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Free 642-845 Exam Preparation Questions Exam 642-845: ONT - Optimizing Converged Cisco Networks

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Question:29 Which QoS pre-classify deployment is invalid? A. Apply the policy to the physical interface and enable QoS pre-classify when you want to classify packets based on the pre-tunnel header. B. Apply the policy to the tunnel interface without QoS pre-classify when you want to classify packets based on the pre-tunnel header. C. Apply the policy to the tunnel interface without QoS pre-classify when you want to classify packets based on the post-tunnel header. D. Apply the policy to the physical interface without QoS pre-classify when you want to classify Packets based on the post-tunnel header. Answer: C Question:30 Which statement is not correct about NBAR protocol discovery? A. NBAR protocol discovery is able to identify and classify HTTP applications based on URL, MIME type, or host name. B. NBAR protocol discovery is able to identify and classify static port applications. C. NBAR protocol discovery is able to identify and classify dynamic port applications. D. NBAR protocol discovery is able to identify and classify IP applications only. Answer: D Question:31 For the following options ,which one can be used to perform the centralized WLAN management? A. Cisco WCS for autonomous implementations and CiscoWorks WLSE for lightweight implementations B. CiscoWorks WLSE for both lightweight and autonomous implementations C. CiscoWorks WLSE for autonomous implementations and Cisco WCS for lightweight Implementations D. Cisco WCS for both lightweight and autonomous implementations Answer: C Question:32 IEEE offers QoS extensions to wireless LANs by which of the following drafts/standards? A. 802.11a B. 802.11e C. 802.11d D. 802.11g Answer: B Question:33 Examine the following statements, which is not an issue or a weakness of initial WLAN security approaches? A. Usage of static WEP B. Relying on SSID as a security measure C. Overhead of mutual authentication between wireless clients and access control/authentication Servers D. Relying on MAC filters Answer: C Question:34 NBAR has been configured on router P4S1. What is supported by the network-based application recognition (NBAR) feature? A. Fragmented packets B. More than 24 concurrent URLs, hosts, or MIME-type matches

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C. Subport classification D. None of the above Answer: C Question:35 The Cisco Unified Wireless Network is a unified wired and wireless network solution that cost-effectively addresses the wireless network security, deployment, management, and control issues your enterprise faces. The Cisco Unified Wireless Network unique approach addresses all layers of the WLAN network through what five interconnected elements? A. Client devices, access points, network unification, world-class network management, and unified advanced services B. Access points, mobility platform, network unification, world-class network management, and unified advanced services C. Client devices, access points, mobility platform, network unification, and unified advanced services D. Client devices, mobility platform, network unification, world-class network management, and unified advanced services Answer: D

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