Pocket Medicine Fifth Edition Marc S. Sabatine

Networking, A Beginner''''s Guide, Fifth Edition (Networking Professional''''s Library) ppt

Networking, A Beginner''''s Guide, Fifth Edition (Networking Professional''''s Library) ppt
... an application header and application data (the actual data being sent) Next, at the presentation layer, a presentation header is wrapped around the data, and it is passed to the component at ... layer (layer 3) can transmit its data The data-link layer typically includes error detection and correction to ensure a reliable data stream The data elements carried by the data-link layer are ... refer to what are essentially wide area networks, all with variations on the xAN acronym scheme Some examples include metropolitan area network (MAN), distance area network (DAN), campus area network...
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Networking: A Beginner’s Guide Fifth Edition- P1 potx

Networking: A Beginner’s Guide Fifth Edition- P1 potx
... 0-07-163355-3 All trademarks are trademarks of their respective owners Rather than put a trademark symbol after every occurrence of a trademarked name, we use names in an editorial fashion only, and to ... such damages This limitation of liability shall apply to any claim or cause whatsoever whether such claim or cause arises in contract, tort or otherwise For my daughters, Vivian and Maxine, ... special quantity discounts to use as premiums and sales promotions, or for use in corporate training programs To contact a representative please e-mail us at bulksales@mcgraw-hill.com Information...
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Networking: A Beginner’s Guide Fifth Edition- P2 potx

Networking: A Beginner’s Guide Fifth Edition- P2 potx
... Network Cabling Overview of Basic Cable Types Twisted-Pair Cabling: The King of Network Cables Coaxial Cable Installing and Maintaining Network Cabling Choosing a Cabling ... Routers, and Switches Cabling and Cable Plants Workstation Hardware Chapter Summary 17 18 18 19 Understanding Network Cabling Understanding Cable ... Layer Application Layer Understanding How Data Travels Through the OSI Layers Learning About Network Hardware Components Servers ...
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Networking: A Beginner’s Guide Fifth Edition- P3 potx

Networking: A Beginner’s Guide Fifth Edition- P3 potx
... Server Under Fedora Downloading and Installing Apache Web Server Administering Apache Web Server Stopping and Starting Apache Changing the Apache Configuration ... Virtual Machine Installing VMware Tools Backing Up Virtual Machine Data Chapter Summary 367 369 369 370 384 386 388 388 Appendix Understanding the Sarbanes-Oxley Act Sarbanes-Oxley ... Contents Using VMware Virtualization Products Downloading and Installing VMware Server Accessing the VMware Server Management Console Creating a Virtual Machine for Ubuntu...
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Networking: A Beginner’s Guide Fifth Edition- P4 pot

Networking: A Beginner’s Guide Fifth Edition- P4 pot
... several areas of particular specialization, such as e-mail servers like Lotus Notes or Microsoft Exchange, or database servers like Oracle or SQL Server Internet administrator Many people these days ... bits and bytes work The notion of binary, octal, decimal, and hexadecimal notation How basic PC hardware works, and how to install and replace PC peripheral components Two or three desktop operating ... addressing and routing and network hardware, including routers, bridges, gateways, switches, and firewalls Also, in large networks, administrators tend to specialize in certain areas, so you...
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Networking: A Beginner’s Guide Fifth Edition- P5 ppt

Networking: A Beginner’s Guide Fifth Edition- P5 ppt
... a smaller company that has only one network administrator, duties include the following: Creating, maintaining, and removing user accounts Ensuring that necessary backups are made on a regular ... asking these questions, and others that may occur to you, is to get a good understanding of each functional area: what it does and how it does it, as well as what it wants to be able to in the future ... manufacturing, sales and marketing, accounting, purchasing and materials, retail operations, and so forth The range of managers that you interview will depend on the type of business in which the company...
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Networking: A Beginner’s Guide Fifth Edition- P6 pdf

Networking: A Beginner’s Guide Fifth Edition- P6 pdf
... of database administrator Organizations employ e-mail administrators, webmasters, web designers, network support technicians, and so on In fact, a dizzying number of different jobs are available ... interests, you can then analyze what additional skills, classes, or certifications you may need to enter one of those jobs Many opportunities are available The important thing is to get started and pursue ... that this law has an important impact on the networks of all public companies, and so it’s important for you to understand what all the fuss is about The Sarbanes-Oxley Act of 2002 (usually referred...
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Networking: A Beginner’s Guide Fifth Edition- P7 potx

