Anonymous Digital System Engineer Interview Questions and Answers

There were a total of seven sections: verbal ability, logical reasoning, arithmetic problems, verbal reasoning, puzzles, pseudocodes, and essay writing, with each section having its own cutoff scores.

Q1. What is the SQL query to retrieve the person with the highest salary?
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Q2. Can you describe the projects you have worked on?
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Q3. Write a query to merge 2 tables?
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Q4. Tell me about the internship that you have done?
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Q5. Behavioural questions
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Q1. Design patterns
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Q2. Sql interview questions
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Q1. Case study about the given requirement
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Q2. Springboot basic questions
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Q1. Explain lambda expression
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Lambda expression is a concise way to represent an anonymous function in programming languages.
• Lambda expressions are used to create functions without a name.

• They are often used in functional programming languages like Python and Java.

• Lambda expressions can take parameters and return a value.

• Example: (x, y) -> x + y is a lambda expression that takes two parameters and returns their sum.
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Q2. Why hibernate is better then jdbc
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Hibernate is better than JDBC due to its object-relational mapping capabilities, automatic table creation, and improved performance.
• Hibernate provides object-relational mapping (ORM) which simplifies database interactions by mapping Java objects to database tables, eliminating the need for manual SQL queries.

• Hibernate can automatically generate SQL queries based on the Java objects, reducing the amount of code that nee...read more
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Q1. Filter names from a list that starts with A
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Filter names starting with A from a list of strings
• Iterate through the list of strings

• Check if each string starts with 'A'

• Add the string to a new list if it starts with 'A'
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Q2. White query parameter and path variable
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Devlopment in working

Assignment in work based

Coading A re Working based

Q1. Who is technical problem?
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A technical problem is an issue or challenge related to the functionality or performance of a system or technology.
• Technical problems can arise from software bugs, hardware malfunctions, network issues, or compatibility issues.

• Identifying and troubleshooting technical problems often requires a systematic approach, such as using diagnostic tools or following a step-by-step process.

• Examples of technical problems include ...read more
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Q2. Computer technical problem
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Q3. Working technical
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Q4. Technical problem A re worked
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Q5. Always computer working time problem?
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Q6. Incomplete daily work on technical problem
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It was a good interview experience

Q1. Share some thing about your project
Ans. 
Designed and implemented a cloud-based monitoring system for a large-scale network infrastructure
• Utilized AWS services such as CloudWatch and Lambda functions

• Developed custom scripts for data collection and analysis

• Implemented real-time alerts and notifications for system administrators

• Improved system performance and reliability through proactive monitoring

• Collaborated with cross-functional teams to gather requirements
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Q2. Questions on core java
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Q1. What is hash technology?
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Hash technology is a method used to convert data into a fixed-size string of characters, typically used for data security and integrity.
• Hash technology uses algorithms to generate a unique fixed-size string of characters from input data.

• It is commonly used for data security, password storage, digital signatures, and data integrity verification.

• Examples of hash algorithms include MD5, SHA-1, and SHA-256.
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Q2. What is block chain?
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Blockchain is a decentralized, distributed ledger technology used to securely record transactions across multiple computers.
• Decentralized database

• Consensus mechanism

• Immutable record of transactions

• Cryptographic security

• Smart contracts

• Examples: Bitcoin, Ethereum
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Q3. What is DML?
Ans. 
DML stands for Data Manipulation Language, used to manage data in a database.
• DML is a subset of SQL (Structured Query Language) used to insert, update, delete, and retrieve data in a database.

• Examples of DML commands include INSERT, UPDATE, DELETE, and SELECT.

• DML is essential for managing and manipulating data within a database system.
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Q4. Convert binay to decimal and viceversa.
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Binary to decimal conversion involves multiplying each digit by 2 raised to the power of its position.
• To convert binary to decimal, start from the rightmost digit and multiply each digit by 2 raised to the power of its position.

• Add all the results together to get the decimal equivalent.

• For example, to convert binary 1011 to decimal: 1*2^3 + 0*2^2 + 1*2^1 + 1*2^0 = 11.
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Q5. Find max number in array?
Ans. 
Iterate through array and compare each element to find the maximum number.
• Iterate through the array using a loop.

• Compare each element to a variable storing the current maximum number.

• Update the variable if a larger number is found.

• Return the maximum number at the end.
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Q6. Write basic html , for inserting image and create table.
Ans. 
Basic HTML code for inserting image and creating a table
• Use <img> tag to insert an image with src attribute

• Use <table>, <tr>, <td> tags to create a table structure

• Specify image source and table content within respective tags
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Its very easy
Basic maths questions learned up to 10
Basic Apptitude questions

Q1. Tell me about your self Hi My name is Vikram Adithya I am an hard working and passionate engineering student currently perceiveing in gokaraju rangaraju institute of engineering and technology .I stay with...read more
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Q2. Intervier asked about what kind of problems did you solved in leetcode? I said palindrome factorial matrix multiplication etc . Intervier said every one can solve this
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Q3. He asked me about my project role i said I have done documentation in my project he said every one can do that
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Q4. He asked me to write project code
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Q5. He asked me any questions
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Q1. Recent challenges faced recent times
Ans. 
The recent challenges faced in the field of System Engineering include adapting to remote work, cybersecurity threats, and managing complex systems.
• Adapting to remote work due to the COVID-19 pandemic

• Increased cybersecurity threats and the need for enhanced security measures

• Managing complex systems with evolving technology and integration challenges
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Q2. How to troubleshoot DB errors
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Troubleshooting DB errors involves identifying the root cause, checking logs, verifying configurations, and testing queries.
• Identify the specific error message or behavior

• Check database logs for any relevant information

• Verify database configurations and settings

• Test the problematic queries to isolate the issue

• Consider recent changes or updates that may have caused the error
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Q3. How to troubleshoot performance related error
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To troubleshoot performance related errors, analyze system logs, check resource utilization, identify bottlenecks, and optimize configurations.
• Analyze system logs for any error messages or warnings related to performance issues

• Check resource utilization such as CPU, memory, disk, and network usage

• Identify bottlenecks in the system that may be causing performance degradation

• Optimize configurations such as adjusting sett...read more
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Q4. How to handle P1 tickets
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P1 tickets are high priority issues that require immediate attention and resolution.
• Acknowledge the ticket immediately to show the user that their issue is being addressed

• Assess the severity of the issue and prioritize accordingly

• Communicate with the user regularly to provide updates on the progress

• Involve necessary stakeholders or teams to expedite resolution

• Ensure proper documentation of the issue and resolution step
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