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Cisco 300-120 Exam Syllabus Topics:

SectionObjectives
Topic 1: Performance, QoS, and High-Density Design- High-density WLAN environments
  • 1. Channel planning and AP density
    • 2. Capacity optimization strategies
      - Wireless QoS implementation
      • 1. Traffic classification and prioritization
        • 2. Voice and video optimization
          Topic 2: Security and Guest Access- Guest access design
          • 1. Segmentation and policy enforcement
            • 2. Guest portals and web authentication
              - Wireless security protocols
              • 1. WPA2/WPA3 enterprise deployment
                • 2. 802.1X authentication integration
                  Topic 3: RF and Wireless Design Principles- Site survey and WLAN design methodology
                  • 1. Capacity and coverage planning
                    • 2. Predictive vs active site surveys
                      - RF fundamentals and propagation concepts
                      • 1. Interference and noise considerations
                        • 2. Signal behavior in indoor and outdoor environments
                          Topic 4: Advanced WLAN Architecture- Cisco wireless infrastructure components
                          • 1. Wireless LAN Controllers (WLC)
                            • 2. Lightweight Access Point deployment models
                              - Mobility and roaming
                              • 1. Mobility groups and tunneling
                                • 2. Layer 2 and Layer 3 roaming concepts
                                  Topic 5: Troubleshooting and Optimization- Wireless troubleshooting methodologies
                                  • 1. RF performance diagnostics
                                    • 2. Client connectivity issues
                                      - Performance tuning
                                      • 1. Coverage and interference mitigation
                                        • 2. Controller and AP optimization

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                                          Cisco Implementing Cisco Wireless Advanced Solutions Sample Questions (Q85-Q90):

                                          NEW QUESTION # 85
                                          What elements are required to run Cisco wireless location-based services with Catalyst deployments?

                                          Answer: D


                                          NEW QUESTION # 86
                                          In what state will your WLC CLI report a client with a static IP address that just completed L2 authentication?

                                          Answer: D


                                          NEW QUESTION # 87
                                          Suppose you discover that there are some issues in high-density areas of your network caused by high channel utilization and co-channel interference between APs using the same 5GHz channel.
                                          Which one of the following design decisions could you take to alleviate the problem?

                                          Answer: A


                                          NEW QUESTION # 88
                                          An engineer must provide a graphical report with summary grouped data of the total number of wireless clients on the network Which Cisco Prime Infrastructure report provides the requited data?

                                          Answer: C


                                          NEW QUESTION # 89
                                          A network engineer observes a spike in controller CPU overhead and overall network utilization after multicast is enabled on a controller with 500 APs. Which feature corrects the issue?

                                          Answer: D

                                          Explanation:
                                          The controller supports two ways of delivering multicast to APs. In unicast mode, the controller replicates each multicast packet and sends a separate CAPWAP-encapsulated copy to every AP. With 500 APs that means 500 copies of every packet, which explains the observed increase in controller CPU load and in network utilisation. In multicast mode, the controller sends one packet to a CAPWAP multicast group address. The network infrastructure replicates the packet only where required, and all APs that joined the group receive it, so the replication work moves from the controller to the network. The remedy for the symptoms is therefore to configure the multicast mode, with a multicast group address, for the AP multicast delivery method. IGMP snooping and broadcast forwarding control which clients or VLANs receive the traffic, but they do not change the per-AP replication cost, and the unicast mode is the cause of the issue.
                                          After the change, verify the configured AP multicast mode and the CAPWAP multicast group address in the controller's multicast settings, and confirm that the network routes that group to the APs.
                                          Reference: Blueprint 3.1 and 3.3 (multicast components and multicast on a WLAN); Cisco Wireless Controller Configuration Guide, multicast modes. Source key listed D; corrected to B (see appendix).


                                          NEW QUESTION # 90
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