ECE 3803: Final Exam
Instructions: You have 2 hours and 50 minutes to
complete this exam. The exam is closed book and closed
notes, with the exception of one 8.5 x 11 sheet of paper.
No calculators are allowed. Make sure to show your work
on all problems.
Cloud Computing Overview*
*some material excerpted from slides of
Roy Campbell, Reza Farivar at UIUC
Part 1: Background and Cloud Basics
What is Cloud Computing?
NIST Definition - July 2011:
Cloud computing is a model
Distributed Storage Systems:
Data Replication using Quorums
Software/object replication focus on dependability of
What if we are primarily concerned with integrity and
availability (and perhaps confidentiality) of data?