| http://www.w3.org/ns/prov#value | - ommand you typed in somehow changes the state of the router or one of its components, such as an interface coming up or going downTherefore, you should be concerned primarily after you enter a command and the IOS displays a message you should assume that a problem may exist Of course, when you are configuring an IOS device, you will sometimes make typing mistakes or enter invalid commands If you t
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