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Exam Professional Cloud Network Engineer topic 1 question 155 discussion

Actual exam question from Google's Professional Cloud Network Engineer
Question #: 155
Topic #: 1
[All Professional Cloud Network Engineer Questions]

Your company recently migrated to Google Cloud in a single region. You configured separate Virtual Private Cloud (VPC) networks for two departments: Department A and Department B. Department A has requested access to resources that are part of Department B's VPC. You need to configure the traffic from private IP addresses to flow between the VPCs using multi-NIC virtual machines (VMs) to meet security requirements. Your configuration also must:

• Support both TCP and UDP protocols
• Provide fully automated failover
• Include health-checks
• Require minimal manual intervention in the client VMs

Which approach should you take?

  • A. Create the VMs in the same zone, and configure static routes with IP addresses as next hops.
  • B. Create the VMs in different zones, and configure static routes with instance names as next hops.
  • C. Create an instance template and a managed instance group. Configure a single internal load balancer, and define a custom static route with the internal TCP/UDP load balancer as the next hop.
  • D. Create an instance template and a managed instance group. Configure two separate internal TCP/UDP load balancers for each protocol (TCP/UDP), and configure the client VMs to use the internal load balancers’ virtual IP addresses.
Show Suggested Answer Hide Answer
Suggested Answer: C 🗳️
by daidai75 at Dec. 31, 2023, 7:28 a.m.

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anshad666
10 months, 1 week ago
Selected Answer: C
We can configure TCP and UDP protocol on same Internal TCP LB
upvoted 2 times
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thewalker
1 year ago
Selected Answer: C
This approach meets all the requirements: • Support both TCP and UDP protocols: Internal load balancers support both TCP and UDP protocols. • Provide fully automated failover: Managed instance groups provide fully automated failover. If one of the VMs in the instance group fails, the traffic will be automatically routed to another VM in the group. • Include health-checks: Internal load balancers include health-checks. The load balancer will automatically check the health of the VMs in the instance group and remove any unhealthy VMs from the pool. • Require minimal manual intervention in the client VMs: Once the custom static route is configured, the client VMs will automatically route traffic to the internal load balancer. No manual intervention is required in the client VMs.
upvoted 3 times
thewalker
1 year ago
The other options are incorrect because: A. Create the VMs in the same zone and configure static routes with IP addresses as next hops. This approach does not provide fully automated failover. If one of the VMs fails, the traffic will not be automatically routed to another VM. B. Create the VMs in different zones and configure static routes with instance names as next hops. This approach does not provide fully automated failover. If one of the VMs fails, the traffic will not be automatically routed to another VM. D. Create an instance template and a managed instance group. Configure two separate internal TCP/UDP load balancers for each protocol (TCP/UDP) and configure the client VMs to use the internal load balancers’ virtual IP addresses. This approach is more complex than option C and requires more manual intervention in the client VMs.
upvoted 1 times
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dev62
1 year, 2 months ago
D. Create an instance template and a managed instance group. Configure two separate internal TCP/UDP load balancers for each protocol (TCP/UDP), and configure the client VMs to use the internal load balancers’ virtual IP addresses. Here’s why this option is suitable: Instance Template and Managed Instance Group: By creating an instance template and a managed instance group, you can easily manage and scale your VMs while ensuring consistency across instances. Internal TCP/UDP Load Balancers: Internal load balancers allow traffic to flow between VPCs using private IP addresses. You can configure separate load balancers for TCP and UDP protocols. Health checks ensure that only healthy VMs receive traffic. Failover is automated, and minimal manual intervention is required.
upvoted 2 times
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desertlotus1211
1 year, 2 months ago
https://support.netfoundry.io/hc/en-us/articles/4415394436493-GCP-Cloud-Ingress-High-Availability This website support answer D
upvoted 1 times
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gonlafer
1 year, 2 months ago
Selected Answer: D
Google Cloud Platform (GCP) Internal TCP/UDP Load Balancers were designed to handle either TCP or UDP traffic, but not both in the same configuration. Each load balancer is typically configured for either TCP or UDP based on your specific requirements.
upvoted 2 times
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PhuocT
1 year, 4 months ago
Selected Answer: C
Vote for C, I double check in the console, I could create one load balancer to support both TCP and UDP.You can specify the protocols and ports in the frontend configuration of the load balancer. More detail, check Network Load balancer (UDP/Multiple Protocols) configuration.
upvoted 2 times
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TomTom1101
1 year, 4 months ago
Selected Answer: C
I'm not confident
upvoted 1 times
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daidai75
1 year, 4 months ago
Selected Answer: D
In reality, Google Cloud's internal load balancer requires separate configurations for each protocol. Therefore, a single load balancer cannot manage both TCP and UDP traffic within the same configuration. This option is more appropriate because it involves setting up separate internal load balancers for TCP and UDP, ensuring that each protocol is adequately supported and managed, with proper failover and health check mechanisms. This approach aligns better with the specified requirements of supporting both protocols, automated failover, and minimal manual intervention.
upvoted 2 times
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