March 25, 2023

Top AWS Mainframe Modernization Interview Questions and Answers



For transferring and modernising mainframe and legacy workloads, AWS Mainframe Modernization offers an elastic mainframe service and a collection of developer tools. System integrators can aid in the discovery of your mainframe and legacy workloads, the evaluation and analysis of migration readiness, and the planning of migration and modernisation projects by using Mainframe Modernization. Once planning is complete, you can replatform or rework your mainframe and legacy workloads, test workload functionality, and move your data to Amazon using the Mainframe Modernization built-in development tools.


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Ques. 1): What is the purpose of AWS Mainframe Modernization?

Answer:

The controlled runtime environment for Mainframe Modernization makes it easier to manage the production environment for Mainframe and Legacy workloads. Replatforming and automatic refactoring are two transformation methods that Mainframe Modernization offers. Choose the appropriate migration strategy depending on your company's goals.

 

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Ques. 2): Will running my legacy workload on Amazon with AWS Mainframe Modernization help re-platform it?

Answer:

Yes. One of the migration strategies that Mainframe Modernization enables is replatforming. The Mainframe Modernization developer tool recompiles the old application, which is then deployed into the Mainframe Modernization managed runtime as an EC2-based runtime environment.

 

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Ques. 3): Which migration styles are supported by Amazon Mainframe Modernization?

Answer:

Two primary migration patterns are supported by Mainframe Modernization: 1) Automated refactoring to convert mainframe COBOL code to Java, and 2) replatforming via middleware emulation to a runtime environment that is mainframe-compatible. Replatforming aims to minimise code modifications in order to shorten migration times and lower risk. Based on business goals, you can employ both patterns on a single project to facilitate service deconstruction towards producing macroservices or microservices.


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Ques. 4): Can I alter how the modernisation works?

Answer:

Yes. You can restyle or switch to a new user interface (UI) that adheres to your company standards, colours, and other regulations depending on the pattern. The appearance of the refactored code can also be modified to adhere to different company IT policies and requirements.


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Ques. 5): Is AWS Mainframe Modernization something I should use?

Answer:

System integrators can hasten the migration of your mainframe and legacy workloads by using Mainframe Modernization. The labour of migration, such as the recompilation, transformation, and testing of mainframe code, is automated by mainframe modernization toolchains.

Moreover, replatformed workloads can be deployed on the Mainframe Modernization mainframe-compatible runtime environment to take advantage of managed runtime that is highly available and cost-effective pay-as-you-go pricing with no up-front expenses. The most recent operational, security, and architectural best practises are used to generate workloads regardless of the transformation pattern you select.


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Ques. 6): Where can I find AWS Mainframe Migration?

Answer:

In the US East (North Virginia), US West (Oregon), Asia Pacific (Sydney), Canada Central, EU (Frankfurt), EU (Ireland), and South America (Sao Paulo), Amazon Mainframe Modernization is currently accessible.

 

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Ques. 7): Which target database systems is my updated programme capable of using?

Answer:

Using Amazon Aurora with PostgreSQL compatibility is what we often advise. You can use a variety of AWS databases, such as Amazon RDS for PostgreSQL or self-managed databases running on Amazon EC2, depending on the migration strategy and legacy application.


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Ques. 8): How can I get Amazon Mainframe Modernization started?

Answer:

Go to the AWS Management Console under your AWS account and click the Mainframe Modernization link to begin.


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Ques. 9): How do other AWS services interact with AWS Mainframe Modernization?

Answer:

Programs that have been replatformed or refactored using Mainframe Modernization can benefit from a variety of Amazon services, including computing, database, messaging, security, storage, and more. As recommended by AWS best practises, Mainframe Modernization specifically interfaces with Amazon CloudWatch alerts and other operational services. Additionally, you may use Amazon CloudFormation templates or AWS Cloud Development Kit (CDK) scripts to deploy migrated apps, and you can use AWS Identity and Access Management (IAM) to manage users and role-based access to AWS resources securely. To manage multi-account refactor environments with streamlined networking and routing between the mainframe and new services, Mainframe Modernization can be used in conjunction with AWS Migration Hub Refactor Spaces.

 

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Ques. 10): What kinds of legacy workloads can be supported by Amazon Mainframe Modernization?

Answer:

For a variety of legacy systems, including COBOL, Programming Language One (PL/1), Job Control Language (JCL), Customer Information Control System (CICS), and many others, Mainframe Modernization provides replatforming and refactoring support.

 

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Ques. 11): Can I use AWS Mainframe Modernization with any other automatic refactoring tools?

Answer:

No, only the Blu Age automatic refactoring tools are supported by Mainframe Modernization at this time.

 

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Ques. 12): Can I restructure an application that I've already replatformed using Amazon Mainframe Modernization?

Answer:

Yes. You can choose to replatform onto AWS first if you need to move swiftly. Refactoring the replatformed application will allow you to continue your modernization journey after this is finished.

 

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Ques. 13): Is AWS Mainframe Modernization compatible with other middleware emulators?

Answer:

The only middleware emulation that Mainframe Modernization presently supports is the one made by Micro Focus.

 

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