Travel Food Services Ltd Softwaretest Engineer Interview Questions and Answers

Q1. Data structure and algorithm
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Q2. Some tricky logical question
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Q3. Stack and queue
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Q4. Some basic question about system Design
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Very hard both apti and coding question.

Q1. Design ER model.
Ans. 
ER model is a visual representation of entities and their relationships in a database.
• Identify entities and their attributes

• Define relationships between entities

• Specify primary keys for each entity

• Consider cardinality and constraints

• Use crow's foot notation for relationships
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Q2. Now implement in MySQL.
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Q1. What is gcd? And explain it
Ans. 
gcd stands for greatest common divisor, the largest positive integer that divides two or more numbers without leaving a remainder.
• gcd is used to find the largest integer that can evenly divide two or more numbers.

• It is commonly used in mathematics and computer science algorithms.

• For example, the gcd of 12 and 18 is 6, as 6 is the largest number that can divide both 12 and 18 without leaving a remainder.
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Q2. What is arc and explain it
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ARC stands for Automatic Reference Counting, a memory management technique used in programming languages like Objective-C and Swift.
• ARC automatically tracks and manages the memory used by objects in a program

• It increases the retain count of an object when it is referenced and decreases it when it is no longer needed

• ARC helps prevent memory leaks and retain cycles in iOS and macOS development
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Q1. Software development lifecycle
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Software development lifecycle is a process of planning, designing, developing, testing, deploying, and maintaining software.
• It involves various stages such as planning, analysis, design, implementation, testing, deployment, and maintenance.

• Each stage has its own set of activities and deliverables.

• It helps in ensuring that the software is developed efficiently and meets the requirements of the stakeholders.

• It also help...read more
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Q2. App security & deployment in play store
Ans. 
App security is crucial for deployment in Play Store. Follow best practices to ensure secure deployment.
• Use HTTPS for all network communication

• Implement secure authentication and authorization mechanisms

• Regularly update and patch the app to fix security vulnerabilities

• Use code obfuscation and encryption to protect against reverse engineering

• Conduct regular security audits and penetration testing

• Follow Google Play Store
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Q1. Basic Php ,Oops
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Q1. Security questions
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