CGI Group Interview Questions, Process, and Tips

Q1. Explain CI/CD pipeline .
Ans. 
CI/CD pipeline is a set of automated processes that allow developers to continuously integrate code changes and deploy them to production.
• Continuous Integration (CI) involves automatically building and testing code changes as they are committed to a shared repository.

• Continuous Deployment (CD) involves automatically deploying code changes to production environments after passing automated tests.

• CI/CD pipelines typicall...read more
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Q2. Explain daemonset in kubernetes.
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DaemonSet ensures that all or some nodes run a copy of a Pod
• DaemonSet is a Kubernetes resource that ensures a copy of a Pod is running on all or some nodes in the cluster

• It is useful for running a single instance of a Pod on every node, such as log collection or monitoring agents

• DaemonSet automatically adds or removes Pods as nodes are added or removed from the cluster
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Q1. Explain the networking services in AWS.
Ans. 
AWS provides a variety of networking services to help users manage their network infrastructure.
• Virtual Private Cloud (VPC) allows users to create isolated networks within the AWS cloud

• Elastic Load Balancing distributes incoming traffic across multiple instances to ensure high availability

• Route 53 is a scalable domain name system (DNS) web service

• Direct Connect allows users to establish a dedicated network connection b...read more
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Q2. What is terraform module?
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Terraform module is a reusable, configurable, and self-contained collection of Terraform resources.
• Terraform modules help organize and reuse code for infrastructure components

• Modules can be shared and reused across different projects

• Modules can have input variables to customize their behavior

• Modules can output values that can be used by other parts of the infrastructure code
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Q1. Why GitOps tool ?
Ans. 
GitOps tools help automate infrastructure management, version control, and deployment processes.
• Enables infrastructure as code practices

• Facilitates version control for infrastructure configurations

• Automates deployment processes

• Promotes collaboration and visibility among team members

• Examples: Argo CD, Flux, Jenkins X
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Q2. What is AWS secret manager?
Ans. 
AWS Secret Manager is a service that helps you protect access to your applications, services, and IT resources.
• It allows you to securely store, manage, and retrieve sensitive credentials and configuration data.

• You can rotate, manage, and retrieve secrets throughout their lifecycle.

• Integrates with AWS services like Lambda, EC2, RDS, and more for secure access to secrets.

• Helps you meet security and compliance requirement...read more
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Average to easy difficulty level.

Q1. Java code of string manipulation
Ans. 
String manipulation in Java involves various methods like substring, concat, replace, etc.
• Use substring() to extract a part of the string

• Use concat() to concatenate two strings

• Use replace() to replace a specific character or substring in a string
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Q2. What is the Java code for various types of sorting algorithms?
Ans. 
Various sorting algorithms in Java code
• Bubble Sort: int[] arr = {5, 2, 8, 1, 3}; Arrays.sort(arr);

• Selection Sort: int[] arr = {5, 2, 8, 1, 3}; Arrays.sort(arr);

• Insertion Sort: int[] arr = {5, 2, 8, 1, 3}; Arrays.sort(arr);

• Merge Sort: int[] arr = {5, 2, 8, 1, 3}; Arrays.sort(arr);

• Quick Sort: int[] arr = {5, 2, 8, 1, 3}; Arrays.sort(arr);
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Q3. Sql query and topics related to joins.
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Q1. About yourself and family
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Q2. What do you know about the company?
Ans. 
The company is a leading software development firm specializing in creating innovative solutions for various industries.
• Specializes in creating innovative software solutions

• Works with clients from various industries

• Known for high-quality and reliable products

• Has a strong team of software engineers and developers
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Q3. Can you provide examples of real-life scenarios where you handled conflicts with either a colleague or a manager?
Ans. 
Handled conflicts by addressing issues directly, seeking compromise, and maintaining professionalism.
• Addressed a disagreement with a colleague by scheduling a one-on-one meeting to discuss concerns and find common ground.

• Resolved a conflict with a manager by actively listening to their perspective, providing feedback, and working together to find a solution.

• Maintained professionalism during conflicts by staying calm, r...read more
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Q4. What actions would you take if your manager does not approve your product idea, and how would you attempt to persuade them?
Ans. 
I would gather more data to support my idea, present a compelling case to my manager, and be open to feedback and compromise.
• Gather data to support the idea, such as market research, user feedback, or cost-benefit analysis.

• Prepare a well-structured presentation highlighting the potential benefits of the product idea.

• Listen to the manager's concerns and feedback, and be open to making adjustments or compromises.

• Seek sup...read more
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Q1. What changes should be made to both the backend and frontend when a new field is added in order to ensure that data flows from the backend to the user interface (UI) in the Model-View-Controller (MVC) arch...read more
Ans. 
Adding a new field in MVC requires updates in the backend and frontend for seamless data flow.
• 1. Update the Model: Add the new field to the data model class (e.g., 'public string NewField { get; set; }' in C#).

• 2. Update the Database: Modify the database schema to include the new field (e.g., using a migration in Entity Framework).

• 3. Update the Controller: Ensure the controller retrieves and sends the new field data to ...read more
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Q2. Could you describe the types of SQL query questions you were asked during the interview, including scenarios involving join operations with two tables and the expected outputs, as well as your experience w...read more
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Q3. There are two technical rounds 1st round is around 45 mins and second round is face to face that is too technical around one and half an hour. Third round also happened at a day with manager
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Q1. Parameter and argument difference in JavaScript ? 2. Closures and hoisting in Javascript ? 3. Var, let and Const difference ?
Ans. 
Understanding JavaScript concepts like parameters, closures, and variable declarations is crucial for effective coding.
• Parameters are variables listed as part of a function's definition, while arguments are the actual values passed to the function.

• Example: function add(a, b) { return a + b; } - 'a' and 'b' are parameters; add(2, 3) - '2' and '3' are arguments.

• Closures are functions that remember their lexical scope eve...read more
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Q2. Should create a simple form with name, email, mobile and if we click the submit button the added details has to show on the below table
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