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Malware is malicious software designed to harm, exploit, or otherwise compromise computer systems and networks.
Types of Malware: Includes viruses, worms, trojans, ransomware, spyware, and adware, each with distinct methods of attack.
Viruses: Malicious code that attaches itself to clean files and spreads throughout a computer system, often corrupting data.
Ransomware: A type of malware that encrypts files and demand...
An attack in cybersecurity refers to any attempt to exploit vulnerabilities in systems or networks to compromise data or functionality.
Malware: Malicious software like viruses or ransomware that can damage or disrupt systems. Example: WannaCry ransomware attack.
Phishing: Deceptive attempts to obtain sensitive information by masquerading as a trustworthy entity. Example: Email pretending to be from a bank.
Denial of...
SIEM stands for Security Information and Event Management, crucial for real-time analysis of security alerts generated by applications and network hardware.
Centralized Logging: SIEM collects and aggregates log data from various sources, such as firewalls, servers, and applications, for comprehensive analysis.
Real-Time Monitoring: SIEM systems provide real-time monitoring and alerting for suspicious activities, hel...
Ransomware is a type of malicious software that encrypts files, demanding payment for their release.
File Encryption: Ransomware encrypts files on the victim's system, making them inaccessible until a ransom is paid.
Ransom Demand: Victims typically receive a message demanding payment, often in cryptocurrency, to decrypt their files.
Delivery Methods: Ransomware can spread through phishing emails, malicious downloads...
What people are saying about Cognizant
To find the greatest number in an array, iterate through the elements and compare each to determine the maximum value.
Initialize a variable to hold the maximum value, starting with the first element of the array.
Loop through each element of the array, comparing it to the current maximum.
If an element is greater than the current maximum, update the maximum variable.
Return the maximum value after completing the loop...
Improving CTR involves optimizing content, targeting the right audience, and enhancing user experience.
Optimize headlines: Use compelling and clear headlines that grab attention, e.g., '10 Tips for Better Health'.
Use high-quality images: Incorporate eye-catching visuals that relate to the content, like infographics or relevant photos.
A/B testing: Experiment with different versions of ads or emails to see which per...
CPM (Critical Path Method) is a project management technique used to determine the longest sequence of dependent tasks.
CPM formula: Total Project Duration = Sum of durations of all tasks on the critical path.
Identify critical path: The longest path through the project with the least amount of slack.
Example: If tasks A, B, and C take 3, 5, and 2 days respectively, and A must precede B and C, the critical path is A ...
Attribution models are frameworks used to assign credit to various marketing channels for conversions.
Types of models include Last Click, First Click, Linear, Time Decay, and Position-Based.
Last Click model gives all credit to the last touchpoint before conversion.
First Click model attributes all credit to the first interaction a customer had.
Linear model distributes credit evenly across all touchpoints.
Time Decay...
Workflow is a sequence of tasks or processes that define how work is completed within an organization.
Defines the steps needed to complete a task, e.g., processing a loan application.
Can be automated using software tools, like project management systems.
Involves roles and responsibilities, ensuring accountability, e.g., who approves a document.
Can be visualized using flowcharts to illustrate the process, e.g., cus...
SAP ABAP is a high-level programming language used for developing applications on the SAP platform.
ABAP stands for Advanced Business Application Programming.
It is primarily used for developing business applications in SAP environments.
ABAP programs can be executed on the SAP NetWeaver Application Server.
Common use cases include report generation, data manipulation, and interface development.
Example: Creating custo...
I appeared for an interview in Jan 2025.
It was easy, bacis aptitude questions asked in this round
I enjoy hiking, reading, and playing guitar. My hometown is a small coastal town known for its beautiful beaches and seafood.
Hobbies include hiking, reading, and playing guitar
Hometown is a small coastal town
Known for beautiful beaches and seafood
I applied via Naukri.com and was interviewed in Nov 2024. There was 1 interview round.
Absolute Xpath starts from the root element, while relative Xpath starts from any node in the DOM structure.
Absolute Xpath starts with a single forward slash (/) and starts selection from the root node.
Relative Xpath starts with a double forward slash (//) and starts selection from the current node or any node in the DOM structure.
Absolute Xpath is more brittle and prone to breaking if the structure of the page changes...
The return would be the number of tabs open in the browser.
The return value would be an integer representing the count of open tabs.
For example, if there are 5 tabs open, the return value would be 5.
Types of waits in Selenium include Implicit Wait, Explicit Wait, and Fluent Wait.
Implicit Wait: Waits for a certain amount of time before throwing a NoSuchElementException.
Explicit Wait: Waits for a certain condition to occur before proceeding further in the code.
Fluent Wait: Waits for a condition to be true with a defined polling frequency.
Example: driver.manage().timeouts().implicitlyWait(10, TimeUnit.SECONDS);
Exceptions in Selenium are errors that occur during test execution, disrupting the flow of the test script.
Exceptions are thrown when there is an unexpected behavior in the application under test or in the test script itself.
Common exceptions in Selenium include NoSuchElementException, ElementNotVisibleException, TimeoutException, and StaleElementReferenceException.
Handling exceptions in Selenium can be done using try-...
Feature files contain high-level description of the functionality to be tested, while step definitions are the implementation of the steps in the feature file using code.
Feature files are written in Gherkin syntax and describe the behavior of the application in plain text.
Step definitions are written in programming languages like Java, Ruby, etc., and map the steps in the feature file to automation code.
Feature files a...
Data can be input in Cucumber using feature files and step definitions.
