800+ Senior Consultant Interview Questions and Answers

Interview questions for Senior Consultant role

• Update sets are used to move customizations from one instance to another

• To move multiple update sets at once, use the Update Set Migration plugin

• Custom applications can be developed using ServiceNow's App Creator

• Turnstile activity in workflow is used to loop back to a previous activity

• Activities in workflows include approvals, notifications, and subflows

• To copy fields from incident table to task record, use a UI action with script...read more

Technical interview questions for Senior Consultant role

• Virtual DOM is a lightweight copy of the actual DOM used for efficient updates

• React component life cycle includes mounting, updating, and unmounting phases

• Higher-order components are functions that take a component and return a new component with additional functionality

• Basic javascript logical codes like reversing a string can be done using built-in methods or loops

• map, reduce, and filter are array methods used for mani...read more

Interview questions for Senior Consultant role related to MAM, MDM, Android and Windows device enrollment, APNS, and Intune app deployment.

• MDM is needed for complete device management and control, while MAM is focused on securing and managing specific applications and data.

• Different Android device enrollment methods include QR code, Near Field Communication (NFC), and Zero-touch enrollment.

• Apple Push Notification Services (APNS) is a service used to send push notifications to...read more

Cursors declared in procedures are local to the procedure, while those declared in package specifications can be accessed by multiple procedures within the package.

• Cursors declared in procedures are only visible within that specific procedure.

• Cursors declared in package specifications can be shared and accessed by multiple procedures within the package.

• Package-level cursors can be useful for reusing the same query logic across multiple procedures.

Yes, I have both risk management experience and audit work experience.

• I have worked as a risk management consultant for XYZ Company for 5 years.

• During my time at XYZ Company, I successfully implemented risk management strategies for several clients, helping them identify and mitigate potential risks.

• I have also conducted numerous risk assessments and developed risk mitigation plans.

• In terms of audit work experience, I have worked as an auditor at ABC Firm for 3 years.

• I have c...read more

As a consultant, I would analyze the Indian telecom market and provide a market entry strategy for the North American operator.

• Conduct a market analysis to understand the current telecom landscape in India

• Identify potential competitors and their market share

• Assess regulatory and legal requirements for foreign telecom operators

• Evaluate the demand for telecom services in different regions of India

• Develop a market entry strategy based on the analysis and recommend the best appro...read more

Explaining Microservices architecture, communication, transactions, annotations, authentication, and API validation.

• Our project follows a Microservices architecture where each service is independently deployable and scalable.

• Services communicate with each other using RESTful APIs and message brokers like Kafka.

• We use distributed transactions and compensating transactions to manage transactions and handle failure scenarios.

• Some of the Spring Boot Microservices annotations we u...read more

HTTP request passes through multiple network layers before reaching the server.

• HTTP request is first sent from client to local network router.

• Router forwards request to Internet Service Provider's network.

• Request then passes through multiple routers and switches in the internet backbone.

• Finally, request reaches the server hosting the requested website or service.

• Each network layer adds its own headers and metadata to the request.

Triggers are automatically executed in response to certain events, while stored procedures are pre-written scripts that can be manually executed.

• Triggers are event-driven and automatically executed when a specified event occurs in the database.

• Stored procedures are pre-written scripts that can be manually executed by users or applications.

• Triggers can be used to enforce data integrity rules or audit changes in the database.

• Stored procedures can be used to encapsulate complex ...read more

Water does not fall from a filled glass because of surface tension and gravity.

• Surface tension of water creates a force that holds it together and prevents it from overflowing.

• Gravity pulls the water downwards, keeping it inside the glass.

• The shape of the glass also plays a role in containing the water.

• If the glass is filled beyond its capacity, the surface tension may break and water will overflow.

APNS is Apple Push Notification Service used to send push notifications to iOS devices.

• APNS is used by iOS apps to send push notifications to users.

• If APNS is not renewed on time, push notifications will not be delivered to users.

• This can result in a poor user experience and loss of engagement.

• Renewing APNS requires a valid Apple Developer account and proper configuration of the app's push notification settings.

