Updated: Sep 01, 2026
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| Certification Vendor: | Motorola Solutions |
|---|---|
| Exam Name: | Design WLan Solutions |
| Exam Number: | MSC-121 |
| Exam Price: | $200 USD |
| Related Certifications: | MSC-131 Design and Deploy AirDefense Solutions MSC-122 Deploy WLAN Solutions |
| Exam Duration: | 90 minutes |
| Passing Score: | 70% |
| Certificate Validity Period: | Not consistently published (varies by program; typically 2–3 years) |
| Real Exam Qty: | 60 (multiple-choice) |
| Exam Format: | Multiple-choice questions, Scenario-based design questions |
| Available Languages: | Italian, Japanese, Spanish, French, German, Chinese, Korean, Portuguese, English |
| Recommended Training: | Motorola Solutions WLAN Design Guides (WiNG-based documentation) |
| Exam Registration: | Motorola Solutions Certification / Exam Information |
| Sample Questions: | Motorola Solutions MSC-121 Sample Questions |
| Exam Way: | Proctored exam (online or at authorized testing center such as Pearson VUE, depending on region/program availability) |
| Pre Condition: | Basic networking knowledge recommended; Motorola Solutions account may be required for registration. |
| Official Syllabus URL: | https://www.motorolasolutions.com |
| Section | Objectives |
|---|---|
| Antenna Selection and Placement | |
| WLAN Fundamentals | |
| Security and Encryption Protocols | |
| WLAN Troubleshooting and Problem Resolution | |
| RF Site Survey Tools and Techniques | |
| Mobility and Roaming | |
| RF Design Considerations | |
| Wireless Network Planning |
Question 1
Which of the following statements is CORRECT concerning the IEEE 802.11 Open Authentication procedure?
A. May occur after the association
B. Uses four way frame exchange
C. Is optional before additional authentication
D. Must occur before additional authentication
Question 2
Your customer has a requirement that all APs used in the design must use external dipole antennas. Which of the following APs cannot meet this requirement?
A. AP5131
B. AP650
C. AP6511
D. AP7131
Question 3
A common WLAN design mistake occurs when AP transmit output power is set higher than the transmit capabilities of the client devices. This situation results in frequent dropped connections and unpredictable connectivity. Which of the following terms describes this condition?
A. Weak node
B. Power asymmetry
C. S02.3af PoE
D. Power spiral
Question 4
You are designing a WLAN for a new customer and have been given a Customer Checklist for WLAN.
Given this checklist, please answer the test item(s) below.
What is a characteristic of this deployment that could significantly impact the number of APs required to provide the needed area coverage? Assume only the information in the Customer Checklist WLAN exhibit at the bottom.
A. Email Environment
B. Construction Material
C. Service desired by the customer
D. Potential Equipment placement locations
Question 5
You have been working on the design specification for a new WiNG 5 WLAN for a new customer. The client needs wireless internet connectivity as well as voice over IP (VoIP) in two key auditoriums of their sports center. Your team has just created a LANPlanner report and the design calls for 11 APs. The customer had identified 2 client locations (Location A and Location B) that he would like to discuss with you.
Assume that clients at Location A and Location B are using 802.11 n standards on the 2.4 GHz band. Which of the following correctly identifies the channels utilized by clients at Location A and Location B? Use the relevant Channel Map in the LANPfanner - Sports Ce/tferexhibit at the bottom.
A. Ch 9 is servicing Location A and Ch 1 is servicing Location B
B. Ch 3 is servicing Location A and Ch 2 is servicing Location B
C. Ch 9 is servicing Location A and Ch 4 is servicing Location B
D. Ch 5 is servicing Location A and Ch 1 is servicing Location B
Solutions:
| Question 1 Answer: D | Question 2 Answer: C | Question 3 Answer: B | Question 4 Answer: B | Question 5 Answer: A |
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