By Todd Lammle
Concise, available insurance of All CCNA targets for examination 640-801 Bonus checks at the CD Written by means of Todd Lammle, the top Authority on Cisco Internetworking From the writer of Sybex's best-selling CCNA: Cisco qualified community affiliate examine advisor comes the streamlined software you want to hone in on severe CCNA info: CCNA quick go. The enclosed CD enables you to perform, perform, perform so that you can process the examination with self belief. assurance comprises: Designing Cisco internetworks constructing an entry checklist comparing TCP/IP verbal exchange Configuring routers and switches Configuring IP addresses, subnet mask, and gateway addresses appearing LAN, VLAN, and WAN troubleshooting realizing ideas for packet keep an eye on Featured at the CD The enclosed CD good points CCNA perform checks masking all examination targets. you furthermore mght get a hundred digital flashcards for computers, Pocket computers, and Palm handhelds, plus a word list of key words. notice: CD-ROM/DVD and different supplementary fabrics should not incorporated as a part of e-book dossier.
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Extra info for CCNA: Cisco Certified Network Associate FastPass, 2nd Edition
It sends the complete routing table out to all active interfaces every 30 seconds. RIP uses only hop count to determine the best way to a remote network, but it has a maximum allowable hop count of 15 by default, meaning that 16 is deemed unreachable. RIP works well in small networks, but it’s inefficient on large networks with slow wide area network (WAN) links or on networks with a large number of routers installed. RIP version 1 uses only classful routing, which means that all devices in the network must use the same subnet mask.
30 Chapter 1 Planning and Designing As I said, the whole idea of the Hello messages is to enable the rapid detection of new or dead neighbors. RTP answers this call by providing a reliable mechanism for conveying and sequencing messages. Building upon this solid foundation, DUAL is responsible for selecting and maintaining information about the best paths. Multiple ASes EIGRP uses autonomous system numbers (ASNs) to identify the collection of routers that share route information. Only routers that have the same ASN share routes.
Doing things this way saves megatons of address space—good for us all! Network Address Translation (NAT) Whether your network is the home or the corporate type, if it uses the private IP addresses that I just talked about, you have to translate your private inside addresses to a public outside address by using NAT. The main idea is to conserve Internet global address space, but it also increases network security by hiding internal IP addresses from external networks. In NAT terminology, the inside network is the set of networks that are subject to translation.