Service Mesh KCSA Practice Questions (Page 2)

Questions 6–10

1. 6application · medium

   A team wants to perform a blue-green deployment where all traffic is switched from the blue version to the green version instantly after testing. They are using a service mesh. What is the simplest way to achieve this?

   • AUse a NetworkPolicy to block traffic to the blue version.
   • BCreate a new Service for the green version and update the application to use it.
   • CUpdate the VirtualService to route all traffic to the green version.
   • DDelete the blue version's pods and let Kubernetes reschedule them.
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2. 7foundation · easy

   Which factor should an organization evaluate when deciding whether to adopt a service mesh?

   • AThe operational complexity of managing the mesh
   • BThe color scheme of the organization's logo
   • CThe physical location of the data center
   • DThe number of developers in the organization
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4. 8expert · hard

   A company is evaluating service mesh options. They have a mix of Kubernetes and legacy VMs running services. They want to apply the same security and traffic policies across both environments. What should they consider?

   • AUse a service mesh only for Kubernetes and rely on traditional network security for VMs.
   • BUse a service mesh that only works with Kubernetes and ignore the VMs.
   • CChoose a service mesh that supports VMs as first-class citizens, such as Istio with VM workload support.
   • DMigrate all VMs to Kubernetes before adopting a service mesh.
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5. 9application · medium

   A platform team wants to gain visibility into the latency of requests that span multiple microservices. They also want to identify which service is causing errors. They are considering a service mesh. What is the primary benefit they will get?

   • AReal-time security vulnerability scanning of all service images.
   • BDistributed tracing and metrics collection for service-to-service communication.
   • CAutomatic scaling of services based on request latency.
   • DAutomatic log aggregation from all containers into a central log store.
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6. 10application · medium

   A team wants to perform a canary deployment of a new version of a service. They want to send 5% of traffic to the new version and gradually increase it. They are using a service mesh. What should they configure?

   • AA ConfigMap that tells the old version to forward traffic to the new version.
   • BA NetworkPolicy that allows traffic only to the new version.
   • CA Kubernetes Service with multiple ports and a random selector.
   • DA VirtualService with HTTP route weights to split traffic between the two versions.
   Reveal Solution Discussion Select an answer first