You have a Compute Engine instance hosting a production application. You want to receive an email if the instance consumes more than 90% of its CPU resources for more than 15 minutes. You want to use Google services. What should you do?

You and your team have been working on a new application over the past couple weeks. While it's still in development, it's becoming a bit costly for your limited budget. The entire team had a meeting on Friday to talk about how to save money until you're able to launch. One of your team members suggested shutting down some services overnight and during the weekend. Though no official decision was made before leaving for the weekend, a junior team member sent out an email saying he found a solution to the problem.
When arriving at the office on Monday, you find that your project is no longer in the drop-down inside the Console. What's the most likely reason for the missing project?

You have set a firewall rule that will permit inbound connections to a VM instance named whizserver-2. You want to apply this rule only if there is not another rule that would deny that traffic. What priority would you give to this rule?

You are configuring service accounts for an application that spans multiple projects. Virtual machines (VMs) running in the web-applications project need access to BigQuery datasets in crm-databases-proj. You want to follow Google-recommended practices to give access to the service account in the web-applications project.
What should you do?

You are asked to set up application performance monitoring on Google Cloud projects A, B, and C as a single pane of glass. You want to monitor CPU, memory, and disk. What should you do?