Logging, Monitoring and Observability in Google Cloud Coursera Quiz Answers

All Weeks Logging, Monitoring and Observability in Google Cloud Quiz Answers

Learn how to monitor, troubleshoot, and improve your infrastructure and application performance. Guided by the principles of Site Reliability Engineering (SRE), this course features a combination of lectures, demos, hands-on labs, and real-world case studies. In this course, you’ll gain experience with full-stack monitoring, real-time log management and analysis, debugging code in production, and profiling CPU and memory usage.

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Logging, Monitoring and Observability in Google Cloud Week 1 Quiz Answers

Quiz 1: Introduction to Monitoring in Google Cloud Quiz Answers

Q1. You want a simple way to see the latency of requests for a web application you deployed to App Engine. What GCP tool should you use?

  • Logging
  • Debugger
  • Profiler
  • Trace

Q2. The error-reporting tool is showing occasional errors in your service and you don’t know why. Which tool below would help track down your programming error?

  • Trace
  • Debugger
  • Profiler
  • Logging

Q3. You want to do analytics on the most frequently used features of your application. Which tool might be best for doing this?

  • Profiler
  • Trace
  • Debugger
  • Logging

Quiz 2: Avoiding Customer Pain Quiz Answers

Q1. What are the four golden signals?

  • Availability, durability, scalability, resiliency.
  • Latency, traffic, saturation, errors.
  • IKPIs, SLIs, SLOs, SLAs.
  • Get, post, put, delete.

Q2. Which definition below best describes an SLI

  • It is a percentage goal of a measure you intend your service to achieve.
  • It represents a contract with your customers regarding service performance.
  • It is a time-bound measurable attribute of a service.
  • It is a key performance indicator, for example, clicks per session or customer signups.

Q3. Which of the following is NOT true when talking about error budgets?

  • An error budget is generally expressed as a percentage, and that percentage will hover somewhere near, but not at, 100%.
  • The error budget is calculated as 100% minus the SLO for a given SLI.
  • Developers can work on new features as long as they are within their error budget
  • You should devise an alerting strategy that notifies developers of an event that is consuming an unusually high percentage to the error budget.

Quiz 3: Alerting Policies Quiz Answers

Q1. In evaluating your alerting policies, which below best describes precision.

  • How long it takes to send notifications in various conditions
  • The proportion of events detected that were significant
  • How long alerts fire after an issue is resolved
  • The proportion of significant events detected

Q2. In evaluating your alerting policies, which below best describes recall.

  • The proportion of events detected that were significant
  • The proportion of significant events detected
  • How long it takes to send notifications in various conditions
  • How long alerts fire after an issue is resolved

Q3. In GCP alerting, which of the options below is NOT a valid notification channel?

  • Webhooks
  • Twitter
  • Slack
  • SMS and Email

About Logging, Monitoring and Observability in Google Cloud Week 2 Quiz Answers

Quiz 1: Monitoring Critical Systems Quiz Answers

Q1. You’re setting up a load balancer for an application you deployed to Compute Engine. To ensure the load balancer only sends requests to machines that are working; you would use what GCP tool?

  • Health Check
  • Liveness Probe
  • Uptime Check
  • Readiness Probe

Q2. You want to be notified if your application is down. Which GCP tool makes this easy?

  • Readiness Probe
  • Liveness Probe
  • Uptime Check
  • Health Check

Q3. Which option below is NOT a feature of Google Cloud monitoring dashboards?

  • Automated predefined dashboards based on project resources.
  • Can monitor resources in AWS and on-prem as well as GCP.
  • Can create workspaces to monitor resources in different projects.
  • Does not require the Monitoring Viewer role..

Quiz 2: Configuring Google Cloud Services for Observability Quiz Answers

Q1. You’ve deployed an application to Compute Engine. The application writes to the logs, but you can’t find any of the logged messages in Cloud Logging. What might be the problem?

  • You need to install the logging agent.
  • You need to turn on the VM machine logs.
  • You need to add the Logging Viewer role to the service account.
  • You need to deny access to all Google Cloud services under scopes.

Q2. Management wants to see analysis of resources by the development team, department, cost center, and application status. What could you do to make this easier?

  • Add appropriate tags to your Google Cloud resources.
  • Add appropriate labels to your Google Cloud resource.
  • Use standardized prefixes on the names of all resources.
  • Use customized logging messages that include appropriate resource metadata.

Q3. Which statement below is false?

  • Workspaces can include resources from multiple projects.
  • Workspaces can include AWS resources.
  • You can allow other users to view your workspace using IAM.
  • Each project can be in only one workspace.

Quiz 3: Advanced Logging and Analysis Answers

Q1. You want to use the logs to monitor application usage in real time. Where would the best export sink be?

  • Pub/Sub
  • Spanner
  • BigQuery
  • Cloud Storage

Q2. Your manager wants a daily report of resource utilization by application. Where would the best export sink be?

  • Cloud Storage
  • Spanner
  • Pub/Sub
  • BigQuery

Q3. Your governance team has mandated you save your log data for 5 years for compliance reasons. Where would the best place to export it be?

  • BigQuery
  • Cloud Storage in a single-region bucket using the archival storage class
  • Cloud Storage in a multi-region bucket
  • You don’t need to export it, just set the retention policy in Logging to 5 years

About Logging, Monitoring and Observability in Google Cloud Week 3 Quiz Answers

Quiz 1: Monitoring Network Security and Audit Logs Quiz Answers

Q1. Which of the statements below are FALSE when explaining why Data Access logs are turned off by default?

  • Can be very large.
  • They often have VPC access issues.
  • Can be expensive to store.
  • May contain sensitive information.

Q2. If you want to provide an external auditor access to your logs, what IAM role would be best?

  • Logging Viewer
  • Project Viewer
  • Project Editor
  • Logging Admin

Quiz 2: Managing Incidents Quiz Answers

Q1. Which of the following are incident response team roles?

  • Executive, Operations, Lead
  • Helpdesk, DevOps, Engineering
  • On-call Responder, Helpdesk, DevOps
  • Incident Commander, Operations Lead, Communications Lead

Q2. Which of the following is the most important task after an incident has been declared?

  • Mitigation
  • Postmortem
  • Root cause analysis
  • Assign blame

Q3. Which of the following documents summarize the events during the incident and evaluate the effectiveness of the incident response?

  • Alerts
  • Support tickets
  • Postmortems
  • Communication Channels

Quiz 3:Investigating Application Performance Issues Quiz Answers

Q1. Your App Engine application crashes sometimes and you don’t know why. It works on your development machine. Which tool would most likely help you figure out the problem?

  • Trace
  • Logging
  • Debugger
  • Profiler

Q2. You have an SLO that states 90% of your http requests need to respond in under 100 ms. You’d like a report that compares latency for your last two versions. What tool would you use to most easily create this report?

  • Debugger
  • Logging
  • Trace
  • Profiler

Q3. You’ve deployed a new version of a service and all of a sudden significantly more instances are being created in your Kubernetes cluster. You service scales when average CPU utilization is greater than 70%. What tool would help you investigate the problem?

  • Trace
  • Debugger
  • Profiler
  • Logging
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