Professional-Cloud-Network-Engineer Vce Test Simulator & Valid Professional-Cloud-Network-Engineer Exam Question

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Google Professional-Cloud-Network-Engineer Certification Exam is a specialized certification designed for those who wish to demonstrate their expertise in designing, implementing, and managing Google Cloud Platform (GCP) networking solutions. Google Cloud Certified - Professional Cloud Network Engineer certification is intended for network engineers, network administrators, and other IT professionals who are responsible for designing and managing enterprise-grade networking solutions.

Manage & Monitor Network Operations

In this part of the exam content, the students should be able to log and monitor with the use of GCP Console or Stackdriver. They must have competence in the management and maintenance of security, which includes firewalls and diagnosing & resolving IAM problems. Besides that, they need to be able to deal with the following objective:

Maintain & Troubleshoot Connectivity Issues: It includes the identification of traffic flow topology, redirecting and draining of traffic flows, and cross-connect hand-off for interconnect. It also measures one’s knowledge of the monitoring of egress and ingress traffic with the use of flow logs as well as monitoring firewall logs. This section will also evaluate the learners’ skills in troubleshooting and managing VPNs and troubleshooting peering issues with Cloud Router BGP.

The applicants should also demonstrate competence in troubleshooting, monitoring, and maintaining traffic flow and latency, which include routing issues, network latency testing & throughput, and tracing traffic flow.

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To earn the Google Professional-Cloud-Network-Engineer Certification, candidates must pass a 2-hour, 50-question exam that costs $200. Professional-Cloud-Network-Engineer exam is available in multiple languages and can be taken online or at a testing center. Candidates must also have hands-on experience with Google Cloud Platform and be familiar with networking technologies and concepts. Google Cloud Certified - Professional Cloud Network Engineer certification is valid for two years and can be renewed by passing an updated version of the exam or by completing a professional development course offered by Google Cloud.

Google Cloud Certified - Professional Cloud Network Engineer Sample Questions (Q300-Q305):

NEW QUESTION # 300
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?

Answer: A

Explanation:
Cloud Router BGP IP and BGP peer IP - The two BGP interface IP addresses must be link-local IP addresses belonging to a common /30 CIDR from the 169.254.0.0/16 block. Each BGP IP defines the respective link-local IP used to exchange route information. For example, 169.254.1.1 and 169.254.1.2 belong to a common /30 block.
Peer ASN - A public or private (64512 through 65534, 4200000000 through 4294967294) ASN used by your peer VPN gateway.
https://cloud.google.com/network-connectivity/docs/vpn/how-to/creating-vpn-dynamic-routes#create_a_gateway_and_tunnel

NEW QUESTION # 301
You manage a multi-tenant Google Kubernetes Engine (GKE) cluster where multiple teams deploy applications into a shared namespace.
- One team has deployed a two-tier application with a frontend
deployment and a backend deployment, identified by the labels
app:frontend and app:backend, respectively.
- Another team runs an analytics service, labeled app:analytics, in the same namespace.
You must implement a security rule stating that only Pods from the frontend deployment are allowed to connect to the backend Pods on TCP port 8080. You also must ensure that all other traffic to the backend Pods, including from the analytics pods, must be blocked while minimizing operational overhead.
What should you do?

A. Create a NetworkPolicy that selects the Pods with the app:backend label and includes an ingress rule that denies traffic from Pods with the app:analytics label.
B. Create a VPC firewall rule with a high priority to deny ingress traffic on port 8080 for all GKE nodes.
C. Create a NetworkPolicy that selects Pods with the app:backend label and includes an ingress rule that only allows traffic on TCP port 8080 from Pods with the app:frontend label.
D. Install Istio on the cluster, and configure an AuthorizationPolicy to only allow requests from the frontend's service account to the backend service.

