Synechron Senior Engineer Interview Questions and Answers

Q1. Angular life cycle
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Q2. NgRX state management
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Q3. Let var const difference, this keyword
Ans. 
var, let, const are used to declare variables in JavaScript. 'this' keyword refers to the current object.
• var is function-scoped, let is block-scoped, const is block-scoped and cannot be reassigned

• 'this' keyword refers to the current object in which it is used

• Example: var x = 10; let y = 20; const z = 30; this.name = 'John';
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Q1. Interviewer asked the google questions as he is not even aware of my profile , he wanted mw to answer the same and asked few question which is irrelevant to jd
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Q2. Finally after 30 min of interview received a rejection mail after 5 min
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Q1. What is impact analysis
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Impact analysis is the process of assessing the potential effects of a change or action on a system or project.
• Identifying the scope of the change and its potential impacts on various components of the system

• Evaluating the risks and benefits associated with the change

• Determining the resources and effort required to implement the change

• Assessing the dependencies and constraints that may affect the change

• Example: Conduct...read more
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Q2. What is Bug life cycle
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Bug life cycle is the process of a bug from identification to resolution in software development.
• Bug is identified by testers or users

• Bug is reported in a bug tracking system

• Bug is assigned to a developer

• Developer fixes the bug

• Bug is retested by testers

• If bug is fixed, it is closed. If not, it is reopened

• Bug may go through multiple cycles before resolution
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Q1. How do you handle team
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I handle teams by fostering open communication, setting clear goals, providing support, and promoting collaboration.
• Foster open communication within the team to ensure everyone is on the same page

• Set clear goals and expectations to guide the team towards success

• Provide support and resources to help team members overcome challenges

• Promote collaboration and teamwork to leverage the strengths of each team member

• Lead by ex...read more
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Q2. What are the sprint ceremonies
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Sprint ceremonies are regular meetings held during a sprint in Agile methodology to plan, review, and improve the team's work.
• Sprint Planning: At the beginning of the sprint, the team plans the work to be done.

• Daily Standup: Daily check-in meetings to discuss progress, challenges, and plans for the day.

• Sprint Review: Meeting at the end of the sprint to demonstrate completed work to stakeholders.

• Sprint Retrospective: Re...read more
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Q1. Python related libraries and SQL
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Q1. Coding on java 8 streams API
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Q1. ServiceNow basic QU
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Q1. CAD QUestion about serviecnow
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Q1. Basic question and sal discussion and project discussion
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1st round was consist of mcq questions the difficulty level was moderate to hard.

Q1. Reverse a String using Array
Ans. 
Reverse a string using array of characters
• Create an array of characters from the input string

• Use two pointers to swap characters at opposite ends of the array until they meet

• Join the characters in the array to form the reversed string
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Q2. Microservices vs Monilith
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Microservices allow for modular, independent services while monolith is a single, cohesive unit.
• Microservices promote scalability and flexibility

• Monoliths are easier to develop and deploy initially

• Microservices can lead to more complex infrastructure and communication between services

• Monoliths can become difficult to maintain and scale as they grow

• Examples: Netflix uses microservices for their streaming platform, while...read more
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Q3. SQL query to get 3 max salary by group
Ans. 
SQL query to get 3 max salary by group
• Use the RANK() function to rank the salaries within each group

• Filter the results to only include rows where the rank is less than or equal to 3

• Order the results by group and salary in descending order
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Q4. CI CD process followed in last project
Ans. 
Implemented CI/CD process using Jenkins for automated builds, tests, and deployments.
• Utilized Jenkins for continuous integration and continuous deployment

• Automated build process triggered by code commits to version control

• Implemented automated testing to ensure code quality

• Deployed code to different environments based on predefined pipelines
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Q5. Major changes in Spring boot 3
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Major changes in Spring Boot 3 include support for Java 17, improved performance, and enhanced security features.
• Support for Java 17

• Improved performance optimizations

• Enhanced security features such as OAuth 2.1 support

• Updated dependencies and libraries
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