Fundamentals of Distributed Programming

Question 1

What is a distributed system?

Answer 1

system where components located on different networked computers that communicate with each other

Question 2

False information about centralized systems?

Answer 2

1. they do not scale
2. they have a single point of failure

ABOVE ARE UNTRUE!

Question 3

Goals of a distributed system?

Answer 3

1. sharing resources
2. distribution transparency (look like one whole system)
3. openness (integrated into other systems)
4. dependability (mask failures)
5. scalability

Question 4

What is transparency?

Answer 4

Distributed system tries to hide the fact that its spread accross multiple computers / separated by distances.

Question 5

3 Dimensions for Scalability

Answer 5

1. Size: # of users/processes
2. Geographical: distance between nodes
3. Administrative: # of administrative domains