Cisco 640-821 Braindumps
| Exam details |
|---|
| 640-821 : Introduction to Cisco Networking Technologies (INTRO) |
| Certification provider: Cisco |
| 640-821 Exam Info |
The Cisco exam 640-821, "Introduction to Cisco Networking Technologies (INTRO)" is one of the two exams required for the CCNA certification. It measures a candidate's understanding and knowledge of networking fundamentals including the Open Systems Interconnect (OSI) seven-layer model concepts; terminology and technologies.
Difficulty: Exam 640-821 has a difficulty rating of 3/5
Test information:
The 640-821 exam has Multiple Choice; Drag and Drop; Simulations
Number of Questions: Approximately 45-55
Time: 75 Minutes
Price: $125 (USD)
Passing Score: 85%
Who should take this exam: Exam 640-821 "Introduction to Cisco Networking Technologies (INTRO)" is intended for candidates seeking to achieve their CCNA certification and must be taken in conjunction with the 640-811 "Interconnecting Cisco Network Devices (ICND)" exam.
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CCNA1 | 0.00 | Apr 24,09 | ||
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Passed on 12-18-2007 | 9.00 | Dec 20,07 | ||
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ccna dumps | 2.00 | Sep 30,07 | ||
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Cisco 640-821 | zip (5451.14 Kb) | 7.00 | Oct 13,06 | |
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need 640-821 please! | 0.00 | Aug 17,06 | ||
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640-821 Braindumps Introduction to Cisco Networking Technologies (INTRO) | 5.00 | Aug 11,06 | ||
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NEED DUMP for INTRO | 8.00 | Jul 15,06 | ||
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INTRO | 5.00 | Jan 23,06 | ||
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cisco 640-821 | 3.00 | Nov 17,05 | ||
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intro | 2.00 | Aug 04,05 | ||
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640-821 Exam Info
The Cisco exam 640-821, "Introduction to Cisco Networking Technologies (INTRO)" is one of the two exams required candidates pursuing a two-exam option for the CCNA certification. It measures a candidate's understanding and knowledge of networking fundamentals including Network Types, Network Media, Switching Fundamentals, TCP/IP, IP Addressing and Routing, WAN Technologies, Operating and Configuring IOS Devices, and Managing Network Environments. On passing the 640-821 exam, a candidate's knowledge and skills necessary to describe and identify major network and WAN components, along with their function and purpose will be certified.
What you need to know
You must be able to use a subset of Cisco IOS commands to analyses and report network problems. You must be able to use embedded layer 3 through layer 7 protocols to establish, test, suspend or disconnect connectivity to remote devices from the router console.
You must be able to establish communication between a terminal device and the router IOS, and use IOS for system analysis. You should also know how to manipulate system image and device configuration files. You must be able to perform an initial configuration on a router and save the resultant configuration file.
You must also know how to use commands incorporated within IOS to analyze and report network problems. You must know how to assign IP addresses. You must be able to describe and to install the hardware and software required to be able to communicate through the network. You must be able to use embedded data link layer functionality to perform network neighbor discovery and analysis from the router console. You must also be able to use embedded layer 3 through layer 7 protocols to establish, test, suspend or disconnect connectivity to remote devices from the router console.
You must know the mathematical skills required to work flawlessly with integer decimal, binary and hexadecimal numbers and simple binary logic (AND). You must be able to define and describe the structure and technologies of computer networks. You must also know the hardware and software needed to be able to communicate through a network.
You must be able to describe the physical, electrical and mechanical properties and standards associated with optical, wireless and copper media used in networks. You must also be able to describe the purpose and fundamental operation of the internet-work operating system (IOS). You must also know the job of the router in a WAN.
You must be able to identify the major internal and external components of a router, and describe the associated functionality. You must also be able to identify and describe the stages of the router boot-up sequence. You must also know how the configuration register and boot system commands are used to modify the router boot-up sequence. You must also be able to describe the concepts associated with routing, and the different methods and protocols used to achieve it.
You must know how the IP address is associated with a device interface, and the association between physical and logical addressing. You must be able to employ IP addressing techniques. You should also know how to compare and contrast collision and broadcast domains, and describe the process of network segmentation.
You must be able to describe the principles and practice of switching in an Ethernet network. You must be able to explain how collisions are detected and handled in an Ethernet system. You must also be able to explain the fundamental concepts associated with the Ethernet media access technique.
You must be able to describe how the protocols associated with TCP/IP allow host communication to occur. You must also be able to describe the operation of the Internet Control Message Protocol (ICMP) and identify the reasons, types and format of associated error and control messages. You must be able to describe the principles and practice of packet switching utilizing the Internet Protocol (IP).
You must be able to describe, compare and contrast network communications using two examples of layered models, which are OSI and IETF. You must be able to describe the fundamental concepts associated with transport layer protocols, and compare the connectionless approach to transport with the connection oriented one.
You must be able to list the major TCP/IP application protocols, and briefly define their features and operation. You must be able to describe the operation of the major transport layer protocols TCP and UDP and the interaction and carriage of application layer data. You must be able to perform an initial configuration on a switch and save the resultant configuration file.
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