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California Software Interview Questions and Answers
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Anonymous
Selected
I was interviewed in Feb 2025.
If you're asked, "Can you provide details for the assessment?", the answer depends on the context.
For a Job Interview Assessment at Wipro:
"The assessment typically includes sections on aptitude (quantitative, logical reasoning, verbal ability), coding (for technical roles), and sometimes an essay or business communication test. The coding section usually involves problem-solving in languages like Python, Java, or C++. The difficulty level varies based on the role, and candidates are evaluated on accuracy, efficiency, and problem-solving skills."
For an Employee Performance Assessment:
"The assessment process at Wipro evaluates employees based on key performance indicators (KPIs), project contributions, skill development, and feedback from peers and managers. It helps in career growth, identifying training needs, and aligning with organizational goals."
If you need specific details about an assessment you are preparing for, let me know!
If you're asked, "Details of the coding?" in the context of a Wipro assessment or interview, here’s a structured response:
For Wipro’s Hiring Assessment (Elite NTH, Turbo, etc.):
"The coding section typically includes two to three problems that test algorithmic thinking, data structures, and problem-solving skills. The difficulty ranges from easy to medium-hard, covering topics such as arrays, strings, recursion, dynamic programming, and sorting algorithms. Candidates are expected to write optimized and error-free code in languages like Python, Java, C, or C++. The evaluation is based on correctness, efficiency, and execution time."
For Wipro’s Internal Coding Assessments or Training:
"Wipro conducts periodic coding assessments to upskill employees. These may include competitive programming challenges, hackathons, and hands-on projects covering real-world problem-solving, automation, and software development best practices."
Would you like specific coding questions or topics to prepare for?
(5 Questions)
- Q1. Tell me about yourself??
- Q2. What do you know about wipro?
- Q3. Why do you want to work at Wipro?
- Q4. What are your strengths and weakness?
- Q5. Where do you see yourself in two years?
The Aptitude Test in Wipro's hiring process assesses a candidate's problem-solving abilities, logical reasoning, and numerical proficiency. While specific answers depend on the given test, the assessment typically includes:
1. Quantitative Aptitude:
Topics: Arithmetic (percentages, profit & loss, time & work), algebra, number series, and probability.
Approach: Focus on accuracy and time management, as these sections often have a time limit.
2. Logical Reasoning:
Topics: Patterns, seating arrangements, syllogisms, blood relations, and data interpretation.
Approach: Use logical deduction and elimination techniques to enhance efficiency.
3. Verbal Ability:
Topics: Reading comprehension, sentence correction, synonyms/antonyms, and para jumbles.
Approach: Improve vocabulary and practice grammar rules for better accuracy.
As the specific test questions vary, preparation through mock tests and previous Wipro placement papers is advisable. Would you like recommendations for resources to practice?
(15 Questions)
- Q1. Self introduction and questions related to my project
- Q2. What are joins in SQL, and can you provide examples of their usage?
- Q3. What are the built-in functions available in SQL?
- Q4. What are the different types of cursors in database management systems?
- Q5. What is the difference between procedures and functions in programming?
- Q6. What is the query to print the third highest salary from the given table?
- Q7. What is a package, and how do you utilize it in your project?
- Q8. Can you describe two complex JIRA issues you have worked on?
- Q9. What are the different types of indexes?
- Q10. What are analytical functions in sql?
- Q11. What are aggregate functions in SQL?
- Q12. How did you handle performance tuning in your project?
- Q13. What is data modeling?
- Q14. What steps did you take to perform root cause analysis in your project?
- Q15. What is a trigger in database management, and what are its different types?
Selected
I was interviewed in Jan 2025.
The exam consists of seven sections, and the cutoff score is quite high; it is essential to complete the exam thoroughly.
(5 Questions)
- Q1. Can you tell me about yourself?
- Q2. Can you provide details about your internship experience?
- Ans.
