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From a free demo to 365 days of free updates and a 60-day money-back guarantee if you fail the corresponding exam, 2Pass4sure covers the whole 31861X preparation journey. For most candidates in 2026, the Avaya OneCloud™ UCaaS Design Certified package with 61 practice questions is the only stop they need.

Avaya 31861X Exam Overview:

Certification Vendor:Avaya
Exam Name:Avaya OneCloud™ UCaaS Design Certified Exam
Exam Number:31861X
Passing Score:68%
Related Certifications:Avaya OneCloud UCaaS Implementation Certification
Avaya Certified Design Specialist (ACDS)
Available Languages:English
Real Exam Qty:60
Exam Duration:90 minutes
Exam Format:Multiple Choice
Sample Questions: DOWNLOAD DEMO
Exam Way:Delivered at Pearson VUE testing centers or online via Avaya's authorized exam delivery partners.
Pre Condition:Candidates should have networking and unified communications experience; formal Avaya design or implementation training recommended.
Official Syllabus URL:https://www.avaya-learning.com/

Avaya 31861X Exam Syllabus Topics:

SectionObjectives
Security and Integration- Secure Deployment
  • 1. Encryption and TLS
  • 2. Session Border Controller Integration
Sizing and Licensing Considerations- Capacity Planning
  • 1. User and Endpoint Sizing
  • 2. License Allocation
Avaya OneCloud UCaaS Solution Design- Core UCaaS Architecture
  • 1. Solution Requirements Gathering
  • 2. Designing Avaya OneCloud UCaaS Solutions
Network and QoS Design- WAN and LAN Requirements
  • 1. Bandwidth Planning
  • 2. Quality of Service (QoS) Design
Avaya Aura Platform Integration- Platform Components
  • 1. Avaya Aura Communication Manager
  • 2. Avaya Aura Session Manager

Avaya 31861X Exam: Everything You Wanted to Ask

The 31861X exam is the official Avaya exam for Avaya OneCloud™ UCaaS Design Certified. Passing it earns you the Avaya-Certification credential, which sits at the Professional level. It is also connected to Avaya Certified Design Specialist (ACDS), Avaya OneCloud UCaaS Implementation Certification, so what you learn carries over if you plan to pursue those paths as well. Employers treat the certification as verified proof of skill, which is why structured preparation with 2Pass4sure's practice questions pays off.

The 31861X exam contains 60 questions, and the time limit is 90 minutes. Translate that into a pacing plan before exam day: know roughly how long you can afford per item, flag anything that stalls you, and circle back at the end instead of burning minutes. Two or three full timed sessions in 2Pass4sure's test engine will teach you that rhythm far better than untimed reading ever will.

Candidates should have networking and unified communications experience; formal Avaya design or implementation training recommended. Eligibility details can change, so before you register, confirm the current requirements on the official exam page: https://www.avaya-learning.com/.

Yes. 2Pass4sure offers a free PDF demo of the Avaya OneCloud™ UCaaS Design Certified practice questions on the samples page, so you can judge the format and quality yourself before paying anything. Every purchase also includes 365 days of free updates, and after the product expires you can extend the update service at a 50% discount from within your member zone.

If you take the corresponding exam within 60 days of purchase and do not pass, 2Pass4sure backs you with a 100% money-back guarantee. To claim it, submit a scanned copy of your exam enrollment slip together with your official Score Report PDF within 2 days of the exam, and the refund is processed within 7 days. The guarantee does not apply to attempts made within the first 3 days after purchase, to products downloaded without actually sitting the exam, or to free materials and expired orders, and the candidate name must match the payer's name. If you would rather have study material than money, you can instead exchange for two additional exam products of equal value, free of charge, while keeping the update service on your original purchase. Delivery itself is instant: your download is available right after payment and a copy reaches your mailbox within one minute — if nothing arrives within 2 hours, contact customer service. You may install the product on as many computers as you need.

The official Avaya OneCloud™ UCaaS Design Certified blueprint is organized into 5 domains. The leading areas are:

  • Avaya Aura Platform Integration
  • Security and Integration
  • Network and QoS Design

For the complete domain-by-domain breakdown with every subtopic, see the Exam Topics outline above.

Avaya OneCloud™ UCaaS Design Certified Sample Questions:

The following endpoints are being requested for an Avaya Aura solution:
* 300 9611G telephones running H.323
* 100 9641GS telephones running SIP
* 50 J129 telephones
* 50 Analog telephones
* 20 DCP telephones
* 75 Avaya Equinox clients
How many registrations will Session Manager have to support?

  • A. 175
  • B. 100
  • C. 75
  • D. 225
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

You are recommending the WAN link requirement per branch for a multi-location customer. The customer estimates the branch Inter-office communication use rate over the WAN to be one trunk per 20 branch users, and there are 460 users at each branch. You assume that after all header compressions have been applied, there is a 30% protocol overhead, and the G.729 codec being used provides 7.2 kbps.
How much bandwidth is needed for voice traffic on the WAN link for each branch?

  • A. 215.3 Kbps
  • B. 115.9 Kbps
  • C. 187.2 Kbps
  • D. 165.6 Kbps
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

Yourare designing an addition to a customer's existing Avaya Aura system. The addition will include 575 IP sets, of which 200 will also use Avaya Equinox for the Desktop, 175 will use Desktop P2P Video, and 25 of them will also need Extension to Cellular (EC500). There are 75 other new users who will use Avaya Equinox for iOS as their only UC Client or endpoint. The customer does not want a la carte licensing for applications not covered by Core Suite, and will purchase other Avaya Aura Suites as required.
How many Core Suite licenses are needed for the addition?

  • A. 650
  • B. 625
  • C. 675
  • D. 575
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

You are working on a design that includes Avaya Aura Presence Services.
Which statement regarding the Presences Services deployment is true?

  • A. It does not require dedicated (closed) Avaya Breeze instances.
  • B. It requires one or more general purpose (open) Avaya Breeze instances.
  • C. It can only be installed on one dedicated (closed) Avaya Breeze instance.
  • D. It always requires one or more dedicated (closed) Avaya Breeze instances.
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

You are putting together a proposal for a Communication Manager solution that has the following requirements:
* 300 9611G telephones running H.323
* 275 9641GS telephones running SIP
* 75 Analog telephones
* 350 3129 telephones
* 100 Avaya Equinox clients 300 9611G telephones running H.323 275 9641GS telephones running SIP

Reveal Solution  Discussion  0

Correct Answer:

75 Analog telephones
350 J129 telephones
100 Avaya Equinox clients

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