Question 1

You are creating and assigning action items in a postmodern for an outage. The outage is over, but you need to address the root causes. You want to ensure that your team handles the action items quickly and efficiently. How should you assign owners and collaborators to action items?

Options :

A : Assign one owner for each action item and any necessary collaborators.

B : Assign multiple owners for each item to guarantee that the team addresses items quickly

C : Assign collaborators but no individual owners to the items to keep the postmortem blameless.

D : Assign the team lead as the owner for all action items because they are in charge of the SRE team.

Answer: A

Question 2

You support a high-traffic web application with a microservice architecture. The home page of the application displays multiple widgets containing content such as the current weather, stock prices, and news headlines. The main serving thread makes a call to a dedicated microservice for each widget and then lays out the homepage for the user. The microservices occasionally fail; when that happens, the serving thread serves the homepage with some missing content. Users of the application are unhappy if this degraded mode occurs too frequently, but they would rather have some content served instead of no content at all. You want to set a Service Level Objective (SLO) to ensure that the user experience does not degrade too much. What Service Level Indicator {SLI) should you use to measure this?

Options :

A : A quality SLI: the ratio of non-degraded responses to total responses

B : An availability SLI: the ratio of healthy microservices to the total number of microservices

C : A freshness SLI: the proportion of widgets that have been updated within the last 10 minutes

D :

A latency SLI: the ratio of microservice calls that complete in under 100 ms to the total number of microservice calls

Answer: B

Question 3

What are some techniques prescribed by SRE to manage error budgets?

Options :

A : Ignoring error budgets until the end of the time period

B : Carrying over error budget funds to the next time period

C : Using the silver bullet tokens to increase error budget limits

D : Using dynamic release cadence, error budget exhaustion rates, silver bullets, and rainy-day funds

Answer: B

Question 4

The organization has recently implemented a container-based workflow for application development. The team is responsible for developing multiple applications that are continuously deployed using an automated build pipeline to a Kubernetes cluster in the production environment. However, the security auditor has raised concerns that developers or operators may bypass automated testing and introduce code changes to the production environment without proper authorization.

How can you ensure that approvals are enforced?

Options :

A : Configure the build system with protected branches that require pull request approval.

B : Use an Admission Controller to verify incoming requests come from approved sources.

C : Utilize Kubernetes Role-Based Access Control (RBAC) to limit access to approved users.

D : Activate binary authorization inside the Kubernetes cluster and set up the build pipeline as an attestor.

Answer: D

Question 5

The focus of your work is creating a monitoring strategy for your GCP projects in production, using Stackdriver Workspaces. The main objective is to promptly detect and resolve production environment issues, avoiding false alerts from development and staging projects. A key requirement is to observe the principle of least privilege when granting access to relevant team members to Stackdriver Workspaces.

What actions do you need to take?

Options :

A : Grant relevant team members the Project Viewer IAM role on all GCP production projects. Create Stackdriver workspaces inside each project.

B : Choose an existing GCP production project to host the monitoring workspace. Attach production projects to this workspace. Grant relevant team members read access to the Stackdriver Workspace.

C : Create a new GCP monitoring project and create a Stackdriver Workspace inside it. Attach production projects to this workspace. Grant relevant team members read access to the Stackdriver Workspace.

D : Grant relevant team members read access to all GCP production projects. Create Stackdriver workspaces inside each project.

Answer: C

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