What kind of server is another computer that screens all your incoming and outgoing messages?

When using a public computer or network, you should always

Is an attack that relies on guessing the isns of tcp packets

Which of the following tasks is an audio technician most likely to perform while working on a nature documentary? (select all that apply). eliminating potentially distracting background noise adding sound effects making sure the lighting is adequate for a particular scene changing the narration to better match the mood of the documentary