30+ Senior Technical Consultant Interview Questions and Answers

Use SQL query to join bridge table with users and permissions tables to get one to many mapping

• Join the bridge table with users table using user_id

• Join the bridge table with permissions table using permission_id

• Group by user_id and count the number of permissions for each user

Redux provides a centralized state management solution with advanced features compared to Context API.

• Redux allows for a more scalable and maintainable application architecture.

• Redux provides a single source of truth for the application state.

• Redux supports time-travel debugging and middleware for advanced functionality.

• Redux has a large and active community with extensive documentation and ecosystem.

• Context API is simpler and suitable for small-scale applications with limite...read more

Use external storage like hard drive or cloud storage to store integers exceeding RAM capacity.

• Store the integers in an external storage device such as a hard drive or cloud storage.

• Implement a paging system to swap data between RAM and external storage as needed.

• Use specialized data structures like B-trees or hash tables to efficiently access the stored integers.

Solar energy is becoming increasingly competitive with conventional fuel energy.

• Solar energy is renewable and sustainable, while conventional fuels are finite and contribute to climate change.

• The cost of solar energy has decreased significantly in recent years, making it more competitive with conventional fuels.

• Many countries and companies are investing in solar energy as a way to reduce their carbon footprint and save money in the long run.

• However, conventional fuels still h...read more

DNS is a system that translates domain names to IP addresses, IPCONFIG is a command line tool to manage network settings, Run Commands are shortcuts to access system tools, Severity is the impact of a bug on the system while Priority is the order in which bugs should be fixed.

• DNS (Domain Name System) is a hierarchical decentralized naming system for computers, services, or any resource connected to the Internet. It translates domain names into IP addresses.

• IPCONFIG is a comma...read more

T24 and JBoss installation and T24 update installation process.

• T24 installation requires setting up the database, application server, and T24 environment variables.

• JBoss installation involves downloading and installing the JBoss application server, configuring the server, and deploying T24 on it.

• T24 update installation involves applying the update package to the existing T24 installation.

• Ensure that all prerequisites are met before starting the installation process.

• Follow the...read more

Arrow functions provide a concise syntax and lexical scoping, making code more readable and reducing the need for 'this' binding.

• Arrow functions have a shorter syntax compared to regular functions.

• They do not bind their own 'this', 'arguments', 'super', or 'new.target'.

• Arrow functions have lexical scoping, meaning they inherit the 'this' value from the enclosing context.

• They are useful for callbacks and event handlers, where the lexical 'this' is often desired.

• Arrow functions...read more

Use two variables to keep track of the largest and second largest elements in the array.

• Iterate through the array and update the variables accordingly.

• Handle edge cases like duplicates and empty arrays.

• Time complexity is O(n) as we only iterate through the array once.

IDoc is a SAP document format used for exchanging data between systems. It can be triggered and checked using various methods.

• IDoc can be triggered manually or automatically through various SAP processes

• To manually trigger an IDoc, use transaction code WE19

• To automatically trigger an IDoc, use SAP process codes or output types

• To check the status of an IDoc, use transaction code WE02 or WE05

• IDoc errors can be checked using transaction code WE02 or WE05 and corrected using tran...read more

Yes, I have extensive working experience and knowledge on agile methodologies.

• I have worked on multiple agile projects and have experience with Scrum, Kanban, and Lean methodologies.

• I have facilitated daily stand-up meetings, sprint planning sessions, and retrospectives.

• I have experience in creating and prioritizing product backlogs, user stories, and tasks.

• I have worked closely with cross-functional teams to deliver high-quality software products in iterative cycles.

To check BGP peer status, use commands like 'show ip bgp summary', 'show bgp neighbor', and 'show ip bgp neighbors'.

• Use 'show ip bgp summary' command to display a summary of BGP peer status

• Use 'show bgp neighbor' command to view detailed information about BGP neighbors

• Use 'show ip bgp neighbors' command to check the status of specific BGP neighbors

• These commands provide information about the state, uptime, and prefixes exchanged with BGP peers

SQL query to find 2nd highest salary

• Use the ORDER BY clause to sort salaries in descending order

• Use the LIMIT clause to retrieve the second row

I switched jobs to gain new experiences and challenges. SD flow refers to Sales and Distribution process flow.

• I wanted to expand my skill set and work on different projects

• I was seeking new challenges and opportunities for growth

• SD flow refers to the Sales and Distribution process flow in SAP systems

• I have experience working with SD flow in my previous roles

Cloud technology provides flexibility and scalability, but security concerns must be addressed.

• Cloud providers offer various security measures such as firewalls, encryption, and access controls.

• Organizations must also implement their own security measures such as strong passwords and regular updates.

• Regular security audits and risk assessments are necessary to identify and address vulnerabilities.

• Examples of cloud security breaches include the 2017 Equifax data breach and the...read more

Middleware components in C# are software components that sit between an application and the operating system, providing services and functionality.

• Middleware components act as a bridge between the application and the operating system.

• They provide services such as authentication, logging, caching, and routing.

• Middleware components can be added to the application's request pipeline to handle specific tasks.

