# Optimasi Biaya Cloud (DevOps) > FinOps, pemantauan biaya, reserved instances, spot instances, penandaan resource, pengurangan pemborosan - 20 pertanyaan wawancara - Senior - [Pertanyaan Wawancara: DevOps](https://sharpskill.dev/id/technologies/devops/pertanyaan-wawancara.md) ## 1. Apa itu FinOps dalam konteks cloud? **Jawaban** FinOps (Financial Operations) adalah praktik budaya yang membawa akuntabilitas finansial ke model pengeluaran cloud yang bervariasi, menggabungkan engineering, keuangan, dan bisnis. Pendekatan ini memungkinkan tim membuat keputusan berbasis data tentang trade-off antara kecepatan, biaya, dan kualitas. FinOps mendorong kolaborasi antara developer, keuangan, dan operasi untuk mengoptimalkan nilai bisnis cloud. ## 2. Apa perbedaan utama antara Reserved Instances (RI) dan Savings Plans di AWS? **Jawaban** Reserved Instances memerlukan komitmen pada tipe instance tertentu (family, ukuran, region) selama 1 atau 3 tahun, menawarkan diskon hingga 72%. Savings Plans lebih fleksibel: berlaku otomatis untuk berbagai family instance, ukuran, dan region, selama penggunaan mematuhi komitmen pengeluaran per jam ($/jam). Savings Plans umumnya menawarkan fleksibilitas operasional yang lebih baik untuk arsitektur dinamis. ## 3. Kapan menggunakan Spot Instances di AWS? **Jawaban** Spot Instances menawarkan diskon hingga 90% tetapi dapat dihentikan hanya dengan pemberitahuan 2 menit. Cocok untuk workload yang toleran terhadap gangguan: batch processing, CI/CD builds, analisis data, ML training. Disarankan menggabungkan Spot dengan Auto Scaling Groups dan strategi diversifikasi (beberapa instance types/AZs) untuk memaksimalkan ketersediaan. Jangan pernah menggunakan Spot untuk database kritis atau layanan stateful tanpa replikasi. ## 17 pertanyaan lagi tersedia - Apa tujuan utama resource tagging untuk optimasi biaya? - Bagaimana cara mengidentifikasi dan mengurangi resource cloud zombie (zombie resources)? Daftar gratis: https://sharpskill.dev/id/login ## Topik wawancara DevOps lainnya - [Kontrol Versi & Git](https://sharpskill.dev/id/technologies/devops/pertanyaan-wawancara/version-control-git.md): 20 pertanyaan, Junior - [Dasar-dasar Linux](https://sharpskill.dev/id/technologies/devops/pertanyaan-wawancara/linux-fundamentals.md): 22 pertanyaan, Junior - [Shell Scripting & Bash](https://sharpskill.dev/id/technologies/devops/pertanyaan-wawancara/shell-scripting-bash.md): 20 pertanyaan, Mid-Level - [Dasar-Dasar Networking](https://sharpskill.dev/id/technologies/devops/pertanyaan-wawancara/networking-basics.md): 22 pertanyaan, Junior - [Dasar-Dasar Docker](https://sharpskill.dev/id/technologies/devops/pertanyaan-wawancara/docker-fundamentals.md): 24 pertanyaan, Junior - [Dasar-Dasar CI/CD](https://sharpskill.dev/id/technologies/devops/pertanyaan-wawancara/ci-cd-fundamentals.md): 18 pertanyaan, Junior - [GitHub Actions](https://sharpskill.dev/id/technologies/devops/pertanyaan-wawancara/github-actions.md): 22 pertanyaan, Mid-Level - [GitLab CI/CD](https://sharpskill.dev/id/technologies/devops/pertanyaan-wawancara/gitlab-ci.md): 22 pertanyaan, Mid-Level - [Jenkins](https://sharpskill.dev/id/technologies/devops/pertanyaan-wawancara/jenkins.md): 22 pertanyaan, Mid-Level - [Dasar-dasar Kubernetes](https://sharpskill.dev/id/technologies/devops/pertanyaan-wawancara/kubernetes-basics.md): 26 pertanyaan, Mid-Level - [Networking Kubernetes](https://sharpskill.dev/id/technologies/devops/pertanyaan-wawancara/kubernetes-networking.md): 24 pertanyaan, Mid-Level - [Kubernetes Lanjutan](https://sharpskill.dev/id/technologies/devops/pertanyaan-wawancara/kubernetes-advanced.md): 