Logging and Monitoring

Question 1

What is an SLI?

Answer 1

Carefully selected monitoring metric that measures one aspect of a services reliability.

Question 2

What is an SLO?

Answer 2

Combines a service level indicator with a target reliability and will generally be somewhere just short of 100%. (99.9% for example)

Question 3

What is an SLA?

Answer 3

This is a commitment made to your customers that a systems and applications will only have a certain amount of downtime.

Question 4

What is Cloud Monitoring used for ?

Answer 4

To gain visibility into the performance, availability, and health of your applications and infrastructure.

Question 5

What is Cloud logging ?

Answer 5

Fully managed, real-time log management with storage, search, analysis and alerting at exabyte scale

Question 6

What are the four key log categories

Answer 6

1. Audit logs
2. Service logs
3. Network logs
4. Agent logs

Question 7

What is Cloud Trace ?

Answer 7

Collects latency data from distributed applications and displays it in the Google Cloud Console.

Question 8

Cloud Profiler

Answer 8

Uses Statistical Techniques and low-impact instrumentation that runs across all production application instances to provide a complete CPU and. Heap picture of the application.

Question 9

What are the four gold symbols that measure a system’s performance and reliability ?

Answer 9

1. Latency
2. traffic
3. saturation
4. errors

Question 10

What is a KPI

Answer 10

KPI stands for key performance indicator, a quantifiable measure of performance over time for a specific objective