• 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.
What is the role of Buffer Cache and Buffer Header? Explain in detail.
Explain the different components and features of UNIX operating system in detail.
Explain the role of super block in UNIX operating system.
Explain the process life cycle with different components of process life cycle.
Explain the different requirements for the execution of concurrent processes?
What is Semaphore? What are the different types of Semaphores? Explain each type in detail.
Explain the process of authentication and access control for system access.
Define the following terms: Malware, Trojans, Root Kit.
Explain the common vulnerabilities and exposures for security.
What are the different methods for IPC in operating system? Explain any one method in detail.
Explain the different risks associated with Ransomware attacks.
What does mobile phone operating system contain that or may be vulnerable to different attacks?
What are the different levels of securities in Android operating system?
Define the following:- Secure wallet, Secure co-processor.
Explain socket. What are the different types of Sockets explain in detail.
What are the different Winsock function? What is the use of Datagram socket?
