CompTIA Network+ Certification Study Guide part 57 docx

... [-h] dig [global-queryopt ] [query ] CHAPTER 11: Network Troubleshooting Tools 550 use a particular route. This is particularly useful if you’re creating multiple routes to the same network as a fault ... configured on the client.  set querytype=X Restricts the query type so that it only returns a particular type of records. You can restrict nslookup queries to look for CNAME records, MX...

Ngày tải lên: 04/07/2014, 13:21

... more immune to interference the signal becomes. If part of the transmis- sion is corrupted, the data can still be recovered from the remaining part of Note One megahertz represents 1 million cycles ... the MAC layer is particularly noteworthy and has significant consequences for the security of wireless net- works. This means that data at the higher levels of the OSI model, particu- lar...

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... com- bined with the zip code is a unique combination that identifies a particular house or building just as an IP address identifies a particular host. Figure 7.3 illustrates this concept. Large networks ... Class E addresses, which are considered experimental at this time. In addition, there are several guidelines regarding allowable or legal addresses for network IDs and for host IDs. As...

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... included (as you’ll recall, the physical or HEAD OF THE CLASS… Network+ Exam is Focused on TCP/IP … Period. For those of you taking the Network+ exam, you will need to know TCP/IP in detail. It’s ... in detail. It’s the most commonly used protocol today and the most tested on the exam. On the Network+ exam, the term IPX/SPX (as well as the others) will come up a lot so it may appea...

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... performing a security audit for a company to determine 3. their risk from various attack methods. As part of your audit, you work with one of the company’s employees to see what activities he performs ... various authentication methods. One of the methods being described uses a time-stamped ticket as part of its methodology. Which authentication method would match this description? A...

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... This chapter will help you to put together all of the concepts you’ve learned throughout this study guide, to help you use them in troubleshooting real-world issues that you might encounter on ... interference on the line? This page intentionally left blank 573 CHAPTER 12 EXAM OBJECTIVES IN THIS CHAPTER HOW TO USE THE OSI MODEL IN TROUBLESHOOTING 575 TROUBLESHOOTING THE PHYSICAL LAY...

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... information: Subnet Mask: 255.255.0.0 Default Gateway: 172.16.0.1 DNS Servers: 172.16.0.100 172.16.0.101 As part of a recent network redesign, you had to change the default gate- way used by your clients

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... 183, 237– 257, 276–277, 287, 393, 398, 399 and 802 IEEE standards, 641–642 advantages of, 576 577 application layer, 252–253 component layers applications and user mode services, 257 file system ... 612–614, 624 reviewing, 577 578 and switches, 152–153 transport layer, 248–249 as troubleshooting tool, 563 use of, in troubleshooting, 575 –581, 622–623 establishing, 578 –581 OpenLDAP...

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... Data CompTIA Network+ certification study guide / Robert J. Shimonski [et al.]. — 2nd ed. p. cm. Includes index. ISBN 978-1-59749-429-8 (pbk. : alk. paper) 1. Computer networks—Examinations Study ... Syngress Publishing, Inc. Elsevier, Inc. 30 Corporate Drive Burlington, MA 01803 CompTIA Network+ Certification Study Guide Copyright © 2009 by Elsevier, Inc. All rights rese...

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... 978-1- 931836 -57- 9, Syngress), the technical editor for Security+ Study Guide and DVD Training System, (ISBN: 978-1-931836-72-2, Syngress), lead author and technical editor for Network+ Study Guide ... taking the Network+ exam. Doing so provided a method of shar- ing information and possibly opened avenues to accessing important resources. Computers are the same; they can be...

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