By Todd Lammle, John Swartz
A must–have examine advisor for examination 640–911 on Cisco′s Unified facts middle The Cisco qualified community affiliate information middle certification is Cisco′s latest certification, overlaying the Cisco Unified info heart applied sciences. Written through extraordinary writer and Cisco authority Todd Lammle, and CCIE John Swartz, this entire examine advisor is vital interpreting for a person getting ready to take the 640–911 examination (Introducing Cisco information heart Networking), offering in–depth assurance of the entire exam′s goals. additionally, it deals increased assurance on key issues mirrored at the examination.
Addresses knowing simple networking and ethernet applied sciences experiences the OSI and DoD version and TCP/IP shipping Layer Covers easy IP routing applied sciences, layer 2 switching applied sciences, and routing ideas offers an advent to Nexus swap in addition to the way to configure it CCNA information heart learn consultant provides you with entry to extra learn instruments, together with bonus perform tests, digital flashcards, a searchable PDF of a thesaurus of phrases. Plus, it is possible for you to to take advantage of the unfastened nexus simulator to accomplish all of the hands–on labs within the ebook.
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Extra resources for CCNA Data Center - Introducing Cisco Data Center Networking Study Guide: Exam 640-911
You just won’t find any LANs in physical rings anymore. The LANs that were used in the 1980s and early 1990s with ring topologies were Token Ring and Fiber Distributed Data Interface (FDDI). These LAN technologies no longer exist but are mentioned in the Data Center CCNA exam objectives. Physical Network Topologies 15 Mesh Topology In this type of topology, you’ll find that there’s a path from every machine to every other one in the network. That’s a lot of connections—in fact, the mesh topology wins the prize for “most physical connections per device”!
Yes, you’ll hear IT professionals throw this term around pretty loosely, but for the Cisco exams, stick to the definition being network devices, including workstations and servers, with IP addresses. Figure 1 . 4 A network populated with servers and workstations Secure server room Servers Hub Switch Sales Marketing Host Here’s a bit of background: the name host harkens back to the Jurassic period of networking when those dinosaurs known as mainframes were the only intelligent devices to roam the network.
Know the advantages and disadvantages of the topologies. It is important to know what each topology brings to the table. Knowing the various characteristics of each topology comes in handy during troubleshooting. Understand the terms LAN and WAN. You need to understand when you would use a LAN and when you would use a WAN. A local area network (LAN) is used to connect a group of hosts, and a WAN is used to connect various LANs. 22 Chapter 1 Understanding Basic Networking u Written Lab You can find the answers in Appendix A.
CCNA Data Center - Introducing Cisco Data Center Networking Study Guide: Exam 640-911 by Todd Lammle, John Swartz