• Attempt any five questions.
• All questions carry equal marks.
• In case of any doubt or dispute the English version question should be treated as final.
With a neat sketch explain the buffer header and buffer pool.
Discuss the usage of queue and tree data structures in the operating system with their applications.
Explain the system calls:
i) open
ii) read
iii) create
iv) chmod
Explain the process life cycle. Write the components of PCB.
What is IPC? Demonstrate the client/server communications using message queues.
What is semaphore? Explain the types of semaphores.
Explain how security and protection can be implemented in the operating system?
What is a Honeypot? Explain how honeypot can be used to protect against cyber attacks?
Explain in detail the types of viruses and worms.
Discuss about the common vulnerabilities and exposures for security.
Explain mobile operating systems security.
What is a Secure Coprocessor? Explain in detail secure coprocessors.
With a neat sketch explain the windows system architecture.
Write the types of sockets. Explain in detail socket programming.
Write short notes on: Mounting and unmounting of the file system
Write short notes on: Principles of concurrency
Write short notes on: Trojans and Rootkits
Write short notes on: System work threads and winsock
