CCENT Certification All-In-One For Dummies by Glen E. Clarke

By Glen E. Clarke

Prepare for Cisco's entry-level networking certification CCENT examination 640-822If you are getting ready for Cisco certification, your street starts off with CCENT examination 640-822 ICND1. This quantity covers every thing you must understand! you will examine networking fundamentals and the way to paintings with Cisco units, routers, switches, and extra. With over six hundred pages, plus dozens of evaluate questions, this entire consultant can help you are making the grade.Discover CCENT certification — discover what the certification comprises and what to anticipate at the examNetworks and Cisco units — study networking fundamentals, all approximately ports, and the way to configure interfaces and companies equivalent to DHCP and NATData routing — discover static routing, dynamic routing protocols, and the way to manage the routing approach with the routing tableBe ready — research easy troubleshooting steps and instructions you should use on Cisco devicesCast a much wider internet — familiarize yourself with community safeguard, defense top practices, and large quarter networks (WANs)Open the publication and find:Basic evidence of networkingIntroduction to TCP/IPHints for utilizing the Cisco IOSStep-by-step description of the routing processA consultant to easy configurationTroubleshooting adviceExam suggestions for every topicAn exam-objective mapping tableDetailed examples of subnetting

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The straight-through cable gets its name because each of the eight wires in the cable retains its position within the cable from one end to another. For example, the third wire is the third wire at both ends. Let’s look at why positioning of the wires in the connector is important. When you plug the RJ-45 connector of a UTP cable into a computer, the wires make contact with pins in the RJ-45 port of the network card. For RJ-45 ports on a computer, the important pins are pins 1, 2, 3, and 6. Pins 1 and 2 are the transmit pins (TX) for sending data, while pins 3 and 6 are the receive pins (RX) for receiving data.

I have to say that the CCENT certification is one of my favorite certifications because (though it is considered an entry-level certification) it ensures the exam candidate has basic networking knowledge and knows the fundamentals of Cisco device configuration. This chapter is designed to give you information on what to expect on the CCENT certification exam and how to go about registering for it. Study hard and good luck! The Value of CCENT Certification For years, the first Cisco certification exam you would have taken to attain a Cisco certification was the Cisco Certified Network Associate (CCNA).

The Thinnet coax cable uses 185 meters as a maximum distance. 10Base2 uses a bus topology and CSMA/CD as a method of placing data on the wire. 10Base5 Another example of an older Ethernet architecture is the 10Base5 architecture. 10Base5 runs at 10 Mbps and also uses baseband transmission. The difference between 10Base5 and 10Base2 is the type of cabling used — 10Base5 uses Thicknet cabling, which has a maximum distance of 500 meters, while 10Base2 uses Thinnet coaxial cable. 10Base5 also uses a bus topology and, like all other Ethernet architectures, uses CSMA/CD as the access method.

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