Buenisimo Exame Cisco

Cisco 640-802 .
Q&A with explanations

Version 9.0

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Table of Contents
TOPIC 1, DESCRIBE HOW A NETWORK WORKS (81 questions) 6 Section 1: Describe the purpose and functions of various network devices (9 questions)6 6 Section 2: Select the components required to meet a network specification (4 questions) 11 11 Section 3: Use the OSI and TCP/IP models and their associatedprotocols to explain how data flows in a network (12 questions) 14 Section 4: Describe common networked applications including web applications (4 questions) 26 Section 5: Describe the purpose and basic operation of the protocols in the OSI and TCP models (12 questions) 29 Section 6: Describe the impact of applications (Voice Over IP and Video Over IP) on a network (2 questions) 37 Section 7: Interpretnetwork diagrams (7 questions) 39 Section 8: Determine the path between two hosts across a network (14 questions) 50 Section 9: Describe the components required for network and Internet communications (5 questions) 70 Section 10: Identify and correct common network problems at layers 1, 2, 3 and 7 using a layered model approach (8 questions) 77 Section 11: Differentiate between LAN/WAN operation andfeatures (4 questions) 84 TOPIC 2, CONFIGURE, VERIFY, AND TROUBLESHOOT A SWITCH WITH VLANs AND INTERSWITCH COMMUNICATIONS (163 questions) 88 Section 1: Select the appropriate media, cables, ports, and connectors to connect switches to other network devices and hosts (6 questions) 88 Section 2: Explain the technology and media access control method for Ethernet networks (14 questions) 94 Section3: Explain network segmentation and basic traffic management concepts (5 questions) 105 Section 4: Explain basic switching concepts and the operation of Cisco switches (13 questions) 109 Section 5: Perform and verify initial switch configuration tasks including remote access management (9 questions) 123 Section 6: Verify network status and switch operation using basic utilities (including: ping,traceroute, telnet, SSH, arp, ipconfig), SHOW & DEBUG commands (8 questions) 132 132 Section 7: Identify, prescribe, and resolve common switched network media issues, configuration issues, auto negotiation, and switch hardware failures (6 questions) 140 Section 8: Describe enhanced switching technologies (including: VTP, RSTP, VLAN, PVSTP, 802.1q) (35 questions) 145 Section 9: Describe how VLANs...