IBM Cloud Interview Questions for freshers/IBM Cloud Interview Questions and Answers for Freshers & Experienced

Tell Me How Does Cloud Architecture Overcome The Difficulties Faced By Traditional Architecture?

Cloud structure provide big pool of dynamic resources that can be accessed any time each time there may be a demand, which is not being given with the aid of the conventional architecture. In conventional structure it isn't always possible to dynamically partner a system with the rising call for of infrastructure and the services. Cloud architecture affords scalable houses to satisfy the high demand of infrastructure and provide on-call for get entry to to the consumer.

What Are The Three Differences That Separate Out Cloud Architecture From The Tradition One?

The 3 variations that make cloud architecture in demand are:Cloud structure gives the hardware requirement in step with the call for. It can run the methods when there may be a demand for it.
Cloud structure is able to scaling the resources on demand. As, the call for rises it could offer infrastructure and the services to the customers.
Cloud architecture can manipulate and take care of dynamic workloads without failure. It can recover a system from failure and usually preserve the burden to a particular device to minimum.

What Are The Advantages Of Cloud Architecture?

Cloud structure uses simple APIs to offer effortlessly on hand offerings to the person thru the net medium.
It provides scale on call for characteristic to boom the commercial strength.
It gives the transparency among the machines so that users don't must fear approximately their records. Users can simply carry out the functionality with out even understanding the complex logics carried out in cloud architecture.
It offers highest optimization and usage in the cloud platform.

What Is The Business Benefits Involved In Cloud Architecture?

1. Zero infrastructure investment:Cloud architecture offer consumer to construct large scale machine with complete hardware, machines, routers, backup and other components. So, it reduces the startup fee of the enterprise.2. Just-in-time Infrastructure: It may be very critical to scale the infrastructure because the demand rises. This may be finished by using taking cloud architecture and developing the utility in the cloud with dynamic potential control.Three. More green resource utilization: Cloud structure gives customers to use their hardware and useful resource greater successfully and utilize it in a higher way. This can be achieved simplest through applications request and relinquish sources only whilst it's far wished (on-call for).

Explain How Does The Quality Of Service Is Being Maintained In The Cloud Architecture?

Cloud architecture in particular specializes in satisfactory of service. It is a layer that manages and secures the transmission of the resources that is being obtained through on-call for get right of entry to. Quality of provider is being maintained such that it increases the overall performance, automated control, and aid services. Cloud architecture offers clean to use methods and right methods to make sure the first-class of carrier. It is represented with the aid of a commonplace cloud control platform that can provide many cloud services based on the equal basis.

Tell Me What Are The Different Roles Defined By Cloud Architecture?

Cloud structure defines three roles:Cloud service consumer: it's miles used to provide unique services to the customer on call for.Cloud provider issuer: here issuer gives the services to fulfill the necessities of the user with the aid of monitoring the traffic and needs which are coming.Cloud provider Creator: right here creator is used to create the services and provide the infrastructure to the user to apply and provide the get admission to to the sources.The roles that are being described may be completed through one person or it can be finished with the aid of many human beings together. There can be greater roles described relying at the cloud structure and the complexity with which it's going to scale.

Explain What Are The Major Building Blocks Of Cloud Architecture?

The predominant building blocks of cloud structure are:Reference structure: it is used for documentation, conversation, designing and defining various styles of fashions
Technical Architecture: defines the based stack, shape the cloud services and its components, display the connection that exist among special additives, control and safety
Deployment Operation Architecture: it is used to function and monitor the strategies and the offerings.

Explain Business Process As A Service?

it affords any enterprise method this is brought via cloud provider model the usage of the net and accesses the resources through the net portal.

Tell Me What Are The Different Phases Involves In Cloud Architecture?

There are 4 stages that essentially receives concerned inside the cloud structure:1. Launch segment: it launches the basic offerings and makes the device prepared for verbal exchange and for utility building2. Monitor phase: it video display units the offerings that is being released after which manages them so that on call for the consumer might be capable of get what he wants.Three. Shutdown segment: it shutdown the offerings that are not required first and after all the offerings gets shutdown, and then it closes the system services.4. Cleanup segment: it easy up the not noted processes and services this is being either damaged or failed to get shutdown efficaciously.