TestNG and Maven provide options to run failed/specific test cases and suites.

• To run failed test cases in TestNG, use the 'rerun-failed' option in the testng.xml file.

• To run specific set of test cases, use the 'include' or 'exclude' tags in the testng.xml file.

• To run specific suite in Maven, use the '-Dtest' option followed by the name of the suite.

• To run failed test cases in Maven, use the '-rf' option followed by the path to the testng-failed.xml file.

Yes, my experience in operations will help me provide effective front line support.

• My experience in operations has given me a strong understanding of how different processes work and how to troubleshoot issues.

• This knowledge will be useful in providing front line support as I can quickly identify the root cause of problems and provide effective solutions.

• I am also skilled in communication and can effectively convey technical information to non-technical stakeholders.

• For examp...read more

Deploying an application using Microsoft Intune

• Create an app in Intune

• Upload the app package

• Assign the app to a group of users or devices

• Configure deployment settings

• Monitor deployment status

Group tags and Windows Autopilot are tools used for managing and deploying devices in an organization.

• Group tags are used to organize devices into logical groups for easier management.

• Windows Autopilot is a cloud-based tool for deploying and configuring Windows devices.

• Autopilot uses group tags to assign devices to specific profiles and configurations.

• This allows for faster and more efficient deployment of devices in an organization.

• For example, a company could use group tags...read more

Advise P&G on cost reduction in logistics & supply chain after acquiring Gillette.

• Conduct a thorough analysis of the current logistics & supply chain processes to identify areas of improvement.

• Explore options for optimizing transportation routes and modes to reduce costs.

• Implement a demand-driven supply chain strategy to reduce inventory and improve efficiency.

• Leverage technology such as automation and data analytics to streamline operations and reduce costs.

• Collaborate with ...read more

To evaluate a telecom infrastructure company for buy-out by a PE fund, consider financial performance, market position, growth potential, and operational efficiency.

• Assess the company's financial performance, including revenue, profitability, and cash flow.

• Evaluate the company's market position and competitive landscape, considering factors such as market share, customer base, and barriers to entry.

• Analyze the growth potential of the company, looking at market trends, demand ...read more

The speed of the person sitting under the train is zero.

• The person sitting under the train is stationary.

• The speed of the train does not affect the speed of the person.

• The person's speed is relative to the ground, not the train.

Abstract class can have both abstract and non-abstract methods, while interface can only have abstract methods.

• Abstract class can have constructors, fields, and methods, while interface cannot have any implementation.

• A class can only extend one abstract class, but can implement multiple interfaces.

• Abstract classes are used to define common characteristics of subclasses, while interfaces are used to define common behaviors of classes.

• Example: Abstract class 'Animal' with abstr...read more

Different types of Android device enrollment methods

• QR code enrollment

• NFC enrollment

• Zero-touch enrollment

• Samsung Knox Mobile Enrollment

• Manual enrollment

I will implement microservice architecture using containerization and API gateway pattern.

• Identify the bounded contexts and break down the monolith into smaller services

• Use containerization tools like Docker and Kubernetes for deployment and scaling

• Implement API gateway pattern to manage the communication between services

• Use service discovery tools like Consul or Eureka for service registration and discovery

• Implement fault tolerance and resilience patterns like circuit breake...read more

umask value determines default file permissions when creating a file or directory

• umask is a 3-digit octal value that subtracts from the maximum permission value (777 for files, 666 for directories)

• default umask value for users is 022 (files: 644, directories: 755)

• default umask value for root is 002 (files: 664, directories: 775)

ROWID is a unique identifier for a row in a table, while ROWNUM is a pseudo-column that assigns a unique number to each row retrieved from a query.

• ROWID is a physical address of a row in a table, while ROWNUM is a virtual column generated by a query result set.

• ROWID remains constant for a row even if the row is updated, while ROWNUM changes based on the order of rows retrieved from a query.

• ROWID is unique within a table, while ROWNUM is unique within a result set.

MVC components include Model, View, and Controller which work together to separate concerns in a software application.

• Model: Represents the data and business logic of the application.

