Practice Algorithms Questions and Answers

• Which algorithm is best suited for finding a Hamiltonian cycle in an undirected graph?       
• Which of the following operations on a data structure refers to the removal of an element from the front of a queue?
• Which of the following protocols is most commonly used in IoT devices to enable communication between smart devices?
• Which of the following SQL queries is used to remove a table from a database?
• Which component of a network ensures that data is delivered to the correct host in a multi-host environment?
• In mobile computing, what is the main feature of pervasive computing?
• Which of the following is true about the time complexity of Merge Sort?
• Which of the following algorithms is best suited for finding the shortest path in a weighted graph where some edges may have negative weights but no negati...
• Which of the following is a critical concern for securing critical infrastructure?
• Which data structure is most suitable for implementing recursion?
• In a Data Analytics pipeline, which of the following is an advantage of using Dimensional Modelling?
• Which of the following is true about the Round Robin (RR) CPU scheduling algorithm?
• Which of the following is NOT a characteristic of the SJF (Shortest Job First) scheduling algorithm?      
• Which of the following is a primary challenge associated with Cloud Security?
• Which of the following algorithms is most appropriate for a sorting task that requires minimal auxiliary space?
• In the context of Data Modelling and Analytics, which technique is most suitable for identifying the underlying patterns in high-dimensional data without e...
• Which of the following is a key characteristic of cloud computing?
• Which of the following is a key difference between SSDs and HDDs?
• In a binary search algorithm, what is the time complexity of searching an element in a sorted array of size n?     
• Which attribute of an HTTP cookie ensures that the cookie is only sent over an HTTPS connection?
• Which of the following is a primary characteristic of Black Box Testing in software testing?
• In a relational database, what is the purpose of a foreign key?
• What is normalization in the context of databases?
• Which type of attack involves injecting malicious SQL code into a web application?
• Which of the following is a characteristic of a Brute Force Attack?
• What will be the output of the following code snippet that demonstrates stack usage? stack = [] stack.append(1) stack.append(2) stack.append(3) print(...
• What is the primary purpose of a digital signature in cryptography?
• Which key is used to decrypt a message that has been encrypted with a recipient’s public key in asymmetric encryption?
• In Breadth-First Search (BFS), what data structure is typically used to keep track of the nodes to be explored?
• Which SQL function is used to count the number of rows in a table?
• In the context of inter-process communication (IPC), which of the following mechanisms is used to ensure that only one process accesses a resource at a tim...
• Which network device is used to connect two different networks and route packets between them?
• Which cloud service model provides developers with a platform to develop, run, and manage applications without worrying about the underlying infrastructure...
• In virtualization, what is the primary role of a hypervisor?
• Which application layer protocol is used to retrieve emails from a remote server?
• Which type of NAT (Network Address Translation) allows multiple private IP addresses to share a single public IP address?
• What is the primary function of a firewall in network security?
• Which type of firewall operates at the application layer of the OSI model and inspects incoming and outgoing data packets?
• Which of the following is an example of inheritance in OOP?
• Which layer of the OSI model is responsible for providing end-to-end communication services and ensures complete data transfer?