I completed a 6-month internship at a tech company, where I worked on network infrastructure projects.
Assisted in setting up and configuring network devices such as routers and switches
Troubleshooted network issues and implemented solutions
Collaborated with team members on various IT projects
Participated in meetings with clients to discuss project requirements
- Q3. Given a puzzle to solve
- Q4. What can you tell me about your major projects?
- Ans.
I have worked on various major projects including designing and implementing network infrastructure, developing automation scripts, and optimizing system performance.
Designed and implemented a new network infrastructure for a large company, improving network speed and reliability
Developed automation scripts to streamline system monitoring and maintenance tasks, saving time and reducing errors
Optimized system performanc...
- Q5. What is the latest news you have heard regarding technology?
- Ans.
The latest news I heard regarding technology is the release of the new iPhone 13 with improved camera features.
Apple recently announced the release of the iPhone 13 series with upgraded camera capabilities.
The new iPhone 13 models come with improved low-light performance and cinematic mode for videos.
Apple also introduced the A15 Bionic chip for enhanced performance and battery life.
Interview Preparation Tips
I was interviewed in Sep 2024.
An aptitude test evaluates an individual's potential to excel in a specific area by assessing their strengths and weaknesses in particular abilities.
An assessment that measures an individual's inherent abilities and potential for success in a specific activity.
A coding test is a programming assessment designed to evaluate a candidate's coding skills. It is a standard component of the technical hiring process for software developers and programmers.
Assessment that evaluates a candidate's coding skills
Group discussion (GD) topics for interviews may cover areas such as business, social issues, and current affairs. GDs serve to evaluate a candidate's communication, leadership, and teamwork abilities.
Discussion assignments are prompts that your teacher may assign to you. By participating in these discussions, you can reflect on your learning, share ideas and opinions, or ask and answer questions. Discussions may require you to respond to individual questions or provide multiple responses to an ongoing conversation.
Interview Preparation Tips
Research
Know your goals: Consider your values, strengths, and ideal work environment.
Research the company: Anticipate common interview questions.
Prepare your resume
Tailor your resume: Customize your resume for each job application.
Highlight your skills: Highlight how your skills and experience match the job description.
Use keywords: Use relevant keywords in your resume and cover letter.
Prepare for interviews
Prepare your answers: Use the STAR method to prepare your answers.
Research the company: Anticipate common interview questions.
Network
Expand your professional network: You may find that more people can recommend you to a new position.
Use your professional network: You can use your network for career advice.
Other tips Don't limit your search to online resources, Optimize your LinkedIn profile, Use several job-search websites, Keep your resume up-to-date, and Develop your interview skills.
(2 Questions)
- Q1. Azure cloud platform tech
- Q2. Informatica tech stack ques
(2 Questions)
- Q1. Adf tech stack que
- Q2. Scd type 2 implementation
- Ans.
SCD Type 2 implementation involves tracking historical changes in data by creating new records for each change.
Identify the columns that need to be tracked for changes
Add effective start and end dates to track the validity of each record
Insert new records for changes and update end dates for previous records
Maintain a surrogate key to uniquely identify each version of the record
(2 Questions)
- Q1. Dw related que ans
- Q2. Solution design related que
(2 Questions)
- Q1. Aspiration from my end
- Q2. How soon can join
- Ans.
I can join the team within 2 weeks.
I can start within 2 weeks of receiving the offer.
I need to give notice to my current employer.
I may need to relocate, which could affect my start date.
Interview Preparation Tips
Then after putting my lot of time and efforts when finally it comes to release the offer, then they stop picking up the calls and stop responding and the final excuses which I got from them for not releasing the offer is that their software will not allow them to release any offer which is more that 2 days of joining.
Such a pathetic company who even don't know that atleast if you are not releasing the offer, it's your duty to atleast tell the person that either they are not able to provide the compensation as discussed or they are looking parallelly for someone who can settle in less compensation.
