If you're looking to advance your career, passing the Cisco 300-110 Certification Exam is crucial. As with any certification exam, success requires time and effort. While there are many online study materials available, not all of them are accurate or reliable. Many professionals struggle with managing their time and studying effectively, making it difficult to pass the Designing Cisco Wireless Networks (300-110) Exam.
| Section | Weight | Objectives |
|---|---|---|
| Mobility | 25% | - Site Tags - Design mobility groups - Validate mobility tunneling - Optimize client roaming |
| WLAN High Availability | 20% | - Design AP high availability - Design controller high availability |
| Wired and Wireless Infrastructure | 30% | - Physical infrastructure requirements - Design radio management - Design wireless bridging (mesh) - Logical infrastructure requirements - Design high-density wireless networks - Design for data, voice, video, location |
| Wireless Site Survey | 25% | - Pre-deployment site survey - Layer 1 site survey analysis - Material attenuation and its design effects - Collect design requirements and evaluate constraints - Predictive site survey - Planning tools and network metrics evaluation - Post-deployment site survey |
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NEW QUESTION # 12
An engineer is designing a WLAN to support wireless VoIP handsets in an enterprise campus.
Which set of RF design targets must be met at the cell edge?
Answer: C
Explanation:
Cisco's validated design targets for voice over WLAN require a stronger and cleaner signal than data-only deployments because voice is delay- and loss-sensitive and cannot tolerate retransmissions. The cell edge RSSI target is -67 dBm, which ensures the handset can sustain a high enough data rate to keep airtime consumption low. The SNR target is 25 dB, which provides sufficient margin above the noise floor for reliable demodulation without excessive retries. Cell overlap of 20% ensures the handset can find and associate to the next AP before the current signal degrades, allowing roams to complete without dropped audio. Data-only designs typically use -72 dBm and 20 dB SNR with 15% to 20% overlap, which is insufficient for voice. Overly aggressive targets such as -62 dBm with 35% overlap create unnecessary co-channel interference and increase cost.
NEW QUESTION # 13
A wireless engineer must design a WLAN for a university that requires outdoor Wi-Fi access. Which obstruction has the greatest effect on wireless signal propagation?
Answer: D
Explanation:
In outdoor wireless deployments, foliage - particularly dense trees - represents the most significant and variable RF obstruction that engineers must account for during site survey and design. Trees are problematic for multiple compounding reasons: the high water content of living tissue causes signal absorption consistent with the principle that water is an effective absorber of 2.4 GHz and 5 GHz RF energy; the irregular branching structure causes multi-path scattering; and foliage density changes seasonally, meaning signal propagation characteristics measured during winter may differ substantially from summer readings when leaves are fully developed. A fully leafed deciduous tree can attenuate a 5 GHz signal by 6-15 dB depending on density and depth. Wind (Option A) causes only momentary mechanical movement of foliage and is not an obstruction itself. Rain (Option B) causes some absorption at higher frequencies but its effect at 2.4 GHz and
5 GHz in typical conditions is marginal compared to foliage. Poles (Option D) are thin structures with minimal RF impact. Outdoor surveys for university campuses must specifically account for tree locations, canopy density, and seasonal variation. Reference: WLSD Study Guide - Outdoor Wireless Design, Environmental RF Attenuation Factors, Outdoor Site Survey Considerations.
NEW QUESTION # 14
An engineer is designing a wireless network in a historic building that has large rooms and ornate wall coverings. Which approach must be considered first when placing access points?
Answer: B
Explanation:
When designing a wireless network for any environment, including a historic building with ornate wall coverings and aesthetic constraints, RF coverage must always be considered first when placing access points.
RF coverage is the fundamental requirement - without adequate signal strength throughout the space, no other design objective can be met. The engineer must first determine AP locations that provide the required signal strength and coverage to all areas before addressing aesthetics, overlap calculations, or interference mitigation. In a historic building specifically, the ornate wall coverings and dense construction materials may cause unexpected signal attenuation, making it even more important to model RF coverage before committing to AP positions. Once RF coverage requirements are established, aesthetic concerns (Option A) can guide the choice of AP form factor, enclosures, or cabling routes. Cell overlap (Option C) is derived from coverage calculations. RF interference (Option D) analysis follows after RF coverage baseline is established.
Reference: WLSD Study Guide - Site Survey Methodology, AP Placement Priority, Special Environment Wireless Design.
NEW QUESTION # 15
A customer designs a Cisco wireless environment to provide connectivity to employees and guests. The guest SSID must be configured on three anchor WLCs named Anchor1, Anchor2, and Anchor3 in a DMZ. The guest anchor priority must be configured to ensure that Anchor1 has the highest priority. Which priority level must be incorporated in the design for Anchor1?
Answer: A
Explanation:
In Cisco's guest anchor WLC deployment model, multiple anchor controllers can be configured in a DMZ to provide redundancy for guest WLAN traffic. The anchor priority value determines which anchor controller is preferred for establishing the guest mobility tunnel from the foreign WLC.
Cisco's anchor priority system assigns the highest preference to the lowest numerical priority value. Priority 1 is the highest priority, meaning the foreign WLC will prefer Anchor1 when establishing the CAPWAP mobility tunnel for anchoring guest client traffic. Priority 2 would be assigned to Anchor2, and Priority 3 to Anchor3, creating a deterministic failover hierarchy. If Anchor1 becomes unreachable, the foreign controller automatically falls over to Anchor2, then to Anchor3. Priority 0 is not a valid anchor priority value in the Cisco WLC configuration. This design pattern is critical for enterprise guest deployments where DMZ anchor redundancy must be maintained without manual intervention.
NEW QUESTION # 16
In a FlexConnect deployment, which role does the site tag play?
Answer: B
Explanation:
In the Cisco Catalyst 9800 IOS XE WLC configuration framework, the site tag serves as the primary organizational and functional grouping element for FlexConnect APs at a given physical location. The site tag defines the FlexConnect site - a logical boundary within which APs can perform local switching and local inter-AP roaming without requiring CAPWAP tunnel traversal to the WLC for every client handoff. Within a FlexConnect site defined by the site tag, APs can exchange client roaming context information directly with each other (peer-to-peer), enabling fast Layer 2 roaming for clients moving between APs that share the same site tag - effectively defining the roaming domain for FlexConnect APs at that site. The site tag also references the flex profile (which defines VLAN mappings, local auth settings, and split tunneling parameters) and the AP join profile. Switch port configuration (Option A) is performed on the infrastructure switches, not through the WLC site tag. IP address assignment (Option B) is a DHCP function. Firewall policies (Option C) are applied through ACLs and policy tags, not site tags. Reference: WLSD Study Guide
- Catalyst 9800 Tag Architecture, FlexConnect Site Tag Role, Local Roaming in FlexConnect Deployments.
NEW QUESTION # 17
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