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350-601 Security Practice Question
Order the steps to upgrade the software on a Cisco Nexus switch using ISSU.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Copy the new image to the bootflash, then set the boot variable to the new image, then perform a compatibility check, then issue the 'install all' command, then reload the switch.
ISSU requires image copy, boot variable, compatibility check, upgrade command, and reload.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Copy the new image to the bootflash, then set the boot variable to the new image, then perform a compatibility check, then issue the 'install all' command, then reload the switch.
Why this is correct
This is the correct order because the new image must be copied first, then the boot variable must point to it, a compatibility check ensures a successful upgrade, and the 'install all' command initiates the ISSU process followed by a reload.
- ✗
Copy the new image to the bootflash, then perform a compatibility check, then set the boot variable to the new image, then issue the 'install all' command, then reload the switch.
Why it's wrong here
This is incorrect because the boot variable must be set before the compatibility check to ensure you are checking the correct image that will be used for the upgrade.
- ✗
Copy the new image to the bootflash, then set the boot variable to the new image, then issue the 'install all' command, then perform a compatibility check, then reload the switch.
Why it's wrong here
This is incorrect because the compatibility check should be performed before issuing 'install all' to identify any issues early, even though 'install all' may perform its own check.
- ✗
Set the boot variable to the new image, then copy the new image to the bootflash, then perform a compatibility check, then issue the 'install all' command, then reload the switch.
Why it's wrong here
This is incorrect because you cannot set the boot variable to an image that has not yet been copied to the switch; the image must be present first.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 350-601 practice question is part of Courseiva's free Cisco certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the 350-601 exam.