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Professional Cloud Network Engineer
Professional Cloud Network Engineer Exam

You need to restrict access to your Google Cloud load-balanced application so that only specific IP addresses can connect.

What should you do?

  1. Create a secure perimeter using the Access Context Manager feature of VPC Service Controls and restrict access to the source IP range of the allowed clients and Google health check IP ranges.
  2. Create a secure perimeter using VPC Service Controls, and mark the load balancer as a service restricted to the source IP range of the allowed clients and Google health check IP ranges.
  3. Tag the backend instances "application," and create a firewall rule with target tag "application" and the source IP range of the allowed clients and Google health check IP ranges.
  4. Label the backend instances "application," and create a firewall rule with the target label "application" and the source IP range of the allowed clients and Google health check IP ranges.

Answer(s): C


Reference:

https://link.springer.com/chapter/10.1007/978-1-4842-1004-8_4



Your end users are located in close proximity to us-east1 and europe-west1. Their workloads need to communicate with each other. You want to minimize cost and increase network efficiency.

How should you design this topology?

  1. Create 2 VPCs, each with their own regions and individual subnets. Create 2 VPN gateways to establish connectivity between these regions.
  2. Create 2 VPCs, each with their own region and individual subnets. Use external IP addresses on the instances to establish connectivity between these regions.
  3. Create 1 VPC with 2 regional subnets. Create a global load balancer to establish connectivity between the regions.
  4. Create 1 VPC with 2 regional subnets. Deploy workloads in these subnets and have them communicate using private RFC1918 IP addresses.

Answer(s): D

Explanation:

VPC Network Peering enables you to peer VPC networks so that workloads in different VPC networks can communicate in private RFC 1918 space. Traffic stays within Google's network and doesn't traverse the public internet.


Reference:

https://cloud.google.com/vpc/docs/vpc-peering



Your organization is deploying a single project for 3 separate departments. Two of these departments require network connectivity between each other, but the third department should remain in isolation. Your design should create separate network administrative domains between these departments. You want to minimize operational overhead.

How should you design the topology?

  1. Create a Shared VPC Host Project and the respective Service Projects for each of the 3 separate departments.
  2. Create 3 separate VPCs, and use Cloud VPN to establish connectivity between the two appropriate VPCs.
  3. Create 3 separate VPCs, and use VPC peering to establish connectivity between the two appropriate VPCs.
  4. Create a single project, and deploy specific firewall rules. Use network tags to isolate access between the departments.

Answer(s): A

Explanation:

Use Shared VPC to connect to a common VPC network. Resources in those projects can communicate with each other securely and efficiently across project boundaries using internal IPs. You can manage shared network resources, such as subnets, routes, and firewalls, from a central host project, enabling you to apply and enforce consistent network policies across the projects.

With Shared VPC and IAM controls, you can separate network administration from project administration. This separation helps you implement the principle of least privilege. For example, a centralized network team can administer the network without having any permissions into the participating projects. Similarly, the project admins can manage their project resources without any permissions to manipulate the shared network.


Reference:

https://cloud.google.com/docs/enterprise/best-practices-for-enterprise-organizations



You are migrating to Cloud DNS and want to import your BIND zone file. Which command should you use?

  1. gcloud dns record-sets import ZONE_FILE --zone MANAGED_ZONE
  2. gcloud dns record-sets import ZONE_FILE --replace-origin-ns --zone MANAGED_ZONE
  3. gcloud dns record-sets import ZONE_FILE --zone-file-format --zone MANAGED_ZONE
  4. gcloud dns record-sets import ZONE_FILE --delete-all-existing --zone MANAGED ZONE

Answer(s): C

Explanation:

Once you have the exported file from your other provider, you can use the gcloud dns record-sets import command to import it into your managed zone.
To import record-sets, you use the dns record-sets import command. The --zone-file-format flag tells importto expect a BIND zone formatted file. If you omit this flag, import expects a YAML-formatted records file.


Reference:

https://medium.com/@prashantapaudel/gcp-certification-series-2-4-planning-and-configuring-network-resources-8045ac2cc2ac




Dnllin
Which AWS services or features enable users to connect on-premises networks to a VPC? (Choose two.) Answer(s): A,D. D (VPC peering) is wrong. C is correct - AWS Direct Connect. Using AWS Direct Connect, you can establish private connectivity between AWS and your datacenter, office,
- UNITED STATES
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Lin Tzu
QUESTION: 154 - answer (D) - Transit gateway is wrong, should be C & E. Below are the components of the site to site VPN: Customer Gateway: A customer gateway is a physical device or software application on your side of the Site-to-Site VPN connection. Virtual Private Gateway: A virtual private gateway is the VPN concentrator on the AWS side of the Site-to-Site VPN connection. You create a virtual private gateway and attach it to the VPC from which you want to create the Site-to-Site VPN connection.
- Anonymous
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saritha
I have passed the exam thankyou
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Tzu Lin
What are the benefits of consolidated billing for AWS Cloud services? (Choose two.) Answer(s): C,E C) One bill for multiple accounts E) Custom cost and usage budget creation E seems incorrect, should be A = Volume discounts (Combined usage – You can combine the usage across all accounts in the organization to share the volume pricing discounts)
- UNITED STATES
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Niraj
Questions are valid. I just passed.
- India
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Sarah
Fantastic effort on the practice exam!
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Marcus
Impressive work on this exam dumps. Love the free version.
- CANADA
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Emily
Great job on these practice exam questions! You guys are the best.
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seagal
I just passed (310-025) SCJP test yesterday. Your guide is right on the money and almost covers every question word for word. Great work !
- Edmonton
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Illya
I passed my exam today with a score of 964. This was a difficult test but the preparation guide was very good. I would not have passed without the materials. Thank you very much for giving me the opportunity to better my life.
- Alberta
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