Explain What Is The Relationship Between Soa And Cloud Architecture?

Service oriented architecture (SOA) is an architectural style that helps carrier oriented technique this is being brought within the cloud structure as a obligatory element. Cloud architecture help the usage of on-demand get right of entry to to assets and it gives masses of other facilities which can be being discovered in SOA as nicely. SOA makes those necessities non-compulsory to use. But, to get the total capability and greater overall performance based performance there is a requirement for the mixture of SOA and cloud structure.

What Are The Different Cloud Service Models In Cloud Architecture?

There are four sorts of cloud carrier fashions to be had in cloud structure:1. Infrastructure as a service:It offers the patron with hardware, garage, network and other assets on lease. Through this client can install and run software the usage of dedicated software program. This includes the operating system and the packages which can be related to it.2. Platform as a carrier: it provides the user to deploy their software program and alertness at the cloud infrastructure the usage of the tools which might be available with the operating system.Three. Software as a service: it gives the customers the capacity to run its software on the cloud infrastructure and might get right of entry to it from any customer tool the usage of any interface like internet browser.4. Business Process as a provider: it provides any commercial enterprise procedure that is added through cloud service version using the net and accesses the sources via the web portal.

What Ways Cloud Architecture Provide Automation And Performance Transparency?

To offer the performance transparency and automation there are many tools utilized by cloud structure. It lets in to control the cloud structure and screen reports. It additionally permits them to proportion the utility using the cloud architecture. Automation is the important thing aspect of cloud structure which enables to improve the degree of first-class.

What Is Saas In Cloud Computing Architecture?

The software program-as-a-service (SaaS) service-version entails the cloud issuer putting in and retaining software program in the cloud and customers strolling the software from their cloud clients over the Internet (or Intranet). The customers' customer machines require no installation of any application-particular software - cloud applications run at the server (in the cloud). SaaS is scalable, and machine management may also load the packages on numerous servers. In the beyond, every purchaser might purchase and cargo their very own reproduction of the application to every of their own servers, however with the SaaS the purchaser can access the utility with out putting in the software locally. SaaS usually includes a month-to-month or annual charge.

What Is Paas In Cloud Computing Architecture?

Platform as a provider is cloud computing carrier which gives the users with utility structures and databases as a service. This is equal to middle-ware in the traditional (non-cloud computing) transport of application structures and databases.

How good a resource is IBM Developer Works for learning about Bluemix?

Most of the articles and tutorials on IBM Developer works are written by experts in those specific fields. Authentic; easy to use and understand; code samples that get you started with your pilots in no time; Q&A forums – these are highlights of IBM developer works. Has a set of dedicated pages for Bluemix which can be explored for learning and using Bluemix.

How has the 30 day free Bluemix trial offer benefited you?

It has left me wanting for more but yes, it was beneficial. It helped me get my hands on the latest technologies which otherwise would have taken months together to get the basic setup working at zero cost.

What is Lightweight Directory Access Protocol (LDAP)?

An open protocol that uses TCP/IP to provide access to directories that support an X.500 model and that does not incur the resource requirements of the more complex X.500 Directory Access Protocol (DAP). For example, LDAP can be used to locate people, organizations, and other resources in an Internet or intranet directory.

What is heavy API call?

A client operation that writes, deletes, or inserts data. Heavy API calls consume more resources than light API calls because they are affecting the data.

What is certificate signing request (CSR)?

An electronic message that an organization sends to a certificate authority (CA) to obtain a certificate. The request includes a public key and is signed with a private key; the CA returns the certificate after signing with its own private key.

What is blue-green deployment?

A deployment technique that enables continuous delivery and minimizes downtime by running two nearly identical production environments called Blue and Green. While one of the environments (for example, Blue) is the live production environment, the other (for example, Green) can be used for final testing and deployment. After the application is deployed in Green, Green becomes the production environment and Blue becomes idle.

