CGI Group Interview Questions and Answers

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. What is xss,How can you prevent
Ans. 
XSS (Cross-Site Scripting) is a security vulnerability allowing attackers to inject malicious scripts into web pages viewed by users.
• Sanitize user input to remove harmful scripts. Example: Use libraries like DOMPurify.

• Implement Content Security Policy (CSP) to restrict sources of scripts.

• Use HTTPOnly and Secure flags on cookies to prevent access via JavaScript.

• Validate and encode output data to prevent script execution...read more
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Q2. What is sql and explain second order sql injection
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SQL (Structured Query Language) is a standard language for managing and manipulating relational databases.
• SQL is used to perform tasks such as querying data, updating records, and managing database structures.

• Second-order SQL injection occurs when an attacker injects malicious SQL code into a database, which is then executed later.

• For example, an attacker might input a value that is stored in the database, and when tha...read more
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Q3. Csp header bypass how can you do
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CSP header bypass involves exploiting misconfigurations or weaknesses in Content Security Policy to execute unauthorized scripts.
• 1. Use of 'unsafe-inline': If a CSP allows 'unsafe-inline', attackers can inject scripts directly into HTML.

• 2. Whitelisting domains: If a CSP whitelists a domain that is compromised, attackers can serve malicious scripts from that domain.

• 3. Data URIs: Some CSP configurations may allow data UR...read more
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Q4. Can we get xss and sql injecfion in a web application as well
Ans. 
Yes, a web application can be vulnerable to both XSS and SQL injection due to improper input validation.
• XSS (Cross-Site Scripting) occurs when an application includes untrusted data in a web page without proper validation or escaping.

• SQL Injection happens when an application includes untrusted data in a SQL query without proper sanitization.

• For example, an input field that allows users to enter comments could be vulner...read more
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Q5. This isnt a question even if i answered all of the lady questions she acted as if she is helping me and elongated and prolonged that i habe to keep answering for questions . In one way dumped her attitude ...read more
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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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