HPE6-A85 Exam Information and Outline
Aruba Certified Associate - Campus Access (ACA)
HPE6-A85 Exam Syllabus & Study Guide
Before you start practicing with our exam simulator, it is essential to understand the official HPE6-A85 exam objectives. This course outline serves as your roadmap, breaking down exactly which technical domains and skills will be tested. By reviewing the syllabus, you can identify your strengths and focus your study time on the areas where you need the most improvement.
The information below reflects the latest 2026 course contents as defined by HP. We provide this detailed breakdown to help you align your preparation with the actual exam format, ensuring there are no surprises on test day. Use this outline as a checklist to track your progress as you move through our practice question banks.
Below are complete topics detail with latest syllabus and course outline, that will help you good knowledge about exam objectives and topics that you have to prepare. These contents are covered in questions and answers pool of exam.
Exam Code: HPE6-A85
Exam Name: Aruba Certified Associate - Campus Access (ACA)
Exam type: Proctored
Exam duration: 1 hour 30 minutes
Exam length: 60 questions
Passing score: 67%
Delivery languages: English- Japanese- Latin American Spanish
- Network Stack (10%)
- OSI model layers (Physical- Data Link- Network- Transport- Session- Presentation- Application).
- TCP/IP stack fundamentals (e.g.- IP addressing- subnetting- ICMP).
- Encapsulation and de-encapsulation processes.
- Common protocols (e.g.- ARP- DHCP- DNS).
Terminologies:
- OSI Model: 7-layer reference model for network communication.
- TCP/IP Stack: Suite of protocols including IP (Internet Protocol)- TCP (Transmission Control Protocol)- UDP (User Datagram Protocol).
- Encapsulation: Wrapping data with headers/trailers at each OSI layer (e.g.- Ethernet frame at Layer 2).
- ARP (Address Resolution Protocol): Maps IP addresses to MAC addresses.
- DHCP (Dynamic Host Configuration Protocol): Automates IP address assignment.
- CIDR (Classless Inter-Domain Routing): Notation for subnet masks (e.g.- /24).
- Connectivity (8%)
- Ethernet cabling standards and PoE (Power over Ethernet).
- Wireless connectivity basics (SSID association- client roaming).
- IP addressing and subnetting for connectivity.
- Basic troubleshooting of connectivity issues.
- Terminologies:
- PoE (Power over Ethernet): Delivers power and data over Ethernet cables (e.g.- IEEE 802.3at for 30W).
- SSID (Service Set Identifier): Name of a wireless network for client association.
- Ethernet II Framing: Standard frame format with preamble- destination/source MAC- EtherType.
- Subnetting: Dividing networks into smaller subnetworks (e.g.- VLSM - Variable Length Subnet Masking).
- ClientMatch: Aruba technology for seamless client steering across APs based on RF conditions.
- RSSI (Received Signal Strength Indicator): Measures wireless signal strength in dBm.
- Network Resiliency and Virtualization (8%)
- Redundancy protocols (e.g.- VRRP- link aggregation).
- VLANs for traffic segmentation.
- Basic virtualization concepts (e.g.- VXLAN in campus).
- Failover and resiliency features in Aruba switches/APs.
Terminologies:
- VRRP (Virtual Router Redundancy Protocol): Provides gateway redundancy with a virtual IP.
- LACP (Link Aggregation Control Protocol): IEEE 802.3ad for bundling links (e.g.- LAG - Link Aggregation Group).
- VLAN (Virtual Local Area Network): IEEE 802.1Q tag for logical network segmentation.
- VXLAN (Virtual Extensible LAN): Encapsulates Layer 2 over Layer 3 for virtualized overlays.
- VSX (Virtual Switching Extension): Aruba AOS-CX feature for stacking switches with split-brain prevention.
- STP (Spanning Tree Protocol): Prevents loops (variants: RSTP - Rapid STP- MSTP - Multiple STP).
- Switching (15%)
- Port configuration (access- trunk- hybrid).
- VLAN assignment and inter-VLAN routing.
- MAC address learning and forwarding.
- Basic QoS and storm control.
Terminologies:
- AOS-CX: Aruba Operating System for CX switches (modular- intent-based).
- Trunk Port: Carries multiple VLANs with 802.1Q tagging.
- Access Port: Untagged single VLAN port for end devices.
- MAC Table (Forwarding Database): Switch table mapping MAC addresses to ports.
- Inter-VLAN Routing: Layer 3 switching using SVIs (Switched Virtual Interfaces).
- Storm Control: Limits broadcast/multicast traffic to prevent storms.
- WLAN (15%)
- RF concepts (channels- interference- power levels).
- AP modes (controller-based- Instant AP).
- SSID configuration and WPA3 security.
