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Free PDF Quiz Google - Professional-Cloud-Network-Engineer - Professional Google Cloud Certified - Professional Cloud Network Engineer Valid Test Prep

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Google Professional-Cloud-Network-Engineer Certification Exam is a challenging exam that requires a deep understanding of Google Cloud networking technologies. Candidates must have a strong foundation in networking concepts and be familiar with Google Cloud products and services. Professional-Cloud-Network-Engineer exam is designed to test the candidate’s ability to design and implement secure, scalable, and highly available network solutions on Google Cloud Platform. With this certification, professionals can demonstrate their expertise in network engineering and gain recognition for their skills in the industry.

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Google Cloud Certified - Professional Cloud Network Engineer Sample Questions (Q185-Q190):

NEW QUESTION # 185
Your organization recently created a sandbox environment for a new cloud deployment. To have parity with the production environment, a pair of Compute Engine instances with multiple network interfaces (NICs) were deployed. These Compute Engine instances have a NIC in the Untrusted VPC (10.0.0.0/23) and a NIC in the Trusted VPC (10.128.0.0/9). A HA VPN tunnel has been established to the on-premises environment from the Untrusted VPC. Through this pair of VPN tunnels, the on-premises environment receives the route advertisements for the Untrusted and Trusted VPCs. In return, the on-premises environment advertises a number of CIDR ranges to the Untrusted VPC. However, when you tried to access one of the test services from the on-premises environment to the Trusted VPC, you received no response. You need to configure a highly available solution to enable the on-premises users to connect to the services in the Trusted VPC. What should you do?

A. Add both multi-NIC VMs to a new unmanaged instance group, named nva-uig.
Create an internal passthrough Network Load Balancer in the Untrusted VPC, named ilb-untrusted, with the nva-uig unmanaged instance group designated as the backend.
Create a custom static route in the Untrusted VPC for destination 10.128.0.0/9 and the next hop ilb- untrusted.
Create an internal passthrough Network Load Balancer in the Trusted VPC, named ilb-trusted, with the nva-uig unmanaged instance group designated as the backend.
Create a custom static route in the Trusted VPC for destination 10.0.0.0/23 and the next hop ilb-trusted.
B. Add both multi-NIC VMs to a new unmanaged instance group, named nva-uig.
Create two custom static routes in the Untrusted VPC for destination 10.128.0.0/9 and set each of the VMs' NIC as the next hop.
Create two custom static routes in the Trusted VPC for destination 10.0.0.0/23 and set each of the VMs' NIC as the next hop.
C. Add both multi-NIC VMs to a new unmanaged instance group, named nva-uigO.
Create an internal passthrough Network Load Balancer in the Untrusted VPC, named ilb-untrusted, with the nva-uigO as backend.
Create a custom static route in the Untrusted VPC for destination 10.128.0.0/9 and the next hop ilb- untrusted.
Add both multi-NIC VMs to a new unmanaged instance group, named nva-uigl.
Create an internal passthrough Network Load Balancer in the Trusted VPC, named ilb-trusted, with the nva-uigl as backend.
Create a custom static route in the Trusted VPC for destination 0.0.0.0/0 and the next hop ilb-trusted.
D. Add both multi-NIC VMs to a new unmanaged instance group, named nva-uig.
Create an internal passthrough Network Load Balancer in the Untrusted VPC, named ilb-untrusted, with the nva-uig unmanaged instance group designated as the backend.
Create a custom static route in the Untrusted VPC for destination 10.123.0.0/9 and the next hop ilb- untrusted.
Create an internal passthrough Network Load Balancer in the Trusted VPC, named ilb-trusted, with the nva-uig unmanaged instance group designated as the backend.
Create a custom static route in the Trusted VPC for destination 0.0.0.0/0 and the next hop ilb-trusted.

Answer: A

Explanation:
Explanation: The solution requires creating internal passthrough load balancers for both VPCs, with custom static routes pointing to each load balancer. This ensures connectivity between the on-premises environment and the Trusted VPC via the Untrusted VPC.
: Google Cloud Internal Load Balancer Setup

NEW QUESTION # 186
You are designing a packet mirroring policy as pan of your network security architecture for your gaming workload. Your Infrastructure is located in the us-west2 region and deployed across several zones: us-west2- a. us-west2-b. and us-west2-c The Infrastructure Is running a web-based application on TCP ports 80 and 443 with other game servers that utilize the UDP protocol. You need to deploy packet mirroring policies and collector instances to monitor web application traffic while minimizing inter-zonal network egress costs.
Following Google-recommended practices, how should you deploy the packet mirroring policies and collector instances?

