Google Associate Cloud Engineer Exam Practice Questions (P. 1)
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Question #2
You need to create a custom VPC with a single subnet. The subnet's range must be as large as possible. Which range should you use?
- A0.0.0.0/0
- B10.0.0.0/8
- C172.16.0.0/12
- D192.168.0.0/16
Correct Answer:
B
B
GPT-4o - Answer
When setting up a custom VPC and defining your subnet range to be as extensive as possible, the best choice is using the 10.0.0.0/8 CIDR block. This range is reserved for private networks, encompassing about 16.7 million IP addresses, making it the largest available private subnet range. In contrast, options with /12 or /16 CIDRs are considerably smaller. Therefore, for maximizing IP address allocation in a custom VPC, 10.0.0.0/8 is the optimal selection.
Question #4
You want to configure autohealing for network load balancing for a group of Compute Engine instances that run in multiple zones, using the fewest possible steps.
You need to configure re-creation of VMs if they are unresponsive after 3 attempts of 10 seconds each. What should you do?
You need to configure re-creation of VMs if they are unresponsive after 3 attempts of 10 seconds each. What should you do?
- ACreate an HTTP load balancer with a backend configuration that references an existing instance group. Set the health check to healthy (HTTP)
- BCreate an HTTP load balancer with a backend configuration that references an existing instance group. Define a balancing mode and set the maximum RPS to 10.
- CCreate a managed instance group. Set the Autohealing health check to healthy (HTTP)
- DCreate a managed instance group. Verify that the autoscaling setting is on.
Correct Answer:
C
C
GPT-4o - Answer
The correct answer, Option D, involves creating a managed instance group and ensuring that autoscaling is enabled. Autohealing in Google Cloud is configured within a managed instance group and uses health checks to determine instance status. If an instance fails the health checks, autohealing mechanisms can automatically recreate it, ensuring continued availability and stable operation without manual intervention. This approach is both efficient and in line with best practices for managing cloud resources that require high availability and robust performance.
Question #8
You have an application that looks for its licensing server on the IP 10.0.3.21. You need to deploy the licensing server on Compute Engine. You do not want to change the configuration of the application and want the application to be able to reach the licensing server. What should you do?
- AReserve the IP 10.0.3.21 as a static internal IP address using gcloud and assign it to the licensing server.
- BReserve the IP 10.0.3.21 as a static public IP address using gcloud and assign it to the licensing server.
- CUse the IP 10.0.3.21 as a custom ephemeral IP address and assign it to the licensing server.
- DStart the licensing server with an automatic ephemeral IP address, and then promote it to a static internal IP address.
Correct Answer:
A
A
GPT-4o - Answer
When setting up the licensing server on Compute Engine for an application that looks for it at a specific internal IP address (10.0.3.21), the best approach is to reserve this exact IP as a static internal IP. This can be done during the instance creation in Google Cloud by using the gcloud CLI, which ensures that the IP address doesn't change over time, thus avoiding any unnecessary tweaks to your application's configuration. This step will make the IP dedicated to the licensing server, maintaining a consistent and predictable network environment for your application’s needs.
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