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Chapter 3: Remote Procedure Call Communication

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Chapter 3: Remote Procedure Call Communication

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Questions and Answers

What is the purpose of the RPC scheme mentioned in the text?

To design Android applications

To replace system calls in an operating system

To implement a distributed file system (correct)

To create a client-server network

In the context of RPC mentioned in the text, where are the messages addressed to?

Android operating system

A separate file storage system

Main memory of a client machine

Distributed file system port on a server (correct)

Which of the following is NOT mentioned as a possible disk operation in the RPC scheme described in the text?

status()

delete()

rename()

stop() (correct)

What type of data does the return message in the RPC scheme typically contain?

Resulting data from the call Signup and view all the answers

How are IPCs used in the Android operating system according to the text?

As RPC mechanisms between processes on the same system Signup and view all the answers

Which framework in Android includes rich IPC mechanisms, as mentioned in the text?

Binder framework Signup and view all the answers

What does Android define as a basic building block that provides utility to an Android application?

Application component Signup and view all the answers

In Android applications, what can multiple application components be combined to achieve?

Provide functionality to an app Signup and view all the answers

What is one of the key roles of an RPC daemon, based on the text provided?

Handle client requests for distributed file system operations Signup and view all the answers

Why might several requests be needed for a whole file transfer in the RPC scheme mentioned?

To allow for transferring large files in smaller blocks Signup and view all the answers