300-110認証資格 & 300-110専門知識訓練

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Cisco 300-110 Exam Syllabus Topics:

SectionWeightObjectives
WLAN High Availability and Security Design20%- High availability design
  • 1. N+1 and N+N redundancy models
    • 2. Controller failover and stateful switchover
      • 3. AP redundancy and resiliency
        - Management and monitoring design
        - Security architecture design
        • 1. Wireless intrusion prevention design
          • 2. Encryption and privacy mechanisms
            • 3. Authentication and authorization frameworks
              Wireless Site Survey25%- Pre-deployment survey and validation
              - Layer 1 site survey execution and analysis
              - Design requirements collection and constraint evaluation
              • 1. Client density and capacity planning
                • 2. Real-time application requirements
                  • 3. AP and antenna type selection
                    • 4. Deployment type considerations
                      • 5. Security requirements definition
                        - RF propagation and attenuation analysis
                        Mobility Design25%- Guest mobility and BYOD design
                        - Mobility architecture models
                        • 1. Mobility groups and domains
                          • 2. Anchor and foreign controller design
                            • 3. Layer 2 and Layer 3 roaming
                              - Roaming optimization
                              • 1. 802.11r/k/v standards implementation
                                • 2. Fast Secure Roaming
                                  Wireless Infrastructure Design30%- Wired-wireless integration design
                                  • 1. Switching infrastructure requirements
                                    • 2. PoE and power planning
                                      • 3. VLAN and QoS design
                                        - Wireless Controller architecture and deployment
                                        • 1. Controller models and scalability
                                          • 2. Redundancy and high availability design
                                            • 3. AP modes and deployment options
                                              - High-density wireless design
                                              • 1. Channel planning and power management
                                                • 2. Capacity optimization techniques
                                                  • 3. Co-channel interference mitigation

                                                    >> 300-110認証資格 <<

                                                    300-110専門知識訓練、300-110対応資料

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                                                    Cisco Designing Cisco Wireless Networks 認定 300-110 試験問題 (Q110-Q115):

                                                    質問 # 110
                                                    An engineer must identify the network requirements for a company that has a main office and 10 branch offices. The network must be able to support data, voice, video, and location tracking.
                                                    Which two factors must be considered? (Choose two.)

                                                    正解：B、E

                                                    解説：
                                                    When designing a wireless network to support diverse services -- including data, voice, video, and location tracking -- across a distributed enterprise with a main office and 10 branch locations, the two primary design factors directly shaping the RF and capacity architecture are the number of wireless devices requiring access and the type of site where the survey will be performed. The device count (Option B) drives AP density, channel reuse planning, capacity modeling, and controller licensing requirements. Each service type -- particularly VoWLAN and video -- imposes strict per- client throughput and latency constraints that must be multiplied across the concurrent device population. The type of site (Option C) determines the survey approach, attenuation characteristics, coverage requirements, and antenna selection. A warehouse, hospital, or open- plan office each demands a fundamentally different RF design.


                                                    質問 # 111
                                                    An engineer is performing an AP-on-a-stick survey and finds that the 5 GHz channel overlap is too high when an appropriate number of APs are used for the density requirements. Which two actions during the survey reduce channel overlap? (Choose two.)

                                                    正解：B、E

                                                    解説：
                                                    Raising the minimum data rate to 24 Mbps reduces the effective coverage range of each AP because clients at the cell edge operating at low data rates are effectively excluded from the cell. This shrinks cell size, reducing channel overlap between neighboring APs on the same channel. Using directional antennas limits the coverage area of some APs by focusing RF energy in specific directions rather than radiating omnidirectionally, which directly reduces the lateral overlap between adjacent APs. Increasing AP transmit power (Option B) would worsen overlap, not reduce it. Allowing UNII-2e channels (Option C) provides more channel options but does not reduce the physical cell overlap - it only provides more channels to avoid co- channel interference. Power saving mode (Option E) is a client-side power management feature unrelated to AP cell sizing during a survey. Reference: WLSD Study Guide - Channel Overlap Mitigation, Data Rate Configuration, Directional Antenna Use Cases.


                                                    質問 # 112
                                                    Refer to the exhibit. A network engineer is designing a high availability SSO on a Cisco Catalyst
                                                    9800- 40 WLC with multi-LAG network redundancy on two Catalyst 9300 switches. The LAG requirements are: ?Each LAG must be connected to a single switch. ?Different VLANs must be assigned to different LAGs. ?The controller must learn the identity of partners that can support LAG capabilities in each port. ?When any active LAG ports fail, a standby LAG port must provide redundancy. Which protocol must be used for the port channel on the interface to meet the design requirements?

