Citicorp Interview Questions, Process, and Tips

Q1. Veritas cluster questions
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Q2. /boot full, what steps do you take
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The assessment consisted of two moderate-level questions related to data structures and algorithms, focusing on strings and 2D arrays, within a time frame of 45 minutes. In the web development section, there were 15 questions each from React and Angular.

Q1. What is object-oriented programming (OOP), and can you explain the concepts of shallow copy and deep copy? Additionally, what technology stack would you choose for a project, and what are the reasons behin...read more
Ans. 
OOP is a programming paradigm based on the concept of objects, with shallow copy creating a new object with references to the original, and deep copy creating a new object with copies of the original's values.
• OOP is a programming paradigm that focuses on objects and classes.

• Shallow copy creates a new object that references the original object's data.

• Deep copy creates a new object with copies of the original object's da...read more
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Q2. What are the features of the project?
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The project features include real-time data processing, machine learning algorithms, and user-friendly interface.
• Real-time data processing for instant updates

• Machine learning algorithms for predictive analysis

• User-friendly interface for easy navigation
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Q1. What is difference between join and merge?
Ans. 
Join is used in SQL to combine rows from two or more tables based on a related column, while merge is used in data manipulation tools like pandas to combine data frames based on common columns.
• Join is typically used in SQL queries to combine rows from two or more tables based on a related column

• Merge is used in data manipulation tools like pandas to combine data frames based on common columns

• Join can be inner, outer, l...read more
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Q2. What is left join?
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Left join is a type of join operation in SQL that returns all rows from the left table and the matched rows from the right table.
• Left join combines rows from two tables based on a related column between them.

• If there is no match for a row in the right table, NULL values are used for the columns from the right table.

• Example: SELECT * FROM table1 LEFT JOIN table2 ON table1.id = table2.id;
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Q1. Why do you want to move to Citi?
Ans. 
I want to move to Citi because of its reputation for innovation and global presence.
• Citi is known for its cutting-edge technology and data analytics, which aligns with my skills and interests.

• I am excited about the opportunity to work in a diverse and dynamic environment at Citi.

• Citi's global presence offers the chance to work on a wide range of projects and collaborate with colleagues from around the world.
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Q2. What is expected CTC?
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Expected CTC is negotiable based on candidate's experience, skills, and the company's budget.
• Expected CTC depends on the candidate's level of experience and skills.

• It also depends on the company's budget and industry standards.

• Negotiation is common during the offer stage to reach a mutually agreeable CTC.

• Candidates can research average salaries for similar roles to have an idea of what to expect.
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Q1. What challenges did you overcome in your last company?
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I overcame challenges related to data accuracy and communication in my previous company.
• Implemented new data validation processes to improve accuracy

• Improved communication between departments to streamline workflow

• Resolved discrepancies in risk assessment reports through thorough analysis
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Q2. Explain a challenge that you solved?
Ans. 
I successfully implemented a new risk assessment model for a financial institution.
• Identified limitations of current risk assessment model

• Researched and analyzed alternative models

• Collaborated with team to implement and test new model

• Monitored and adjusted model based on feedback and results
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Q1. How HashMap internally works in java ?
Ans. 
HashMap in Java is a data structure that stores key-value pairs and uses hashing to efficiently retrieve values.
• HashMap uses hashing to store and retrieve key-value pairs.

• It uses an array of linked lists to handle collisions.

• The key's hash code is used to determine the index in the array where the key-value pair will be stored.

• If two keys have the same hash code, they are stored in the same linked list.

• HashMap allows o...read more
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Q2. How HashSet internally works in java ?
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HashSet internally uses a HashMap to store elements as keys with a dummy value.
• HashSet uses a HashMap to store elements as keys with a dummy value

• It does not allow duplicate elements

• Elements are stored based on their hash code

• HashSet does not maintain insertion order
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Q1. What makes you a good candidate?
Ans. 
I am a good candidate because of my strong financial background, analytical skills, and ability to work well under pressure.
• Extensive experience in financial analysis and reporting

• Strong analytical skills to interpret data and make informed decisions

• Proven ability to work well under pressure and meet tight deadlines

• Excellent communication and interpersonal skills for building relationships with clients and colleagues
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Q1. What is IFRC and USGaap?
Ans. 
IFRC stands for International Financial Reporting Standards and USGaap stands for United States Generally Accepted Accounting Principles.
• IFRC is a set of accounting standards developed by the International Accounting Standards Board (IASB).

• USGaap is a set of accounting principles used in the United States for financial reporting.

• IFRC focuses on principles-based standards, while USGaap is more rules-based.

• IFRC is used i...read more
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Q1. Tell me about yourself
Ans. 
I am a dedicated IT Analyst with a strong background in troubleshooting, problem-solving, and project management.
• Experienced in analyzing complex technical issues and providing effective solutions

• Proficient in various programming languages such as Java, Python, and SQL

• Skilled in project management tools like Jira and Trello

• Strong communication skills and ability to work well in a team environment
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Q2. Can you keep working in 24*7 environment
Ans. 
Yes, I am comfortable working in a 24*7 environment and have experience doing so.
• I have previous experience working in a 24*7 environment and have successfully managed my work schedule.

• I am adaptable and can handle working during odd hours or on weekends if required.

• I understand the importance of being available round the clock in certain IT roles, especially for critical systems maintenance or support.

• I am willing to ...read more
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