26 August 2021
23 August 2021
#Blockchain
| What is Shared ledger? |
| What is Node application? |
| What is Virtual application? |
| What is Consensus algorithm? |
| What is the difference between a centralized network, decentralized network, and distributed ledger? |
| What is Distributed ledger? |
| What is Centralized network? |
| What is Decentralized network? |
| What is the difference between off-chain transactions and on-chain transactions? |
| What is On-chain transactions? |
| What is Off-chain transactions? |
| What is the difference between a scriptPubKey and a P2SH address? |
| What is scriptPubKey ? |
| What is P2SH address? |
| What is a trapdoor function in blockchain development? |
| What is a Coinbase transaction? |
| What is Consensus protocol? |
| What is Cryptocurrency ? |
| What is the consensus algorithm? |
| What is encryption and what is its role in blockchain? |
| What is the difference between public and private keys? |
| What is Centralized Ledgers? |
| What is Decentralized Ledgers? |
| What is Distributed Ledgers? |
| What is Public Blockchain? |
| What is Private Blockchain? |
| What is Consortium or Federated Blockchain? |
| What are the major elements of the blockchain ecosystem? |
| What are the key principles in a blockchain that help in eliminating security threats? |
| What are the core components of blockchain architecture? |
| What are the benefits of using blockchain technology? |
| What are the types of consensus algorithms? |
| What are the major features of blockchain? |
| What are ledgers and name the common types of ledgers that are considered by users in blockchain? |
| What are the types of records that are available in the blockchain database? |
| What are the major elements of a block? |
| How to implement a blockchain project? |
| Are there any network-specific conditions for employing Blockchain technology in an organization? |
| Can RSA be attacked? If so, how? |
| How is a hard fork different from a soft fork in blockchain? |
| How will you handle risk management when it comes to securing the transaction records? |
| In what order blocks are linked in blockchain? |
| Is it true that a block in the blockchain can never have more than one parent block? |
| Is it possible to change the data once it is written in a block? |
| Is it possible to remove one or more blocks from the networks in blockchain? |
| What does BIP stand for? |
| What exactly do you know about executive accounting? Does blockchain support the same? |
| What Is Block? |
| What is Chain? |
| What is Miners? |
| What is Mining? |
| What is Node? |
| What is Transaction? |
| What keeps your transaction data safe in blockchain? |
| Which cryptographic algorithm is used in Bitcoin Blockchain? |
| Which type of records can be kept in the blockchain? |
| Why does Blockchain need coins or tokens? |
| What is the difference between Bitcoin blockchain and Ethereum blockchain? |
| What is the principle on which blockchain technology is based on? |
| What is block records? |
| What is transactional records? |
| What is encryption? What is its role in Blockchain? |
| What is a ledger? Is Blockchain an incorruptible ledger? |
| What is Double Spending? Is it possible to double spend in a Blockchain system? |
| What is RSA algorithm? How secure is this algorithm? |
| What is Secret Sharing? Does it have any benefit in Blockchain technology? |
| What is 51% attack? |
| What is information processing according to you? What are the key challenges that are associated with it? |
| What is a security policy? |
| What is PBFT ? |
| What are the different types of Blockchains? |
| What are the properties of Blockchain? |
| What are Block Identifiers? |
| What are Merkle trees? How important are Merkle trees in Blockchains? |
| What are the benefits of Blockchain that you know? |
| What are the threats to the information you are familiar with? |
| What are the core requirements for a Business Blockchain? |
| What are the key principles in Blockchain that are helpful in eliminating the security threats that needs to be followed? |
| A distributed digital ledger is used for recording transaction in Blockchain. What does the system rely on? |
| Blockchain is a distributed database. How does it differ from traditional databases? |
| Can You explain the components of Blockchain Ecosystem? |
| Can you tell me some of the widely used cryptographic algorithms? |
| Can you explain what are off-chain transactions? |
| Can you list some of the popular consensus algorithms? Why we need different consensus mechanisms? |
| Explain a real-life use-case where Blockchain is being used? |
| Explain the significance of blind signature and how it is useful? |
| How does a block is recognized in the Blockchain approach? |
| How is a blockchain ledger different from an ordinary one? |
| How will you handle the risk management when it comes to securing the transactions records? |
| Is it possible to modify the data once it is written in a block? |
| Is it possible in Blockchain to remove one or more block from the networks? |
| Is the Blockchain Different from Banking Ledgers? |
| Is there any network specific conditions for using Blockchain technology in an organization? |
| Name organizations that can use Blockchain technology? |
| Name some popular platforms for developing blockchain applications |
| Name the two types of records that are present in the blockchain database? |
| Name the common type of ledgers that can be considered by users in Blockchain? |
| Name the steps that are involved in the Blockchain project implementation? |
