IT Applications U302: Techniques & procedures for manipulating and transmitting files used in a virtual team environment, including encryption, access hierarchy, regular backups, virus detection software, classifying & naming files into appropriate directories/folders, version control. IT Applications, Ch 4, p 138-141 Encryption software 1 Explain how encryption works. Encryption is a security procedure where the message of the data is disguised by the use of algorithm so that it can only be read by a person with same security software key. Access hierarchy 1 What is meant by access hierarchy? Access hierarchy refers to rights of access within a network, different levels of permissions of users. What port does a secure website use? Port 443 Virus detection software 1 How often should this software be updated? Virus detection software should be update regularly with the latest software. Backups 1 Explain the 3 types of backups. A full: Full back up involves copying all of the chosen files to a back up device B differential: Differential backup is used with a full back up, once full back up has been completed on the first set of media, only files that have been changed or created are backed up onto the second set. C incremental: Is used in conjunction with full back up. It backs up changes made since the last back up. File-naming conventions 1 List conventions for file-naming. File names should have a contain enough information to reveal the type of file, date, revision number of the document and department name. Filing naming conventions are different for different operating system. 2 When is a sequential file-naming convention used? It clearly indicate which copy of a particular document is which. D:\Docstoc\Working\pdf\40ae0beb-f1d3-4109-83c9-ba5a38006a41.doc 3 What is the role of directories? Directories help to locate files quickly. Version Control 1 What is a strategy with virtual teams to avoid team members not working on the correct file/s? To avoid problems associated with different versions of a project, is to store the working files in a central location, accessible to all team members and using a sequential file naming strategy that clearly identifies the most recent version.