CS526 S2006 Midterm Review
Previous Exam
CS526 S006 midterm will be on-line examine.
3/15, 7:15pm. Open book, Open note. You have until 11:59pm Wednesday to submit.
Use your CS Unix login as username and the your student ID
as password to login and submit your answer. Make a hard copy for record.
Introduction to CDN
- What is the first mile problem? What is the last the mile problem?
- What are client cache server, edge cache server, and mirror server? How
are they used? What the advantages and disadvantages?
- Comparison of Cluster-based Web System, Virutal Web Clusters, and Distributed
Web Systems.
Web Hosting and Secure Access with Apache
- Basic httpd.conf configuration for web server, cache server, and reverseproxy
server.
- Comparison of the three virutal web hosting techniques.
- Baisc Authentication and Access Control with login and password protection.
- Configure Apache for Secure Web Access
- Secure Web Access with Client Certificate.
LVS
- Overview article on LVS.
- What are the three basic configurations of LVS?
- What are advantages and limitations and potential drawbacks of each configuration?
- What the IP address/Mac addres changes in the packet flow among director,
real server, and client
LCS Content Switch
- What are the advantages of using content switch as opposed to layer 4 switch such as LVS?
- What is TCP delayed binding and how to improve its processing?
- How to imporve the content switching rule matchig?
- Current content switches do not take into consideration of accurate server load and bandwidth between real servers and client. How we would you schedule the real servers based on these additional info?
