An administrator needs to upgrade the IOS in a router to a version that supports new features. Which factor should the administrator consider before performing the upgrade?
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An administrator needs to upgrade the IOS in a router to a version that supports new features. Which factor should the administrator consider before performing the upgrade?
- NVRAM must be erased before the new IOS can be installed.
- The old IOS should be backed up to NVRAM so that it is not lost during a power failure.
- The new IOS might require more RAM to function properly.
- The old IOS must be removed first.
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