10+ Al Alameya Group Interview Questions and Answers

Implement a counter with increment and decrement buttons and an input field to set the value.

• Create a state variable to hold the counter value

• Use onClick event handlers for the buttons to increment and decrement the counter

• Use onChange event handler for the input field to update the counter value

• Set the initial value of the counter to 0

• Validate the input value to ensure it is a number

Adhoc testing is unplanned testing without any specific test cases, while monkey testing is random testing without any specific goal.

• Adhoc testing is performed without any specific test cases or plan.

• Monkey testing involves randomly testing the application without any specific goal.

• Adhoc testing is usually done when there is limited time for testing.

• Monkey testing is done to explore the application and find unexpected bugs.

• Example: Adhoc testing would be clicking randomly on ...read more

High priority means the issue needs to be fixed immediately, while low severity means the issue has minimal impact on the system.

• High priority issues are typically critical to the functionality of the system and need immediate attention.

• Low severity issues may not impact the system significantly and can be addressed at a later time.

• For example, a critical bug that causes the system to crash would be high priority but low severity if it only occurs in rare cases.

• On the other h...read more

I review test cases by ensuring they are clear, cover all scenarios, are traceable to requirements, and are prioritized.

• Ensure test cases are clear and easy to understand

• Verify that test cases cover all possible scenarios

• Ensure test cases are traceable to requirements

• Prioritize test cases based on risk and importance

Smoke testing is a quick test to check if the basic functionalities of the software are working, while sanity testing is a more focused test to check specific areas of the software.

• Smoke testing is performed to ensure the stability of the software build before moving on to detailed testing.

• Sanity testing is performed to verify that specific functionalities or areas of the software are working as expected.

• Example of smoke testing: Checking if the login functionality of a websi...read more

Waterfall is a linear sequential approach to software development, while V model is a parallel approach focusing on testing at each stage.

• Waterfall is a sequential model where each phase must be completed before the next phase begins.

• V model is a parallel approach where testing is done at each stage of development.

• Waterfall is more rigid and less flexible compared to V model.

• V model is more focused on testing and validation throughout the development process.

• Waterfall is suit...read more

Agile methodologies are a set of principles and practices that promote iterative development, collaboration, and flexibility.

• Agile methodologies prioritize customer satisfaction through early and continuous delivery of valuable software.

• They involve breaking down projects into small, manageable tasks and iterating on them in short cycles.

• Agile teams frequently communicate and collaborate with stakeholders to adapt to changing requirements.

• Common Agile frameworks include Scrum...read more

Join is a SQL operation used to combine rows from two or more tables based on a related column between them.

• Types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN

• INNER JOIN returns rows when there is at least one match in both tables

• LEFT JOIN returns all rows from the left table and the matched rows from the right table

• RIGHT JOIN returns all rows from the right table and the matched rows from the left table

• FULL JOIN returns rows when there is a match in one o...read more

EC2 is a virtual server in AWS. Cloud computing is the delivery of computing services over the internet.

• EC2 is a scalable virtual server in AWS

• Cloud computing is the delivery of on-demand computing services over the internet

• It includes services like storage, databases, servers, networking, analytics, and more

• Examples of cloud computing providers include AWS, Azure, and Google Cloud

AMI stands for Amazon Machine Image and IAM stands for Identity and Access Management.

• AMI is a pre-configured virtual machine image used to create EC2 instances.

• IAM is a service that helps manage user access to AWS resources.

• IAM allows you to create and manage AWS users and groups, and assign permissions to them.

• IAM also provides features such as multi-factor authentication and identity federation.

• IAM policies can be used to control access to AWS resources based on various co...read more

Event loop is a mechanism that allows JavaScript to perform non-blocking I/O operations.

• Event loop is a part of JavaScript runtime that continuously checks the call stack and the task queue.

• It executes the tasks in the task queue one by one, and once the task is completed, it moves to the next task in the queue.

• React is a JavaScript library for building user interfaces using a component-based architecture.

• React uses a virtual DOM to efficiently update the actual DOM.

• React all...read more

Callback is a function passed as an argument to another function. Closure is a function with access to its parent scope.

• Callback is used to execute a function after another function has finished executing.

• Closure is used to create private variables and methods in JavaScript.

• Example of callback: setTimeout(function(){ alert('Hello World!'); }, 3000);

• Example of closure: function outerFunction() { var privateVariable = 10; function innerFunction() { console.log(privateVariable);...read more