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Google Professional-Cloud-Network-Engineer Exam Questions


Vendor Name: Google
Certification Name:Google Cloud Platform
Exam Name:Google Cloud Certified - Professional Cloud Network Engineer

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Professional-Cloud-Network-Engineer Exam Sample Questions:



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?

 

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.

 

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.

 

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.

 

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.


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.





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?

 

Create a more specific route than the system-generated subnet route, pointing the next
hop to instance-B with no tag.

 

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.

 

Delete the system-generated subnet route and create a specific route to instance-B with
a tag applied to instance-A.

 

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.


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.





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?

 

/21

 

/22

 

/23

 

/25


/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




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?

 

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.

 

Create a serverless VPC access connector for each serverless service. Configure the
connectors to allow traffic between the serverless services and your existing microservices.

 

Deploy your serverless services to the existing VPC. Configure firewall rules to allow
traffic between the serverless services and your existing microservices.

 

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


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





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?

 

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

 

Use Shared VPC, and deploy the VLAN attachments in the service projects. Connect
the VLAN attachment to the Shared VPC's host project.

 

Use standalone projects, and deploy the VLAN attachments in the individual projects.
Connect the VLAN attachment to the standalone projects' Interconnects.

 

Use standalone projects and deploy the VLAN attachments and Interconnects in each of
the individual projects.


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


How to Pass Google Professional-Cloud-Network-Engineer Exam?