Data can be input in feature files using scenarios and scenario outlines
Step definitions can be used to define the actions to be taken with the input data
Data tables can be used in feature files to input structured data
Examples keyword can be used in scenario outlines to provide multiple sets of input data
Test case is a set of conditions or variables under which a tester will determine whether a system under test satisfies requirements. Test plan is a document outlining the scope, approach, resources, and schedule of testing activities. Test scenarios are detailed descriptions of possible interactions with the system.
Test case: specific conditions to be tested, expected results, steps to execute
Test plan: overall strate...
Hooks in Java are methods that allow subclasses to override or extend the behavior of a superclass.
Hooks are commonly used in frameworks like JUnit and TestNG for test automation.
They are often used for setup and teardown operations before and after test methods.
Examples include @Before, @After, @BeforeClass, and @AfterClass annotations in JUnit.
I am a detail-oriented Process Executive with strong analytical skills and experience in process improvement.
Experienced in analyzing and optimizing business processes
Proficient in data analysis and reporting
Skilled in project management and problem-solving
Strong communication and teamwork abilities
I am a dedicated and detail-oriented professional with a strong background in process management and execution.
I have X years of experience in process management and execution.
I am skilled in analyzing data and identifying areas for improvement.
I have a proven track record of meeting deadlines and exceeding targets.
I am a team player and have excellent communication skills.
I am proficient in using various software tool...
My salary expectations are in line with industry standards and based on my experience and qualifications.
Research industry standards for the position
Consider my experience and qualifications
Be open to negotiation based on benefits package
Working night shifts can be challenging but offers benefits like higher pay and less traffic.
Night shifts often come with a higher pay rate, which can be financially beneficial.
They can provide a quieter work environment, allowing for increased focus.
Some people find they are more productive at night due to fewer distractions.
However, night shifts can disrupt sleep patterns and lead to health issues if not managed prop...
I applied via Campus Placement and was interviewed in Nov 2024. There was 1 interview round.
I appeared for an interview in Jan 2025.
It was conducted in Superset.
I am a highly skilled Programmer Analyst with expertise in developing and maintaining software applications.
Experienced in programming languages such as Java, C++, and Python
Proficient in analyzing user requirements and designing solutions
Strong problem-solving skills and attention to detail
Familiar with database management systems like MySQL and Oracle
Yes, I am open to relocating for the right opportunity.
I am willing to relocate for a position that aligns with my career goals and offers growth opportunities.
I have relocated in the past for job opportunities and have found it to be a positive experience.
I understand that relocating may be necessary for certain roles and am prepared to make that commitment.
I appeared for an interview in May 2025, where I was asked the following questions.
Key OOP concepts, ASP.NET Core MVC middleware, SQL Server features, and CTE explained with examples.
OOP Concepts: Encapsulation, Inheritance, Polymorphism, Abstraction.
Example of Encapsulation: Using properties in a class to restrict access.
ASP.NET Core Middleware: Components that handle requests and responses.
Example of Middleware: Authentication middleware that checks user credentials.
SOLID Principles: Five design pr...
I appeared for an interview in May 2025, where I was asked the following questions.
I applied via Naukri.com and was interviewed in Aug 2024. There were 2 interview rounds.
Online Hackathon test was taken.
I am a passionate React Js Frontend Developer with experience in building user-friendly and responsive web applications.
Experienced in developing web applications using React Js
Proficient in HTML, CSS, and JavaScript
Familiar with state management libraries like Redux
Strong understanding of responsive design principles
Ability to work collaboratively in a team environment
I am responsible for developing and maintaining the frontend of the project using React Js.
Developing user-friendly interfaces using React Js
Implementing responsive design and ensuring cross-browser compatibility
Collaborating with backend developers to integrate frontend with backend services
Optimizing application performance and troubleshooting issues
Participating in code reviews and providing feedback to team members
SSR in React is implemented using server-side rendering to pre-render React components on the server before sending them to the client.
Use libraries like Next.js or Gatsby to implement SSR in React.
Configure server to render React components on the server side.
Optimize server-side rendering for performance by caching rendered components.
To change a React project from development mode to production mode, you need to build the project using the 'npm run build' command.
Run 'npm run build' command in the terminal to create a production build of the project.
This command will generate a 'build' folder with optimized and minified files for production.
You can then deploy the contents of the 'build' folder to a web server for production use.
Lazy loading is a technique used to defer loading non-essential resources until they are needed.
Lazy loading helps improve performance by only loading resources when they are required.
In React, lazy loading can be implemented using React.lazy() and Suspense components.
Example: const MyComponent = React.lazy(() => import('./MyComponent'));
Example:
React routing is a way to handle navigation in a React application by defining routes and rendering components based on the URL.
React routing allows for declarative routing, where routes are defined using JSX elements.
It enables dynamic routing based on the URL, allowing for different components to be rendered based on the route.
React Router is a popular library for handling routing in React applications.
Unlike convent...
Aptitude test involved with quantative aptitude, logical reasoning and reading comprehensions.
I have strong skills in data processing, ETL, data modeling, and programming languages like Python and SQL.
Proficient in data processing and ETL techniques
Strong knowledge of data modeling and database design
Experience with programming languages like Python and SQL
Familiarity with big data technologies such as Hadoop and Spark
Yes, I am open to relocating for the right opportunity.
I am willing to relocate for the right job opportunity.
I have experience moving for previous roles.
I am flexible and adaptable to new locations.
I am excited about the possibility of exploring a new city or country.
I appeared for an interview in Apr 2025, where I was asked the following questions.
Some of the top questions asked at the Cognizant interview for freshers -
The duration of Cognizant interview process can vary, but typically it takes about less than 2 weeks to complete.
based on 411 interview experiences
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