What is BLU Acceleration?

A collection of IBM DB2 technologies designed to work primarily with read-mostly business intelligence query processing. BLU Acceleration consists of four major database design advances: dynamic in-memory columnar processing, actionable compression, parallel vector processing, and data skipping.

What is anti-affinity?

Two or more container group instances that run on different network nodes to ensure higher availability for an app.

Can you describe CRN format?

A CRN is formed from a concatenation of “segments” that hierarchically identify the resource, its location, and the service it belongs to. The segment delimiter is set to ‘:’ (i.e. the colon character). All CRNs begin with the segment identifier ‘crn’.
CRN Format – The base canonical format of a CRN is:

crn:version:cname:ctype:service-name:location:scope:service-instance:resource-type:resource

What are Cloud Resource Names (CRNs)?

Cloud Resource Names (CRNs) uniquely identify IBM Cloud resources. A CRN is used to specify a resource in a way that is unambiguous and guaranteed to be globally unique, such as in IBM Cloud Identity and Access Management (IAM) policies and services listed in the cloud catalog.

What are the features of IBM Cloud Private – Enterprise?

Built on a Kubernetes and container-based platform
Includes core operational services for logging, monitoring, security and more
Includes a content catalog of open source and IBM software built for Kubernetes
Provides 40+ community services including IBM Db2®, Postgres, Mongo and ++
Includes IBM WebSphere Liberty, IBM Microservices Builder, and IBM SDK for Node.js
Includes IBM Cloud Automation Manager for multi-cloud management
Includes additional enterprise software such as IBM WAS ND, IBM MQ Advanced and IBM API Connect™
Optionally includes IBM UrbanCode® Deploy and IBM Db2
Cloud Foundry is available as an optional add-on
Other services can be added à la carte, fee-based or bring your own license

What are the features of IBM Cloud Private – Cloud Native?

Built on a Kubernetes and container-based platform
Includes core operational services for logging, monitoring, security and more
Includes a content catalog of open source and IBM software built for Kubernetes
Provides 40+ community services including developer editions of IBM software, Postgres, Mongo and ++
Includes IBM WebSphere Liberty, IBM Microservices Builder, and IBM SDK for Node.js
Includes IBM Cloud Automation Manager for multi-cloud management
Cloud Foundry is available as an optional add-on
Other services can be added à la carte, fee-based or bring your own license

What are the features of IBM Cloud Private – Community Edition?

Built on a Kubernetes-based platform
Includes core operational services for logging, monitoring, security and more
Includes a content catalog of open source and IBM software built for Kubernetes
Available as a free download
Limited to one master node and is for non-production use

What are the different versions of IBM Cloud Private?

The benefits of the public cloud from the safety of your firewall-protected data center.

1) IBM Cloud Private – Community Edition

2) IBM Cloud Private – Cloud Native

3) IBM Cloud Private – Enterprise

What is Cloud Integration API?

A Cloud Integration API provides secured access to the systems of record that reside behind a firewall through web APIs. When you create the Cloud Integration API, you choose the resource that you want to access through the web API, specify the operations that are permitted, and include SDKs and samples to access the API.

How can people learn more about Bluemix?

The best way to learn more about Bluemix is by creating an account on Bluemix and getting your hands dirty. Doesn't matter whether you succeed or, not in your first attempt! As a registered Bluemix user one can browse the catalog and deploy a couple of boiler plate applications. These boiler plates are working apps that can be enhanced. Once you get the hang of it, the curiosity to learn more will help you explore more services and tools. Like a pack of potato chips, Bluemix is an addictive environment and once you get your hands to it, don't worry about finishing the pack... it is taken care of.

How has the 30 day free Bluemix trial offer benefited you?

It has left me wanting for more but yes, it was beneficial. It helped me get my hands on the latest technologies which otherwise would have taken months together to get the basic setup working at zero cost.

How sound a coding knowledge does a developer need when using Bluemix?

Bluemix is not a substitute to programming. But bluemix does provide a platform for coders’ that makes life easier and creating and, deploying apps a child’s play with its intuitive user interface and services that can be integrated into the App without additional burden.

