Question Detail Command to delete NVRAM on a router delete NVRAMdelete running-configerase NVRAMerase start Answer: Option D Similar Questions : 1. Meaning of IOS is Integrated operating systemIntergrated open systemInternetworking operating systemNone of above Answer: Option C 2. CLI in IOS terminology is short form of Caller line interfaceCommon line interfaceCommand link interfaceNone of above Answer: Option C 3. Which layer of OSI model will have problem if you get message "Serial1 is down, line protocol is down" after typing "show interface serial 1" Physical LayerDatalink LayerNetwork layerIt is router problem Answer: Option A 4. Which is not a function of IOS Carrying network protocols and functionsConnecting high speed traffic between devices Providing scalability for ease of network growth and redundancyCreating session between hosts in LAN Answer: Option D 5. Which mode provides interactive configuration dialog User EXEC modePrivileged modeGlobal configuration modeSetup mode Answer: Option D Read more from - IOS Questions Answers