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

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Google Cloud Certified - Professional Cloud Network Engineer Questions and Answers

Question 1

You are designing a hub-and-spoke network architecture for your company’s cloud-based environment. You need to make sure that all spokes are peered with the hub. The spokes must use the hub's virtual appliance for internet access.

The virtual appliance is configured in high-availability mode with two instances using an internal load balancer with IP address 10.0.0.5. What should you do?

Options:

A.

Create a default route in the hub VPC that points to IP address 10.0.0.5.

Delete the default internet gateway route in the hub VPC, and create a new higher-priority route that is tagged only to the appliances with a next hop of the default internet gateway.

Export the custom routes in the hub.

Import the custom routes in the spokes.

B.

Create a default route in the hub VPC that points to IP address 10.0.0.5.

Delete the default internet gateway route in the hub VPC, and create a new higher-priority route that is tagged only to the appliances with a next hop of the default internet gateway.

Export the custom routes in the hub. Import the custom routes in the spokes.

Delete the default internet gateway route of the spokes.

C.

Create two default routes in the hub VPC that point to the next hop instances of the virtual appliances.

Delete the default internet gateway route in the hub VPC, and create a new higher-priority route that is tagged only to the appliances with a next hop of the default internet gateway.

Export the custom routes in the hub. Import the custom routes in the spokes.

D.

Create a default route in the hub VPC that points to IP address 10.0.0.5.

Delete the default internet gateway route in the hub VPC, and create a new higher-priority route that is tagged only to the appliances with a next hop of the default internet gateway.

Create a new route in the spoke VPC that points to IP address 10.0.0.5.

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Question 2

Your company’s on-premises network is connected to a VPC using a Cloud VPN tunnel. You have a static route of 0.0.0.0/0 with the VPN tunnel as its next hop defined in the VPC. All internet bound traffic currently passes through the on-premises network. You configured Cloud NAT to translate the primary IP addresses of Compute Engine instances in one region. Traffic from those instances will now reach the internet directly from their VPC and not from the on-premises network. Traffic from the virtual machines (VMs) is not translating addresses as expected. What should you do?

Options:

A.

Lower the TCP Established Connection Idle Timeout for the NAT gateway.

B.

Add firewall rules that allow ingress and egress of the external NAT IP address, have a target tag that is on the Compute Engine instances, and have a priority value higher than the priority value of the default route to the VPN gateway.

C.

Add a default static route to the VPC with the default internet gateway as the next hop, the network tag associated with the Compute Engine instances, and a higher priority than the priority of the default route to the VPN tunnel.

D.

Increase the default min-ports-per-vm setting for the Cloud NAT gateway.

Question 3

Your company offers a popular gaming service. Your instances are deployed with private IP addresses, and external access is granted through a global load balancer. You have recently engaged a traffic-scrubbing service and want to restrict your origin to allow connections only from the traffic-scrubbing service.

What should you do?

Options:

A.

Create a Cloud Armor Security Policy that blocks all traffic except for the traffic-scrubbing service.

B.

Create a VPC Firewall rule that blocks all traffic except for the traffic-scrubbing service.

C.

Create a VPC Service Control Perimeter that blocks all traffic except for the traffic-scrubbing service.

D.

Create IPTables firewall rules that block all traffic except for the traffic-scrubbing service.