Practice Data Structure Questions and Answers

• Which of the following collision resolution techniques involves storing all elements that hash to the same value in a linked list?
• Which sorting algorithm is the most efficient for large datasets and uses a divide-and-conquer approach?
• What is the output of the following recursive function call func(3) ? int func ( int n) {            if (n == 0 ) return 1 ;     return n *...
• Which of the following integrity constraints ensures that every non-null foreign key value must reference an existing primary key value in another table? ...
• Which of the following scenarios violates Boyce-Codd Normal Form (BCNF) in a relational schema?
• In B+ trees, which of the following statements is FALSE?
• In Python, what will be the output of the following code snippet, considering scope rules? x = 5                  def func():     x...
• Which of the following statements about parameter passing in Python is TRUE?
• Which of the following statements accurately describes the function of a Gantt Chart in project management?
• Which of the following is the primary characteristic of Infrastructure as a Service (IaaS) in cloud computing?
• Which of the following best describes the primary function of an IoT gateway in an Internet of Things (IoT) network?
• Which of the following is a core characteristic of Big Data?
• In the context of artificial intelligence (AI), which type of learning requires labeled data to train models?
• Which of the following is a key challenge in handling deadlocks in an operating system?
• In the context of page replacement algorithms, which one minimizes page faults in an ideal scenario?
• Which I/O scheduling algorithm is most suitable for minimizing seek time in hard drives?
• Which of the following accurately describes the role of virtual memory in modern operating systems?
• Which of the following is an effective countermeasure against Cross-Site Scripting (XSS) attacks in a web application?
• Which of the following correctly describes the primary difference between Cross-Site Request Forgery (CSRF) and Cross-Site Scripting (XSS)? ...
• In the context of asymmetric encryption, which of the following is a key feature of public-private key pairs?
• Which of the following is NOT among the OWASP Top 10 Web Security Risks?
• Which of the following phases in the Software Development Life Cycle (SDLC) ensures that the final product meets the agreed-upon requirements and specifica...
• Which design pattern is best suited for ensuring that a class has only one instance and provides a global point of access to it?
• Which of the following is a key principle of the SOLID design principles that focuses on ensuring a class has only one reason to change?
• Which of the following types of testing is typically conducted by end-users to verify that the developed software meets their requirements?
• In Java, what will be the output of the following code snippet? public class Test {     public static void main(String[] args) {         int...
• Which SQL command is used to remove only specific rows from a table while preserving the structure and other rows?
• What is the time complexity of searching an element in a balanced binary search tree (BST) with nnn nodes?
• What will be the output of the following Java snippet? class A {     public void display() {         System.out.println("Class A");     }}...
• In a data warehouse, which of the following best describes the concept of "data granularity"?
• Which of the following is a key characteristic of an effective Management Information System (MIS)?
• In system design, what is the primary purpose of a feasibility study?
• In the context of system analysis, which of the following best defines the "use case" diagram?
• Which of the following accurately describes the role of a "foreign key" in a relational database system?
• What is the primary purpose of an Entity-Relationship (ER) Diagram in database design?
• Which of the following best explains segmentation in memory management?
• In networking, what is the primary purpose of subnetting?
• Which of the following data structures is best suited for implementing a LIFO (Last In, First Out) mechanism?
• What is the best-case time complexity of the binary search algorithm ?
• Which of the following traversal methods is used to visit nodes in the order "left child, root, right child" in a binary tree?