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Cisco 640-821
The Cisco exam 640-821, Introduction to Cisco Networking Technologies (INTRO) is one of the two exams required for the CCNA certification. It is advised that you have an in-depth understanding of the topics in the exam blueprints. You are encouraged to have at lease one year of experience in a LAN/WAN environments prior to attempting certification. It is recommended that you take this exam in conjunction with the 640-811 Interconnecting Cisco Network Devices (ICND) exam. This exam measures the candidates understanding and knowledge of networking fundamentals that includes the Open Systems Interconnect (OSI) seven-layer model concepts; terminology and technologies. The candidate who passes the 640-821 exam will possess the knowledge and skills necessary to describe and identify major network and WAN components, along with their function and purpose.
Exam Details:
The Cisco 640-821 œIntroduction to Cisco Networking Technologies (INTRO) exam has a difficulty rating of about 3 out of 5 and is thus a moderate exam. The Cisco 640-821 œIntroduction to Cisco Networking Technologies (INTRO) exam consists of approximately 45 to 55 questions. The student taking the Cisco 640-821 œIntroduction to Cisco Networking Technologies (INTRO) exam will have 75 minutes to complete the test. The questions consist of multiple-choice, drag and drop and simulations-based questions. The 640-821 practice exams, the 640-821 study guides and 640-821 exam notes encompass the key topics tested in the Cisco 640-821 œIntroduction to Cisco Networking Technologies (INTRO) exam. You need a pass rate of 85% in order to pass.
Registering for the Exam:
The Cisco 640-821 œIntroduction to Cisco Networking Technologies (INTRO) exam cost $125 USD for registering.
Key Topics:
The key topics for the Cisco Certified Network Associate (CCNA) certification is that it measures the candidates understanding and knowledge of networking fundamentals that includes the Open Systems Interconnect (OSI) seven-layer model concepts; terminology and technologies. The Cisco 640-821 œIntroduction to Cisco Networking Technologies (INTRO) exam covers the Data Link Layer: Ethernet LANs, LAN Cabling, Standards, and Topologies, Fundamentals of WANs, Rudiments of IP, Basic Router Configuration and Operation, Dynamic Routing Protocols, Cisco LAN Switching and Remote Access Technologies,
It is important that his exam measures the candidates understanding and knowledge of networking fundamentals that includes the Open Systems Interconnect (OSI) seven-layer model concepts; terminology and technologies. You should know how to use the commands incorporated within IOS to analyze and report network problems. It is vital that you know how to assign IP addresses. It will be required by you to describe and install the hardware and software necessary to communicate through the network.
It is important fir you to know the mathematical skills required to work flawlessly with integer decimal, binary and hexadecimal numbers as well as simple binary logic (AND). You must be capable of describing the physical, electrical and mechanical properties and standards associated with optical, wireless and copper media used in networks. You must be able to identify the major internal and external components of a router, and describe the associated functionality. It is advised that you 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 must be able to describe the principles and practice of switching in an Ethernet network. You must have a sound knowledge of their manner in which the protocols associated with TCP/IP allow host communication to occur. You should be able to describe the operation of the Internet Control Message Protocol (ICMP) as well as describing principles and practice of packet switching utilizing the Internet Protocol (IP).
You must be capable of describing, comparing and contrasting network communications using two examples of layered models, which are OSI and IETF. It is advisable that you are able to describe the fundamental concepts associated with transport layer protocols. You need to be familiar with the major TCP/IP application protocols and be able to define their features and operation. It is important that you have knowledge regarding the operation of major transport layer protocols TCP and UDP and the interaction and carriage of application layer data.
Preparing for the Exam:
640-821 study materials that are available on the Internet range from the official Cisco Certification Training courses and official Cisco Self Study Training Guides from Cisco Press, to the Testking 640-821 practice exams and Testking 640-821 study guides and 640-821 braindumps.
Certification Credits:
When you pass the Cisco 640-821 œIntroduction to Cisco Networking Technologies (INTRO) exam you will be awarded credit towards the Cisco Certified Network Associate (CCNA) certification and would have mastered the knowledge and skills necessary to describe and identify major network and WAN components, along with their function and purpose.
