单项选择题
A section of the building has been having intermittent connectivity problems lately. An action plan and solution has been created. Which of the following steps would an administrator perform NEXT?（）
A. Document the solution and process. B. Establish the most probable cause. C. Implement and test the solution. D. Identify additional symptoms and problems
单项选择题 Which of the following is used to identify active hosts along with their network addresses?（）
单项选择题 Which of the following can be an STP cable？（）
单项选择题 Which of the following describes the location where an administrator would terminate a bundle ofCAT5e cables?（）
