The Cisco 300-110 exam offers a great opportunity for beginner and experienced to validate their expertise in a short time period. To do this they just need to pass the Designing Cisco Wireless Networks 300-110 Certification Exam which is not an easy task. And Lead2PassExam offfers latest 300-110 exam practice, exam pattern and practice exam online.
| Section | Weight | Objectives |
|---|---|---|
| Wired and Wireless Infrastructure | 30% | - Physical infrastructure requirements - Design radio management - Logical infrastructure requirements - Design wireless bridging (mesh) - Design for data, voice, video, location - Design high-density wireless networks |
| WLAN High Availability | 20% | - Design AP high availability - Design controller high availability |
| Mobility | 25% | - Design mobility groups - Validate mobility tunneling - Optimize client roaming - Site Tags |
| Wireless Site Survey | 25% | - Predictive site survey - Planning tools and network metrics evaluation - Layer 1 site survey analysis - Collect design requirements and evaluate constraints - Post-deployment site survey - Pre-deployment site survey - Material attenuation and its design effects |
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NEW QUESTION # 15
An engineer is designing a high-density WLAN and wants to reduce the airtime consumed by each client transmission. Which configuration should be included in the RF profile?
Answer: D
Explanation:
A frame transmitted at a low data rate occupies the channel far longer than the same frame sent at a high rate, and because the medium is shared, a single distant client transmitting at 1 Mbps consumes airtime that every other client on that channel must wait through. Disabling the low rates and raising the mandatory minimum forces clients to either connect at an efficient rate or roam to a closer AP, which shrinks the effective cell size, reduces co-channel interference, and increases aggregate capacity - all of which are desirable in a dense design where APs are closely spaced. Management and broadcast frames are also sent at the lowest mandatory rate, so raising that floor reduces beacon and broadcast overhead as well. Leaving all rates enabled or setting 1 Mbps as mandatory produces oversized cells with heavy airtime consumption, and restricting the 2.4 GHz radio to 802.11b rates would be the worst possible outcome for efficiency.
NEW QUESTION # 16
An engineer is estimating the loss between two floors of an office building. Using Ekahau, they have measured -45 dBm at the ground level of the floor with the access point and -50 dBm at the ceiling level of the floor below it. Which value is the loss of the floor?
Answer: C
Explanation:
Floor loss calculation is a fundamental skill in multi-floor wireless site survey methodology. The floor attenuation value represents the signal power reduction caused by penetrating through a single floor structure including the floor decking, subfloor, ceiling material, plenum space, and any structural elements. In this measurement scenario, the engineer has two data points: -45 dBm measured at the ground level of the floor containing the access point (the signal level just below the AP ' s floor) and -50 dBm measured at the ceiling level of the floor below (the signal level just after passing through the floor structure). The floor loss is simply the difference between these two measurements: (-45 dBm) - (-50 dBm) = -45 + 50 = 5 dB. The result is expressed as a positive value (5 dB) representing attenuation - signal power decreases by 5 dB when passing through the floor. Expressing it as -5 dB (Option B) would incorrectly imply a signal gain. The 95 dB values (Options A and D) result from incorrectly adding rather than subtracting the dBm values - a common error when working with negative dBm figures. This floor attenuation value (5 dB) would then be entered into Ekahau ' s floor material properties to improve predictive model accuracy. Reference: WLSD Study Guide - Multi-Floor Signal Propagation, Floor Attenuation Factor (FAF), Ekahau Floor Loss Measurement Methodology.
NEW QUESTION # 17
Which strategies must the engineer use for the antenna deployment model in a warehouse?
Answer: C
Explanation:
Warehouse wireless deployments present unique RF engineering challenges: extremely high ceilings (often 25-45 feet), dense metallic shelving systems that create specular reflections and RF shadows, narrow aisles between rack systems, and the need to cover linear travel paths for RF scanner devices. The recommended Cisco antenna strategy for warehouses is wall-mounted patch (directional) antennas. Patch antennas provide a forward-facing radiation pattern that can be aimed precisely down warehouse aisles, delivering concentrated RF energy where RF scanners actually operate -- in the aisles between shelving -- rather than dispersing energy into metallic shelving structures. Wall mounting at intermediate height (typically 10-15 feet on aisle- end walls) places the antenna at a height that aligns the main lobe with the working zone of handheld scanners.
NEW QUESTION # 18
An engineer must perform a predictive design for a wireless network.
The customer has devices that can tolerate at most 100 ms of delay when roaming. Which design criteria must be used?
Answer: A
Explanation:
Devices that can tolerate at most 100 ms of delay when roaming are voice devices. The 100 ms maximum roaming delay threshold is the Cisco-specified design criterion for VoWLAN implementations -- it defines the maximum time a handset can tolerate being disconnected from the wireless network during a roam event before the voice call is degraded or dropped. This threshold drives specific design requirements: 15-20% cell overlap at -67 dBm, fast roaming mechanisms (802.11r, CCKM, or OKC), and AP placement along user movement paths.
NEW QUESTION # 19
A customer has a single anchor WLC named Anchor A. Anchor A is in a DMZ and provides guest access.
The customer wants to deploy an additional anchor controller named Anchor B to provide redundancy if Anchor A fails. Which design approach should be taken for the guest WLAN priority on the foreign WLC for each anchor WLC?
Answer: B
Explanation:
In a wireless network design where anchor redundancy is required for guest access, setting different priorities for the anchor controllers ensures deterministic primary and backup behavior. Cisco anchor priority uses a lower numerical value to indicate higher preference - Priority 1 is the highest priority (most preferred) anchor, and Priority 3 is lower priority. Setting Anchor A to priority 1 (Option D) makes it the primary anchor controller - all new guest client sessions will preferentially anchor to Anchor A. Setting Anchor B to priority
3 makes it the standby anchor - guest clients will only be anchored to Anchor B when Anchor A is unavailable. This creates a clear primary/backup relationship with deterministic failover. Setting both anchors to the same priority (Options A and C) would result in load balancing between the two anchors rather than active/standby behavior. Option B incorrectly reverses the priorities, making Anchor B the primary and Anchor A the backup. Reference: WLSD Study Guide - Guest Anchor Redundancy Design, Anchor Priority Configuration, DMZ Anchor WLC Architecture.
NEW QUESTION # 20
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