CGI Group Interview Questions and Answers for Freshers

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
Ans. 
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
Ans. 
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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Around 120 minutes. Had Different sections for coding, verbal, CS fundamentals.

Q1. Resume Based (OOPs, JS related and Other Basic things)
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Q2. SQL query
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Q1. Relocation and other HR ques.
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Q1. React native hooks
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Q2. Component architecture
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Q1. Javascript programs
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Q2. Coding
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Basically communication and sql 12 question and progaming mcq 12q and 2 coding question

Q1. Tell me about your self
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Q2. Project explanition
Ans. 
Developed a web-based application for managing project tasks and team collaboration.
• Utilized React for the front-end to create a responsive user interface.

• Implemented Node.js and Express for the back-end API to handle data requests.

• Integrated MongoDB for database management to store user and project data.

• Employed RESTful services for seamless communication between front-end and back-end.

• Implemented user authentication ...read more
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Q3. What is inheritance
Ans. 
Inheritance is a concept in object-oriented programming where a class inherits attributes and methods from another class.
• Allows a class to inherit properties and behaviors from another class

• Promotes code reusability and reduces redundancy

• Derived class can add its own unique attributes and methods

• Example: Class 'Car' can inherit from class 'Vehicle' and gain attributes like 'color' and methods like 'drive'
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Q4. Code in inheritance
Ans. 
Inheritance in object-oriented programming allows a class to inherit properties and behaviors from another class.
• Inheritance allows for code reusability and promotes a hierarchical structure in classes.

• Subclasses can access and modify the properties and methods of their parent class.

• Example: class Animal { ... } class Dog extends Animal { ... }

• Example: class Shape { ... } class Circle extends Shape { ... }
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Q5. Code reverse a string
Ans. 
Reverse a string using array manipulation
• Create an array of characters from the input string

• Iterate through the array in reverse order and append each character to a new string

• Return the reversed string
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Q6. Sql query for seleting a particular column from a table and give the employer count
Ans. 
Use SQL query to select a particular column from a table and get the count of entries.
• Use SELECT statement to specify the column you want to retrieve.

• Use COUNT() function to get the count of entries in that column.

• Combine both in a single query to achieve the desired result.
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Q7. Apptitute question a sales man sells a item for 20% discount from its original price for some time and he want to sell the remaing item for original price what he needs to do??
Ans. 
To sell remaining items at original price, the salesman can create urgency or highlight value to attract buyers.
• 1. Create a sense of urgency: Use phrases like 'limited stock' or 'last chance' to encourage quick purchases.

• 2. Highlight the value: Emphasize the quality or benefits of the item to justify the original price.

• 3. Bundle offers: Consider bundling the item with another product to increase perceived value.

• 4. Targ...read more
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Q8. A clock tick 8 times on 8'o clock the time taken between 1st tick and last tick is 35 sec what is the time taken for starting tick and end tick at 11'o colck
Ans. 
The time taken for the clock to tick from 8'o clock to 11'o clock is 105 seconds.
• Each tick represents 1/8th of an hour (45 minutes) on the clock.

• From 8'o clock to 11'o clock, there are 3 hours, so the total time taken is 3 * 45 = 135 minutes = 135 * 60 = 8100 seconds.

• The time taken for the clock to tick from 8'o clock to 11'o clock is 8100 - 35 = 8065 seconds.
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