- Basic WLAN troubleshooting (e.g.- coverage- interference).
Terminologies:
- AP (Access Point): Device providing wireless coverage (e.g.- Aruba 500/600 series).
- RF (Radio Frequency): Wireless signal propagation (2.4 GHz- 5 GHz- 6 GHz bands).
- Channelization: Dividing spectrum into non-overlapping channels (e.g.- 20/40/80 MHz widths).
- WPA3 (Wi-Fi Protected Access 3): Latest security with SAE (Simultaneous Authentication of Equals) for enhanced protection.
- ARM (Adaptive Radio Management): Aruba feature for dynamic channel/power optimization.
- OFDMA (Orthogonal Frequency Division Multiple Access): Wi-Fi 6 technology for multi-user efficiency.
- Routing (12%)
- Static and dynamic routing (OSPF basics).
- Route advertisement and summarization.
- Default gateways and route metrics.
- Troubleshooting routing tables.
Terminologies:
- Static Route: Manually configured path (e.g.- ip route 0.0.0.0/0
- OSPF (Open Shortest Path First): Link-state routing protocol (areas- LSAs - Link State Advertisements).
- Routing Table: FIB (Forwarding Information Base) for next-hop decisions.
- Administrative Distance: Trust metric for route selection (e.g.- 1 for connected- 110 for OSPF).
- Route Summarization: Aggregating routes (e.g.- 10.1.0.0/16 from /24 subnets).
- VRF (Virtual Routing and Forwarding): Isolates routing tables for segmentation.
- Security (10%)
- Firewall roles and policies.
- Threat detection (e.g.- ARP inspection).
- Basic encryption and access control.
Terminologies:
- User Role: Aruba policy defining access permissions (e.g.- employee- guest).
- Firewall Policy: ACLs (Access Control Lists) for traffic filtering (e.g.- session-based).
- DAI (Dynamic ARP Inspection): Validates ARP packets against DHCP snooping bindings.
- 802.1X Port Security: Port-based authentication for wired/wireless.
- ACL (Access Control List): Rules for permitting/denying traffic (standard/extended).
- Rogue AP Detection: Scanning for unauthorized APs.
- Authentication/Authorization (7%)
- 802.1X/EAP methods.
- MAC authentication and MPSK.
- Role derivation and enforcement.
Terminologies:
- ClearPass: Aruba NAC (Network Access Control) platform for policy enforcement.
- EAP (Extensible Authentication Protocol): Frameworks like EAP-TLS- PEAP-MSCHAPv2.
- MPSK (Multi-Pre-Shared Key): Unique PSKs per device on same SSID for headless IoT.
- RADIUS (Remote Authentication Dial-In User Service): AAA protocol for auth/authz.
- NAS (Network Access Server): Switch/AP acting as RADIUS client.
- Profiler: ClearPass tool for device profiling (e.g.- OS/fingerprint-based roles).
- Management and Monitoring (7%)
- Centralized management dashboards.
- Client and AP monitoring.
- UXI (User Experience Insight) for synthetic testing.
Terminologies:
- Aruba Central: Cloud-based management platform for APs- switches- gateways.
- UXI (User Experience Insight): Aruba tool for proactive monitoring via synthetic tests.
- SNMP (Simple Network Management Protocol): Polling for device stats (v2c/v3).
- Telemetry: Streaming data (e.g.- NetEdit for switch config validation).
- Dashboard Widgets: Visuals for KPIs like client count- uptime.
- API (Application Programming Interface): For integrating with external tools.
- Troubleshooting (4%)
- Diagnostic commands (show- debug).
- Log analysis and common failure modes.
- Layered troubleshooting (bottom-up OSI).
Terminologies:
- show Commands: AOS-CX CLI for status (e.g.- show interfaces- show log).
- Debugging: Real-time packet capture (e.g.- debug ip packet).
- Syslog: Centralized logging (severity levels: info- warning- error).
- Packet Tracer: Simulates traffic paths for fault isolation.
- Loopback Interface: Testing tool for Layer 3 connectivity.
- MTTR (Mean Time to Repair): Metric for resolution speed.
- Performance Optimization (3%)
- QoS policies for traffic prioritization.
- Bandwidth management.
- Basic load balancing.
Terminologies:
- QoS (Quality of Service): Prioritizes traffic (e.g.- DSCP - Differentiated Services Code Point).
- CoPP (Control Plane Policing): Protects CPU from DoS via rate limiting.
- WMM (Wi-Fi Multimedia): 802.11e for wireless QoS (voice/video queues).
- Bandwidth Contracts: Aruba role-based limits on throughput.
- AirMatch: Aruba RF optimization for AP placement/channel selection.
- Latency: Round-trip time (RTT) in ms for performance metrics.