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Cisco · Wireless · Professional

Cisco WLSD: Designing Cisco Wireless Networks exam guide

Exam 300-110 WLSD

WLSD (300-110) validates designing Cisco wireless networks: site survey planning and execution, design for data, voice, video and location, high-density and outdoor designs, and validation. It is a CCNP Wireless concentration and earns the Wireless Design Specialist credential.

QuestionsSee official page
Time limit120 minutes
Passing scoreSee official page
Exam fee$400 USD
Valid for3 years
DeliveryProctored at a test center or online, scheduled through Cisco's certification portal

Format: Multiple choice (single and multiple answer), drag-and-drop, and simulation/testlet-style items; pass/fail. Fee note: Price and duration as listed on Cisco's exam page; some partners quote $300/90 min, so confirm at booking.

Who it's for

Wireless engineers and architects who plan and survey enterprise WLANs.

What the exam covers

Wireless Site Survey—
Wired and Wireless Infrastructure—
Mobility—
WLAN High Availability—

A dash means the vendor does not publish a weight for that domain.

Eligibility & prerequisites

Required: None.

Recommended: Three to five years designing or implementing Cisco wireless networks.

Keeping it active

Passing earns a Cisco Certified Specialist credential valid 3 years (renew with 40 CE credits or by passing a qualifying exam). The exam itself also counts toward recertifying CCNP/CCIE.

Skills & careers

Skills it validates

  • Gathering requirements and planning surveys
  • Predictive, AP-on-a-stick and validation surveys
  • Designing for voice, video, location and high density
  • Channel and power planning across 2.4/5/6 GHz
  • Mobility and roaming design
  • Wired infrastructure and PoE planning

Job roles

Wireless Design EngineerWireless ArchitectRF EngineerWLAN EngineerPre-Sales Wireless Engineer

Where it fits in your path

Planning a degree too? See how this cert earns college credit in the College Credit Navigator.

Build my study plan

  1. Week 1: Requirements gathering and survey methodology.
  2. Week 2: Design for voice, video and location; 6 GHz planning.
  3. Week 3: High-density, outdoor and mobility design.
  4. Week 4: Validation, infrastructure, and practice exams.

Make it yours: pick your exam date and weekly hours. We'll split your time by domain weight and give you a printable plan.

Exam-day tips

  • Know survey types and when each is appropriate.
  • Memorize design targets for voice (e.g., signal and SNR thresholds Cisco recommends).
  • Understand 6 GHz design implications.
  • Note that the prior ENWLSD (300-425) code was retired in March 2026.

Key terms for this exam

All 4 terms Study with thinQcards™

Frequently asked questions

How much is WLSD?

Cisco's exam page lists US$400 and 120 minutes; some partners show $300 and 90 minutes, so confirm at booking.

Is WLSD the same as ENWLSD?

It replaced 300-425 ENWLSD on March 19, 2026 as a CCNP Wireless concentration.

Does WLSD alone give CCNP Wireless?

No; you also need 350-101 WLCOR.

What is the passing score?

Cisco does not publish passing scores or question counts; the score needed varies by exam form and is reported as pass/fail with a section breakdown.

WLSD or WLSI?

WLSD suits designers and surveyors; WLSI suits implementers of advanced features.

Official page: www.cisco.com. Reviewed November 2026. Vendors change fees and objectives, so confirm with the vendor before you book. Spot something out of date? Tell us.