學歷不等於實力，更不等於能力，學歷只是代表你有這個學習經歷而已，而真正的能力是在實踐中鍛煉出來的，與學歷並沒有必然聯繫。不要覺得自己能力不行，更不要懷疑自己，當你選擇了Cisco的300-110考試認證，就要努力通過，如果你擔心考不過，你可以選擇Fast2test Cisco的300-110考試培訓資料，不管你學歷有多高，你能力有多低，你都可以很容易的理解這個培訓資料的內容，並且可以順利的通過考試認證。
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Mobility | 25% | - Optimize client roaming - Site Tags - Design mobility groups - Validate mobility tunneling |
| Topic 2: WLAN High Availability | 20% | - Design controller high availability - Design AP high availability |
| Topic 3: Wired and Wireless Infrastructure | 30% | - Design high-density wireless networks - Design radio management - Logical infrastructure requirements - Design for data, voice, video, location - Design wireless bridging (mesh) - Physical infrastructure requirements |
| Topic 4: Wireless Site Survey | 25% | - Planning tools and network metrics evaluation - Collect design requirements and evaluate constraints - Post-deployment site survey - Material attenuation and its design effects - Layer 1 site survey analysis - Predictive site survey - Pre-deployment site survey |
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問題 #74
An engineer must design and configure a wireless network for pervasive coverage in an oil terminal, casual web and email traffic, 5 GHz. What is the best design?
答案：A
解題說明：
An oil terminal presents specific wireless design constraints: the requirement is pervasive coverage (maximum geographic coverage) for low-bandwidth applications (casual web and email). These requirements prioritize coverage reach over throughput optimization. The correct approach is to keep all data rates enabled, including lower rates such as 6, 9, 12, and 18 Mbps - because in an industrial environment with challenging RF propagation paths, reflective surfaces, and potential obstructions, lower data rates extend the functional coverage range of each AP. Web and email traffic does not require high data rates; even 1-6 Mbps is sufficient for these applications. Disabling rates below 54 Mbps (Option A) would dramatically shrink each AP ' s effective coverage area, requiring many more APs for pervasive coverage and failing the primary design objective. Assigning static maximum power without RRM auto-adjustment creates excessive co- channel interference. Disabling rates below 24 Mbps (Option C) still reduces coverage reach unnecessarily.
Disabling 802.11n and 802.11ac MCS rates (Option D) prevents the AP from using high-efficiency modulation for nearby clients without coverage benefit. Auto power assignment combined with all rates enabled provides the optimal balance for pervasive industrial deployment. Reference: WLSD Study Guide - Industrial WLAN Design, Coverage vs. Capacity Trade-offs, Data Rate Configuration for Pervasive Coverage.
問題 #75
A customer has three data centers and wants to deploy 1500 APs with controller redundancy that does not require a dedicated standby controller for each active controller. Which redundancy model should the engineer design?
答案：C
解題說明：
N+1 redundancy allows a single backup controller to protect multiple active controllers, which is the most cost-effective model when a customer wants resilience across several sites without buying a one-to-one standby for each active WLC. In this model, each AP is configured with a primary, secondary, and optionally tertiary controller name and IP address; if the primary fails, the AP discovers and joins the next configured controller in the list. The trade-off is that APs must re- establish CAPWAP tunnels and clients must re-associate, so failover is not seamless. SSO high availability (Options A and C) delivers stateful AP and client failover but requires a dedicated standby WLC paired one-to-one with each active WLC and, on AireOS platforms, a back-to-back redundancy port connection - which does not meet the customer's requirement of avoiding a dedicated standby per controller. Mobility anchor redundancy addresses guest traffic anchoring, not general AP controller failover.
問題 #76
An engineer in a branch office that does not have a wired backhaul must ensure that local clients can be switched locally and authenticated centrally. In which mode must the AP be configured?
答案：D
解題說明：
Flex+Bridge mode is a specialized AP operating mode that combines two distinct Cisco wireless capabilities:
FlexConnect (for local switching of client data traffic and central authentication via the WLC) and Bridge
/Mesh mode (enabling wireless backhaul when no wired Ethernet uplink is available). In a branch environment without wired backhaul, a standard FlexConnect AP (Option D) cannot operate because FlexConnect still requires an Ethernet connection for its control plane. Bridge mode alone provides mesh backhaul but does not support the local switching with central authentication model required here. MAP (Option A) is a Mesh Access Point role for wireless backhaul, and RAP (Option C) is a Root Access Point with a wired connection - neither meets the no-wired-backhaul requirement with local switching.
Flex+Bridge uniquely satisfies both requirements: the Flex component allows locally switched VLANs to be bridged directly to the access layer without traversing the WAN, while the Bridge component enables the AP to use a wireless mesh link for its backhaul uplink. Central authentication is maintained via the CAPWAP control tunnel over the mesh link. Reference: WLSD Study Guide - FlexConnect Design, Mesh Networking, Flex+Bridge Mode Configuration and Use Cases.
問題 #77
A wireless engineer is getting ready to perform a predictive site survey. The new network needs to support data and voice over wireless. Which two Cisco recommendations should be considered for the design?
(Choose two.)
答案：C,E
解題說明：
For a network supporting both data and voice over wireless, two key Cisco design recommendations apply.
First, the 5 GHz radio band is recommended for voice over wireless due to its wider channel bandwidths, allowing for higher data rates and better quality of service for latency-sensitive applications. 40 MHz channels in the 5 GHz band provide significantly higher throughput than 20 MHz channels in 2.4 GHz, making Option B correct for the bandwidth reason stated. Second, setting the cell boundary to -67 dBm ensures sufficient signal strength for reliable voice communication at the cell edge, which is the Cisco standard threshold for VoWLAN coverage. Options C and E are partially correct (24 non-overlapping channels is accurate, 15-20% overlap is standard) but B and D are the primary Cisco recommendations that define the design targets for a predictive survey supporting voice. Reference: WLSD Study Guide - VoWLAN Design Requirements, Predictive Survey Design Criteria, 5 GHz Band Selection.
問題 #78
What causes the most signal attenuation based on the wireless design tools?
答案：D
解題說明：
Metal doors cause the most signal attenuation among common building materials due to the fundamental electromagnetic properties of metal. Metal is highly reflective and absorptive of radio frequency signals -- it creates what is effectively a Faraday cage effect around any room or space it encloses. In wireless design attenuation modeling tools such as Ekahau, metal is assigned the highest attenuation value among standard building materials, typically 30+ dB per surface.
問題 #79
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