Practice IT Operating System Questions and Answers

• 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? 
• In Git version control, which command is used to move changes from the staging area to the local repository, making them part of the project history? 
• In AJAX (Asynchronous JavaScript and XML), which of the following properties must be set to true to prevent the browser from waiting for the response befor...
• Which of the following data structures is most suitable for implementing a priority queue with efficient insertion and deletion operations based on priorit...
• In a Binary Search Tree (BST), which traversal technique results in nodes being visited in ascending order? 
• Which of the following best represents the concept of polymorphism in Object-Oriented Programming? 
• Which of the following statements accurately describes the role of system calls in an operating system? 
• Which CPU scheduling algorithm is known for minimizing the average waiting time for a set of processes? 
• In a multithreaded environment, which of the following synchronization mechanisms is used to prevent race conditions? 
• What is the primary purpose of virtual memory in an operating system? 
• Which type of memory is fastest in terms of data access speed?  
• Which of the following page replacement algorithms is considered optimal and aims to minimize the number of page faults? 
• Which I/O scheduling algorithm is designed to reduce the average response time for disk operations by prioritizing requests based on proximity to the curre...
• What is a primary advantage of using virtual machines in a computing environment? 
• Which of the following best describes the function of cache memory in a computer system? 
• Which backup strategy involves creating copies of data that allow for point-in-time recovery and typically includes both full and incremental backups? ...
• Which of the following practices is essential for maintaining security compliance in both Windows and Unix/Linux environments? 
• Which of the following is a critical component of data protection in both Windows and Unix/Linux environments? 
• What is a best practice for securing remote access in Windows and Unix/Linux environments? 
• Which of the following tools is commonly used for compliance auditing in Unix/Linux environments? 
• What is an effective method to enhance security compliance in data handling practices?