| State difference between proof-of-work & proof-of-stake? |
| What challenges information leak can impose on an organization? |
| What do you know about Blockchain? |
| What do you mean by blocks in blockchain technology? |
| What exactly do you know about the security of a block? |
| What exactly do you know about executive accounting? Does Blockchain support the same? |
| What is Proof-of-stake? |
| What is Proof-of-work? |
| What type of records can be kept in a Blockchain? Is there any restriction on same? |
| Why is Blockchain a trusted approach? |
20 August 2021
#CICD
| What is Continuous Integration? |
| What is Continuous Deployment? |
| What is Continuous Delivery? |
| What CI/CD best practices are you familiar with? Or what do you consider as CI/CD best practice? |
| What is a Software Repository? |
| What ways are there to distribute software? What are the advantages and disadvantages of each method? |
| What is caching? How does it works? Why is it important? |
| What is Reliability? How does it fit DevOps? |
| What "Availability" means? What means are there to track Availability of a service? |
| What types of tests are you familiar with? |
| What is Chaos Engineering? |
| What is "infrastructure as code"? What implementation of IAC are you familiar with? |
| What Continuous Integration solution are you using/prefer and why? |
| What deployment strategies are you familiar with or have used? |
| What do you think about the following sentence?: "implementing or practicing DevOps leads to more secure software" |
| What is a configuration drift? What problems is it causing? |
| What is Distributed Tracing? |
| What is GitOps? |
| Explain mutable vs. immutable infrastructure |
| Explain "Software Distribution" |
| Explain stateless vs. stateful |
| Explain "Open Source" |
| Explain test-driven development (TDD) |
| Explain agile software development |
| Explain Declarative and Procedural styles. The technologies you are familiar with (or using) are using procedural or declarative style? |
| Why are there multiple software distributions? What differences can they have? |
| How a web server works? |
| How do you manage build artifacts? |
| How do you perform plan capacity for your CI/CD resources? (e.g. servers, storage, etc.) |
| How would you structure/implement CD for an application which depends on several other applications? |
| How do you measure your CI/CD quality? Are there any metrics or KPIs you are using for measuring the quality? |
| How to deal with a configuration drift? |
| Where do you store CI/CD pipelines? Why? |
| Are you familiar with "The Cathedral and the Bazaar models"? Explain each of the models |
| Can you describe an example of a CI (and/or CD) process starting the moment a developer submitted a change/PR to a repository? |
| Describe the workflow of setting up some type of web server (Apache, IIS, Tomcat, ...) |
| Describe me the architecture of service/app/project/... you designed and/or implemented |
| Do you know what is a "post-mortem meeting"? What is your opinion on that? |
| Do you have experience with testing cross-projects changes? (aka cross-dependency) |
| Have you contributed to an open source project? Tell me about this experience |
| Would you prefer a "configuration->deployment" model or "deployment->configuration"? Why? |
| You are given a pipeline and a pool with 3 workers: virtual machine, baremetal and a container. How will you decide on which one of them to run the pipeline? |
| You need to install periodically a package (unless it's already exists) on different operating systems (Ubuntu, RHEL, ...). How would you do it? |
| You joined a team where everyone developing one project and the practice is to run tests locally on their workstation and push it to the repository if the tests passed. What is the problem with the process as it is now and how to improve it? |
| In today's fast-paced world of software development, success is synonymous with efficiency, rapid deployment, and minimal disruptions. CI/CD pipelines serve as the catalyst for achieving agile development and smoother software delivery. CI/CD, an acronym for Continuous Integration and Continuous Deployment, represents a holistic approach aimed at automating the integration of code changes and their seamless deployment into production. This ensures that your software is in a state of perpetual readiness for deployment, emphasizing incremental updates over unwieldy, error-prone releases. Continuous Integration (CI): Developers craft code and seamlessly upload it to a shared repository. Continuous Deployment (CD): Once the code emerges unscathed from the rigorous CI phase, it's primed for deployment. - Source Control Management (SCM): This is the digital heart where developers store their code, often utilizing Git-based repositories such as GitHub or GitLab. - Build Tools: These are the skilled artisans that compile, package, and optimize your code for deployment. Popular options include Jenkins, Travis CI, and CircleCI. - Artifact Repositories: Where the precious gems of your code, like Docker images and application binaries, are safely stored for deployment. - Deployment Tools: The automation wizards that wave their magic wands to dispatch your code to different environments, be it Kubernetes, Docker Swarm, or serverless platforms. - Testing Automation: A battalion of unit, integration, and end-to-end tests that vigilantly safeguard your code's quality and functionality. Benefits of CI/CD: - Faster Delivery: Smaller, more frequent releases mean quicker feature updates and bug fixes. - Enhanced Collaboration: Developers can simultaneously work on different features, creating harmonious, conflict-free collaboration. |
