By Kevin Wallace
CCDA speedy Reference Sheets: examination 640-863
As a last examination instruction device, the CCDA speedy Reference Sheets presents a concise assessment of all targets at the new DESGN examination (640-863). This electronic brief minimize offers you particular, graphical-based details, highlighting purely the major subject matters in cram-style layout.
With this rfile as your consultant, you are going to evaluation issues on strategic and modular community layout; easy campus and knowledge heart community layout; distant connectivity layout; IP addressing and routing protocols; and safeguard, voice, and instant networking concerns. those fact-filled speedy Reference Sheets let you get all-important details at a look, assisting you concentration your research on components of weak point and increase reminiscence retention of crucial examination concepts.
Table of Contents
1. Strategic community Design
2. Modular community Design
3. Exploring simple Campus and information heart community Design
4. distant Connectivity Design
5. IP Addressing and Routing Protocols
6. community Security
7. picking out Voice Networking Considerations
8. determining instant Networking Considerations
About the author:
Kevin Wallace, CCIE No. 7945,CCSI, CCVP, CCNP, CCDP, MCSE four, CNE 4/5, is a full-time teacher of Cisco classes. With 17 years of Cisco internetworking event, Kevin has been a community layout professional for The Walt Disney global hotel and a community supervisor for japanese Kentucky collage. Kevin holds a bachelor of technological know-how measure in electric engineering from the collage of Kentucky.
About the technical editor:
Michael Shannon is an teacher and developer for CBT Nuggets, the place he manages the creation and improvement of multimedia company IT education items for Cisco, Microsoft, and CompTIA certifications. earlier than becoming a member of CBT Nuggets, Michael was once a senior teacher for Mindworks, the place he taught Cisco, Microsoft, and CompTIA certification sessions. Michael holds CCNA, CCNP, and CCDP certifications and has written various books and courses.
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Additional info for CCDA Quick Reference Sheets: Exam 640-863
For example, a reconnaissance attack might use a port-scanning utility to determine what ports (for example, Telnet or FTP ports) are open on various network hosts. could make a system (and therefore the system’s data) inaccessible by legitimate users. Therefore, security measures should be used to maintain system and data availability. © 2007 Cisco Systems Inc. All rights reserved. This publication is protected by copyright. Please see page 70 for more details. COM Publisher: Cisco Press Licensed by Minh Dang Print Publication Date: 2007/05/15 User number: 927500 Copyright 2007, Safari Books Online, LLC.
The main concepts of access control are authentication (which determines the identity of the user) and authorization (which defines what a user is allowed to do on a network). n Threat defense—Security breaches are minimized and mitigated through three primary approaches: Test FIGURE 6-1 n Physical security—Limits physical access to network Network security process. resources. n Infrastructure protection—Takes measures to ensure Cisco Self-Defending Network Security needs to be fully integrated into a network to combat data theft.
S. copyright laws (see 17 USC107) or that otherwise violates the Safari Terms of Service is strictly prohibited. CCDA Quick Reference Sheets: Exam 640-863 Return to Table of Contents Page 51 [ 50 ] CCDA Quick Reference Sheets by Kevin Wallace CHAPTER 7 amplitude does not have an associated number, the measure of each amplitude is rounded off to the nearest number on a scale. For example, consider Figure 7-2, which shows how these amplitudes are rounded off on a linear scale. This rounding off can cause quantization noise.