Networking: A Beginner’s Guide Fifth Edition- P75 pot

... terminate process. (Okay, maybe using kill as a name wasn’t so inappropriate after all. ) When kill is invoked, it requires at least one parameter: the process identification number (PID) as derived ... process a standard set of signal handlers to deal with incoming signals. From a systems administrator’s standpoint, the most important handler is for signal numbers 9 and 15: kill pro...

Ngày tải lên: 05/07/2014, 04:20

... 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 Edition BRUCE HALLBERG New York Chicago San Francisco Lisbon London Madrid...

Ngày tải lên: 05/07/2014, 04:20

... 44 Comparing Rings to Stars and Buses 46 Demystifying Network Cabling 47 Overview of Basic Cable Types 47 Twisted-Pair Cabling: The King of Network Cables 48 Coaxial Cable 52 Installing and Maintaining ... 147 Practices and User Education 148 Understanding External Threats 149 Front-Door Threats 150 Back-Door Threats 152 DoS Threats 153 Viruses and Other Malicious Software 154 Chapter Summar...

Ngày tải lên: 05/07/2014, 04:20

... the Virtual Machine 384 Installing VMware Tools 386 Backing Up Virtual Machine Data 388 Chapter Summary 388 Appendix Understanding the Sarbanes-Oxley Act 389 Sarbanes-Oxley Act Summary 390 Title ... Fedora 361 Downloading and Installing Apache Web Server 361 Administering Apache Web Server 363 Stopping and Starting Apache 363 Changing the Apache Configuration 363 Publishing Web Pages 364 Chap...

Ngày tải lên: 05/07/2014, 04:20

... 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 ne...

Ngày tải lên: 05/07/2014, 04:20

... numbers, A equals 10 in the decimal system, B equals 11, C equals 12, D equals 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...

Ngày tải lên: 05/07/2014, 04:20

... 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 ba...

Ngày tải lên: 05/07/2014, 04:20

... 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/...

Ngày tải lên: 05/07/2014, 04:20

... 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...

Ngày tải lên: 05/07/2014, 04:20

... 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...

Ngày tải lên: 05/07/2014, 04:20