Opus Consulting Solutions Interview Questions and Answers

Q1. Deep dive into java concepts. Max diameter of a tree in java.
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Q1. Lld of loan and borrower design. Design dbs schema. About connection pool, db isolation.
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Q1. Hiring manager round, more about previous experience and some hypothetical questions.
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Q1. Questions related to Manual Testing, Functional Testing and Database Testing, SQL query writing(Basic Queries related to Aggregation, Joins and Select queries), API Testing basic questions.
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MCQ on Reasoning, Pattern recognition etc..

Q1. Discussion with Manager on current roles and responsibilities, Scenario related questions on various testing stages, Few basic Mathematics questions to check the logical ability.
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Q1. Discussion on Salary and package.
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Q1. Personal questions they asked?
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Q2. Package details asking in previous process
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Soo easy aptitude exam asked questions

Q1. What is oops in Java,fibo, and sorting
Ans. 
OOPs in Java refers to Object-Oriented Programming concepts, fibo likely refers to Fibonacci sequence, and sorting refers to arranging elements in a specific order.
• OOPs in Java includes concepts like classes, objects, inheritance, polymorphism, and encapsulation.

• Fibo likely refers to the Fibonacci sequence, where each number is the sum of the two preceding ones (e.g. 0, 1, 1, 2, 3, 5, ...).

• Sorting involves arranging el...read more
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Q2. Why is garbage collector is used in java etc more of java questions
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Q3. Can main can be overloaded and overrided
Ans. 
Yes, main can be overloaded but not overridden in C++.
• Main can be overloaded by defining multiple functions with different parameters.

• Example: int main() and int main(int argc, char* argv[])

• Main cannot be overridden as it is a static function of the program.
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Q1. HR will call you and ask your current roles and responsibilities ?
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Q2. Job designation senior system engineer (IAM, Azure portal, SaaS Applications, API integrations, Vulnerability Management)
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Q1. Do you anything related vulnerability management?
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Q2. How do you support application for sso enablement?
Ans. 
Supporting application for SSO enablement involves configuring authentication settings, integrating with identity providers, and testing functionality.
• Configure authentication settings within the application to enable SSO

• Integrate the application with identity providers such as Okta, Azure AD, or PingFederate

• Test the SSO functionality to ensure seamless user experience

• Provide documentation and training for users on how
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Q3. Haw you handle outages and any regular task you performed?
Ans. 
I handle outages by following established procedures and prioritize tasks based on impact.
• Immediately assess the situation to determine the root cause of the outage

• Communicate with stakeholders to keep them informed of the issue and expected resolution time

• Work with cross-functional teams to troubleshoot and resolve the outage as quickly as possible

• Document the outage incident and steps taken for future reference and i...read more
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Q4. How you deal with change management?
Ans. 
I handle change management by implementing structured processes, communication, and stakeholder involvement.
• Implementing a change management process to track and document changes

• Communicating changes effectively to all stakeholders

• Involving key stakeholders in decision-making and planning

• Ensuring proper testing and validation of changes before implementation
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Q5. How do you enable sso for applications for saas?
Ans. 
Enable SSO for SaaS applications by integrating with identity providers and configuring authentication protocols.
• Integrate with identity providers such as Okta, Azure AD, or Google Workspace

• Configure authentication protocols like SAML, OAuth, or OpenID Connect

• Implement single sign-on functionality in the application code

• Ensure secure communication between the application and the identity provider
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Q6. What is RTO in disaster recovery?
Ans. 
RTO stands for Recovery Time Objective in disaster recovery, representing the targeted duration of time within which a business process must be restored after a disaster.
• RTO is a crucial metric in disaster recovery planning, indicating the maximum acceptable downtime for a system or process.

• It helps organizations determine the resources and strategies needed to recover from a disaster within a specific timeframe.

• For ex...read more
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Q7. Which application you are using to connect servers?
Ans. 
I primarily use SSH (Secure Shell) to connect servers.
• SSH (Secure Shell) is a widely used application for securely connecting to servers

• Other applications like PuTTY, OpenSSH, and WinSCP can also be used for server connections
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Q1. Hiring manager will brief about jd and ask questions based on related job and you are working
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Q2. Do you vulnerability management?
Ans. 
Yes, I am experienced in vulnerability management.
• I have experience in identifying, prioritizing, and mitigating vulnerabilities in systems and networks.

