Top Technical Interviews Questions and Answers for AWS Cloud, Java, Oracle: Top 20 Red Hat OpenShift Service on AWS (ROSA) Interview Questions and Answers

In order to deliver fully managed Red Hat OpenShift, Red Hat operates the Red Hat OpenShift Service on AWS (ROSA) service, which is jointly maintained by Amazon. Via Amazon, ROSA offers pay-as-you-go (hourly and yearly) invoicing on a single invoice, with the choice to get assistance from Red Hat or AWS. When deploying applications with dependencies on AWS cloud-native services, enterprise developers who are accustomed to doing so with OpenShift on-premises will be able to do so more quickly in the AWS public cloud. They can also take advantage of AWS Security Token Service (STS) support for a more seamless deployment process.

Ques. 1): The Red Hat OpenShift Service on AWS: Why Should I Use It?

Answer:

Red Hat OpenShift clusters on Amazon are easy to set up and manage thanks to Red Hat OpenShift Service on AWS. For cluster setup, scalability, and a single payment model with support for hourly or annual, on-demand pricing, you may take advantage of an integrated experience. In order to allow cluster building and a fully integrated offering, ROSA offers a connection with Amazon APIs. In order to allow you to concentrate on reworking the data model rather than the entire application stack, ROSA offers a familiar API surface for applications that have previously been containerized on premises using OpenShift Container Platform.

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Ques. 2): What benefits do I get from Red Hat OpenShift Service on AWS?

Answer:

By offering an on-ramp for cloud migration and the assurance to select AWS based on a combined management and support strategy by Amazon and Red Hat, it enables you to select AWS as the cloud provider for your on-premises OpenShift containerized applications. With a native service that offers the same orchestrator, API surface, and deployment tooling that you are already using, you can quicken datacenter departures. Also, OpenShift licence comes with an hourly pricing structure so you can fully benefit from the economical advantages of a cloud-native solution.

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Ques. 3): How is Red Hat OpenShift Container Platform different from Red Hat OpenShift Service on AWS?

Answer:

The Red Hat OpenShift Container Platform is delivered by Red Hat OpenShift Service on Amazon and is fully managed, scalable, and secure. The public cloud of Amazon Web Services serves as the home for Red Hat OpenShift Service on AWS, which is jointly managed by Red Hat and AWS. It's possible that some choices and administrative alternatives won't be available to you. Your own infrastructure may be used to host and administer the software if you have a Red Hat OpenShift Container Platform subscription.

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Ques. 4): Do other Amazon services and Red Hat OpenShift Service on AWS connect with one another?

Answer:

Yes. A variety of Amazon computing, storage, database, analytics, machine learning, networking, mobile, and different application services will connect with Red Hat OpenShift Service on AWS, allowing users to take advantage of the broad spectrum of AWS services that scale on-demand throughout the world. Via the same administration interface, these AWS native services will be immediately available for speedy service deployment and scalability.

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Ques. 5): Can I blend high CPU, high IOPS, and GPU-capable instances in the worker nodes' instance types?

Answer:

Yes. For a list of worker node instance types that you may utilise with a Red Hat OpenShift Service on Amazon cluster, visit the Red Hat OpenShift Service on AWS service definition page. Instances based on GPUs are not currently supported.

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Ques. 6): What issues is Red Hat OpenShift Service on AWS designed to address?

Answer:

Making Amazon an affordable option requires easy self-service features for setup, cluster construction, scale-up, and deployment, as well as an integrated payment and licencing model with support for hourly, on-demand consumption. If you want to move your application to the cloud, you presumably want the quickest and most straightforward way to do so, as well as the assurance that dependencies will be supported. In order to enable deployment and management operations, you need a service that offers both a managed experience for undifferentiated activities and customizable, self-service capability. You must rethink your apps to take advantage of the scalability of AWS-managed container services and a cloud-native architecture if you are moving from OpenShift on premises.

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Ques. 7): What is included with Red Hat OpenShift Service on AWS?

Answer:

A fully managed control plane and compute nodes are included with each Red Hat OpenShift Service on Amazon cluster. Red Hat SRE handles setup, administration, upkeep, and updates with combined Red Hat and Amazon support. There are other cluster services available, like logging, metrics, and monitoring.

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Ques. 8): How can I buy Red Hat OpenShift Service on Amazon Web Services?

Answer:

Clients can independently purchase the service through the AWS interface. Customers will simply set up OpenShift clusters and be charged depending on their use, much as with other Amazon services like EC2. Also, clients can speak with their Red Hat or Amazon salesperson.

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Ques. 9): Can I expand my cluster with RHEL workers?

Answer:

No. Red Hat OpenShift Service on Amazon only supports Red Hat Enterprise Linux CoreOS (RHCOS) workers in order to preserve the ability to offer seamless upgrades to your clusters.

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Ques. 10): Is this the same as a listed solution on the Marketplace?

Answer:

No, it's a joint service that bills and metres customers via Marketplace.

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Ques. 11): How are Red Hat OpenShift Service on AWS and Red Hat OpenShift Dedicated distinct from one another?

Answer:

The OpenShift Container Platform is entirely managed by Red Hat and Amazon through the Red Hat OpenShift Service on AWS, which is installed and operated on AWS.

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Ques. 12): What rights do we have in relation to Red Hat OpenShift Container Platform? Cluster-admin? Project-admin?

Answer:

For the clusters you construct, you are given Cluster Admin permissions.

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Ques. 13): How is this beneficial to other software vendors?

Answer:

Partners have the opportunity to assist clients that demand, for instance, an integrated service and managed offering, an end-to-end, out-of-the-box solution, or industry-specific requirements by focusing on specialty requirements and creating opinionated experiences.

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Ques. 14): Does Red Hat OpenShift Service on Amazon have any components that are shared with other clients? Or is everything autonomous?

Answer:

A specific client has exclusive access to each Red Hat OpenShift Service on AWS cluster, which is housed within the subscribed space of the customer.

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Ques. 15): Will Red Hat or AWS send me an invoice?

Answer:

You will get a single billing from AWS.