Which term is used to describe a network security device or host software that filters communications, usually network traffic, based on a set of predefined rules? a. snifferb. auditorc. hackerd. firewall

When early motion pictures played in movie theaters, they were often accompanied by live organ or piano music. which of the following are the most likely reasons that this happened? (select all that apply). the music was provided to distract audience members from the loud sounds made when filmstrips were changed. the music accompanied the movies because the movies were silent and audiences were used to hearing music during plays in theaters. the music usually was played before, and sometimes after the movie, as an alternative form of entertainment. the music viewers to interpret the dramatic action in the films.

Select the correct answer. a company is currently focusing on creating specific management goals for itself. which level of maturity is the company demonstrating under the sse_ccm framework? a. performed informally b. planned and tracked c. quantitatively controlled d. well-defined e. continuously improving

The song about casey jones a railroad engineer who gives his life on the job would most likely gall under the folk song category of? a-work song b-nonsense song c-religious song d-ballad