100+ Free Aruba ACDA Practice Questions

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Question 1

Score: 0/0

When gathering customer requirements for a new Aruba campus design, which interview activity should always come FIRST?

Sketch the proposed BOM with CX 6300 access switches

Identify business drivers and success criteria with stakeholders

Schedule a passive AirMagnet site survey

Choose between VSF and VSX for the access closets

to track

2026 Statistics

Key Facts: Aruba ACDA Exam

Exam Questions

HPE Aruba ACDA datacard

67%

Passing Score

HPE Aruba ACDA datacard

90 min

Exam Duration

HPE Aruba ACDA datacard

$125

Exam Fee

HPE / Pearson VUE

3 yrs

Certification Validity

HPE certification policy

Pearson VUE

Test Provider

HPE

The Aruba Certified Design Associate (ACDA, exam HPE6-A66) certification proves you can translate customer requirements into a defensible Aruba design. The exam covers requirements gathering and stakeholder interviews, predictive/passive/active site surveys, RF planning across 2.4/5/6 GHz with regulatory limits, capacity planning, CX switching tier choices (CX 6300/8325/8400/10000), VSF vs VSX, EVPN-VXLAN, EdgeConnect SD-WAN, Dynamic Segmentation with ClearPass user roles and UBT, and Aruba Central NetConductor and AIOps.

Sample Aruba ACDA Practice Questions

Try these sample questions to test your Aruba ACDA exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1When gathering customer requirements for a new Aruba campus design, which interview activity should always come FIRST?

A.Sketch the proposed BOM with CX 6300 access switches

B.Identify business drivers and success criteria with stakeholders

C.Schedule a passive AirMagnet site survey

D.Choose between VSF and VSX for the access closets

Explanation: Aruba's design methodology starts with business drivers, success criteria, and stakeholder identification. Without understanding why the project exists (mergers, new building, BYOD initiative, compliance), every later decision is unanchored and the design risks solving the wrong problem.

2A customer says "we want better Wi-Fi." Which follow-up question best converts this into a measurable success criterion?

A.Which Aruba AP model do you prefer?

B.What minimum data rate and coverage percentage do you require in each area, and for which device types?

C.How many CX 6300 switches are in your closets today?

D.Will you be using ClearPass or Aruba Central for management?

Explanation: Vague goals like "better Wi-Fi" must be translated to measurable, testable criteria — minimum data rate, target signal strength (e.g., -65 dBm for voice), coverage percentage per area, and device mix. These become the acceptance test for the post-deployment validation survey.

3Which of the following is a CONSTRAINT (rather than a requirement) in an Aruba design project?

A.All voice clients must achieve a -65 dBm or stronger signal

B.The existing fiber plant cannot be re-pulled and limits AP placement

C.Users must be authenticated with 802.1X EAP-TLS

D.Guest traffic must be segmented from corporate traffic

Explanation: Constraints are non-negotiable boundaries the design must accept — existing cabling, budget caps, regulatory limits, building structure, lease terms. The other options are functional/security requirements that the design must achieve.

4During requirements gathering, who is the BEST stakeholder to validate application performance expectations?

A.The CFO, because they own the project budget

B.The application/business owner whose users depend on the application

C.The cabling vendor who installed the fiber

D.The Pearson VUE testing center contact

Explanation: Application owners know how the app behaves, what latency or jitter breaks it, peak concurrent users, and what "working well" means in business terms. The CFO funds the project but does not define application acceptance criteria; cabling and testing vendors are unrelated.

5Which document captures agreed-upon design assumptions, constraints, and success criteria so all parties can sign off before detailed design begins?

A.Bill of Materials (BOM)

B.Statement of Work / Design Requirements Document

C.Pearson VUE exam voucher

D.Aruba Central license activation key

Explanation: The Statement of Work or Design Requirements Document records the agreed scope, assumptions, constraints, success criteria, and exclusions. Sign-off here protects both parties from later scope drift and is the reference for acceptance testing.

6A customer wants high-density Wi-Fi for a 1,200-seat lecture hall. Which type of site survey is MOST appropriate to perform BEFORE the build?

A.Active site survey using production clients

B.Predictive site survey using Ekahau or Aruba Plan with the building floorplan

C.Passive survey only, with no floorplan

D.No survey is needed because the room is rectangular

Explanation: A predictive survey models AP placement, channel plan, and capacity in software using a calibrated floorplan and material attenuation values. It is the right tool BEFORE deployment because no APs exist yet. Active and passive surveys validate AFTER installation.

7What is the PRIMARY difference between a passive and an active site survey?

A.Passive uses 5 GHz, active uses 2.4 GHz

B.Passive listens to APs and measures RSSI/SNR; active associates a client and measures throughput, retries, and roam behavior

C.Passive is performed by Aruba; active is performed by ClearPass

D.Passive requires ClearPass policy; active does not

Explanation: A passive survey measures the radio environment (RSSI, SNR, channel utilization, interference) without associating. An active survey associates a client and measures real performance metrics — throughput, retries, latency, roaming behavior — which validates the user experience.

8When using Ekahau or AirMagnet for a predictive survey, which input has the LARGEST impact on accurate AP-placement output?

A.The color of the floorplan PNG file

B.Calibrated wall material attenuation values for the building

C.Whether the laptop has Windows or macOS

D.The Pearson VUE center where the design will be tested

Explanation: Predictive survey accuracy depends almost entirely on correctly modeling the wall and obstacle attenuation (drywall vs concrete vs glass vs metal mesh). Wrong material values produce wildly wrong coverage maps and mis-place APs. Floorplan color, OS, and exam center are irrelevant.

