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Official specifications published by Aruba
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HPE4-A53 Exam Topics and Domains
HPE4-A53 is organized into 5 weighted domains. Expect to work with AOS-CX, HPE Aruba Networking Central, ClearPass, ClearPass (CPPM), and more.
Configure and validate security features in CLI and HPE Aruba Networking Central
AAA services
Configure and validate AAA (RADIUS, TACACS, ClearPass, 802.1X, MAC Auth, Port security)
Policy and access control
- Configure and validate ACL, classifier policy, user roles
- Configure and validate dynamic segmentation
Configure and validate dynamic routing
OSPF
- Configure and validate multi-area OSPF (ABR & ASBR, STUB, NSSA, Route summarization, and graceful restart)
- Configure and validate OSPF route filtering, route injection, and route redistribution ECMP
- Configure and validate advanced OSPF features (load sharing, passive/active OSPF interfaces)
BGP
Configure and validate BGP (compare and contrast iBGP and eBGP operations, route filtering, prefixes, route preferences, route reflectors, path attributes, load sharing, route maps, route selection rules, route redistribution)
Migrate a network to Layer 3 services, routing, and overlay in CLI and HPE Aruba Networking Central
Overlay and tunnels
- Migrate a customer network to Layer 3 services, routing, and overlay in CLI and HPE Aruba Networking Central
- Configure and validate tunnels (VXLAN, UBT)
Layer 2 switching
- Configure and validate Layer 2 switching and resolve complex issues in CLI and HPE Aruba Networking Central
- Configure and validate link aggregation groups (static and dynamic LACP)
- Configure and validate STP (MSTP, RSTP) and implement STP hardening
- Configure and validate advanced VSX features
- Configure and validate VLANs to support requirements
- Isolate failing component by structured troubleshooting
- Evaluate and remediate network redundancy issues
Configure, validate, and optimize a complex multicast scenario
Multicast
- Configure and validate IGMP and IGMP Snooping
- Configure and validate PIM-SM, PIM-DM, MSDP
- Optimize resiliency
- Optimize redundancy
- Configure and validate advanced VSX features
Diagnose and resolve a complex network issues
Structured troubleshooting
- Diagnose and resolve a complex network issues
- Identify the failure using appropriate tools (traffic analysis, NAE, CLI, HPE Aruba Networking Central)
- Evaluate the failure impact based on customer requirements and design
- Determine if a configuration change can resolve the issue
- Anticipate the impact of remediation steps
- Evaluate the network for end-to-end connectivity issues (Layer 1 through 4 issues, including dynamic routing and spanning tree, VSF, VSX, aggregations, and application behavior)
- Configure and analyze the debugging outputs
- Isolate failing component by structured troubleshooting
How do I earn this certification?
Passing HPE4-A53 earns the HPE Aruba Networking Certified Expert - Switching (ACX-S) certification. It sits in the Switching track.
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The most effective way to prepare for HPE4-A53 is by using the PlanetCert Simulator to practice questions and review detailed explanations.
What's changed on this exam?
- ACTIVE
- Last content update: 2026-02 (datasheet Revision 7)
Who should take this exam?
- Advanced AOS-CX Switching, Rev. 25.11 course (0001208241)
- Building complex wired networks experience
- Tier-4 support / architect-level experience
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