Pre-Interview Cheatsheet
Cloud Engineer / Solutions Architect — Confidence Cheatsheet
A printable, focused refresher tuned for Cloud Engineer / Solutions Architect. Open the sections that matter to you and walk in confident.
Tuned for Cloud Engineer / Solutions Architect · Technology & AI > CloudRefresh Right Now The 60-second mental warm-up before you start.
- Know compute, storage, networking, IAM, monitoring, security, cost control and reliability in cloud environments.
- Understand IaaS/PaaS/SaaS, regions/zones, autoscaling, load balancing, containers and managed services.
- Refresh architecture pillars: reliability, security, performance, cost optimization and operational excellence.
- Strong cloud answers discuss tradeoffs between managed services, control, cost and complexity.
- Be ready to design a simple scalable web application.
Core Vocabulary Terms interviewers expect you to use precisely.
- IAM: identity and access management.
- VPC/VNet: private network boundary in cloud.
- Autoscaling: adding/removing capacity based on demand.
- Load balancer: distributes traffic across instances/services.
- Serverless: managed execution without managing servers.
Formulas & Frameworks The mental models that organise your answers.
- Architecture answer: requirements, traffic, data, security, resilience, cost, operations.
- Reliability: redundancy, backups, monitoring, failover, recovery objectives.
- Security: identity, network, encryption, logging, least privilege.
- Cost: right-sizing, autoscaling, reserved capacity, storage tiers.
Likely Interview Prompts Questions you should be ready for.
- Design a cloud-hosted web app.
- How do you secure cloud resources?
- What is autoscaling?
- How do you control cloud costs?
- How do you design for high availability?
Red Flags To Avoid Common answers that lose interviews.
- Using cloud buzzwords without architecture.
- Overprovisioning.
- Publicly exposing resources.
- No backup/recovery plan.
- Ignoring monitoring and cost.
What Sets You Apart Signals that move you from competent to memorable.
- Designs with business requirements and failure modes.
- Uses managed services appropriately.
- Understands identity and network security.
- Can explain cost/performance tradeoffs.
30-Second Confidence Reset Anchor sentence to read just before you walk in.
Cloud architecture is controlled tradeoff: secure identity, resilient design, monitored operations, right cost and simple managed services where possible.