                                                    正解：C

                                                    解説：
                                                    The design requirements specify a multi-LAG configuration where each LAG connects to a single switch, different VLANs are assigned to different LAGs, the controller must dynamically learn partner LAG capabilities per port, and standby ports provide redundancy upon active port failure.
                                                    These requirements collectively point to IEEE 802.3ad LACP (Link Aggregation Control Protocol) as the correct protocol. LACP is the industry-standard IEEE protocol that enables dynamic negotiation of LAG membership between endpoints -- the WLC and each Catalyst 9300 switch exchange LACP PDUs (LACPDUs) to discover port capabilities, negotiate bundle membership, and monitor link status. LACP supports active and passive port states where active ports initiate negotiation and passive ports respond, and it provides the standby port mechanism through its hot-standby capability for link redundancy within the bundle. The requirement to 'learn the identity of partners that can support LAG capabilities' is the defining characteristic of LACP's standardized PDU exchange mechanism.


                                                    質問 # 113
                                                    A customer has two Cisco wireless controllers named WLC-A and WLC-B. Each controller is in a different building on a campus. The WLCs have different Layer 3 interfaces and broadcast the same SSIDs from their respective APs. Users must remain connected to the same VLAN and maintain their IP addresses during roaming from the APs attached to WLC-A and WLC-B. Which action accomplishes the requirement?

                                                    正解：B

                                                    解説：
                                                    The requirement for users to retain their VLAN assignment and IP address when roaming between buildings managed by different WLCs is a Layer 3 roaming scenario. In Cisco ' s wireless architecture, IP address preservation across controller boundaries is achieved through inter-controller mobility - specifically the foreign-anchor mobility tunnel mechanism. When a client roams from Building A (WLC-A) to Building B (WLC-B), WLC-B becomes the foreign controller and WLC-A becomes the anchor controller. WLC-B tunnels the client ' s traffic back to WLC-A, allowing the client to retain its original IP address even while physically associated to an AP managed by WLC-B. This requires creating a mobility group between WLC-A and WLC-B with both controllers configured with the same mobility group name - the group name is the trust identifier that permits the mobility tunnel and anchor-foreign relationship to form. An SSO cluster (Option B) creates redundancy between two WLCs operating as one logical entity, not inter-building roaming between independent controllers. 802.11r (Option C) accelerates re-association but does not preserve IP addresses across different Layer 3 subnets. AP groups (Option D) control SSID and VLAN assignments but do not enable inter-controller IP preservation. Reference: WLSD Study Guide - Inter-Controller Mobility, Layer 3 Roaming, IP Address Preservation.


                                                    質問 # 114
                                                    A wireless engineer is using Ekahau Site Survey to validate that an existing wireless network is operating as expected. A Cisco CleanAir AP is used for Layer 1 survey by using Metageek Chanalyzer only on the current operating channel. Which operating mode is configured for the Cisco CleanAir AP?

                                                    正解：A

                                                    解説：
                                                    When using Metageek Chanalyzer in conjunction with a Cisco CleanAir-capable AP for Layer 1 spectrum analysis, the AP must be configured in SE-Connect mode (Spectrum Expert Connect). SE-Connect mode enables the AP ' s CleanAir radio to operate as a dedicated spectrum analyzer, feeding raw spectrum data to the connected Chanalyzer software for visualization and analysis. In this mode, the AP does not serve any Wi- Fi clients and instead focuses all radio resources on spectrum scanning. Metageek Chanalyzer uses the SE- Connect mode specifically to receive the CleanAir ASIC ' s spectrum analysis data. Local mode (Option A) serves clients normally, only providing periodic CleanAir reports. Sniffer mode (Option B) captures 802.11 frames for protocol analysis and does not provide raw spectrum data to Chanalyzer. Monitor mode (Option C) performs WIDS scanning and RRM measurements but does not support the direct Chanalyzer integration. SE- Connect is the specific mode that enables external spectrum analysis software to use the CleanAir ASIC ' s spectrum data in real time. Reference: WLSD Study Guide - Cisco CleanAir Technology, AP Operating Modes, SE-Connect Mode for Spectrum Analysis.


                                                    質問 # 115
                                                    ......

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