• Examples of middleware components in C# include ASP.NET Core middleware,...read more

Components in Angular communicate through input and output properties, event emitters, and services.

• Components can communicate with each other using input and output properties.

• Input properties allow data to flow from a parent component to a child component.

• Output properties use event emitters to send data from a child component to a parent component.

• Components can also communicate through services, which act as a shared data source.

• Services can be injected into multiple comp...read more

Function to calculate factorial of a number

• Create a function that takes an integer as input

• Use a loop to multiply the number by all integers from 1 to the input number

• Return the final result

Filters in .NET are components that allow developers to manipulate and transform data in various ways.

• Filters are used to modify or refine data in .NET applications.

• They can be used to perform tasks such as data validation, data transformation, and data manipulation.

• Filters can be applied to various types of data, including text, numbers, and objects.

• Examples of filters in .NET include the LINQ query operators, which allow developers to filter and manipulate collections of da...read more

Ecommerce flow involves customer browsing, selecting, purchasing, and receiving products/services online.

• Customer visits ecommerce website/app

• Browses products/services

• Adds selected items to cart

• Proceeds to checkout

• Enters shipping and payment information

• Confirms order

• Receives order confirmation

• Product is shipped/delivered

• Customer receives product and provides feedback

A regular expression to match the format YYYY-MM-DD.

• The regular expression should start with four digits for the year

• Followed by a hyphen

• Then two digits for the month

• Another hyphen

• And finally two digits for the day

My last project involved working with IDocs and enhancing the system.

• Developed custom IDoc types for data transfer between SAP and non-SAP systems

• Implemented enhancements to improve system performance and user experience

• Collaborated with cross-functional teams to ensure successful project delivery

An abstract class is a class that cannot be instantiated and is meant to be subclassed.

• An abstract class serves as a blueprint for other classes.

• It can have both abstract and non-abstract methods.

• Abstract methods are declared without an implementation and must be implemented by the subclasses.

• An abstract class can have instance variables, constructors, and static methods.

• It provides a common interface for all the subclasses.

Payment gateway implementation involves integrating a secure platform for processing online transactions.

• Choose a payment gateway provider based on your business needs and requirements

• Obtain API credentials from the chosen provider

• Integrate the payment gateway API into your website or application

• Test the payment gateway integration thoroughly to ensure it functions correctly

• Ensure compliance with security standards such as PCI DSS

• Monitor and maintain the payment gateway to en...read more

DevOps screening involves testing various tools for their effectiveness.

• DevOps tools should be tested for their ability to automate processes and improve collaboration.

• Tools like Jenkins, Ansible, Docker, and Kubernetes are commonly used in DevOps.

• Screening should also consider the tool's compatibility with the existing infrastructure.

• Performance, security, and scalability are other important factors to consider during screening.

Web API is a set of rules and protocols that allows different software applications to communicate and interact with each other over the internet.

• Web API stands for Application Programming Interface

• It enables communication between different software systems

• Web API uses HTTP protocols for communication

• It allows developers to access and manipulate data from remote servers

• Examples of Web APIs include Google Maps API, Twitter API, and Facebook Graph API

R12 is Oracle E-Business Suite while Fusion is Oracle Cloud Applications, offering different functionalities and deployment options.

• R12 is an on-premise solution, while Fusion is a cloud-based solution

• Fusion offers more modern and user-friendly interface compared to R12

• Fusion provides more advanced features like AI and machine learning capabilities

• R12 has been around longer and may have more mature functionality in certain areas

MobileIron is a mobile device management (MDM) software that allows organizations to secure and manage mobile devices.

• MobileIron provides policies for managing mobile devices such as password requirements, app restrictions, and device wipe capabilities.

• Policies can be customized based on user roles and device ownership.

• MobileIron also offers integration with other security solutions such as VPN and identity management.

• Examples of policies include enforcing passcodes, restrict...read more

HTTP codes are standardized status codes used to indicate the outcome of an HTTP request.

• HTTP codes are 3-digit numbers that are returned by a server in response to a client's request.

• The first digit of the code indicates the general status of the response (e.g. 2xx for success, 4xx for client errors, 5xx for server errors).

• Common HTTP codes include 200 (OK), 404 (Not Found), and 500 (Internal Server Error).

HSRP (Hot Standby Router Protocol) is a Cisco proprietary protocol that provides redundancy for IP networks by allowing two or more routers to work together in a virtual router group.

• HSRP is used to provide high availability and failover in a network.

• It uses a virtual IP address and a virtual MAC address to represent the group of routers.

• One router is elected as the active router, while the others are in standby mode.

• The active router forwards traffic for the virtual IP addre...read more

Experienced in various programming languages, cloud technologies, and project management.

• Proficient in Java, Python, and JavaScript

• Skilled in AWS, Azure, and Google Cloud Platform

• Experienced in Agile project management

• Strong problem-solving and communication skills

Designing Ms Teams involves creating channels, setting up permissions, integrating apps, and customizing notifications.

• Create different channels for different teams or projects

• Set up permissions to control access to channels and files

• Integrate apps like Trello, Asana, or Salesforce for seamless workflow

• Customize notifications to ensure important messages are not missed