TestKing 640-802 V23

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Cisco 640-802
640-802
Q&A with explanations
Version 23.0
Important Note, Please Read Carefully
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Table of Contents
13
13
Section 3: Use the OSI and TCP/IP models and their associated protocols to explain how
data flows in a network (15 questions)
117
Section 4: Describe common networked applications including web applications (4
questions) 332
Section 5: Describe the purpose and basic operation of the protocols in the OSI and TCP
models (17 questions) 337
Section 6: Describe the impact of applications (Voice Over IP and Video Over IP) on a
network (2 questions) 551
Section 7: Interpret network diagrams (7 questions) 553
Section 8: Determine the path between two hosts across a network (17 questions) 666
Section 9: Describe the components required for network and Internet communications (5
questions) 990
Section 10: Identify and correct common network problems at layers 1, 2, 3 and 7 using a
layered model approach (9 questions) 997
Section 11: Differentiate between LAN/WAN operation and features (4 questions) 106
109
Section 1: Select the appropriate media, cables, ports, and connectors to connect switches
to other network devices and hosts (8 questions)
109
109
Section 2: Explain the technology and media access control method for Ethernet networks
(15 questions)
109
119
Section 3: Explain network segmentation and basic traffic management concepts (4
questions)
132
135
Section 5: Perform and verify initial switch configuration tasks including remote access
management (11 questions)
135
152
Section 6: Verify network status and switch operation using basic utilities (including:
ping, traceroute, telnet, SSH, arp, ipconfig), SHOW & DEBUG commands (10 questions)
152
162
162
175
Section 8: Describe enhanced switching technologies (including: VTP, RSTP, VLAN,
PVSTP, 802.1q) (36 questions)
181
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Topic 1, DESCRIBE HOW A NETWORK WORKS (95 questions) 6
Section 1: Describe the purpose and functions of various network devices (10 questions6
6
Section 2: Select the components required to meet a network specification (5 questions)
106
Topic 2, CONFIGURE, VERIFY, AND TROUBLESHOOT A SWITCH WITH VLANs
AND INTERSWITCH COMMUNICATIONS (178 questions)
Section 4: Explain basic switching concepts and the operation of Cisco switches (15
questions)
Section 7: Identify, prescribe, and resolve common switched network media issues,
configuration issues, auto negotiation, and switch hardware failures (6 questions) 175
Section 9: Describe how VLANs create logically separate networks and the need for
routing between them (10 questions)
218
228
Section 11: Configure, verify, and troubleshoot trunking on Cisco switches (15 questions)
228
241
241
Section 12: Configure, verify, and troubleshoot interVLAN routing (8 questions) 254
254
Section 13: Configure, verify, and troubleshoot VTP (12 questions)
267
Section 14: Configure, verify, and troubleshoot RSTP operation (6 questions)
283
Section 15: Interpret the output of various show and debug commands to verify the
operational status of a Cisco switched network. (3 questions)
291
Section 16: Implement basic switch security (including: port security, trunk access,
management vlan other than vlan1, etc.) (6 questions)
295
302
Section 1: Describe the operation and benefits of using private and public IP addressing
(5 questions)
302
302
Section 2: Explain the operation and benefits of using DHCP and DNS (4 questions)306
306
Section 3: Configure, verify and troubleshoot DHCP and DNS operation on a router.
(including: CLI/SDM) (2 questions)
302
309
312
Section 5: Calculate and apply an addressing scheme including VLSM IP addressing
design to a network (21 questions)
312
329
354
Section 7: Describe the technological requirements for running IPv6 in conjunction with
IPv4 (including: protocols, dual stack, tunneling, etc). (0 questions)
354
372
372
Section 9: Identify and correct common problems associated with IP addressing and host
configurations (11 questions)
372
374
388
Section 1: Describe basic routing concepts (including: packet forwarding, router lookup
process) (4 questions)
388
388
Section 2: Describe the operation of Cisco routers (including: router bootup process,
POST, router components) (23 questions)
388
392
Section 3: Select the appropriate media, cables, ports, and connectors to connect routers
to other network devices and hosts (6 questions)
392
410
Section 4: Configure, verify, and troubleshoot RIPv2 (8 questions)
417
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Section 10: Configure, verify, and troubleshoot VLANs (13 questions)
Topic 3, IMPLEMENT AN IP ADDRESSING SCHEME AND IP SERVICES TO
MEET NETWORK REQUIREMENTS IN A MEDIUM-SIZE ENTERPRISE BRANCH
OFFICE NETWORK (83 questions)
Section 4: Implement static and dynamic addressing services for hosts in a LAN
environment (15 questions)
Section 6: Determine the appropriate classless addressing scheme using VLSM and
summarization to satisfy addressing requirements in a LAN/WAN environment (24
questions)
Section 8: Describe IPv6 addresses (1 question)
Topic 4, CONFIGURE, VERIFY, AND TROUBLESHOOT BASIC ROUTER
OPERATION AND ROUTING ON CISCO DEVICES (225 questions)
Section 5: Access and utilize the router to set basic parameters. (including: CLI/SDM) (9
questions)
425
433
Section 7: Verify device configuration and network connectivity using ping, traceroute,
telnet, SSH or other utilities (9 questions)
433
445
Section 8: Perform and verify routing configuration tasks for a static or default route
given specific routing requirements (13 questions)
445
454
Section 9: Manage IOS configuration files. (including: save, edit, upgrade, restore) (12
questions)
454
466
Section 10: Manage Cisco IOS. (13 questions)
479
Section 11: Compare and contrast methods of routing and routing protocols (33
questions)
490
Section 12: Configure, verify, and troubleshoot OSPF (36 questions)
519
555
Section 14: Verify network connectivity (including: using ping, traceroute, and telnet or
SSH) (5 questions)
555
578
Section 15: Troubleshoot routing issues (5 questions)
581
Section 16: Verify router hardware and software operation using SHOW & DEBUG
commands. (8 questions)
587
595
Topic 5, EXPLAIN AND SELECT THE APPROPRIATE ADMINISTRATIVE TASKS
REQUIRED FOR A WLAN (14 questions)
595
605
Section 1: Describe standards associated with wireless media (including: IEEE WI-FI
Alliance, ITU/FCC) (2 questions)
605
605
606
Section 3: Identify the basic parameters to configure on a wireless network to ensure that
devices connect to the correct access point (2 questions)
606
608
611
Section 5: Identify common issues with implementing wireless networks. (Including:
Interface, missconfiguration) (3 questions)
611
614
616
Section 1: Describe today's increasing network security threats and explain the need to
implement a comprehensive security policy to mitigate the threats (2 questions)
616
616
618
Section 3: Describe the functions of common security appliances and applications (1
question)
618
619
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Section 6: Connect, configure, and verify operation status of a device interface (9
questions)
Section 13: Configure, verify, and troubleshoot EIGRP (23 questions)
Section 17: Implement basic router security (9 questions)
Section 2: Identify and describe the purpose of the components in a small wireless
network. (Including: SSID, BSS, ESS) (3 questions)
Section 4: Compare and contrast wireless security features and capabilities of WPA
security (including: open, WEP, WPA-1/2) (4 questions)
Topic 6, IDENTIFY SECURITY THREATS TO A NETWORK AND DESCRIBE
GENERAL METHODS TO MITIGATE THOSE THREATS (9 questions)
Section 2: Explain general methods to mitigate common security threats to network
devices, hosts, and applications (2 questions)
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