CNCF Landscape

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Open-source system monitoring and alerting toolkit originally built at SoundCloud

• Prometheus

• Grafana

• Kubernetes

• Istio

Platform agnostic open-source control plane for service mesh and microservices management, with support for Kubernetes, VM, and bare metal environments.

• Istio

• Kuma

• Argo

• etcd

Open source tools for Kubernetes to run workflows, manage clusters, and do GitOps right.

• ArgoCD

• CICD

• DevOps

• FluxCD

Open source edge and Service Proxy, designed for Cloud Native Applications

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Reduces the risk of introducing a new software version in production by gradually shifting traffic to the new version while measuring metrics and running conformance tests.

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Answer explanation

Flagger implements several deployment strategies like:
- Canary releases
- A/B testing
- Blue/Green mirroring

Using a service mesh or ingress controller for traffic routing:
- Istio, Linkerd, Kuma, Countour.
- Gloo, NGINX, Skipper, Traefik.

Which of the following is not a Container Runtime?

• cri-o

• rook

• lxd

• lima

Answer explanation

Rook automates deployment and management of Ceph to provide self-managing, self-scaling, and self-healing storage services.

The Rook operator does this by building on Kubernetes resources to deploy, configure, provision, scale, upgrade, and monitor Ceph.

Cloud native control plane framework that allows you to build control planes without needing to write code.

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Answer explanation

Crossplane also acts as a Kubernetes Controller to watch the state of the external resources and provide state enforcement.

If something modifies or deletes a resource outside of Kubernetes, Crossplane reverses the change or recreates the deleted resource.

Crossplane lets you manage anything, anywhere, all through standard Kubernetes APIs. Crossplane can even let you order a pizza directly from Kubernetes. If it has an API, Crossplane can connect to it.

Which technology owns this logo?

• Linux

• Consul

• Emissary

• dex

Answer explanation

Emissary-Ingress is an open-source Kubernetes-native API Gateway + Layer 7 load balancer + Kubernetes Ingress built on Envoy Proxy.

Formerly known as Ambassador API Gateway

General purpose policy engine that unifies policy enforcement across the stack.

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Answer explanation

OPA generates policy decisions by evaluating the query input against policies and data. OPA and Rego are domain-agnostic so you can describe almost any kind of invariant in your policies.

• - Which users can access which resources.

• - Which subnets egress traffic is allowed to.

• - Which clusters a workload must be deployed to.

• - Which registries binaries can be downloaded from.

• - Which OS capabilities a container can execute with.

• - Which times of day the system can be accessed at.