By Anthony Bruno
The reliable education advisor for the recent CCIE Routing and Switching written exam
CCIE Routing and Switching examination Certification Guide is a accomplished research and review device. Written and reviewed by way of CCIEs and constructed with the help of the CCIE application supervisor, this ebook is acceptable guidance for the recent CCIE Routing and Switching qualification examination published in August 2002 by means of Cisco platforms. you've got logged in hours studying a huge variety of complex techniques, you could have utilized them to real-world networks, and now you are ready to extend and strengthen your wisdom in instruction for Cisco structures' CCIE Routing and Switching written examination. Optimize your learn time via assessing your wisdom of the cloth in the beginning and shut of every bankruptcy with personalized quizzes for every subject. support your reminiscence by way of reviewing precis details on the finish of every bankruptcy, which provides you with the main succinct assessment of an important thoughts. try out your comprehension on the finish of every bankruptcy with evaluation questions and be certain the assimilation of data via stepping via a chain of scenarios.
Review all CCIE Routing and Switching and CCIE Communications and providers normal wisdom topics:
The significant other CD-ROM contains over 2 hundred perform examination questions in a simulated trying out setting, customizable so that you can concentrate on the components during which you would like the main assessment. With event and coaching less than your belt, this booklet lets you continue and grasp the data very important for passing the CCIE written examination and brings you that a lot in the direction of being a completely qualified CCIE.
CCIE Routing and Switching examination Certification Guide is a part of a suggested learn software from Cisco structures that may comprise simulation and hands-on education from licensed Cisco studying companions, hands-on adventure, and self-study courses from Cisco Press.
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Extra info for CCIE Routing and Switching Exam Certification Guide
Classless routing protocols advertise the subnet mask with each route. Subnetworks of a given IP network number can be conﬁgured with different subnet masks. Large LANs can be conﬁgured with a smaller subnet mask, and serial links can be conﬁgured with larger subnet mask, thereby conserving IP address space. Classless routing protocols also allow ﬂexible route summarization and superneting. Supernets are created by the aggregation of classful networks. 0/24. RIPv2, OSPF, EIGRP, IS-IS, and BGP are classless routing protocols.
Examples of transport layer speciﬁcations are the following: • • • • • Transmission Control Protocol (TCP) Real-Time Transport Protocol (RTP) Sequenced Packet Exchange (SPX) AppleTalk’s Transaction Protocol (ATP) User Datagram Protocol (UDP) (provides unreliable transport at this layer with less overhead than TCP) Session Layer (OSI Layer 5) The session layer provides a control structure for communication between applications. It establishes, manages, and terminates communication connections called sessions.
Router 2 sends its routing table to Router 3 without the route for Network D because it learned that route from Router 3. book Page 45 Friday, June 14, 2002 3:57 PM General Routing Concepts Figure 2-9 45 Simple Split Horizon Example Router 1 Network A Router 2 Network B Router 3 Network C Network D With split horizon, Router 2 sends Network A and Network B routes to Router 3. No route for Network D is sent to Router 3. With poison reverse, Router 2 sends Network A and Network B routes to Router 3.