Cloud Questions 16 total
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1What skills are needed to become a DevOps engineer in 2025?
DevOps engineer is one of the highest-paying roles in tech. Here's the complete skill map:
**Foundation (must-have):**
- Linux command line...
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2How does Docker networking work?
Docker networking allows containers to communicate with each other and the outside world.
**Default network types:**
1. **bridge** (defaul...
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3What is Kubernetes and why is it used?
Kubernetes (K8s) is an open-source container orchestration platform that automates deployment, scaling, and management of containerised appl...
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4What is CI/CD and how does it work?
CI/CD stands for Continuous Integration and Continuous Delivery/Deployment.
**Continuous Integration (CI):**
- Developers push code frequen...
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5What is a firewall and how does it work?
A firewall is a network security system that monitors and controls incoming/outgoing traffic based on predefined rules.
**Types of firewall...
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6What is Azure DevOps and how is it used?
Azure DevOps is Microsoft's all-in-one DevOps platform covering the full software development lifecycle.
**5 main services:**
1. **Azure Bo...
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7What is Azure Active Directory (Azure AD / Entra ID)?
Azure Active Directory (now called Microsoft Entra ID) is Microsoft's cloud-based identity and access management service.
**Key features:**...
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8What is the difference between Azure VM and Azure App Service?
**Azure Virtual Machine (VM):**
- Full control over OS, software, configuration
- You manage OS updates, security patches
- Best for: legacy...
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9How to pass the AWS Solutions Architect Associate exam?
The AWS SAA-C03 exam has 65 questions in 130 minutes. Here's the proven study plan:
**6-Week Plan:**
Week 1-2: Core services
- EC2 (instan...
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10What is the difference between AWS RDS and DynamoDB?
**RDS (Relational Database Service):**
- Managed SQL databases: MySQL, PostgreSQL, Oracle, SQL Server
- Structured data with fixed schema
- ...
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11What is AWS IAM and why is it important?
IAM (Identity and Access Management) controls **who can do what** in your AWS account.
Key concepts:
- **Users** — individual people with...
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12How does AWS Auto Scaling work?
AWS Auto Scaling automatically adjusts the number of EC2 instances based on demand.
**How it works:**
1. You define a **Launch Template** (...
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13What is the difference between AWS S3 and EBS?
**Amazon S3 (Simple Storage Service):**
- Object storage — stores files, images, backups, static websites
- Accessible from anywhere over ...
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14What are the core AWS services every developer should know?
Essential AWS services for developers:
**Compute:**
- EC2 — virtual servers
- Lambda — serverless functions
- ECS/EKS — container orc...
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15What is Docker and why do developers use it?
Docker is a containerisation platform that packages your application and all its dependencies into a portable container.
**Why use it:**
- ...