Networking: A Beginner’s Guide Fifth Edition- P7 potx
... understand about any network connection is how much data it can carry Broadly, this capacity is called bandwidth, which is measured by the amount of data that a connection can carry in a given ... equals 14, and F equals 15 You can determine the decimal value for a hexadecimal value manually using the same method as shown earlier in this chapter for decimal and binary numbers The hexadecimal ... Chapter 2: Laying the Foundation you like You can have a base-3 numbering system, a base-11 numbering system, and so on Humans have come to favor the base-10 system, probably because we have...
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Networking: A Beginner’s Guide Fifth Edition- P8 pps

Networking: A Beginner’s Guide Fifth Edition- P8 pps
... workstations) A pure client/server network is one in which all available network resources—such as files, directories, applications, and shared devices—are centrally managed and hosted, and then are ... not nearly as secure as client/ server networks because you cannot guarantee that all of the users will appropriately administer their machines In fact, in a network of any size (say, more than ... management philosophy, where decisions are made locally and resources are managed according to the most immediate needs A client/server network is more like a company that uses centralized management,...
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Networking: A Beginner’s Guide Fifth Edition- P9 doc

Networking: A Beginner’s Guide Fifth Edition- P9 doc
... using gateway software that is part of the file-based e-mail system 25 26 Networking: A Beginner’s Guide In a client/server e-mail system, an e-mail server contains the messages and handles all ... required from a file-based e-mail system and the outside (say, to the Internet) are usually accomplished with a stand-alone computer—called a gateway server—that handles the e-mail interface between ... time and to resolve problems that might arise 23 24 Networking: A Beginner’s Guide NOTE Most database programs allow multiple users to access a database simultaneously Often, this is done using a...
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Networking: A Beginner’s Guide Fifth Edition- P10 docx

Networking: A Beginner’s Guide Fifth Edition- P10 docx
... physical layer Data-Link Layer The data-link layer, layer 2, defines standards that assign meaning to the bits carried by the physical layer It establishes a reliable protocol through the physical ... physical layer so the network layer (layer 3) can transmit its data The data-link layer typically includes error detection and correction to ensure a reliable data stream The data elements carried ... telecommunications networks as well as LANs) and data transfer The MAC sublayer handles frame assembly and disassembly, error detection and correction, and addressing The two most common MAC protocols are...
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Networking: A Beginner’s Guide Fifth Edition- P11 ppt

Networking: A Beginner’s Guide Fifth Edition- P11 ppt
... plates, patch panels, and so forth It’s extremely important that a new installation of a cable plant be performed by a qualified contractor trained to install that type of cable Cable may appear simple, ... You will also occasionally see a lower-grade cable used called Category (Cat-3) cable This is similar to Cat-5 cable, but has half as many wires running through it and Chapter 3: Understanding ... immediately need it, because the cost of rewiring an entire building is very high Cat-5 cable has been improved and is now called Cat-5E cable Also, an even newer standard called Cat-6 has been approved...
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Networking: A Beginner’s Guide Fifth Edition- P12 pdf

Networking: A Beginner’s Guide Fifth Edition- P12 pdf
... networks have some big drawbacks Because all the subcables that make up the segment and run from node to node must be connected at all times, and because a failure in any part of the segment will cause ... repeater counting as a node) You can also have two additional segments (a total of five) if those extra two segments are used for distance only and not have any nodes on them An entire repeated ... cable so it can be extended further; they not route any of the data In fact, a repeater is “ignorant” of any of the data it carries Repeaters are inexpensive and reliable However, remember that...
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Networking: A Beginner’s Guide Fifth Edition- P13 potx

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 node ... rather than broadband (A baseband connection carries only one signal at a given instant; a broadband connection carries multiple signals at any time.) The terminating letter or number indicates ... you can see and feel Logical means how something works, despite its appearance For example, a Token Ring network is physically wired in a star; each cable radiates out from the MAU to each node...
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