Practice IT Operating System Questions and Answers

• What is the primary purpose of using private class members in object-oriented programming?
• What is the primary characteristic of the Spiral Model in software development?
• What is a primary feature of the Agile Model in software development?
• Which of the following statements accurately describes the purpose of unit testing in software development?
• Which of the following statements accurately describes the characteristics of a primary key in a relational database?
• Which of the following statements accurately describes Third Normal Form (3NF) in database normalization?
• Which of the following statements best describes the concept of a computing model in computer science?
• Which of the following statements accurately describes hard computing?
• Which of the following statements best describes the role of the JDBC package in Java programming?
• Which of the following statements accurately describes the use of the SQL CREATE statement?
• A software development team is implementing a sorting function for a large dataset in their project. They decide to use the quick sort algorithm to optimiz...
• A software developer is designing a banking application where each bank account object should restrict direct access to its balance variable to prevent acc...
• In HTTP request methods, which of the following methods is not idempotent ? 
• Which of the following database operations is used to remove all records from a table but not the table itself? ...
• In public-private key encryption , which of the following is true regarding the private key ?
• Which of the following is the main advantage of using the Round Robin CPU Scheduling algorithm over First-Come-First-Serve (FCFS) in terms of process execu...
• In a system using the Least Recently Used (LRU) page replacement algorithm, which of the following statements holds true? 
• Which of the following I/O scheduling algorithms provides the most efficient disk access for systems with many requests clustered around a central location...
• Which of the following best describes the concept of ‘Concurrency’ in the context of Operating Systems? 
• In a virtual memory system, which of the following techniques is used to maintain the illusion that each process has its own dedicated memory space? 
• Which of the following is a major advantage of using a Mesh Network topology over a Star topology in large-scale networks? 
• Which of the following protocols is responsible for mapping an IP address to a MAC address in a local network? 
• In IPv6, which of the following addresses is used for local communication within a network segment and is not routable beyond the local network? 
• Which of the following statements about the OSI Model’s Transport Layer is true? 
• Which of the following is a primary difference between TCP and UDP in terms of reliability and connection management? 
• Which of the following is the primary characteristic of serverless computing in cloud platforms? 
• In the context of cloud computing, what is the main difference between containers and virtual machines? 
• Which of the following is a key characteristic of a Public Cloud? 
• Which of the following describes a major benefit of Continuous Integration (CI) in the software development lifecycle? 
• Which of the following best describes the relationship between Distributed Parallel Computing and Cloud Computing? 
• Which of the following is a primary advantage of a microservices architecture compared to a monolithic architecture? 
• Which of the following is a common challenge in transitioning from a monolithic to a microservices architecture? 
• Which of the following best explains why communication latency is generally higher in microservices compared to monolithic architectures? 
• Which of the following scenarios best demonstrates a potential use of candidate keys in a relational database? 
• Which web application vulnerability is most commonly exploited through code injection, allowing attackers to manipulate database queries? 
• Which of the following statements correctly describes the ACID property "Durability" in database transactions? 
• In the Software Development Lifecycle, which phase is primarily responsible for identifying and documenting the needs of the stakeholders to create a bluep...
• Which of the following types of testing is primarily focused on validating the functionality of a system without considering the internal structure of the ...
• Which design pattern would be most appropriate to ensure that only one instance of a class exists and provides a global point of access to that instance? ...
• Which of the following HTTP methods is idempotent and is primarily used to update a specific resource's data on a server?