Practice IT Operating System Questions and Answers

• Which of the following is an example of unsupervised learning in AI?
• What is the main advantage of using subword tokenization in NLP?
• What is multi-tenancy in cloud computing?
• Which feature of Big Data refers to the speed of data generation and processing?
• Which of these AI approaches involves agents learning by interacting with their environment?
• What is the primary purpose of Named Entity Recognition (NER)?
• Which of these is a key characteristic of SaaS (Software as a Service)?
• Which of the following protocols is used to reliably transfer a file over an insecure channel and provides authentication and encryption?
• Which of the following is NOT part of CIA triad?
• In threat modeling, what does STRIDE stand for (one of the categories)? Pick the item that is NOT part of STRIDE.
• Which network security device typically enforces a policy based on IP, port and protocol and can operate at transport and application layer when deep inspe...
• In R, which function reshapes data from long to wide format?
• In pandas, what does df.groupby('A').agg({'B': 'sum', 'C': 'mean'}) return?
• In a multi-homed network, BGP route flapping causes external instability. Which mechanism MOST effectively prevents repeated advertisement of unstable rout...
• Which TCP feature improves performance specifically over wireless networks where packet loss occurs due to noise, not congestion?
• Which virtualization technique allows the guest OS to run without being modified and has the lowest overhead?
• In Kubernetes, which storage type remains available even if the pod is deleted and recreated on a different node?
• Which IPv6 feature can unintentionally expose internal network structure to attackers if not properly randomized?
• Which of the following conditions is not one of the four necessary conditions for a deadlock to occur?
• The Banker's Algorithm is primarily used for:
• Which of the following statements is true regarding user-level threads compared to kernel-level threads?
• Which of the following is a fundamental concept of Object-Oriented Programming (OOP)?
• What is the primary advantage of using an Object-Oriented Programming approach?
• Which of the following is NOT a core principle of Object-Oriented Programming?
• A critical section in multithreaded programming is a code segment that:
• Consider three processes P1, P2, and P3 with burst times 10, 5, and 8 respectively. All arrive at time 0. Using the Shortest Job First (SJF) non-preemptive...
• Which CPU scheduling algorithm is best suited for time-sharing systems where each user needs a fair share of the CPU and response time is critical?
• Which of the following IPC mechanisms allows two unrelated processes to communicate by mapping a region of physical memory into their respective virtual ad...
• Which of the following best describes the "Ready" state of a process?
• The Process Control Block (PCB) does not typically contain which of the following information?
• What is the primary purpose of a system call?
• A process makes a system call to request a resource. If the resource is unavailable, the process will typically transition to which state?
• Consider a system with 4 CPU cores. If there are 8 user-level threads in a single process, what is the maximum number of these threads that can execute con...
• Which type of fragmentation is primarily addressed by paging, and which type does paging typically introduce?
• Memory compaction is a technique used to:
• A system has a page size of 2KB. A logical address is 32 bits. How many bits are used for the page offset?
• A system uses demand paging with an average page fault service time of 10 milliseconds and a memory access time of 100 nanoseconds. If the desired effectiv...
• Which of the following is a potential problem when multiple threads access and modify shared data concurrently without proper synchronization?
• A process is currently in the "Running" state. If its allocated time slice expires, to which state will it typically transition?
• Consider three processes P1, P2, and P3 with burst times 10ms, 10ms, and 10ms respectively. If they arrive at time 0 and are scheduled using FCFS (First-Co...