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Question:
(a) Briefly discuss and describe the possible RMI invocation semantics.
(b) (i) What is data marshaling?
(ii) Explain the role of a remote object reference during marshaling and unmarshalling, at both clients and servers, in an RMI system.
(iii) By using examples, distinguish between a local method invocation and a remote method invocation.
(c) Explain the benefits of middleware to distributed systems programmers, providing an example for each benefit.
(d) What are stub and skeleton and why are they needed in remote procedure calls?
Question : (a) In the demand paging system, when a process tries to access a page that was not brought into memory, a page fault occurs that involves a series of actions. The
What are a safe state and an unsafe state? Answer: A state is safe if the system can allocate resources to every process in some order and still avoid a deadlock. A system is
What are the differences between process and thread? The fundamental difference between a process and a thread is that a process has an entire copy of the program to itself and
Q. Capability lists are typically kept within the address space of the user. How does the system make sure that the user cannot modify the contents of the list? Answer: An ap
See attachemnt
with aid of diagram describe 2 types of fixed partition allocation used in operating system
Define the Jobs which are admitted to the system for processing is called The Jobs which are admitted to the system for processing is known as long-term scheduling.
what is file abstraction?
Question: a. The following questions refer to a generic Windows file system: i) Describe what happens when you high-level format a floppy disk? ii) What is the maximum size
What is Directory? The device directory or simply called as directory records information-such as name, location, size, and type for all files on that certain partition. The d
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