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10 August 2021
#IBM-Datapower
| What is an XML Manager and why do we need it? |
| What are the different modes through which you can connect to Datapower? |
| What is an Application Domain? |
| What kind of troubleshooting have you done in datapower? |
| What is the advantage of Datapower over Message Broker? |
| What are the components of a WSDL? |
| What is xsl: param? |
| What are the different services that have you used in Datapower? |
| What actions have you used in the processing policy? |
| What are the Datapower Variables? |
| What is an on-error action in XI52? |
| What Are The Weakness Of Symmetric Key Cryptography And What Is The Strength Of The Asymmetric Key Cryptography? |
| What is the Processing Rule? |
| What is the difference between object filter and event filter? |
| What are the different modes of archival? Explain each mode in two lines each? |
| What is a trust store? |
| What is the difference between object type and object name and what happens when I keep the add referenced object option to ‘off’? |
| What is Passthrough Service? |
| What is the default log size in the log target? What happens when that log size is reached? |
| What is DataPower? How and why does an? |
| What is Input injection and what are different ways of doing it? |
| What is Master Repository? |
| What is Extended Deployment? |
| What is WSDL Definitions |
| What is WSDL Types |
| What is WSDL Message |
| What is WSDL Binding |
| What is WSDP Port and Operation |
| What are the different services that have you used in Datapower? |
| What are the components of a WSDL? |
| What is WSDL? WSDL Types? |
| What is WSDL Message? |
| What is WSDP Port and Operation? |
| What is WSDL Binding? |
| What actions have you used in the processing policy? |
| What is SLM and options available with that? |
| What are the Security features that you have enabled in Datapower? |
| What is an XML Manager and why do we need it? |
| What kind of troubleshooting have you done in datapower? |
| What is a Processing Rule? |
| What is xsl:param ? |
| What are the Datapower Variables? |
| What is a Passthrough Service? |
| What is the advantage of Datapower over Message Broker? |
| What is an on-error action in XI52? |
| What is an Application Domain? |
| What are the different modes through which you can connect to Datapower? |
| What is XML-Management Interface? |
| What is the difference between object filter and event a filter? |
| What Is A Trust Store? |
| What is API testing with the run scope? |
| What Is Cryptography? |
| What Is The Global Security? |
| What is the weakness and strength of the asymmetric key cryptography? |
| What is Asymmetric cryptography? |
| What is MQ API calls |
| What are the tools used for API test automation? |
| What are the tools used for documentation? |
| What is the default log size in the log target? What happens when that log size is reached? |
| What Is the Application Server? |
| What is TestApi? |
| What is Input injection and what are different ways of doing it? |
| What are the common tests performed on APIs? |
| What is the difference between object type and object name? |
| What happens when I keep the add referenced object option to ‘off’? |
| what is REST API? |
| What is ssl? when it encrypt & decrypt the data? |
| What is Deployment Policy? |
| What are the main challenges of API testing? |
| What is the difference between object filter and event filter? |
| What Is The Value Time Stamp Format In Log Target For? |
| What is XSL: param? |
| Explain what are the principles of API test design? |
| Explain About IBM Web Sphere Edge Serve? |
| Explain About IBM Web Sphere Integration Developer? |
| Explain About Computer Grid? |
| Explain About Asymmetric Clustering? |
| Why did you choose your particular degree? |
| Why do we need a log target when there is already a default logging mechanism available in DataPower? |
| Why do we need a digital signature? |
| Why do you want to work for IBM? |
| How do you migrate your services from one environment to another or how do you deploy your services from one environment to another? |
| How do you test your Datapower Services? |
| How Do You Gauge The Strength Of The Key, What Is The Parameter Used? |
| How do you handle Error scenarios? |
| How to move code dev environment to testing environment? |
| How do you Implement Dynamic Routing in Datapower? |
| How do you migrate your services from one environment to another? |
| How do you deploy your services from one environment to another? |
| How to take secure backup? |
| How does the API Builder work? |
| When at work or on a project have you had to persuade someone to change their opinion or do something differently? |
| Where to give application priority while starting server? |
| Who issues a certificate, explain in detail? |
| Difference between WSP and MPGW? |
| Difference between Apply-template and Call-template? |
| Difference between Copy and Copy-of? |
| In the datapower file system, the logs are stored default in log temp? |
| Application Installed But Not Working. What Are Troubleshooting Step? |
| Give three popular algorithms used for encryption? |
| Have you worked on XSLT Coding? |
| Have you worked on Datapower Extension functions? |
| Mention the key difference between UI level testing and API testing? |
| What’s the difference between an abstract class and an interface? |
05 August 2021
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