How has the 30 day free Bluemix trial offer benefited you?

It has left me wanting for more but yes, it was beneficial. It helped me get my hands on the latest technologies which otherwise would have taken months together to get the basic setup working at zero cost.

How sound a coding knowledge does a developer need when using Bluemix?

Bluemix is not a substitute to programming. But bluemix does provide a platform for coders’ that makes life easier and creating and, deploying apps a child’s play with its intuitive user interface and services that can be integrated into the App without additional burden.

What is IBM Cloud resilience?

IBM Cloud is designed to host scalable resilient apps and application artifacts that can scale to meet your needs, remain highly available, and be quick to recover from problems. IBM Cloud separates components that track the state of interactions (stateful) from components that do not (stateless). This separation allows IBM Cloud to move apps flexibly as needed to achieve scalability and resilience.

What are Regions in IBM Cloud?

An IBM Cloud Foundry Service region is a defined geographical territory that you can deploy your apps to. You can create apps and service instances in different regions with the same IBM Cloud infrastructure for application management and the same usage details view for billing.

What advantages does a developer gain by using IBM's cloud computing platform as opposed to other options available?

Rather than speaking about the drawbacks of other Cloud platforms, let me speak about the advantages of selecting Bluemix, the IBM Cloud platform.
• First and foremost, IBM Cloud uses Open Standards like Cloud Foundry, TOSKA, OSLC etc. Open standards are the one where the specifications are made public. The advantages of Open standards include application independence, platform independence, long-term access, architectural integrity, interoperability, vendor neutrality, flexibility among others.
• A continuous delivery platform in the form of DevOps considerably reduces the downtime of redeploying an application. Developers can concentrate on coding and the rest is mostly taken care of.
• With automatic workload redeployment to other underlying virtual machines, Bluemix ensures continuous availability of Applications and that too transparently. User can start/stop application and define the memory for each application while the rest is taken care by Bluemix.
• With the freedom to use tools like Cloud Foundary command line (CF), Eclipse and Web IDE (provided by Bluemix), developers can choose which works best for them
• Services provided by other companies can be integrated into applications running on Bluemix thereby making them both providers and users of services
• Integration to well-known source control systems like Git, GitHub and Jazz makes it easier to manage and maintain source code.

How does Cloud Foundry work with IBM Cloud?

When you deploy an app to Cloud Foundry, you must configure IBM Cloud with enough information to support the app.

For a mobile app, IBM Cloud contains an artifact that represents the mobile app’s back end, such as the services that the mobile app uses to communicate with a server.

For a web app, you must ensure that information about the runtime and framework is communicated to IBM Cloud, so that IBM Cloud can set up the appropriate execution environment to run the app.

Each execution environment, including both mobile and web, is isolated from the execution environment of other apps. The execution environments are isolated even though these apps are on the same physical machine.

What is IBM Product Security Incident Response Team (PSIRT)?

The IBM Product Security Incident Response Team (PSIRT) is a global team that manages the receipt, investigation and internal coordination of security vulnerability information related to IBM offerings. IBM PSIRT is a focal point for security researchers, industry groups, government organizations, and vendors to report potential IBM product security vulnerabilities.

How does the IBM Cloud console work?

The IBM Cloud console is a user interface that helps you manage all your IBM Cloud resources. When you access the console External link icon, you can create a free account, log in, access documentation, access the catalog, view pricing information, get support, or check on the status of all the IBM Cloud components.

What is IBM Cloud Identity and Access Management (IAM)?

IBM Cloud Identity and Access Management (IAM) is the access management system for consistently managing resources across the IBM Cloud platform.

What is access management?

Access management enables you to control which users see, create, use, and manage resources in your account. To grant access, you can assign roles that allow users levels of access for completing platform management tasks and accessing account resources.

What is IBM Cloud catalog?

The IBM Cloud catalog displays your IBM Cloud resources across geographies. Resources in the catalog can include services, infrastructure, and templates. Using CLI commands you can search the catalog, view details on catalog resources, and manage the visibility of your catalog resources.

