By Richard Deal
The most sensible absolutely built-in learn process Available
With hundreds of thousands of perform questions and hands-on workouts, CCNA Cisco qualified community affiliate research Guide covers what you want to know-and indicates you ways to prepare-for this tough examination.
- a hundred% whole assurance of all legit ambitions for examination 640-802
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- contained in the examination sections in each bankruptcy spotlight key examination issues coated
- Simulated examination questions fit the layout, tone, subject matters, and hassle of the true examination
Covers all CCNA examination themes, including:
Network Topologies · OSI Reference version · Layer-2 LAN applied sciences · Bridges and Switches · WLAN · IP Addressing and Subnetting · VLSM · TCP/IP and the delivery Layer · Cisco IOS software program · change and Router Configuration · VLANs and Trunks · Switches and Redundancy · IOS equipment administration · OSPF and EIGRP Routing · entry keep an eye on Lists · IPv6 · WAN · body Relay
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Read or Download CCNA Cisco Certified Network Associate Study Guide (Exam 640-802) PDF
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Extra info for CCNA Cisco Certified Network Associate Study Guide (Exam 640-802)
For the most part, Vue exams work similarly from vendor to vendor. However, there is an important fact to know about Cisco’s exams: They use the traditional test format, not the newer adaptive format. This allows Cisco to choose an appropriate number of questions on each objective in order to test your knowledge. Cisco no longer allows you to mark questions for later review—once you answer a question, you cannot go back and change your answer. To discourage simple memorization, Cisco exams present a different set of questions every time the exam is administered.
Therefore, understanding its topology and workings is very important when it comes to implementation in a company’s network. Wide Area Networks Wide area networks (WANs) are used to connect LANs together. Typically, WANs are used when the LANs that must be connected are separated by a large distance. 8 Chapter 1: Networks Whereas a corporation provides its own infrastructure for a LAN, WANs are leased from carrier networks, such as telephone companies and Internet service providers (ISPs). Four basic types of connections, or circuits, are used in WAN services: circuit-switched, cell-switched, packet-switched, and dedicated connections.
Two types of meshed topologies are used: partial and full. In a partially meshed environment, every device is not connected to every other device. In a fully meshed environment, every component is connected to every other component. Figure 1-3 shows examples of these two types of topologies. Note that like physical and logical topologies, partial and full mesh can be seen from both a physical view and a logical one. For example, in a physical bus topology, all the components are fully meshed, since they are all connected to the same piece of wire—this is both a physical and a logical fully meshed topology and is common in LAN topologies.