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CCNA Practice Test - 28
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In a Cisco device, where is the IOS file stored prior to system startup?
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A
Flash
💡 Explanation:
Cisco IOS is stored in Flash memory, which is non-volatile EEPROM. During bootup, IOS is copied from Flash to RAM where it actually runs. ROM contains bootstrap code, NVRAM stores startup-config, and RAM runs the operating system but doesn't store it persistently.