What is the IBM Cloud?

IBM Cloud (formerly Bluemix). IBM’s innovative cloud computing platform combines platform as a service (PaaS) with infrastructure as a service (IaaS) and includes a rich catalog of cloud services that can be easily integrated with PaaS and IaaS to build business applications rapidly.

What are your views about Bluemix, especially from an India Perspective?

According to the leading survey agencies (including Gartner's), IT infrastructure and operation cost can be reduced by as much as 25% by following a set of guidelines that includes virtualization, reduced IT support, reduction of power and cooling needs and more. Mitigating the risk of IT investment is achieved by provisioning of technologies as flexible contracts rather than capital investments. Cloud (either private or public) is the best way to get a contracted operating environment where the underlying infrastructure complexities are hidden. And the operating environment can scale up on-demand. It changes the essence of how business was done and is the root for growth of innovation in any company!

In the perspective of a growing nation like India, the new “trend” of cloud applies the most due to the increasing interest in online shopping. Consider a startup wishing to set up an online shopping application that does not have to be concerned about IT infrastructure and support. They would want their application to be accessible from multiple devices; their operating environment be scaled up during sales and festivals; minimal time to production and, under worst case scenario where they want to scrap the business and start something new. Providing an IBM Cloud (SAAS) such as Bluemix is like a genie that makes every wish of theirs come alive!

With IBM Bluemix Could platform, one can rapidly provision, deploy, monitor and scale dev/test or, production environments for traditional and modern workloads at the price of public cloud and isolation of a private cloud.

Which is your favorite Bluemix service and why?

Other than RapidApps which gives you a quick start with Bluemix, I am inclined towards Watson Q&A. Cognitive systems are fast shaping up and are sure to change the way people interact with systems. This service from Watson is the right starting point towards cognitive systems of the future.

We have heard a lot about the ease of using Bluemix. Tell us your experience as a Bluemix

The Could Foundary command line tool along with Bluemix dashboard makes a great combination for developers to quickly develop and deploy their application onto Bluemix. Bluemix dashboard has everything to maintain and manage the application that is deployed. Right from managing the application's memory requirements to managing the services used by the app. With Bluemix everything is available at your fingertips.

What made you choose Bluemix?

Somewhere in the second quarter of the year, Social media was raining Bluemix. It quickly caught my attention and I started exploring it. Once logged in, I was thoroughly impressed to see the way things were organized in the dashboard and with each click grew my curiosity to learn more!

I clicked the catalog and wow! It had a set of boiler plates that helps one get started in no time. After having played with a couple of boiler plate apps, I started exploring the various services provided by Bluemix. RapidApps grabbed my attention. With RapidApps on Bluemix, I was ready with my first App deployed and running in less than 15 mins! It was unbelievable! I was so excited with the ease of its usage that I started publishing tutorials.

Why did you choose to be a developer?

Guess it is in my genes (laughs). I mean, being a business analyst was a foolish move I once made. Plus, being a developer makes me feel like a film director. The product I develop is my movie and I give it my personal touch. I don’t think any other role would have given me as much happiness as being a developer does. Also, it gives me awesome money (winks).

How does Bluemix work?

Bluemix embraces Cloud Foundry as an open source Platform as a Service and extends it with IBM, third party, and community built services.

What are the features of IBM Bluemix?

Go Live in Seconds The developer can choose any language runtime or bring their own. Zero to production in one command.
DevOps Development, monitoring, deployment, and logging tools allow the developer to run the entire application.

APIs and Services A catalog of IBM, third party, and open source API services allow the developer to stitch an application together in minutes.

On-Prem Integration Build hybrid environments. Connect to on-premise assets plus other public and private clouds.

Layered Security IBM secures the platform and infrastructure and provides you with the tools to secure your apps.

Flexible Pricing Sign up in minutes. Pay as you go and subscription models offer choice and flexibility.

What is IBM Bluemix and What it does?

IBM Bluemix is a cloud platform as a service developed by IBM. It supports several programming languages and services as well as integrated DevOps to build, run, deploy and manage applications on the cloud.

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