Amazon Web Services Updated CLF-C02 Exam Questions and Answers by noelle

Understanding Availability Zones (AZs): An Availability Zone is a distinct location within an AWS region that is engineered to be isolated from failures in other AZs.

Characteristics of Availability Zones:

Data Centers: Each AZ consists of one or more discrete data centers with redundant power, networking, and connectivity.

High Availability: AZs are designed for high availability, providing low-latency network connections to other zones in the same region.

Fault Isolation: They provide fault isolation and are used to deploy applications and services to ensure high availability and reliability.

Use Cases for Availability Zones:

Multi-AZ Deployments: For services like RDS, deploying in multiple AZs ensures fault tolerance.

Disaster Recovery: Setting up resources in multiple AZs helps in quick recovery from failures.

Load Balancing: Distributing traffic across AZs using Elastic Load Balancing ensures optimal performance and availability.

AWS Global Infrastructure

Understanding AWS Regions and Availability Zones

AWS Direct Connect is a service that establishes a dedicated network connection between your on-premises network and one or more AWS Regions. AWS Direct Connect can be used to create a private connection between an on-premises workload and an AWS Cloud workload, bypassing the public internet and reducing network costs, latency, and bandwidth issues. AWS Direct Connect can also provide increased security and reliability for your hybrid cloud applications and data transfers. References:

AWS Direct Connect

What is AWS Direct Connect?

AWS Direct Connect User Guide

AWS Application Migration Service (AWS MGN) is the primary service for migrating Amazon EC2 instances and on-premises servers to AWS, and it supports migration from one AWS Region to another. It automates the process of replicating and converting the source servers (including their applications, configurations, and data) to run natively on AWS. AWS Database Migration Service (DMS) is for migrating databases, AWS DataSync is for data transfer, and AWS Migration Hub provides a single location to track migration tasks across multiple AWS services but does not perform the migration itself.

TheAWS Cloud Development Kit (AWS CDK)currently supports multiple programming languages, includingPythonandTypeScript. These languages allow developers to define cloud infrastructure using familiar programming constructs. Python and TypeScript are among the first languages supported by AWS CDK, which also supports Java, C#, and JavaScript. This enables developers to use their existing programming skills and tools to define cloud infrastructure in code.

B. Swift: Incorrect, as Swift is not currently supported by AWS CDK.

D. Ruby: Incorrect, as Ruby is not currently supported by AWS CDK.

E. PHP: Incorrect, as PHP is not currently supported by AWS CDK.

AWS Cloud References:

AWS Cloud Development Kit (AWS CDK)