SAFe® 5 DevOps Certification SAFe 5 DevOps Monitoring and Telemetry

Question 1

What are the four golden signals of monitoring as applied in SAFe DevOps?

Accepted Answer

Latency, traffic, errors, and saturation

Answer

CPU, memory, disk, and network

Answer

Availability, durability, scalability, and security

Answer

Logs, metrics, traces, and alerts

Question 2

What is observability and how does it differ from traditional monitoring?

Accepted Answer

Observability is the ability to understand internal system state from external outputs, going beyond predefined metrics to enable exploration of unknown problems

Answer

Observability and monitoring are identical concepts

Answer

Observability only uses log files

Answer

Monitoring is more advanced than observability

Question 3

What is the purpose of distributed tracing in microservices architectures?

Accepted Answer

To track a request's journey across multiple services to identify bottlenecks and failures

Answer

To distribute workload across servers

Answer

To trace network cables in a data center

Answer

To monitor individual server CPU usage

Question 4

What are Service Level Objectives (SLOs) in the context of DevOps?

Accepted Answer

Target values for service reliability metrics that balance availability with development velocity

Answer

The maximum number of services in production

Answer

Legal requirements for system uptime

Answer

Marketing goals for customer satisfaction

Question 5

What is an error budget in SRE/DevOps practice?

Accepted Answer

The acceptable amount of unreliability, calculated as 1 minus the SLO target, which can be 'spent' on deployments and changes

Answer

The budget allocated for fixing bugs

Answer

The maximum number of errors allowed in code

Answer

The financial cost of system downtime

Question 6

What is the value of implementing chaos engineering in a SAFe DevOps environment?

Accepted Answer

Proactively testing system resilience by introducing controlled failures to discover weaknesses

Answer

Creating chaos in the development team to increase creativity

Answer

Randomly deleting production data to test backups

Answer

Intentionally causing outages to test customer patience