フリー問題: An engineer has to change two things ins…

フリー問題

Supporting Cisco Devices for Field Technicians のフリー問題 17 / 20 問目

問題文

An engineer has to change two things inside a branch router and asks for which of them the router has to be brought down. Which statement is correct?

Replacing the CompactFlash card and changing a network module can both be done with the router still up, as long as the part has been stopped at the prompt beforehand.
Replacing the CompactFlash card can be done with the router still up, while a network module calls for the supply to the router to be switched off.
Replacing the CompactFlash card and changing a network module both call for the supply to the router to be switched off, since either of them touches the bus that runs through the chassis.
Replacing the CompactFlash card calls for the supply to the router to be switched off, while a network module can be changed with the router still up.

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