________ a project may help to level a project or complete a project faster but may also cause the project to go over budget

What is the name of the device that is used primarily to secure a network?

A) Switch B) VPN concentrator C) Firewall D) Router

Show that your data model supports the following transactions:

(i) Add a new course to the database, prior to it being offered on any particular day or from any particular date. (ii) Enrol a new student on the ‘German level 2’ course that runs on Monday evenings commencing October 10 1994. Bearing in mind the above transactions, explain how the physical database design might be influenced describing what changes you might make etc, and how the application (and transactions) would be affected. Your comments can apply to both computerized procedures and manual procedures.