• View: Represents the user interface and displays data from the model to the user.

• Controller: Acts as an intermediary between the model and view, handling user input and updating the model accordingly.

• Example: In a web application, the model could be a database table, the view could be an HTML pag...read more

PUT is used to update or replace an existing resource, while POST is used to create a new resource.

• PUT is idempotent, meaning multiple identical requests will have the same effect as a single request.

• POST is not idempotent, meaning multiple identical requests may result in different outcomes.

• PUT is used when the client knows the exact URI of the resource it wants to update.

• POST is used when the server assigns a URI for the newly created resource.

• Example: PUT /users/123 update...read more

BI reports have filters at both report level and query level.

• Report level filters allow users to filter data within the report itself.

• Query level filters are applied to the underlying data source before the report is generated.

• Common filters include date filters, dimension filters, and measure filters.

• Report level filters can be applied to specific visualizations or the entire report.

• Query level filters can be used to limit the data retrieved from the database.

• Examples of fil...read more

Jenkins supports various credential types for secure authentication and authorization.

• Username and password

• SSH key

• Secret text

• Certificate

• AWS credentials

E&Y strengths can be leveraged to help telecom companies grow their enterprise business by...

• Providing strategic consulting services to identify growth opportunities and develop effective business strategies

• Offering financial advisory services to help telecom companies secure funding for expansion and investment in new technologies

• Leveraging E&Y's global network to connect telecom companies with potential partners and customers

• Providing technology consulting services to help ...read more

A perfect user story is defined by clear and concise key points, and acceptance criteria are crucial for its success.

• A perfect user story should be written from the perspective of the end user.

• It should be concise and focused on a specific feature or functionality.

• It should include clear acceptance criteria that define the expected behavior and outcomes.

• Acceptance criteria help in ensuring that the user story is complete and meets the desired requirements.

• They provide a share...read more

Engaged with various stakeholders internally and externally, including partnerships, donors, and clients, to achieve mutually beneficial outcomes.

• Engaged with internal stakeholders such as team members, managers, and executives to align on project goals and strategies

• Collaborated with external partners and clients to develop joint initiatives and projects

• Managed relationships with donors to secure funding for projects and ensure transparency and accountability

• Handled challeng...read more

Excel rules are formula-based while OPA rules are natural language-based.

• Excel rules are written using formulas and functions, while OPA rules are written in natural language using if-then statements.

• Excel rules are limited to the capabilities of the Excel program, while OPA rules can be more complex and flexible.

• OPA rules can be easily updated and maintained by non-technical users, while Excel rules may require technical expertise.

• Excel rules are typically used for simple ca...read more

Storage Queue, Service Bus Queue, Event Hub, IoT Hub, and Event Grid are different messaging services in Azure.

• Storage Queue is a simple message queue for reliable messaging between components within an application.

• Service Bus Queue is a fully-featured messaging service for decoupling applications and enabling reliable communication.

• Event Hub is a big data streaming platform for ingesting and processing large volumes of events in real-time.

• IoT Hub is a managed service for bid...read more

I have worked on various storage arrays including EMC VNX, NetApp FAS, and Dell EMC Unity.

• EMC VNX

• NetApp FAS

• Dell EMC Unity

ArrayList is non-synchronized and Vector is synchronized in Java.

• ArrayList is not synchronized, while Vector is synchronized.

• ArrayList is faster than Vector as it is not synchronized.

• Vector is thread-safe, while ArrayList is not.

• Example: ArrayList<String> list = new ArrayList<>(); Vector<String> vector = new Vector<>();

Javascript is a single-threaded language, but it can handle asynchronous operations through callbacks and promises.

• Javascript is single-threaded, meaning it can only execute one task at a time.

• However, it can handle asynchronous operations by using callbacks, promises, and async/await.

• Backend calls in Javascript are typically made using asynchronous functions, allowing the program to continue executing other tasks while waiting for the response.

• For example, when making an HTT...read more

An interface in Object-Oriented Programming defines a contract for classes to implement certain methods or behaviors.

• An interface contains method signatures but no implementation details.

• Classes can implement multiple interfaces in Java.