24 pertanyaan, Mid-Level - [Ingress & API Gateway](https://sharpskill.dev/id/technologies/devops/pertanyaan-wawancara/ingress-api-gateway.md): 20 pertanyaan, Mid-Level - [Dasar-dasar Terraform](https://sharpskill.dev/id/technologies/devops/pertanyaan-wawancara/terraform-basics.md): 22 pertanyaan, Mid-Level - [Terraform Lanjutan](https://sharpskill.dev/id/technologies/devops/pertanyaan-wawancara/terraform-advanced.md): 22 pertanyaan, Mid-Level - [Ansible & Configuration Management](https://sharpskill.dev/id/technologies/devops/pertanyaan-wawancara/ansible-configuration.md): 20 pertanyaan, Mid-Level - [Dasar-Dasar AWS](https://sharpskill.dev/id/technologies/devops/pertanyaan-wawancara/aws-essentials.md): 26 pertanyaan, Mid-Level - [Dasar-Dasar Azure](https://sharpskill.dev/id/technologies/devops/pertanyaan-wawancara/azure-fundamentals.md): 22 pertanyaan, Mid-Level - [Dasar-Dasar GCP](https://sharpskill.dev/id/technologies/devops/pertanyaan-wawancara/gcp-fundamentals.md): 22 pertanyaan, Mid-Level - [Monitoring & Prometheus](https://sharpskill.dev/id/technologies/devops/pertanyaan-wawancara/monitoring-prometheus.md): 22 pertanyaan, Mid-Level - [Logging & ELK Stack](https://sharpskill.dev/id/technologies/devops/pertanyaan-wawancara/logging-elk.md): 20 pertanyaan, Mid-Level - [Alerting & Incident Response](https://sharpskill.dev/id/technologies/devops/pertanyaan-wawancara/alerting-incident-response.md): 20 pertanyaan, Mid-Level - [Cloud Identity & Secrets](https://sharpskill.dev/id/technologies/devops/pertanyaan-wawancara/cloud-identity-secrets.md): 22 pertanyaan, Mid-Level - [Keamanan Pipeline CI/CD](https://sharpskill.dev/id/technologies/devops/pertanyaan-wawancara/cicd-pipeline-security.md): 20 pertanyaan, Mid-Level - [Helm & Kubernetes](https://sharpskill.dev/id/technologies/devops/pertanyaan-wawancara/helm-kubernetes.md): 20 pertanyaan, Mid-Level - [Keamanan Runtime & Cluster](https://sharpskill.dev/id/technologies/devops/pertanyaan-wawancara/runtime-cluster-security.md): 24 pertanyaan, Senior - [Container Supply Chain Security](https://sharpskill.dev/id/technologies/devops/pertanyaan-wawancara/container-supply-chain.md): 22 pertanyaan, Senior - [Service Mesh & Istio](https://sharpskill.dev/id/technologies/devops/pertanyaan-wawancara/service-mesh-istio.md): 24 pertanyaan, Senior - [GitOps & ArgoCD](https://sharpskill.dev/id/technologies/devops/pertanyaan-wawancara/gitops-argocd.md): 22 pertanyaan, Senior - [Progressive Delivery](https://sharpskill.dev/id/technologies/devops/pertanyaan-wawancara/progressive-delivery.md): 20 pertanyaan, Senior - [Observability Terdistribusi](https://sharpskill.dev/id/technologies/devops/pertanyaan-wawancara/observability-distributed.md): 22 pertanyaan, Senior - [Disaster Recovery & Backup](https://sharpskill.dev/id/technologies/devops/pertanyaan-wawancara/disaster-recovery.md): 20 pertanyaan, Senior - [Optimasi Performa](https://sharpskill.dev/id/technologies/devops/pertanyaan-wawancara/performance-optimization.md): 22 pertanyaan, Senior - [Prinsip SRE](https://sharpskill.dev/id/technologies/devops/pertanyaan-wawancara/sre-principles.md): 24 pertanyaan, Senior - [Chaos Engineering](https://sharpskill.dev/id/technologies/devops/pertanyaan-wawancara/chaos-engineering.md): 20 pertanyaan, Senior - [Platform Engineering](https://sharpskill.dev/id/technologies/devops/pertanyaan-wawancara/platform-engineering.md): 22 pertanyaan, Senior --- Source: SharpSkill (https://sharpskill.dev), tech interview preparation for your real stack. 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