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Introduction to Google Professional Cloud Network Engineer Exam

Google Professional Cloud Network Engineer Exam is a certification exam that is conducted by Google to validates candidate knowledge and skills of working as a Professional Cloud network engineer in the IT industry.

After passing this exam, candidates get a certificate from Google that helps them to demonstrate their proficiency in Google Professional Cloud Network Engineer to their clients and employers.

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Google Professional-Cloud-Network-Engineer (Google Cloud Certified - Professional Cloud Network Engineer) Exam is a certification exam offered by Google for professionals who are interested in validating their skills and knowledge in designing, implementing, and managing cloud network architectures on the Google Cloud Platform. Professional-Cloud-Network-Engineer exam is designed to test the candidate's ability to design and implement network solutions that meet business objectives and technical requirements.

Google Professional-Cloud-Network-Engineer Certification is a professional certification designed for IT professionals who want to demonstrate their knowledge and skills in network engineering on the Google Cloud platform. Google Cloud Certified - Professional Cloud Network Engineer certification exam is intended for individuals who have a solid understanding of networking concepts and are experienced in designing, deploying, and managing networks on the Google Cloud platform.

Google Cloud Certified - Professional Cloud Network Engineer Sample Questions (Q80-Q85):

NEW QUESTION # 80
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. Create a Google Cloud Armor security policy with web application firewall rules, and apply the security policy to the backend service.
C. Enable Cloud CDN on the backend service.
D. Create multiple firewall deny rules to block malicious users, and apply them to the global external application load balancer

Answer: B

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.
:
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 # 81
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 network and select the target as all instances in the network and specify the custom port and protocol.
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 subnet which has the compute engine and allow all protocols and ports.

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 # 82
Your organization has a hub and spoke architecture with VPC Network Peering, and hybrid connectivity is centralized at the hub. The Cloud Router in the hub VPC is advertising subnet routes, but the on-premises router does not appear to be receiving any subnet routes from the VPC spokes. You need to resolve this issue. What should you do?

A. Create custom routes at the Cloud Router in the spokes to advertise the subnets of the VPC spokes.
B. Create custom routes at the Cloud Router in the hub to advertise the subnets of the VPC spokes.
C. Create custom learned routes at the Cloud Router in the hub to advertise the subnets of the VPC spokes.
D. Create a BGP route policy at the Cloud Router, and ensure the subnets of the VPC spokes are being announced towards the on-premises environment.

Answer: D

Explanation:
In a hub-and-spoke architecture with hybrid connectivity, subnet routes from the spoke VPCs are not automatically advertised to the on-premises environment. This is because VPC Network Peering does not propagate routes from one VPC to another by default. To resolve this issue:
Create a BGP route policy at the Cloud Router in the hub VPC: A BGP route policy ensures that the subnet routes from the VPC spokes, learned via VPC peering, are advertised to the on- premises environment through the hybrid connection. This step is necessary because the Cloud Router only advertises routes explicitly configured in its route policy.
Verify subnet route export/import settings in VPC peering: Ensure that the VPC peering connections between the hub and the spokes are configured to allow the import/export of subnet routes as required.
By creating and applying a BGP route policy, the subnet routes from the spoke VPCs will be announced to the on-premises router, ensuring proper routing and connectivity in the hybrid architecture.

NEW QUESTION # 83
You suspect that one of the virtual machines (VMs) in your default Virtual Private Cloud (VPC) is under a denial-of-service attack. You need to analyze the incoming traffic for the VM to understand where the traffic is coming from. What should you do?

A. Enable Data Access audit logs of the VPC. Analyze the logs and get the source IP addresses from the subnetworks.get field.
B. Enable VPC Flow Logs for the VPC. Analyze the logs and get the source IP addresses from the src_location field.
C. Enable Data Access audit logs of the subnet. Analyze the logs and get the source IP addresses from the networks.get field.
D. Enable VPC Flow Logs for the subnet. Analyze the logs and get the source IP addresses from the connection field.

Answer: D

NEW QUESTION # 84
Your company is working with a partner to provide a solution for a customer. Both your company and the partner organization are using GCP. There are applications in the partner's network that need access to some resources in your company's VPC. There is no CIDR overlap between the VPCs.
Which two solutions can you implement to achieve the desired results without compromising the security? (Choose two.)

A. Dedicated Interconnect
B. Shared VPC
C. Cloud VPN
D. Cloud NAT
E. VPC peering

Answer: C,E

Explanation:
Google Cloud VPC Network Peering allows internal IP address connectivity across two Virtual Private Cloud (VPC) networks regardless of whether they belong to the same project or the same organization.

NEW QUESTION # 85
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