Due to all this I have wasted almost my 3-4 weeks of time expecting that I will receive the offer, and didn't focus on other organisations which was ready to provide slightly lower than this.
Hence it's a total scam which is going here suggesting not to get trapped otherwise you will not only waste your time but also other good opportunities as well.
It's a total boycott for me, expecting the same from your end as well, so that they will understand that playing with someone's job is not a joke.
Skills evaluated in this interview
Selected
I was interviewed in Jan 2025.
(5 Questions)
- Q1. What is the architecture of the Java Virtual Machine (JVM)?
- Ans.
The Java Virtual Machine (JVM) is an abstract computing machine that enables a computer to run Java programs.
JVM is platform-independent and converts Java bytecode into machine code.
It consists of class loader, runtime data areas, execution engine, and native method interface.
JVM memory is divided into method area, heap, stack, and PC register.
Examples of JVM implementations include Oracle HotSpot, OpenJ9, and GraalVM.
- Q2. What is the default connection pooling in Spring Boot, and how can it be customized?
- Ans.
The default connection pooling in Spring Boot is HikariCP, which can be customized through properties in the application.properties file.
HikariCP is the default connection pooling library in Spring Boot, known for its high performance and low overhead.
To customize the connection pooling, you can modify properties like 'spring.datasource.hikari.*' in the application.properties file.
For example, you can set maximum pool ...
- Q3. What are the best practices for optimizing a Spring Boot application?
- Ans.
Best practices for optimizing a Spring Boot application
Use Spring Boot Actuator to monitor and manage application performance
Implement caching mechanisms like Spring Cache to reduce database calls
Optimize database queries and indexes for better performance
Use asynchronous processing with Spring's @Async annotation for non-blocking operations
Profile and analyze application performance using tools like VisualVM or JProfi
- Q4. What is a heap dump, and how can it be used to identify memory leaks?
- Ans.
A heap dump is a snapshot of the memory usage of a Java application at a specific point in time.
Heap dumps can be generated using tools like jmap or VisualVM.
They provide detailed information about objects in memory, their sizes, and references.
Analyzing a heap dump can help identify memory leaks by pinpointing objects that are consuming excessive memory.
Common signs of memory leaks in a heap dump include a large numbe...
- Q5. How can you diagonally iterate through and print the elements of a 2D array?program
- Ans.
Diagonally iterate through and print elements of a 2D array of strings.
Use nested loops to iterate through rows and columns of the 2D array.
Calculate the diagonal elements by incrementing row and column indices together.
Print the elements as you iterate through the diagonal of the array.
I was interviewed in Feb 2025.
(6 Questions)
- Q1. Tell me about your experience
- Q2. What is ETL and its architecture
- Q3. What is difference between delete and drop
- Q4. What are different joins and explain the query for join
- Q5. What is dwh and Data Mart
- Q6. What is Primary key and foreign key.guve me example of same in your current project
(2 Questions)
- Q1. What is the agile methodology?
- Q2. What is the waterfall model in software development?
Interview Preparation Tips
Python Software Developer Interview Questions & Answers
Infosys
Prerana Vijay Bendale
posted on 3 Mar 2025
(2 Questions)
- Q1. What is paython
- Q2. What is oops concepts
Aptitude test questions
(2 Questions)
- Q1. What is machine learning
- Q2. Machine learning example
Aptitude test questions
(2 Questions)
- Q1. What is artificial intelligence
- Q2. Type of artificial intelligence
Selected
I was interviewed in Jan 2025.
(14 Questions)
- Q1. Queries on joins using inner join, left join, right join, outer join
- Q2. What are the definitions of case and decode, what are the differences between them, and can you explain the logic for each?
- Ans.
Case and decode are conditional expressions in PL/SQL used for data manipulation.
CASE is used for conditional logic in SQL statements, while DECODE is used for conditional logic in SELECT statements.
