After working on a router, some problems arise and you wish to view the commands that you recently entered. Which IOS command opens the history buffer and displays the most recently entered commands?

A
A 解析：Explanation:The router will buffer previously entered commands. By default, the "show history" command will display the previous ten commands that were entered. To see the contents of the buffer you enter the show history command.Incorrect Answers:B. This command will show the memory buffer informationC, D. These are invalid commands.