• Interfaces allow for polymorphism and loose coupling in OOP.

• Example: 'Comparable' interface in Java defines a method 'compareTo' for comparing objects.

HashSet is a collection of unique elements, while HashMap is a key-value pair collection.

• HashSet does not allow duplicate elements, while HashMap allows duplicate values but not duplicate keys.

• HashSet uses a hash table to store elements, while HashMap uses key-value pairs to store data.

• Example: HashSet<String> set = new HashSet<>(); HashMap<String, Integer> map = new HashMap<>();

To calculate 45 minutes using 2 unevenly greased ropes and 1 candle.

• Light both ropes at the same time

• After 30 minutes, the first rope will be completely burned and the second rope will have 30 minutes of grease left

• Light the candle at this point

• When the second rope is completely burned, 15 minutes will have passed since the candle was lit

Old tables like KNA1, KNB1 are still required in SAP S4 HANA for compatibility and historical data purposes.

• Old tables like KNA1, KNB1 are still required in SAP S4 HANA for compatibility with existing programs and reports.

• Some custom developments may still be using the old tables, requiring them to be maintained.

• Historical data stored in the old tables may still be needed for reference or reporting purposes.

ConcurrentHashMap is a thread-safe implementation of the Map interface in Java.

• ConcurrentHashMap allows multiple threads to read and write to the map concurrently without the need for external synchronization.

• It achieves this by dividing the map into segments, each with its own lock, allowing multiple threads to access different segments concurrently.

• ConcurrentHashMap does not block the entire map when performing read or write operations, improving performance in multi-thread...read more

Independent microservices communicate through APIs, message queues, or event-driven architecture.

• Microservices communicate through RESTful APIs, allowing them to send and receive data over HTTP.

• Message queues like RabbitMQ or Kafka enable asynchronous communication between microservices.

• Event-driven architecture using tools like Apache Kafka allows microservices to react to events in real-time.

• Service mesh frameworks like Istio can also facilitate communication between micros...read more

SQL join queries are used to combine rows from two or more tables based on a related column between them.

• Different types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN.

• INNER JOIN returns rows when there is at least one match in both tables.

• LEFT JOIN returns all rows from the left table and the matched rows from the right table.

• RIGHT JOIN returns all rows from the right table and the matched rows from the left table.

• FULL JOIN returns rows when there is a mat...read more

A ticket booking system similar to BookMyShow

• User registration and login

• Event listing and selection

• Seat selection and payment

• Confirmation and ticket generation

• Integration with payment gateways

• Admin panel for event and user management

Key KPIs for measuring success of an Ed-Tech platform

• User engagement metrics such as time spent on platform, number of logins, and frequency of usage

• Retention rate of users over time

• Conversion rate of free users to paid subscribers

• Customer satisfaction scores and feedback

• Number of active users and growth rate

• Revenue generated from the platform

• Completion rates of courses or modules

• Effectiveness of marketing campaigns in acquiring new users

Questions on Angular, JavaScript, and CSS

• Angular components, directives, and interceptors

• Showing spinner from interceptor

• Reactive forms and authguards

• Hostlistener and component communication

• Dependency injection and optional chaining

• JavaScript async, defer, cloning objects, hoisting, spread operator, comparing objects, event bubbling, and prototype

• CSS box model

Designing Azure architecture using VM, VNet, and Load Balancers involves creating virtual machines, virtual networks, and load balancers to ensure scalability, availability, and performance.

• Start by creating a virtual network (VNet) to establish a private network in Azure.

• Create virtual machines (VMs) within the VNet to host your applications and services.

• Configure load balancers to distribute incoming traffic across multiple VMs for high availability and scalability.

• Use Azur...read more

Investing in innovation and upskilling employees are key areas for Indian IT companies to remain competitive.

• Investing in research and development to create innovative solutions

• Upskilling employees to keep up with emerging technologies

• Focusing on customer-centric approach to deliver personalized solutions

• Adopting agile methodologies to improve efficiency and speed of delivery

• Collaborating with startups and other companies to leverage their expertise

• Expanding into new markets ...read more