CASE is more flexible and can handle multiple conditions, while DECODE is limited to one condition.
CASE can be used in both SQL and PL/SQL, while DECODE is specific to SQL.
Example of CASE: SELECT CASE WHEN condition1 THEN r...
- Q3. What are the primary key and foreign key in database design, and can you provide examples of each?
- Ans.
Primary key uniquely identifies each record in a table, while foreign key establishes a link between two tables.
Primary key ensures uniqueness and cannot have null values
Foreign key establishes a relationship between tables based on the primary key of another table
Example of primary key: EmployeeID in an Employee table
Example of foreign key: DepartmentID in an Employee table linking to DepartmentID in a Department tabl
- Q4. What are the differences between Rank and Dense Rank in SQL?
- Ans.
Rank assigns unique ranks to each distinct row, while Dense Rank assigns consecutive ranks without gaps.
Rank may have gaps in the ranking sequence, while Dense Rank does not.
Rank assigns the same rank to rows with the same values, while Dense Rank assigns different ranks.
Rank function is non-consecutive, while Dense Rank function is consecutive.
- Q5. What is the difference between procedures and functions?
- Ans.
Procedures are used to perform an action, while functions return a value.
Procedures do not return a value, while functions do.
Functions can be called from SQL queries, while procedures cannot.
Functions must return a value, while procedures do not necessarily have to.
- Q6. Is it possible to use a package body without a package specification?
- Ans.
No, a package body cannot be used without a package specification.
A package body must always be associated with a package specification.
The package specification defines the public interface of the package, while the package body contains the implementation details.
Attempting to use a package body without a corresponding package specification will result in compilation errors.
- Q7. What is a SQL query that can be used to find duplicate values in a database?
- Ans.
Use a SQL query with GROUP BY and HAVING clause to find duplicate values in a database.
Use GROUP BY clause to group the values that are duplicated.
Use HAVING clause to filter out the groups that have more than one occurrence.
Example: SELECT column_name, COUNT(*) FROM table_name GROUP BY column_name HAVING COUNT(*) > 1;
- Q8. Queries using group by and having clause
- Ans.
Group by and having clause are used together to filter groups based on specified conditions.
Group by clause is used to group rows that have the same values into summary rows.
Having clause is used to filter groups based on specified conditions.
Example: SELECT department, AVG(salary) FROM employees GROUP BY department HAVING AVG(salary) > 5000;
- Q9. What are the definitions of the Substr and Instr functions?
- Ans.
Substr function extracts a substring from a string, while Instr function returns the position of a substring within a string.
Substr function syntax: SUBSTR(string, start_position, length)
Example: SUBSTR('Hello World', 7, 5) will return 'World'
Instr function syntax: INSTR(string, substring)
Example: INSTR('Hello World', 'World') will return 7
- Q10. What is the process for writing a SQL query that includes a subquery?
- Ans.
Writing a SQL query with a subquery involves nesting one query inside another to retrieve specific data.
Start by writing the main query that will retrieve the primary data
Identify the criteria for the subquery to filter the results
Enclose the subquery within parentheses and use it in the WHERE or FROM clause of the main query
Ensure that the subquery returns a single value or a single column result
- Q11. What is the difference between char, varchar, and varchar2 data types?
- Ans.
Char is fixed length, varchar is variable length with max 4000 bytes, varchar2 is variable length with max 32767 bytes.
Char is fixed length and always right-padded with spaces, while varchar and varchar2 are variable length.
Varchar can store up to 4000 bytes of data, while varchar2 can store up to 32767 bytes.
Char is less efficient in terms of storage compared to varchar and varchar2.
- Q12. Queries using Trunc and round
- Q13. Is it possible to combine two tables with differing data and columns without utilizing joins?
- Ans.
No, it is not possible to combine two tables with differing data and columns without utilizing joins.
Joins are necessary to combine tables based on a common column or key.
