) Describe how web caching can reduce delay in receiving a requested object. Will Web caching reduce the delay for all objects requested by a user or for only some of the objects? Explain why?

1. What vendors provide easy-to-implement web server software?

Ethics Robert, a case manager, has decided to create a list on the listserv from his own Internet service at home for his various patients' illnesses. He establishes one list for each of the following chronic conditions: asthma, diabetes, and congestive heart failure (CHF). He automatically enrolls all of his patients that he has email addresses for into their appropriate list with the intention that they can share information and support among themselves, as well as making it easier for him to share information with his patients. Everything is going well for the first month of the listserv exchange. However, a virus is introduced to the lists and everyone is contaminated. This virus has damaged the patients' hard drives on their home computers and some patients' work computers have been harmed. The patients contact Robert's employer and demand to be reimbursed for all damages to their machines and are very upset that these lists were created in the first place. Robert's employer was…

Describe the technologies used by Web servers to create personalised Web pages in response to user requests. Include a comparison of client-side and server-side techniques, as well as an explanation of the benefits of each.