Networking: A Beginner’s Guide Fifth Edition- P4 pot
Networking: A Beginner’s Guide Fifth Edition- P4 pot
... job, and is essentially the project manager for the book. It involves keeping all of the parts of the book moving forward, knowing where all the chapters are at any given time, and occasionally ... other companies. You should seriously consider pursuing an appropriate certification. While certifications can never replace experience, they are one way that a person can demonstrate a needed ... knowledge and expertise in a particular area. This difference may be key in getting the best possible job offers and in being able to gain more experience. Often, an appropriate certification can...
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Networking: A Beginner’s Guide Fifth Edition- P1 potx
... the trademark. Where such designations appear in this book, they have been printed with initial caps.McGraw-Hill eBooks are available at special quantity discounts to use as premiums and sales ... For my daughters, Vivian and Maxine, of whom I am extraordinarily proud. Networking: A Beginner’s Guide, Fifth EditionBRUCE HALLBERGNew York Chicago San Francisco Lisbon London Madrid Mexico ... in corporate training programs. To contact a representative please e-mail us at bulksales@mcgraw-hill.com.Information has been obtained by McGraw-Hill from sources believed to be reliable. However,...
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Networking: A Beginner’s Guide Fifth Edition- P2 potx
... 44Comparing Rings to Stars and Buses 46Demystifying Network Cabling 47Overview of Basic Cable Types 47Twisted-Pair Cabling: The King of Network Cables 48Coaxial Cable 52Installing and Maintaining ... 147Practices and User Education 148Understanding External Threats 149Front-Door Threats 150Back-Door Threats 152DoS Threats 153Viruses and Other Malicious Software 154Chapter Summary 15512 ... 106AppleTalk 107Chapter Summary 1079 Exploring Directory Services 109What Is a Directory Service? 110Forests, Roots, Trees, and Leaves 112Department of Redundancy Department 113Learning About...
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Networking: A Beginner’s Guide Fifth Edition- P3 potx
... the Virtual Machine 384Installing VMware Tools 386Backing Up Virtual Machine Data 388Chapter Summary 388Appendix Understanding the Sarbanes-Oxley Act 389Sarbanes-Oxley Act Summary 390Title ... Fedora 361Downloading and Installing Apache Web Server 361Administering Apache Web Server 363Stopping and Starting Apache 363Changing the Apache Configuration 363Publishing Web Pages 364Chapter ... and Manipulation 342Process Manipulation 351Miscellaneous Tools 355Chapter Summary 35722 Setting Up a Linux Web Server with Apache 359Overview of Apache Web Server 360Activating Apache...
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Networking: A Beginner’s Guide Fifth Edition- P7 potx
... numbers, A equals 10 in the decimal system, B equals 11, C equals 12, Dequals 13, E equals 14, and F equals 15.You can determine the decimal value for a hexadecimal value manually using the same ... letter x can be either lowercase or uppercase, so both 0x11AB and 0X11AB are correct. Hexadecimal numbers may also be shown with a trailing letter h, which can be lowercase or uppercase. Rarely, ... school. What grade school probably didn’t cover is the fact that basing a numbering system on ten is completely arbitrary; there is no mathematical reason to favor a base-10 system over any other....
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Networking: A Beginner’s Guide Fifth Edition- P13 potx
... Topology A ring topology is actually not a physical arrangement of a network cable, as you might guess. Instead, rings are a logical arrangement; the actual cables are wired in a star, with each ... number—can be 10, 100, or 1000, and this number indicates the data rate (in Mbps) that the standard carries. The word Base means the network is baseband rather than broadband. (A baseband connection ... coaxial (RG-58) cable10Base-5 10 Mbps, coaxial (RG-8) cable10Base-T 10 Mbps, twisted-pair (two pairs, Cat-3 or higher) cable100Base-T 100 Mbps, twisted-pair (two pairs, Cat-5) cable; a variant...
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Networking: A Beginner’s Guide Fifth Edition- P15 pot
... for any reason whatsoever. The coaxial cable will cause all other nodes in the segment to fail if the cable is separated. Make sure that facilities personnel also know this.Making sure that a ... that is what you must always use—not any other coaxial cable. Not mixing RG-5 8A/ U and RG-58/U is also a good idea because they have ever-so-slightly different signaling characteristics. (A/ U ... versa.52 Networking: A Beginner’s Guide Coaxial CableMany older networks (those built prior to circa 1992) still have coaxial cable installed. Most of this coaxial cable is the thin variety,...
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Networking: A Beginner’s Guide Fifth Edition- P27 pot
... through a process called replication, in which changes to any of the individual directory databases are transparently updated to all the other directory service databases. A potential problem ... on a structure that allows “trees of trees,” which is called a forest. Each tree is its own domain and has its own domain controllers. Within a domain, separate organizational units are allowed ... LANs connected by a wide area network (WAN). In such cases, you want to host a partition that relates to a particular LAN locally, yet still allow access to the entire tree for resources accessed...
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Networking: A Beginner’s Guide Fifth Edition- P33 pot
... would take about a year to crack an eight-character mixed-case password using brute force.N Encourage users to create passwords that are not words in any language or, if they are words, that they ... strike a balance between security and usability.Are There Alternatives to Passwords?There are a number of emerging alternatives to passwords that should make networks more secure, and also make ... Require passwords that are at least eight characters long. For case-insensitive passwords that do not allow special characters, this yields potentially 368possible permutations, or almost 3...
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Networking: A Beginner’s Guide Fifth Edition- P41 pot
... However, RAID 3 and RAID 5 arrays do occasionally fail to recover data properly (although they very rarely lose data). For this reason, you usually should opt for either RAID 1 or a RAID 10 array ... data is striped across them, and you have what is called a RAID 10 array (with 10 referring to a combination of RAID 1 and RAID 0). This is sometimes also called RAID 0 + 1 or RAID 1 + 0.N RAID ... shows a typical RAID 1 array layout.Figure 13-1. A RAID 0 array stripes data across multiple disksFileDisk 1Disk 3Disk 2184 Networking: A Beginner’s Guide TIP You can combine RAID levels 0 and...
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