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Question # 1

Your organization uses a Shared VPC architecture with a host project and three service projects. You have Compute Engine instances that reside in the service projects. You have critical workloads in your on-premises data center. You need to ensure that the Google Cloud instances can resolve on-premises hostnames via the Dedicated Interconnect you deployed to establish hybrid connectivity. What should you do?
A. Create a Cloud DNS private forwarding zone in the host project of the Shared VPC that forwards the private zone to the on-premises DNS servers. In your Cloud Router, add a custom route advertisement for the IP 35.199.192.0/19 to the on-premises environment.
B. Create a Cloud DNS private forwarding zone in the host project of the Shared VPC that forwards the Private zone to the on-premises DNS servers. In your Cloud Router, add a custom route advertisement for the IP 169.254 169.254 to the on-premises environment.
C. Configure a Cloud DNS private zone in the host project of the Shared VPC. Set up DNS forwarding to your Google Cloud private zone on your on-premises DNS servers to point to the inbound forwarder IP address in your host project In your Cloud Router, add a custom route advertisement for the IP 169.254 169 254 to the on-premises environment.
D. Configure a Cloud DNS private zone in the host project of the Shared VPC. Set up DNS forwarding to your Google Cloud private zone on your on-premises DNS servers to point to the inbound forwarder IP address in your host project. Configure a DNS policy in the Shared VPC to allow inbound query forwarding with your onpremises DNS server as the alternative DNS server.

D.
Configure a Cloud DNS private zone in the host project of the Shared VPC.
Set up DNS forwarding to your Google Cloud private zone on your on-premises DNS
servers to point to the inbound forwarder IP address in your host project.
Configure a DNS policy in the Shared VPC to allow inbound query forwarding with your onpremises
DNS server as the alternative DNS server.

Question # 2

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 no tag.
B. 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.
C. Delete the system-generated subnet route and create a specific route to instance-B with a tag applied to instance-A.
D. 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.

B.
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.

Question # 3

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 preprovision 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. /21
B. /22
C. /23
D. /25

B.
/22

Explanation:
https://cloud.google.com/kubernetes-engine/docs/how-to/aliasips#
cluster_sizing_secondary_range_pods
Reference: https://cloud.google.com/kubernetes-engine/docs/how-to/alias-ips
https://cloud.google.com/kubernetes-engine/docs/how-to/flexible-pod-cidr
https://cloud.google.com/kubernetes-engine/docs/concepts/alias-ips#defaults_limits

Question # 4

You have several microservices running in a private subnet in an existing Virtual Private Cloud (VPC). You need to create additional serverless services that use Cloud Run and Cloud Functions to access the microservices. The network traffic volume between your serverless services and private microservices is low. However, each serverless service must be able to communicate with any of your microservices. You want to implement a solution that minimizes cost. What should you do?
A. Deploy your serverless services to the serverless VPC. Peer the serverless service VPC to the existing VPC. Configure firewall rules to allow traffic between the serverless services and your existing microservices.
B. Create a serverless VPC access connector for each serverless service. Configure the connectors to allow traffic between the serverless services and your existing microservices.
C. Deploy your serverless services to the existing VPC. Configure firewall rules to allow traffic between the serverless services and your existing microservices.
D. Create a serverless VPC access connector. Configure the serverless service to use the connector for communication to the microservices.

D.
Create a serverless VPC access connector. Configure the serverless service to use the
connector for communication to the microservices.

Question # 5

You work for a university that is migrating to GCP. These are the cloud requirements: • On-premises connectivity with 10 Gbps • Lowest latency access to the cloud • Centralized Networking Administration Team New departments are asking for on-premises connectivity to their projects. You want to deploy the most cost-efficient interconnect solution for connecting the campus to Google Cloud. What should you do?
A. Use Shared VPC, and deploy the VLAN attachments and Interconnect in the host project.
B. Use Shared VPC, and deploy the VLAN attachments in the service projects. Connect the VLAN attachment to the Shared VPC's host project.
C. Use standalone projects, and deploy the VLAN attachments in the individual projects. Connect the VLAN attachment to the standalone projects' Interconnects.
D. Use standalone projects and deploy the VLAN attachments and Interconnects in each of the individual projects.

