Reference Sheets Exam 642-901 BGP IP Multicast IPv6 Introduction Brent Stewart Denise Donohue ciscopress.com [2] ABOUT THE AUTHORS CCNP BSCI Quick Reference Sheets About the Authors Brent Stewart, CCNP, CCDP, MCSE, Certified Cisco Systems Instructor, is a network administrator for CommScope. He participated in the development of BSCI, and has seperately developed training material for ICND, BSCI, BCMSN, BCRAN, and CIT. Brent lives in Hickory, NC, with his wife, Karen and children
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CHAPTER 1 Vulnerabilities, Threats, and Attacks Upon completion of this chapter, you should be able to answer the following questions: ■ ■ What are the basics concepts of network security? What are some common network security vulnerabilities and threats? ■ ■ What are security attacks? What is the process of vulnerability analysis? Key Terms This chapter uses the following key terms. You can find the definitions in the glossary at the end of the book. Unstructured threats Structured
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emulation in an ATM environment provides routing between emulated LANs for supported routing protocols and high-speed, scalable switching of local traffic. The ATM LANE system has three servers that are single points of failure. These are the LECS (Configuration Server), the LES (emulated LAN server), and the BUS (the broadcast and unknown server). LANE fault tolerance or Simple LANE Service Replication on the emulated LAN provides backup servers to prevent problems if these servers fail. The fault tolerance
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network cabling for the new data centers according to the ANSI/TIA-942 standard. * Design of the network architectures "Cloud Ready" and drafting of the technical specifications for the solution to be deployed, according to the reference model "Cisco Virtualized Multi-Tenant Data Center" (VMDC 2.2). * Data Center Interconnect design for virtualization needs, geoclustering and Disaster Recovery * Primary Data Center Network Infrastructure Project Manager (92 Cabinets) * Network cabling
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MTN Nigeria Multi-Protocol Label Switching (MPLS) Network is an important initiative in MTN Nigeria network today. It was built to deliver multimedia voice, video and data in prioritized QoS classes. Currently the capacity in place today in all the switch sites is 1G from the Provider edge routers (PE) to the Provider core (P) router as well as from the PE routers to the customer edge switches, and this is fast being consumed by high traffic growth on a daily basis.. In order to ensure high quality
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goodput, and latency. • Planning and executing the selection, installation, configuration, and testing of equipment. • Define network policies and procedures, establishing connections and firewalls. • Establishes network specifications by conferring with users; analyzing workflow, access, information, and security requirements. • Designing router and switch administration, including interface configuration, routing and switching protocols • Depending on workload and if time permits
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Top-Down Network Design Third Edition Priscilla Oppenheimer Priscilla Oppenheimer Cisco Press 800 East 96th Street Indianapolis, IN 46240 ii Top-Down Network Design Top-Down Network Design, Third Edition Priscilla Oppenheimer Copyright© 2011 Cisco Systems, Inc. Published by: Cisco Press 800 East 96th Street Indianapolis, IN 46240 USA All rights reserved. No part of this book may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying
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storms can be mitigated by decreasing the number of broadcast domains, thus increasing their size. C.A higher level of network security can be reached by separating sensitive data traffic from other network traffic. D. Port-based VLANs increase switch-port use efficient, thanks to 802.1Q trunks E.A more efficient use of bandwidth can be achieved allowing many logical networks to use the same network infrastructure. F. Broadcast storms can be mitigated by increasing the number of broadcast domains
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to the placement and changing the personnel assignment of the groups (Regan, 2004). Now let’s talk about layers. You would think that since VLANs are created on Layer 2 switches that this would be the best layer to utilize, but using the layer 3 switch offers greater control of the network. Layer 2 switches would not be as efficient control of the network or the speed of network operations. The type of trunking protocol that would be used is the IEEE 802.1Q protocol. This protocol is used to interconnect
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packets are replicated in the network by Cisco routers enabled with Protocol Independent Multicast (PIM) and other supporting multicast protocols resulting in the most efficient delivery of data to multiple receivers possible. All alternatives require the source to send more than one copy of the data. Some even require the source to send an individual copy to each receiver. If there are thousands of receivers, even low-bandwidth applications benefit from using Cisco IP Multicast. High-bandwidth applications
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