单项选择题 Which of the following would be used to test out the security of a specific network by allowing it toreceive security attacks?（）

单项选择题 An administrator is implementing a second server due to the increased usage. Which of the following optimization techniques is the administrator using?（）

单项选择题 A technician needs to install additional access points for a new high speed connection being added in the new office space. Which of the following will MOST likely be installed to allow additional CAT5 cable connections?（）