Lecture 1 (Part 1)

Question 1

What is a Distributed System?

Answer 1

A distributed system is a collection of
computer subsystems which belong logically
to the same system but are spread over the
sites of a computer network.

Question 2

What are the two aspects of a Distributed System?

Answer 2

1. Distributed

2. Logically Co-related

Question 3

What is a Distributed aspect?

Answer 3

The subsystems do not reside at the same site.

Question 4

What is a Logically Co-related aspect?

Answer 4

The subsystems have the same properties which tie them together. All subsystems logically belonging to the same system.

Question 5

What are the Two Types of Application of a Distributed System?

Answer 5

1. Local Application

2. Global Application

Question 6

What is a Local Application?

Answer 6

These are applications which require to access the resources of its local site

Question 7

What is a Global Application?

Answer 7

These are applications which access resources at more than one branch

Question 8

What are the Access Plans?

Answer 8

1. Global Access Plan

2. Local Access Plan

Question 9

What is a Global Access Plan?

Answer 9

Determines what information must be accessed at which sites and which files must be transmitted between sites.

Question 10

What is a Local Access Plan?

Answer 10

Decides how to perform the local resource accesses at each site