Book Image

AWS Certified SysOps Administrator ??? Associate Guide

By : Marko Sluga
Book Image

AWS Certified SysOps Administrator ??? Associate Guide

By: Marko Sluga

Overview of this book

AWS certifications are becoming one of the must have certifications for any IT professional working on an AWS Cloud platform. This book will act as your one stop preparation guide to validate your technical expertise in deployment, management, and operations on the AWS platform. Along with exam specific content this book will also deep dive into real world scenarios and hands-on instructions. This book will revolve around concepts like teaching you to deploy, manage, and operate scalable, highly available, and fault tolerant systems on AWS. You will also learn to migrate an existing on-premises application to AWS. You get hands-on experience in selecting the appropriate AWS service based on compute, data, or security requirements. This book will also get you well versed with estimating AWS usage costs and identifying operational cost control mechanisms. By the end of this book, you will be all prepared to implement and manage resources efficiently on the AWS cloud along with confidently passing the AWS Certified SysOps Administrator – Associate exam.
Table of Contents (26 chapters)

Chapter 17 – Overview of AWS Lambda

  1. Amazon Linux.
  2. It natively supports Java, Go, PowerShell, Node.js, C#, Python, Ruby, and any other through the runtime API.
  3. Any resource where the Lambda can record its response, such as S3 or DynamoDB.
  4. Helps with quickly designing invocation triggers, layers, and connecting downstream resources.
  5. False: Lambda doesn't have a public endpoint.
  6. Provide the appropriate permissions for each bucket in the execution role.
  7. Kinesis can't invoke as Lambda works in a pull manner with Kinesis we need to add the permission to access the Kinesis stream to the Lambda execution role.
  8. Implement an API gateway that will proxy the requests to the Lambda function as the Lambda service isn't publicly accessible.