A. Create three packet mirroring policies: one for each zone. Create three groups of collector instances: one group for each zone. Configure each policy to match traffic for Its zone based on instance-tags, and create a filter for TCP traffic.
B. Create one packet mirroring policy for the us-west2 region. Create one group of collector instances for the us-west2 region Configure the packet mirroring policy to match traffic for web server instances based on instance-tags, and create a filter for TCP traffic.
C. Create three packet mirroring policies: one for each zone. Create three groups of collector instances: one group for each zone. Configure each policy to match traffic for its zone based on subnets, and create a filter for TCP traffic
D. Create three packet mirroring policies: one for each zone. Create one group of collector instances for the us-west2 region. Configure each packet mirroring policy to match traffic for its zone based on instance-tags, and create a filter for TCP traffic

Answer: D

Explanation:
Create Packet Mirroring Policies:
You need to create three packet mirroring policies, one for each zone (us-west2-a, us-west2-b, and us-west2-c). This ensures that each zone's traffic is mirrored appropriately without unnecessary cross-zone traffic.
Create Collector Instances:
Set up one group of collector instances for the us-west2 region. Having a single group of collector instances for the entire region minimizes the number of instances required and simplifies the management while keeping egress costs low since the collectors are within the same region.
Configuration of Policies:
Each packet mirroring policy should be configured to match traffic for its specific zone. Use instance-tags to identify and match the relevant instances within each zone. This helps in correctly capturing the traffic from the appropriate sources.
Filter for TCP Traffic:
Create a filter for TCP traffic (ports 80 and 443). This step ensures that only the relevant web application traffic is mirrored, reducing the amount of data processed and improving efficiency.
Cost Efficiency:
By having packet mirroring policies specific to each zone and a regional collector group, you reduce inter-zonal network egress costs. The data remains within the same region, avoiding extra charges associated with cross-zone traffic.
Reference:
Google Cloud Packet Mirroring Documentation
Best Practices for Packet Mirroring
Cost Management in Google Cloud
This solution aligns with Google-recommended practices by ensuring efficient traffic capture, minimal inter-zonal costs, and streamlined management of the packet mirroring setup.

NEW QUESTION # 187
Question:
You reviewed the user behavior for your main application, which uses an external global Application Load Balancer, and found that the backend servers were overloaded due to erratic spikes in client requests. You need to limit concurrent sessions and return an HTTP 429 "Too Many Requests" response back to the client while following Google-recommended practices. What should you do?

A. Create a Cloud Armor security policy, and associate the policy with the load balancer. Configure the security policy's settings as follows: action: throttle, conform-action: allow, exceed-action: deny-429.
B. Create a Cloud Armor security policy, and apply the predefined Open Worldwide Application Security Project (OWASP) rules to automatically implement the rate limit per client IP address.
C. Configure a VM with Linux, implement the rate limit through iptables, and use a firewall rule to send an HTTP 429 response to the client application.
D. Configure the load balancer to accept only the defined amount of requests per client IP address, increase the backend servers to support more traffic, and redirect traffic to a different backend to burst traffic.

Answer: A

Explanation:
To control traffic spikes and enforce rate limits, configure Cloud Armor with throttle and deny-429 actions
. This allows you to set rate limits per client IP and ensures that excess traffic receives an HTTP 429 response, effectively controlling overload situations per Google best practices.
Reference: Google Cloud - Cloud Armor Rate Limiting

NEW QUESTION # 188
You have installed Apache Tomcat 8.X on a compute engine in google cloud on port 8085 and you have also installed Jenkins on the same machine on a custom port .You have created a firewall rule that allows traffic to port 8085 .You can see the Apache Tomcat page when you browse X.X.X.X:8085 , but when you browse X.X.X.X:custom port , the Jenkins page doesn't load . What could be the possible solution? Please select the right choice.

A. Create a firewall rule; select the correct network , create a target tag and attach the tag to the compute engine instance and allow traffic to custom port that is mapped with Jenkins.
B. Create a firewall rule; select the correct subnet which has the compute engine and allow all protocols and ports .
C. Create a firewall rule; select the correct subnet , create a target tag attach it to the compute engine instance and allow all protocols and ports.
D. Create a firewall rule; select the correct network and select the target as all instances in the network and specify the custom port and protocol.

Answer: A

Explanation:
Option B is the Correct choice because, creating a tag and attaching it to the compute engine instance and also allowing traffic to custom port is is less permissive.
Option A is Incorrect because , selecting the target as all instances in the network allows traffic to all instances .
Option C is Incorrect because allowing all protocols and ports is a security scare and always follow principle of least permissive.
Option D is Incorrect because, allowing all protocols and ports could lead to a security disaster, always follow the principle of least permissive.

NEW QUESTION # 189
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. 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.
B. Turn on Private Services Access at the VPC level.
C. Turn on Private Google Access at the subnet level.
D. 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.
E. Turn on Private Google Access at the VPC level.

Answer: A,C

NEW QUESTION # 190
......

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Elijah Baker Elijah Baker

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