Practice Data Structure Questions and Answers

• Which sorting algorithm is considered the most efficient for large datasets with no additional memory constraints?
• Which of the following best describes Abstraction in Object-Oriented Programming (OOP)?
• Which of the following is an example of Polymorphism in Object-Oriented Programming?
• Which of the following best illustrates Encapsulation in Object-Oriented Programming?
• What type of relationship is represented by Aggregation in Object-Oriented Programming?
• Which of the following is a key objective of the Requirement Analysis phase in the Software Development Lifecycle (SDLC)?
• Which testing type evaluates internal code logic and control flow?
• Which design pattern is best suited for managing the creation of objects without specifying their concrete classes?
• Which SOLID principle ensures that a class has only one reason to change?
• Which of the following statements is true about ACID properties in database transactions?
• Which type of database key is a candidate key that has not been chosen as the primary key?
• Which of the following is the main objective of the 3rd Normal Form (3NF) in database normalization?
• Which type of database join returns only the matching rows from two tables based on a condition?
• Which of the following is the primary goal of a Cross-Site Scripting (XSS) attack?
• Which of the following attacks can occur when a user is tricked into performing unintended actions on a trusted website without their knowledge?
• Which cryptographic concept ensures that data integrity is preserved and cannot be altered during transmission?
• Which of the following OWASP Top 10 risks involves insecure coding practices that allow attackers to gain access to sensitive data, such as usernames and p...
• Which of the following statements is true about deadlocks in an operating system?
• Which page replacement algorithm minimizes the number of page faults theoretically but is difficult to implement in practice?
• Which CPU scheduling algorithm always selects the process with the smallest burst time first, potentially leading to starvation?
• Which memory type is the fastest but most expensive, typically located directly on the CPU?
• Which of the following is NOT a valid feature of IPv6 compared to IPv4?
• Which network topology ensures full redundancy but is highly expensive and complex to implement?
• Which OSI model layer is responsible for reliable delivery of data between devices?
• Which protocol is used by devices to obtain an IP address automatically in a network?
• Which of the following best differentiates between server-based virtualization and hypervisor-based virtualization?
• Which cloud service model allows developers to deploy their applications without managing the underlying infrastructure?
• What is a key advantage of containerization over traditional virtual machines?
• In CI/CD pipelines, which of the following is NOT a key benefit of Continuous Integration (CI)?
• Which of the following techniques is primarily used to address overfitting in machine learning models?
• What is a key challenge in applying Natural Language Processing (NLP) techniques to real-world text data?
• Which of the following is a primary feature of Mobile Computing?
• Which type of AI is primarily used for adaptive mobile applications like virtual assistants?
• Which of the following best describes the function of the Control Unit (CU) in the CPU?
• In network architecture, what is the primary advantage of a mesh topology over a star topology?
• Which of the following is an example of an emerging technology that is most likely to impact the future of computing?
• In the context of Management Information Systems (MIS), which of the following best describes the role of a decision support system (DSS)?
• Which of the following best describes the mechanism of a Cross-Site Scripting (XSS) attack?
• In asymmetric encryption, which of the following statements is correct?
• What is the primary goal of the OWASP Top 10 project?