• I am proficient in using vulnerability scanning tools such as Nessus, Qualys, and OpenVAS.

• I have implemented patch management processes to address vulnerabilities in a timely manner.

• I have conducted vulnerability assessments and penetration testing to identify weakness...read more
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Q3. You worked applications were connected or disconnected one?
Ans. 
I have experience working with both connected and disconnected applications.
• I have experience developing applications that can function both online and offline.

• I have worked on projects where data synchronization is crucial for seamless user experience.

• Examples include mobile apps that can work offline and sync data when connected to the internet.
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Q4. Have you taken care of Authorization part?
Ans. 
Yes, I have experience in taking care of the Authorization part in various projects.
• Implemented role-based access control (RBAC) to manage user permissions

• Configured and managed authentication protocols such as OAuth and SAML

• Worked on setting up access control lists (ACLs) for network security

• Experience with managing user roles and permissions in Active Directory

• Utilized single sign-on (SSO) solutions for seamless user
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Q1. Tell me about yourself
Ans. 
I am a dedicated and hardworking individual with a passion for helping others and a strong background in customer service.
• Customer service experience in retail and hospitality industries

• Strong communication and problem-solving skills

• Passionate about making a positive impact in the community
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Q2. What is your greatest strength
Ans. 
My greatest strength is my ability to adapt to new situations and learn quickly.
• Quick learner

• Adaptable to change

• Problem solver

• Strong work ethic
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Q1. Tell me about yourself
Ans. 
I am a dedicated and hardworking individual with a passion for learning and helping others.
• I have a background in marketing and have worked in the industry for 5 years.

• I am currently pursuing a degree in psychology to further my understanding of human behavior.

• I enjoy volunteering at local shelters and organizing community events.

• I am fluent in Spanish and have traveled to several Spanish-speaking countries.
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Q2. What is your greatest weakness
Ans. 
My greatest weakness is that I tend to be overly critical of my own work, which can sometimes lead to self-doubt.
• I have a tendency to overanalyze my work and focus on minor details

• I often struggle with feeling like my work is never good enough

• I have difficulty accepting praise or recognition for my accomplishments
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Q1. Feafeafgeg geage
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Q2. G eg rg r
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Java coding questions, basic Java questions.

Q1. Java basics questions.
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Q2. Live coding.
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Q1. Discussion on previous experience and projects.
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Q2. System design question
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Q1. Questions on SQL, Java advanced, personal projects, Java frameworks, UI based questions, Agile methodologies.
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Q2. Interview discussion with the whole team.
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Q1. Benefits discussion.
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Q2. Salary discussion.
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Q1. Tell me something about yourself
Ans. 
I am a passionate Java developer with 5 years of experience in building scalable and efficient applications.
• 5 years of experience in Java development

• Strong knowledge of object-oriented programming

• Experience in building scalable and efficient applications

• Familiarity with various Java frameworks like Spring and Hibernate
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Q2. What is java and explain its features
Ans. 
Java is a high-level programming language known for its platform independence and object-oriented features.
• Java is platform-independent, meaning it can run on any device with a Java Virtual Machine (JVM)

• It is object-oriented, allowing for modular and reusable code

• Java is known for its robust standard library, providing a wide range of pre-built functionality

• It supports multithreading, allowing for concurrent execution ...read more
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Q3. What is the oops concepts
Ans. 
Object-oriented programming concepts that focus on classes and objects, encapsulation, inheritance, and polymorphism.
• Encapsulation: Bundling data and methods that operate on the data into a single unit (class).

• Inheritance: Ability of a class to inherit properties and behavior from another class.

• Polymorphism: Ability to present the same interface for different data types.

• Abstraction: Hiding the implementation details an...read more
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It consist of 4 DSA ques and few quiz and opps concept based ques
1st was string based Medium level ques.
2nd was a ques based on 2 pointer
And other 2 was from Vector and Linked list easy ques

Q1. It was stock buy and sell ques on leetcode where we need to find Max profit and what day to buy and sell
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Q2. 2d array ques to print natural numbers in spiral form
Ans. 
Print natural numbers in spiral form using a 2D array.
• Create a 2D array with dimensions n x n.

• Initialize variables for row and column boundaries.

• Iterate through the array in a spiral pattern, filling in natural numbers.
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Q3. Hard level linked list ques
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