The correct answer isBbecause Aruba CX switches include advanced features such ashitless upgrades (In-Service Software Upgrades, ISSU)andintelligent orchestration toolsthat allow software updates and changes to be performed without downtime. This ensures continuous availability for the wireless infrastructure, as access points rely on the wired underlay provided by CX switching. Keeping the wired foundation resilient is critical to ensuring the wireless network remains available at all times.
Relevant extracts from official HPE Aruba Networking documentation:
“Aruba CX switches deliver high availability with features like hitless software upgrades and live patching, ensuring nonstop operations.”
“With Aruba CX automation and orchestration, IT teams can roll out software updates without service disruption, guaranteeing continuous connectivity for dependent wireless networks.”
“The always-on architecture of Aruba CX ensures resiliency and maximizes uptime for enterprise wireless deployments.”
“Continuous availability is achieved by eliminating planned downtime during upgrades, a key requirement for supporting critical wireless networks.”
Why the other options are incorrect:
AClearPass Policy Manager provides secure access control and policy enforcement but does not ensure wireless network availability.
CClearPass Device Insight focuses on device visibility and profiling, not proactive wireless availability assurance.
DFabric Composer is designed for data center fabric automation, not wireless availability.
References (HPE Aruba Networking Solutions / Study Guides):
Aruba CX Switches — High Availability and In-Service Software Upgrade (ISSU) Overview
Aruba ESP Always-On Infrastructure — Technical White Paper
Aruba CX Automation and Orchestration — Solution Brief
Aruba Campus and Branch Networking with Aruba CX — Deployment Guide
===========
