ASSOCIATE-CLOUD-ENGINEER Question #195: Real Exam Question with Answer & Explanation

Question

You have a batch workload that runs every night and uses a large number of virtual machines (VMs). It is fault-tolerant and can tolerate some of the VMs being terminated. The current cost of VMs is too high. What should you do?

Options

• ARun a test using simulated maintenance events.
• BRun a test using simulated maintenance events.
• CRun a test using a managed instance group.
• DRun a test using N1 standard VMs instead of N2.

Explanation

Creating and starting a preemptible VM instance This page explains how to create and use a preemptible virtual machine (VM) instance. A preemptible instance is an instance you can create and run at a much lower price than normal instances. However, Compute Engine might terminate (preempt) these instances if it requires access to those resources for other tasks. Preemptible instances will always terminate after 24 hours. To learn more about preemptible instances, read the preemptible instances Preemptible instances are recommended only for fault-tolerant applications that can withstand instance preemptions. Make sure your application can handle preemptions before you decide to create a preemptible instance. To understand the risks and value of preemptible instances, read the preemptible instances documentation. https://cloud.google.com/compute/docs/instances/create-start-preemptible-instance

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