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As WLANs (Wireless Local Area Networks) become increasingly common, it's becoming vital to be able to test them for proper performance and to optimize their operation. In the phase of WLAN optimization, some service components should be contained. Which of the following are these components? (Select three.)

• A. Change Management
• B. Security Assessment
• C. Technology Assessment
• D. Operations Assessment

You are a network administrator in an enterprise company, and an operation director of your company comes to seek advices from you. He wants to know how to improve the productivity with the help of the Cisco voice-over-Wi-Fi service. How will you describe the Cisco voice-over-Wi-Fi service?

• A. Cisco Voice-over-Wi-Fi offers improved productivity through the convergence of communications devices.
• B. Cisco Voice-over-Wi-Fi when integrated with the wirednetwork, allows a single control point to guarantee the quality of the call, irrespective of the transport over which the call is carried.
• C. Cisco Voice-over-Wi-Fi enables the tracking of the physical location of Wi-Fi devices, which helps improve productivity.
• D. With voice-over-Wi-Fi, the telephony system recognizes Wi-Fi handsets in the same way that it recognizes traditional desktop phones, which allows employees to make and receive calls when they are mobile, thus improving productivity.

Recently, you have been employed by a new star-rated hotel as an IT director. Your boss requires you to provide hotel guests and staff with wireless connectivity. If this task is finished by using a single wireless network, some problems may be caused. The internal network is used to transmit sensitive financial information, and its security will be threatened. The network is also easy to be attacked by the outside potential malicious attacks. In order to alleviate the above problems, which Cisco product or solution will you recommend?

• A. Cisco Wireless LAN Controllers enablesystemwide wireless LAN functions, including security policies, intrusion prevention, RF management, quality of service (QoS), and mobility.
• B. The Cisco Wireless Control System (WCS) enables the security of enterprise networks through RF prediction, policy provisioning, user tracking, and security monitoring from a centralized location.
• C. The Cisco Unified Wireless Network solution with enhanced security and secure guest-access services enables security-threat protection and allows guests to access network resources without compromising the security of the internal network.
• D. The Cisco Wireless Services Module (WiSM) provides real-time communication between lightweight access points and other wireless LAN controllers to deliver a secure and unified wireless solution.

You are a network engineer working in a large enterprise. If you want to manage over 50 lightweight access points for your company equipment, what is your best method to reach your goal? Choose the best appliance from the following options.

• A. Cisco 4400 Series wireless LAN controller
• B. Cisco Works WLSE
• C. Cisco 4100 Series wireless LAN controller
• D. Cisco 2000 Series wireless LAN controller

A securities company always requires employees to work efficiently with deep concentration and high pressure. Therefore, it sets higher requirements for the productivity. Particularly, the brokers need to know real-time news and stock information which is always changing, but they have to continually move here and there. Of course, the network connectivity can not be interrupted. As an IT manager, you want to adopt the Cisco enterprise WLAN solution. Which network management feature of the solution can help you reach the goal?

• A. radio management
• B. local authentication services
• C. network unification
• D. Layer 3 mobility