TELUS Digital Senior Software Test Engineer Interview Questions and Answers

OOPS, Data Structures, Algorithms

Q1. Design Patterns used in the project?
Ans. 
Singleton, Factory, Observer, Strategy patterns were used in the project.
• Singleton pattern was used to ensure only one instance of a class is created.

• Factory pattern was used to create objects without specifying the exact class of object that will be created.

• Observer pattern was used to define a one-to-many dependency between objects.

• Strategy pattern was used to define a family of algorithms, encapsulate each one, and
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Q2. Optimization of a Web API
Ans. 
Optimizing a Web API involves improving performance, scalability, and efficiency.
• Identify and eliminate bottlenecks in the API code

• Implement caching mechanisms to reduce response times

• Use asynchronous processing to handle concurrent requests efficiently

• Optimize database queries to improve data retrieval speed

• Minimize network latency by using content delivery networks (CDNs)

• Implement rate limiting and throttling to prev
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Q1. Project Scneario based quesion on what are steps taken when we encounter an issue in production?
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Q2. Steps in implementing requirement from business to development.
Ans. 
Steps in implementing requirement from business to development involve analysis, design, implementation, testing, and deployment.
• Analyze the business requirement to understand the scope and impact on the system

• Design a solution that meets the business requirement and aligns with the existing system architecture

• Implement the solution by writing code and integrating it with other components

• Test the implemented solution t...read more
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Q1. Types of mobile app
Ans. 
Types of mobile apps include native apps, web apps, and hybrid apps.
• Native apps are developed for a specific platform using the platform's SDK (e.g. iOS apps written in Swift or Objective-C).

• Web apps are accessed through a web browser and do not need to be downloaded from an app store (e.g. responsive websites).

• Hybrid apps combine elements of both native and web apps, allowing for cross-platform compatibility (e.g. app...read more
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Q2. Types of testing
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Types of testing include unit testing, integration testing, system testing, acceptance testing, and regression testing.
• Unit testing: Testing individual components or modules of the software.

• Integration testing: Testing how different modules work together.

• System testing: Testing the entire system as a whole.

• Acceptance testing: Testing to ensure the software meets the requirements of the end users.

• Regression testing: Tes...read more
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Q3. Diff between smoke and sanity testing
Ans. 
Smoke testing is a subset of regression testing, focusing on basic functionality, while sanity testing is a subset of acceptance testing, focusing on specific areas.
• Smoke testing is done to check if the software build is stable enough for further testing.

• Sanity testing is done to check if specific functionalities are working as expected after changes.

• Smoke testing is usually automated and performed early in the develop...read more
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Q1. -OOPS Concept -Selenium Concepts- Select, Action, Alert , Windows -SQL -API
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Q1. Basic related to projects and Agile Methodology
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Q1. Automation testing
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Q2. Selenium questions
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Q1. What is your preferred Job Location
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Q2. Role and responsibilities
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Q3. Salary negotiation
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Q1. Good experience
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Q2. Selenium waits, framework design,testing annotations
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Q1. Oops Concept Selenium Program using String & List
Ans. 
Using Oops concept in Selenium program with String and List
• Create a class for Selenium test with methods for testing

• Use String variables for input data and List for storing test results

• Implement methods for test cases using Oops concepts like inheritance and polymorphism
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