1. Which of the following is NOT required for a client application to communicate with a server application assuming that they are running on different machines connected by the internet ? (eg. a web-browser and a web-server).

A. hostname of server

B. IP address of server

C. operating system of server machine

D. port number that server is listening on 2. Which of the following is NOT required for a client application to access data on a database server in addition to the networking information of question 1 ?

A. database name

B. password

C. database size

D. username