Deloitte Senior Analyst Interview Questions and Answers

Tags can be deployed in Jenkins using the Git plugin and in UCD using the version control system integration.

• In Jenkins, tags can be deployed by configuring the Git plugin to fetch tags from the repository.

• In UCD, tags can be deployed by integrating with the version control system and selecting the specific tag to deploy.

• Tags can be used to mark specific versions of code for deployment and tracking purposes.

I would communicate with the team to understand their priorities and try to find a solution that addresses both the issue and their priorities.

• Communicate with the team to understand their priorities and constraints

• Highlight the impact of the issue on the overall project or organization

• Collaborate with team members to find a mutually beneficial solution

• Escalate the issue to higher management if necessary

C# is a programming language developed by Microsoft for building a wide range of applications on the .NET framework.

• Developed by Microsoft

• Used for building applications on the .NET framework

• Object-oriented language

• Supports modern programming features like generics, LINQ, and async/await

• Similar to Java and C++

Encapsulation is the concept of bundling data and methods that operate on the data into a single unit.

• Encapsulation helps in hiding the internal state of an object and only exposing the necessary functionalities.

• It allows for better control over the data by preventing direct access from outside the class.

• Example: A class 'Car' encapsulating variables like 'model', 'year', and methods like 'startEngine()', 'accelerate()...read more

Duplicate values in a table can be deleted by using the DELETE statement with a subquery.

• Use the DELETE statement with a subquery to remove duplicate values.

• Identify the duplicate values using a SELECT statement with GROUP BY and HAVING clauses.

• Ensure to keep at least one unique record for each duplicate value.

Group by is used to group rows that have the same values into summary rows, while having is used to filter groups based on a specified condition. Union combines the result sets of two or more SELECT statements, while Union All includes duplicates.

• Group by is used with aggregate functions to group rows based on one or more columns.

• Having is used to filter groups based on a specified condition after the group by operatio...read more

SMTP stands for Simple Mail Transfer Protocol, used for sending emails.

• SMTP is a protocol used for sending emails over the internet

• It works by using a series of commands between the email client and the email server

• The namespace for SMTP is defined by RFC 5321

• Examples of SMTP servers include Gmail's smtp.gmail.com and Outlook's smtp.live.com

I have used namespaces such as std, boost, and Eigen in my code.

• std

• boost

• Eigen

Web API allows for more flexibility, scalability, and ease of use compared to traditional web services.

• Web API supports multiple data formats like JSON, XML, etc., making it easier to work with different clients.

• Web API is more lightweight and faster compared to SOAP-based web services.

• Web API allows for better security through the use of tokens and authentication mechanisms.

• Web API is easier to integrate with modern w...read more

Securing a WEB API involves using authentication, authorization, encryption, and monitoring.

• Implement authentication mechanisms such as OAuth, JWT, or API keys to verify the identity of clients accessing the API.

• Use authorization to control access to different parts of the API based on roles and permissions.

• Encrypt sensitive data transmitted between clients and the API using HTTPS or TLS.

• Implement rate limiting, input ...read more

Authentication verifies the identity of a user, while authorization determines what actions they are allowed to perform.

• Authentication confirms the identity of a user through credentials like passwords, biometrics, or security tokens.

• Authorization controls access to resources based on the authenticated user's permissions.

• Examples include logging into a website with a username and password (authentication) and then acce...read more

Filters in MVC are used to perform logic before or after an action method is executed.

• Filters can be used for authorization, logging, caching, error handling, etc.

• They can be applied globally, at controller level, or at action level.

• Examples include Authorize filter for authentication, OutputCache filter for caching.

• Filters can be created by implementing specific filter interfaces or by inheriting from FilterAttribute ...read more

Routing in MVC is the process of mapping URLs to controller actions in order to handle incoming requests.

• Routing determines which controller and action should handle a request based on the URL

• Routes are defined in the RouteConfig.cs file in ASP.NET MVC applications

• Routes can include parameters that are passed to the controller action

• Routing can be used to create user-friendly URLs

An application interacts with an API by sending requests and receiving responses containing data or actions.

• The application sends a request to the API specifying the desired action or data

• The API processes the request and sends back a response containing the requested information

• The application then uses the data or performs the action based on the response received

• Examples: a weather app fetching current weather data ...read more

API architecture refers to the design and structure of the application programming interface.

• API architecture defines how different components of the API interact with each other

• It includes the endpoints, data formats, authentication methods, and communication protocols used

• Well-designed API architecture ensures scalability, security, and ease of use

• Examples of API architectures include REST, SOAP, and GraphQL

HTTP stands for Hypertext Transfer Protocol, a protocol used for transmitting data over the internet.

• HTTP is the foundation of data communication on the World Wide Web.

• It is a request-response protocol, where a client sends a request to a server and the server responds with the requested data.

• HTTP uses TCP/IP as the underlying transport protocol.

• Common HTTP methods include GET (retrieve data), POST (submit data), PUT (...read more

Experienced Senior Analyst with a strong background in data analysis, project management, and strategic decision-making.

• Over 5 years of experience in data analysis, focusing on market trends and consumer behavior.

• Led a project that improved operational efficiency by 20% through data-driven insights.

• Collaborated with cross-functional teams to develop strategic plans based on analytical findings.

• Utilized advanced statist...read more

Cash flow is the movement of money in and out of a business, crucial for maintaining operations and growth.

• Cash flow consists of operating, investing, and financing activities.

• Positive cash flow indicates that a company is generating more cash than it is spending.

• Negative cash flow can signal financial trouble, as seen in companies with high expenses but low revenue.

• Cash flow disruption can occur due to unexpected even...read more

An organisation dealing with thousands of transactions daily can implement ISO27001 by following a structured approach to information security management.

• Conduct a thorough risk assessment to identify potential security threats and vulnerabilities in the organization's systems and processes.

• Develop and implement information security policies and procedures based on the requirements of ISO27001 standards.

• Provide regular...read more

BCP/DR stands for Business Continuity Planning/Disaster Recovery. It involves creating strategies to ensure a company can continue operating during and after a disaster.

• BCP focuses on preventing and minimizing the impact of disruptions to business operations.

• DR focuses on restoring operations after a disaster has occurred.

• Examples of BCP/DR strategies include data backup and recovery plans, emergency response procedure...read more

Containers in SSIS are objects that allow you to group and manage tasks and workflows in a package.

• Containers help organize and control the flow of tasks in SSIS packages.

• Common types of containers include Sequence Container, For Loop Container, and Foreach Loop Container.

• Containers can be nested within each other to create complex workflows.

• They can be used to handle errors, transactions, and looping logic.

• Example: Us...read more

In SSIS, a provider is a software component that allows SSIS to connect to different types of data sources.

• Providers are used to establish connections to databases, files, and other data sources in SSIS.

• Examples of providers include OLE DB provider, ODBC provider, and ADO.NET provider.

• Providers are selected in SSIS connection managers when setting up connections to data sources.