Cos Global Interview Questions and Answers

Mostly questions on logical aptitude

Q1. DSA questions. Reverse word of string, bubble sort, swap two variables without use of third variable
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Q2. OOPs concepts also some questions on project
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Q3. 1 puzzle (refer gfg)
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Q1. Why do you want to work at our company?
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Q2. What was the toughest challenge you have ever faced?
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Q1. What was the challenges that you faced during a delivery of a project.
Ans. 
Managing stakeholder expectations, resource constraints, and scope changes.
• Balancing stakeholder expectations with project constraints

• Dealing with resource limitations and competing priorities

• Managing scope changes and ensuring project stays on track

• Communicating effectively with team members and stakeholders

• Adapting to unexpected challenges and finding creative solutions
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Q1. What do you seek or looking out from us ?
Ans. 
I seek a supportive and collaborative work environment where I can utilize my project management skills to drive successful outcomes.
• Supportive team culture

• Collaborative work environment

• Opportunities for growth and development

• Clear communication channels

• Recognition for achievements
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Simple angular application testing CRUD operations

Q1. Lifecycles in Angular
Ans. 
Angular lifecycles are methods that are called at specific points during the life of a component or directive.
• Angular components have lifecycle hooks that allow you to tap into key moments in the component's lifecycle, such as creation, updates, and destruction.

• Some of the commonly used lifecycle hooks include ngOnInit, ngOnChanges, ngDoCheck, ngOnDestroy, etc.

• These lifecycle hooks can be used to perform tasks like ini...read more
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Q2. Services in Angular
Ans. 
Services in Angular are singleton objects that can be used to share data or functionality across different parts of an application.
• Services are used to encapsulate reusable functionality, such as data access or logging.

• Services are typically injected into components or other services using Angular's dependency injection system.

• Services can be used to communicate with backend APIs, manage state, or perform other tasks.

• E...read more
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Q3. Constructor vs ngOnInit
Ans. 
Constructor is a method used to create and initialize an object, while ngOnInit is a lifecycle hook used in Angular to initialize components.
• Constructor is a default method of a class that is automatically called when an object is created.

• ngOnInit is a lifecycle hook in Angular that is called after the constructor and is used to initialize data in a component.

• Constructors are used in all classes, while ngOnInit is spec
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Q4. Pipes, directives (custom as well)
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Q5. Javascript console.log question
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Q6. Hoisting, let,var,const
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Q1. Salary expectation
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Q2. Remote working readiness
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Small assignment to build simple App.

Q1. JavaScript Questions
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Q2. Reactjs Questions
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Q1. Explain the inter relation between a sales and marketing funnel
Ans. 
Sales and marketing funnels are interconnected processes that guide potential customers from awareness to purchase.
• Sales funnel focuses on converting leads into customers through direct sales tactics.

• Marketing funnel focuses on generating awareness and interest in a product or service.

• Marketing activities feed into the top of the sales funnel by attracting potential customers.

• Sales activities further qualify and nurtur...read more
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Q1. Why do you want to join procol?
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Q2. What if you are not selected here?
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Q3. Do you want to become an entrepreneur?
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Q1. Software Testing Life cycle
Ans. 
Software Testing Life cycle involves planning, designing, executing, and evaluating tests to ensure quality software.
• Includes phases like requirement analysis, test planning, test design, test execution, and test closure

• Involves creating test cases, executing them, and reporting defects

• Iterative process to ensure software meets quality standards

• Examples: Unit testing, integration testing, system testing, acceptance tes
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Q2. About Bug life cycle
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