Different data and columns require a join to match and merge the data properly.
Examples of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN.
- Q14. Is it possible to update data in a view?
- Ans.
Yes, it is possible to update data in a view using INSTEAD OF triggers.
Views are virtual tables that display data from one or more tables.
By using INSTEAD OF triggers, you can update data in a view by specifying the logic to handle the update operation.
The trigger intercepts the update operation on the view and executes the specified logic to update the underlying tables.
For example, you can create an INSTEAD OF trigge...
(6 Questions)
- Q1. Can you describe yourself and provide details about your project, including the brief questions that were asked about it?
- Q2. Why TCS?
- Ans.
TCS is a global IT services company known for its innovative solutions and commitment to employee growth.
TCS has a strong reputation in the IT industry for delivering high-quality services.
TCS offers opportunities for professional growth and development through training programs and career advancement.
TCS has a diverse and inclusive work culture that values teamwork and collaboration.
- Q3. What is a dynamic cursor in database management?
- Ans.
A dynamic cursor in database management allows for the execution of different SQL queries at runtime.
Dynamic cursors are used when the SQL query to be executed is not known until runtime.
They allow for flexibility in querying the database based on user input or other conditions.
Dynamic cursors can be used to handle varying result sets or conditions in a more efficient manner.
Example: Using a dynamic cursor to search fo...
- Q4. Did you perform performance tuning, and if so, what steps did you take?
- Ans.
Yes, I have performed performance tuning by identifying bottlenecks and optimizing queries.
Identified slow queries using tools like SQL Trace, Explain Plan, and AWR reports.
Optimized queries by adding indexes, rewriting SQL statements, and reducing unnecessary data retrieval.
Tuned PL/SQL code by using bulk processing, minimizing context switches, and optimizing loops.
Utilized database features like partitioning and mat
- Q5. What is the definition of a package, and is it possible to use a package body without a package specification?
- Ans.
A package in PL/SQL is a collection of related procedures, functions, variables, and other constructs.
A package consists of two parts: package specification and package body.
The package specification defines the public interface of the package, including declarations of variables, constants, cursors, procedures, and functions.
The package body contains the actual implementation of the procedures and functions declared i...
- Q6. I got more questions from my project related
(6 Questions)
- Q1. What are your reasons for wanting to join TCS?
- Ans.
I am excited about the opportunity to work with a global leader like TCS and contribute to innovative projects.
TCS is a renowned global company with a strong reputation in the IT industry
I am impressed by TCS's commitment to innovation and cutting-edge technology
I believe TCS offers great opportunities for professional growth and development
I am excited about the chance to work on diverse and challenging projects at TC
- Q2. What is your current salary package?
- Ans.
I prefer to discuss my salary expectations based on the responsibilities and requirements of the position.
Focus on discussing salary expectations based on the job responsibilities and requirements.
Avoid disclosing specific current salary package.
Emphasize the importance of fair compensation based on market rates and skills.
Provide examples of successful projects or achievements that demonstrate your value.
Discuss oppor...
- Q3. What is your expected salary package?
- Ans.
I am looking for a competitive salary package based on my experience and skills.
I am open to discussing salary based on the responsibilities and requirements of the role.
I have researched the average salary range for Plsql Developers in this location.
I am looking for a package that includes benefits such as healthcare, retirement plans, and professional development opportunities.
- Q4. Are you comfortable with shift work?
- Ans.
Yes, I am comfortable with shift work and have experience working various shifts.
I have previous experience working different shifts in my current/previous roles.
I am flexible with my schedule and can easily adapt to changing shift patterns.
I understand the importance of shift work in ensuring 24/7 coverage for critical systems.
- Q5. Are you ok with any location
- Ans.
Yes, I am open to any location for the Plsql Developer position.
I am willing to relocate for the right opportunity
I am open to working in different cities or countries
I am flexible with travel requirements for the job
- Q6. Holding any other offers in hand
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