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To prepare for the Google Professional-Cloud-Network-Engineer Certification Exam, candidates should have a solid understanding of networking concepts and protocols, as well as hands-on experience with GCP. Google offers a number of resources to help candidates prepare for the exam, including online courses, practice exams, and study guides.
Google Professional-Cloud-Network-Engineer certification exam is designed to test the knowledge and skills of network engineers who work with Google Cloud Platform (GCP). Google Cloud Certified - Professional Cloud Network Engineer certification is intended for individuals who are familiar with networking concepts and have experience working with GCP tools and services.
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NEW QUESTION # 12
You are designing an IP address scheme for new private Google Kubernetes Engine (GKE) clusters, Due to IP address exhaustion of the RFC 1918 address space in your enterprise, you plan to use privately used public IP space for the new dusters. You want to follow Google-recommended practices, What should you do after designing your IP scheme?
Answer: C
Explanation:
The correct answer is D. Create privately used public IP primary and secondary subnet ranges for the clusters.
Create a private GKE cluster with the following options selected: --disable-default-snat, --enable-ip-alias, and
--enable-private-nodes.
This answer is based on the following facts:
* Privately used public IP (PUPI) addresses are any public IP addresses not owned by Google that a customer can use privately on Google Cloud1. You can use PUPI addresses for GKE pods and services in private clusters to mitigate address exhaustion.
* A private GKE cluster is a cluster that has no public IP addresses on the nodes2. You can use private clusters to isolate your workloads from the public internet and enhance security.
* The --disable-default-snat option disables source network address translation (SNAT) for the cluster3.
This option allows you to use PUPI addresses without conflicting with other public IP addresses on the internet.
* The --enable-ip-alias option enables alias IP ranges for the cluster4. This option allows you to use separate subnet ranges for nodes, pods, and services, and to specify the size of those ranges.
* The --enable-private-nodes option enables private nodes for the cluster5. This option ensures that the nodes have no public IP addresses and can only communicate with other Google Cloud resources in the same VPC network or peered networks.
The other options are not correct because:
* Option A is not suitable. Creating RFC 1918 primary and secondary subnet IP ranges for the clusters does not solve the problem of address exhaustion. Re-using the secondary address range for pods across multiple private GKE clusters can cause IP conflicts and routing issues.
* Option B is also not suitable. Creating RFC 1918 primary and secondary subnet IP ranges for the clusters does not solve the problem of address exhaustion. Re-using the secondary address range for services across multiple private GKE clusters can cause IP conflicts and routing issues.
* Option C is not feasible. Creating privately used public IP primary and secondary subnet ranges for the clusters is a valid step, but creating a private GKE cluster with only --enable-ip-alias and --enable- private-nodes options is not enough. You also need to disable default SNAT to avoid IP conflicts with other public IP addresses on the internet.
NEW QUESTION # 13
You are migrating a three-tier application architecture from on-premises to Google Cloud. As a first step in the migration, you want to create a new Virtual Private Cloud (VPC) with an external HTTP(S) load balancer. This load balancer will forward traffic back to the on-premises compute resources that run the presentation tier. You need to stop malicious traffic from entering your VPC and consuming resources at the edge, so you must configure this policy to filter IP addresses and stop cross-site scripting (XSS) attacks. What should you do?
Answer: C
NEW QUESTION # 14
You work for a multinational enterprise that is moving to GCP.
These are the cloud requirements:
- An on-premises data center located in the United States in Oregon and New York with Dedicated Interconnects connected to Cloud regions us- west1 (primary HQ) and us-east4 (backup)
- Multiple regional offices in Europe and APAC
- Regional data processing is required in europe-west1 and australia-
southeast1
- Centralized Network Administration Team
Your security and compliance team requires a virtual inline security appliance to perform L7 inspection for URL filtering. You want to deploy the appliance in us-west1.
What should you do?
Answer: C
NEW QUESTION # 15
You are designing a Google Kubernetes Engine (GKE) cluster for your organization. The current cluster size is expected to host 10 nodes, with 20 Pods per node and 150 services. Because of the migration of new services over the next 2 years, there is a planned growth for 100 nodes, 200 Pods per node, and 1500 services. You want to use VPC-native clusters with alias IP ranges, while minimizing address consumption.
How should you design this topology?
Answer: D
Explanation:
The service range setting is permanent and cannot be changed. Please see https://stackoverflow.com/questions/60957040/how-to-increase-the-service-address-range-of-a-gke-cluster I think the correc tanswer is A since: Grow is expected to up to 100 nodes (that would be /25), then up to 200 pods per node (100 times 200 = 20000 so /17 is 32768), then 1500 services in a /21 (up to 2048)
https://docs.netgate.com/pfsense/en/latest/book/network/understanding-cidr-subnet-mask-notation.html
NEW QUESTION # 16
You need to establish network connectivity between three Virtual Private Cloud networks, Sales, Marketing, and Finance, so that users can access resources in all three VPCs. You configure VPC peering between the Sales VPC and the Finance VPC. You also configure VPC peering between the Marketing VPC and the Finance VPC. After you complete the configuration, some users cannot connect to resources in the Sales VPC and the Marketing VPC. You want to resolve the problem.
What should you do?
Answer: C
Explanation:
https://cloud.google.com/vpc/docs/using-vpc-peering
NEW QUESTION # 17
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