9After installation, a customer reports voice calls drop when users walk between conference rooms. Which post-install survey BEST diagnoses the problem?

A.A predictive survey of the same floor

B.An active survey with a voice client walking the path while measuring roam events, latency, and signal handoff

C.A BOM review

D.A check of Aruba Central license counts

Explanation: Roaming issues are diagnosed by walking the actual path with a real voice client and capturing roam events, target AP RSSI at handoff, latency spikes, and channel changes. Predictive surveys cannot show real client behavior; BOM and license counts are unrelated.

10What is the PRIMARY purpose of planning 15-20% cell overlap between adjacent APs on the same band?

A.It allows clients to roam smoothly without dropping connections

B.It increases the maximum data rate of every client

C.It lets two APs share the same channel without interference

D.It is required for 802.1X authentication to work

Explanation: 15-20% cell overlap on the secondary coverage AP gives clients a viable target before the current AP becomes unusable, enabling smooth roaming. Too little overlap causes drops at boundaries; too much creates co-channel interference and unnecessary AP cost.

About the Aruba ACDA Exam

The Aruba Certified Design Associate (ACDA) validates foundational network design skills for Aruba campus and branch solutions, covering customer requirements, RF/site-survey methodology, capacity planning, CX switching design, VSF/VSX resilience, Dynamic Segmentation with ClearPass, EdgeConnect SD-WAN, and Aruba Central management.

Questions

60 scored questions

Time Limit

90 minutes

Passing Score

67%

Exam Fee

$125 (HPE Aruba / Pearson VUE)

Aruba ACDA Exam Content Outline

15%

Analyzing & Documenting Customer Data

Stakeholder interviews, business drivers, requirements vs constraints, success criteria, statement of work, and design assumptions sign-off

25%

Aruba Design Solutions

CX switching portfolio (6100/6200F/6300/8325/8360/8400/10000), VSF vs VSX, EVPN-VXLAN, AOS-S vs AOS-CX selection, Mobility Gateways, EdgeConnect, ClearPass

23%

Planning & Designing per Customer Requirements

Site surveys (predictive/passive/active), RF design (channel planning 2.4/5/6 GHz, PSC, channel widths, EIRP, FCC/ETSI/MIC), capacity planning, AP-to-controller ratios, growth headroom

25%

Producing Design Specifications

BOM construction, HLD/LLD deliverables, link sizing, oversubscription, PoE budget, QoS (WMM, DSCP-46/EF, strict-priority), redundancy modeling, geographic redundancy with EVPN-VXLAN

12%

Recommending & Justifying Solutions

Mapping every design decision to documented business drivers, executive walkthrough, design sign-off, lifecycle cost (NaaS vs perpetual), risk and tradeoff communication

How to Pass the Aruba ACDA Exam

What You Need to Know

Passing score: 67%
Exam length: 60 questions
Time limit: 90 minutes
Exam fee: $125

Keys to Passing

Complete 500+ practice questions
Score 80%+ consistently before scheduling
Focus on highest-weighted sections
Use our AI tutor for tough concepts

Aruba ACDA Study Tips from Top Performers

1Memorize the cell-overlap (15-20%), voice-coverage targets (-65 dBm primary, -67 dBm secondary), and 5 GHz non-DFS vs DFS channel counts

2Drill the WHY/WHEN matrix: VSF vs VSX, AOS-S vs AOS-CX, local role vs UBT, AirWave vs Central, MPLS vs Internet, two-tier vs three-tier

3Practice capacity math: clients-per-AP-radio (30-50 office), AP count = max(coverage, capacity), uplink sizing = ports x average draw

4Know the 6 GHz design rules: PSC channels at 4-channel spacing, WPA3-only, LPI vs AFC power classes, why a separate 6 GHz SSID often wins

5Drill design deliverables: HLD vs LLD content, BOM contents (SKUs + optics + PoE + subscriptions + support), and how to justify each decision against documented success criteria

Frequently Asked Questions

What is the Aruba ACDA exam format?

The ACDA (HPE6-A66) is a 90-minute proctored exam delivered at Pearson VUE test centers. It contains roughly 60 multiple-choice and drag-and-drop questions, with a passing score of approximately 67%. The exam fee is approximately $125 USD and the certification is valid for three years.

How is ACDA different from ACSA or HPE Aruba Associate?

ACDA tests DESIGN judgment — translating customer requirements into a defensible Aruba architecture and BOM. ACSA and the HPE Aruba Associate test CONFIGURATION knowledge of CX switching, VLANs, OSPF, and ClearPass. ACDA assumes you know the products and asks WHY/WHEN to choose them.

Does ACDA cover both wired and wireless design?

Yes. Expect questions on RF planning (2.4/5/6 GHz channels and widths, PSC channels, regulatory EIRP), site survey methodology, AP/controller sizing, CX switching tier choices, VSF vs VSX, Dynamic Segmentation with ClearPass, EdgeConnect SD-WAN, and Aruba Central NetConductor and AIOps.

Do I need to know Pensando CX 10000 and EVPN-VXLAN?

At a design level, yes. ACDA expects you to recognize when CX 10000 with Pensando DPUs fits a data center top-of-rack with stateful microsegmentation needs, and when EVPN-VXLAN with anycast gateway is the right multi-site overlay versus a stretched-VLAN STP design.

How long should I study for the Aruba ACDA?

Plan for 60-100 hours over 6-10 weeks. Focus on requirements/site-survey methodology, RF design tradeoffs, capacity planning math, and the WHY/WHEN of CX/Mobility/ClearPass/EdgeConnect choices. Hands-on Aruba Sizer and Aruba Plan time helps cement the design workflow.