SOAP and XML are ____________________ that might underlie a request made to a Web service.

The acronym RSS stands for ________

Fill in the blank(s) with correct word

Why is a FIFO page-replacement strategy impractical for most systems?

a) It replaces the page that has been in main memory the shortest amount of time. b) It could lead to a decreased page-fault rate. c) It could accidentally replace a heavily used page, such as one belonging to a text editor shared by several users. d) The strategy’s implementation incurs substantial overhead.