A.
Use Shared VPC, and deploy the VLAN attachments and Interconnect in the host
project.

Using Cloud Interconnect with Shared VPC You can use Shared VPC to share your VLAN
attachment in a project with other VPC networks. Choosing Shared VPC is preferable if you
need to create many projects and would like to prevent individual project owners from
managing their connectivity back to your on-premises network. In this scenario, the host
project contains a common Shared VPC network usable by VMs in service projects.
Because VMs in the service projects use this network, Service Project Admins don't need
to create other VLAN attachments or Cloud Routers in the service projects. In this scenario,
you must create VLAN attachments and Cloud Routers for a Cloud Interconnect connection
only in the Shared VPC host project. The combination of a VLAN attachment and its
associated Cloud Router are unique to a given Shared VPC network.
https://cloud.google.com/network-connectivity/docs/interconnect/how-to/enabling-multiplenetworks-
access-same-attachment#using_with
https://cloud.google.com/vpc/docs/shared-vpc

Question # 6

You are increasing your usage of Cloud VPN between on-premises and GCP, and you want to support more traffic than a single tunnel can handle. You want to increase the available bandwidth using Cloud VPN. What should you do?
A. Double the MTU on your on-premises VPN gateway from 1460 bytes to 2920 bytes
B. Create two VPN tunnels on the same Cloud VPN gateway that point to the same destination VPN gateway IP address.
C. Add a second on-premises VPN gateway with a different public IP address. Create a second tunnel on the existing Cloud VPN gateway that forwards the same IP range, but points at the new on-premises gateway IP.
D. Add a second Cloud VPN gateway in a different region than the existing VPN gateway. Create a new tunnel on the second Cloud VPN gateway that forwards the same IP range, but points to the existing on-premises VPN gateway IP address.

C.
Add a second on-premises VPN gateway with a different public IP address. Create a
second tunnel on the existing Cloud VPN gateway that forwards the same IP range, but
points at the new on-premises gateway IP.

Explanation: https://cloud.google.com/network-connectivity/docs/vpn/concepts/classictopologies#
redundancy-options

Question # 7

You need to configure the Border Gateway Protocol (BGP) session for a VPN tunnel you just created between two Google Cloud VPCs, 10.1.0.0/16 and 172.16.0.0/16. You have a Cloud Router (router-1) in the 10.1.0.0/16 network and a second Cloud Router (router-2) in the 172.16.0.0/16 network. Which configuration should you use for the BGP session?
A.
B.
C.
D.

C.

Question # 8

You are planning a large application deployment in Google Cloud that includes onpremises connectivity. The application requires direct connectivity between workloads in all regions and on-premises locations without address translation, but all RFC 1918 ranges are already in use in the on-premises locations. What should you do?
A. Use multiple VPC networks with a transit network using VPC Network Peering
B. Use overlapping RFC 1918 ranges with multiple isolated VPC networks.
C. Use overlapping RFC 1918 ranges with multiple isolated VPC networks and Cloud NAT.
D. Use non-RFC 1918 ranges with a single global VPC

D.
Use non-RFC 1918 ranges with a single global VPC

Question # 9

You are configuring a new instance of Cloud Router in your Organization’s Google Cloud environment to allow connection across a new Dedicated Interconnect to your data center Sales, Marketing, and IT each have a service project attached to the Organization’s host project. Where should you create the Cloud Router instance?
A. VPC network in all projects
B. VPC network in the IT Project
C. VPC network in the Host Project
D. VPC network in the Sales, Marketing, and IT Projects

C.
VPC network in the Host Project

Reference: https://cloud.google.com/interconnect/docs/how-to/dedicated/usinginterconnects-
other-projects

Question # 10

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

D.
gcloud projects add-iam-policy-binding Sprojectname --member user:Susername --role
roles/editor

E.
Enter an email address in the Add members field, and select the desired role from the
drop-down menu in the GCP Console.

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Google Professional Cloud Network Engineer Exam Dumps

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Exam Name: Google Professional Cloud Network Engineer

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