Exam 1: Distributed Systems and Communication Protocols

A distributed system is defined as a collection of autonomous computers linked by a network with software designed to produce an integrated computing facility.

Type of grid computing is

What is close group in group communication?

If processes p and q both receive messages m and m', then p receives m before m' if and only if q receives m before m'.The order delivery is called

In RMI, the objects are passed by .

---------------- is an object acting as a gateway for the client side.

Transient communication done by layer

Distributed pervasive system is also known as

Scaling transparency hides

Which of the following allocates/deallocates buffers

The hardware of DS has two types

Type of cluster computing is

Which address is used to identify a process on a host by the transport layer?

The local operating system on the server machine passes the incoming packets to the

A "glue" between client and server parts of application

An architecture where clients first communicate the server for data then format and display it to the users, is known as

The header usually consists of the following elements in IPC I. Sequence number II. Structural information III. Address IV. File mode(Read/ Write)

What are the exceptions which have to be handled in a RMI client program?

Message passing provides a mechanism to allow processes to communicate and to synchronize their actions

---------------------provides programmers a familiar programming model by extending the local procedure call to a distributed environment