Answer: C

Explanation:
A NetworkPolicy applied to the Pods labeled app:backend can explicitly allow ingress only on TCP port 8080 from Pods labeled app:frontend. In Kubernetes, once ingress policy selects those backend Pods, all other ingress not explicitly allowed is denied by default, so traffic from the analytics Pods and any other sources is blocked with minimal operational overhead.
Reference:
https://docs.cloud.google.com/kubernetes-engine/docs/tutorials/network-policy

NEW QUESTION # 302
Your company's current network architecture has two VPCs that are connected by a dual-NIC instance that acts as a bump-in-the-wire firewall between the two VPCs. Flows between pairs of subnets across the two VPCs are working correctly. Suddenly, you receive an alert that none of the flows between the two VPCs are working anymore. You need to troubleshoot the problem.
What should you do? (Choose two.)

A. Verify that a public IP address has not been assigned to any network interface of the dual-NIC instance.
B. Verify that the dual-NIC instance has the --can-Ip-Forward attribute enabled.
C. Verify that the dual-NIC instance has not been added to a backend service.
D. Verify that a VPC Service Controls perimeter has not been enabled for the project that contains the two VPCs and the dual-NIC instance.
E. Use Cloud Logging to verify that there were no modifications to the VPC firewall rules or policies that were applied to the two network interfaces of the dual-NIC instance.

Answer: B,E

Explanation:
Use Cloud Logging to verify modifications to firewall rules or policies: Firewall rules are critical in ensuring that traffic flows between the two VPCs. Any changes to firewall rules or policies applied to the dual-NIC instance could disrupt traffic. Reviewing Cloud Logging for modifications helps determine whether a recent change caused the connectivity issue.
Verify the --can-Ip-Forward attribute: For a dual-NIC instance to act as a bump-in-the-wire firewall and forward traffic between VPCs, it must have the --can-Ip-Forward attribute enabled. If this attribute is accidentally disabled, the instance cannot forward packets between its two interfaces, resulting in connectivity issues between the VPCs.

NEW QUESTION # 303
You have a storage bucket that contains the following objects:
- folder-a/image-a-1.jpg
- folder-a/image-a-2.jpg
- folder-b/image-b-1.jpg
- folder-b/image-b-2.jpg
Cloud CDN is enabled on the storage bucket, and all four objects have been successfully cached. You want to remove the cached copies of all the objects with the prefix folder-a, using the minimum number of commands.
What should you do?

A. Make sure that all the objects with prefix folder-a are not shared publicly.
B. Issue a cache invalidation command with pattern /folder-a/*.
C. Add an appropriate lifecycle rule on the storage bucket.
D. Disable Cloud CDN on the storage bucket. Wait 90 seconds. Re-enable Cloud CDN on the storage bucket.

Answer: B

Explanation:
https://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/Invalidation.html

NEW QUESTION # 304
Question:
Your organization is developing a landing zone architecture with the following requirements:
* No communication between production and non-production environments.
* Communication between applications within an environment may be necessary.
* Network administrators should centrally manage all network resources, including subnets, routes, and firewall rules.
* Each application should be billed separately.
* Developers of an application within a project should have the autonomy to create their compute resources.
* Up to 1000 applications are expected per environment.
What should you do?

A. Create a design that implements a single Shared VPC. Use VPC firewall rules with secure tags to enforce micro-segmentation between environments.
B. Create a design where each project has its own VPC. Ensure all VPCs are connected by a Network Connectivity Center hub that is centrally managed by the network team.
C. Create a design that has one host project with a Shared VPC for the production environment, another host project with a Shared VPC for the non-production environment, and a service project that is associated with the corresponding host project for each initiative.
D. Create a design that has a Shared VPC for each project. Implement hierarchical firewall policies to apply micro-segmentation between VPCs.

Answer: C

Explanation:
Using separate Shared VPCs for production and non-production environments in different host projects (Option D) meets all requirements. This design allows network administrators to centrally manage resources within each Shared VPC while ensuring isolation between environments and separate billing. By associating service projects with each host project, developers can manage resources within their project without affecting the overall VPC network structure.

NEW QUESTION # 305
......

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