Here are AWS interview questions and answers for fresher as well as experienced candidates to get their dream job.
AWS stands for Amazon Web Service; it is a collection of remote computing services also known as a cloud computing platform. This new realm of cloud computing is also known as IaaS or Infrastructure as a Service.
Q Can you brief me about the Kubernetes controller manager?
Multiple controller processes run on the master node but are compiled together to run as a single process: the Kubernetes Controller Manager. So, Controller Manager is a daemon that embeds controllers and does namespace creation and garbage collection. It owns the responsibility and communicates with the API server to manage the end-points.
So, the different types of controller manager running on the master node are :
Q1 What is Kubectl?
Kubectl is the platform using which you can pass commands to the cluster. So, it basically provides the CLI to run commands against the Kubernetes cluster with various ways to create and manage the Kubernetes component.
Q What is the need for Container Orchestration?
Consider you have 5-6 microservices for a single application performing various tasks, and all these microservices are put inside containers. Now, to make sure that these containers communicate with each other we need container orchestration.
Fig 14: Best Security Measures – Kubernetes Interview Questions
Multiple Kubernetes clusters can be managed as a single cluster with the help of federated clusters. So, you can create multiple Kubernetes clusters within a data center/cloud and use federation to control/manage them all at one place.
The federated clusters can achieve this by doing the following two things. Refer to the below diagram.
Q1 What are the best security measures that you can take while using Kubernetes?
The following are the best security measures that you can follow while using Kubernetes:
Basic Kubernetes Interview Questions
This section of questions will consist of all those basic questions that you need to know related to the working of Kubernetes.
15) While connecting to your instance what are the possible connection issues one might face?
The possible connection errors one might encounter while connecting instances are
2) Mention what the key components of AWS are?
The key components of AWS are
S3 stands for Simple Storage Service. You can use the S3 interface to store and retrieve any amount of data, at any time and from anywhere on the web. For S3, the payment model is “pay as you go.”
AMI stands for Amazon Machine . It’s a template that provides the information (an operating system, an application server, and applications) required to launch an instance, which is a copy of the AMI running as a virtual server in the cloud. You can launch instances from as many different AMIs as you need.