project has to create and manage its own network resources, which increases complexity and reduces reusability.
Reference:
google_project - Terraform Registry
Managing infrastructure as code with Terraform, Cloud Build, and GitOps | Google Cloud Automating your automation by Creating Google Cloud Projects Automatically
NEW QUESTION # 57
You have applications running in the us-west1 and us-east1 regions. You want to build a highly available VPN that provides 99.99% availability to connect your applications from your project to the cloud services provided by your partner's project while minimizing the amount of infrastructure required. Your partner's services are also in the us-west1 and us-east1 regions. You want to implement the simplest solution. What should you do?
- A. Create one Cloud Router and one HA VPN gateway in the us-west1 region of your VPC. Create one OpenVPN Access Server in each region of your partner's VPC. Connect your VPN gateway to your partner's servers.
- B. Create one OpenVPN Access Server in each region of your VPC and your partner's VPC. Connect your servers to the partner's servers.
- C. Create one Cloud Router and one HA VPN gateway in the us-west1 region of your VPC and your partner's VPC. Connect your VPN gateways to the partner's gateways with a pair of tunnels. Enable global dynamic routing in each VPC.
- D. Create one Cloud Router and one HA VPN gateway in each region of your VPC and your partner's VPC. Connect your VPN gateways to the partner's gateways. Enable global dynamic routing in each VPC.
Answer: D
NEW QUESTION # 58
You have two Google Cloud projects in a perimeter to prevent data exfiltration. You need to move a third project inside the perimeter; however, the move could negatively impact the existing environment. You need to validate the impact of the change. What should you do?
- A. Enable Firewall Rules Logging inside the third project.
- B. Modify the existing VPC Service Controls policy to include the new project in dry run mode.
- C. Enable VPC Flow Logs inside the third project, and monitor the logs for negative impact.
- D. Monitor the Resource Manager audit logs inside the perimeter.
Answer: B
NEW QUESTION # 59
You are using a third-party next-generation firewall to inspect traffic. You created a custom route of 0.0.0.0/0 to route egress traffic to the firewall. You want to allow your VPC instances without public IP addresses to access the BigQuery and Cloud Pub/Sub APIs, without sending the traffic through the firewall.
Which two actions should you take? (Choose two.)
- A. Turn on Private Google Access at the subnet level.
- B. Turn on Private Services Access at the VPC level.
- C. Create a set of custom static routes to send traffic to the internal IP addresses of Google APIs and services via the default internet gateway.
- D. Create a set of custom static routes to send traffic to the external IP addresses of Google APIs and services via the default internet gateway.
- E. Turn on Private Google Access at the VPC level.
Answer: B,C
Explanation:
https://cloud.google.com/vpc/docs/private-access-options
NEW QUESTION # 60
You are designing the network architecture for your organization. Your organization has three developer teams: Web, App, and Database. All of the developer teams require access to Compute Engine instances to perform their critical tasks. You are part of a small network and security team that needs to provide network access to the developers. You need to maintain centralized control over network resources, including subnets, routes, and firewalls. You want to minimize operational overhead. How should you design this topology?
- A. Configure one VPC for Web, one VPC for App, and one VPC for Database. Configure HA VPN between each VPC.
- B. Configure one VPC for Web, one VPC for App, and one VPC for Database. Use VPC Network Peering to connect all VPCs in a full mesh.
- C. Configure a host project with a Shared VPC. Create service projects for Web, App, and Database.
- D. Configure three Shared VPC host projects, each with a service project: one for Web, one for App, and one for Database.
Answer: D
NEW QUESTION # 61
You are deploying an application that runs on Compute Engine instances. You need to determine how to expose your application to a new customer You must ensure that your application meets the following requirements
* Maps multiple existing reserved external IP addresses to the Instance
* Processes IP Encapsulating Security Payload (ESP) traffic
What should you do?
- A. Configure a target pool, and create protocol forwarding rules for each external IP address.
- B. Configure a backend service, and create an external network load balancer for each external IP address
- C. Configure a target instance, and create a protocol forwarding rule for each external IP address to be mapped to the instance.
- D. Configure the Compute Engine Instances' network Interface external IP address from None to Ephemeral Add as many external IP addresses as required
Answer: C
Explanation:
The correct answer is C. Configure a target instance, and create a protocol forwarding rule for each external IP address to be mapped to the instance.
This answer is based on the following facts:
A target instance is a Compute Engine instance that handles traffic from one or more forwarding rules1. You can use target instances to forward traffic to a single VM instance from one or more external IP addresses2.
A protocol forwarding rule specifies the IP protocol and port range for the traffic that you want to forward3. You can use protocol forwarding rules to forward traffic of any IP protocol, including ESP4.
The other options are not correct because:
Option A is not possible. You cannot create protocol forwarding rules for a target pool. A target pool is a group of instances that receives traffic from a network load balancer5.
Option B is not suitable. You do not need to create an external network load balancer for each external IP address. An external network load balancer distributes traffic among multiple backend instances based on the destination IP address and port. You can use a single load balancer with multiple forwarding rules to map multiple external IP addresses to the same backend service.
Option D is not feasible. You cannot add multiple external IP addresses to a single network interface of a Compute Engine instance. Each network interface can have only one external IP address that is either ephemeral or static. You can use alias IP ranges to assign multiple internal IP addresses to a single network interface, but not external IP addresses.
NEW QUESTION # 62
Your company's Google Cloud-deployed, streaming application supports multiple languages. The application development team has asked you how they should support splitting audio and video traffic to different backend Google Cloud storage buckets. They want to use URL maps and minimize operational overhead. They are currently using the following directory structure:
/fr/video
/en/video
/es/video
/../video
/fr/audio
/en/audio
/es/audio
/../audio
Which solution should you recommend?
- A. Rearrange the directory structure, create a URL map and leverage a path rule such as /video/* and /audio/*.
- B. Rearrange the directory structure, create DNS hostname entries for video and audio and leverage a path rule such as /video/* and /audio/*.
- C. Leave the directory structure as-is, create a URL map and leverage a path rule such as \/[a-z]{2}\/video and
\/[a-z]{2}\/audio. - D. Leave the directory structure as-is, create a URL map and leverage a path rule such as /*/video and /*/ audio.
Answer: A
Explanation:
https://cloud.google.com/load-balancing/docs/url-map#configuring_url_maps Path matcher constraints Path matchers and path rules have the following constraints: A path rule can only include a wildcard character (*) after a forward slash character (/). For example, /videos/* and /videos/hd/* are valid for path rules, but /videos* and /videos/hd* are not. Path rules do not use regular expression or substring matching. For example, path rules for either /videos/hd or /videos/hd/* do not apply to a URL with the path /video/hd-abcd. However, a path rule for /video/* does apply to that path. https://cloud.google.com/load-balancing/docs/url-map-concepts#pm-constraints
NEW QUESTION # 63
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