Implementing and Operating Cisco Data Center Core Technologies (DCCOR) — Question 154

Which feature is supported with an In-Service Software Upgrade on a Cisco Nexus 9000 Series Switch?

Answer options

• A. nondisruptive upgrades via nonstop forwarding
• B. configuration changes during an upgrade
• C. upgrades to individual modules and line cards
• D. zero downtime downgrades via dual supervisor modules

Correct answer: A

Explanation

The correct answer is A because the In-Service Software Upgrade allows for nondisruptive upgrades through nonstop forwarding, ensuring that the switch continues to operate without interruption. Options B, C, and D are incorrect as they do not specifically relate to the capabilities provided by an In-Service Software Upgrade on the Cisco Nexus 9000 Series Switch.