LambdaTest Member Technical Staff Interview Questions and Answers

Q1. What is digital signature
Ans. 
A digital signature is a mathematical technique used to verify the authenticity and integrity of a digital document or message.
• It is a type of electronic signature that uses encryption to ensure the validity of a document or message.

• It provides a way to verify the identity of the signer and detect any changes made to the document or message.

• Digital signatures are commonly used in e-commerce, online contracts, and other...read more
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Q1. How to print numbers 1-100 using two go routines sequentially
Ans. 
Use two go routines to print numbers 1-100 sequentially
• Create two go routines, one for printing odd numbers and one for printing even numbers

• Use channels to synchronize the two go routines and ensure sequential printing

• Start the odd number go routine first, then start the even number go routine
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Q2. How to write generator functions using go language
Ans. 
Generator functions in Go language allow for efficient iteration over a sequence of values.
• Use the 'yield' keyword to return values one at a time from the generator function.

• Generator functions are defined with a 'func' keyword followed by the function name and 'chan' keyword.

• Example: func myGenerator() chan int { }

• Use a 'for' loop to iterate over the values returned by the generator function.
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Q1. Why do we use sync.Cond and sync.once
Ans. 
sync.Cond is used for signaling between goroutines and sync.Once is used for running initialization code only once.
• sync.Cond is used for goroutines to wait for or signal each other when a certain condition is met

• sync.Once is used to ensure a function is only executed once, typically used for initialization tasks

• Example: Using sync.Cond to coordinate multiple goroutines accessing a shared resource

• Example: Using sync.Onc...read more
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Q2. Understanding about reflect package
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Q1. Technology related question on basics if API
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Q1. Manager level discussion - Technologies and Frameworks
Ans. Framework Structure overview and Technologies usage over the experience
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Q1. Client Interview - Technologies and Frameworks
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Q2. Framework explanation and Technologies usage
Ans. 
Frameworks are tools that provide structure and guidelines for developing software applications. Technologies are the specific tools and languages used in development.
• Frameworks like Angular, React, and Spring provide pre-built components and architecture for web development.

• Technologies like HTML, CSS, JavaScript, Java, and SQL are commonly used in software development.

• Choosing the right framework and technologies dep...read more
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Q1. Technical round
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Q1. Salary discussion
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Q1. All about functional testing
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Q2. All about basic SQL, and testing methodologies
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Q1. Manager round. al about the management queries,
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Q1. Behavoural and CTC discussion
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Different logical reasoning question over the round

Different dsa question over topics array ,string etc

Q1. Tell me about yourself
Ans. 
I am a dedicated and hardworking individual with a passion for learning and growth.
• I have a Bachelor's degree in Business Administration

• I have 3 years of experience in marketing and sales

• I am proficient in Microsoft Office Suite and social media marketing

• I am a team player and enjoy collaborating with others to achieve goals
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Q2. Tell me your strength
Ans. 
My strength lies in my ability to effectively communicate and collaborate with team members to achieve common goals.
• Strong communication skills - able to clearly convey ideas and information

• Collaborative nature - work well with others to problem solve and innovate

• Adaptability - able to adjust to changing circumstances and priorities

• Leadership skills - able to motivate and inspire team members towards success
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Q1. Tell me about yourself
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I am a dedicated and hardworking individual with a passion for learning and growth.
• I have a strong work ethic and always strive to exceed expectations

• I am a quick learner and adapt well to new environments

• I have experience in project management and team collaboration
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Q2. Tell me your strength
Ans. 
My strength lies in my ability to effectively communicate and collaborate with team members to achieve common goals.
• Strong communication skills

• Collaborative mindset

• Ability to work well in a team

• Problem-solving skills

• Leadership qualities
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