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Network+ 2005 In Depth (P2) pps

Network+ 2005 In Depth (P1) pot

Network+ 2005 In Depth (P1) pot

... remain one of the fastest growing indus-tries in the U.S. economy, despite recent job losses. In any industry, the workforce is important to continually drive business. Having skilledworkers in ... in the networking industry, including those that oversee wiring codes, net-work access methods, and Internet addressing. It also discusses, in depth, the OSI Model,which is the industry standard ... passing CompTIA’s Network+ certification exam.Intended AudienceThis book is intended to serve the needs of students and professionals who are interested in mastering fundamental, vendor-independent...
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Network+ 2005 In Depth (P2) pps

Network+ 2005 In Depth (P2) pps

... learn by doing. Many colleges offer courses or continuing educationon networking topics. You may also want to enroll at a computer training center. These train-ing centers can be found in every ... area and in many small towns. If you are pur-suing certification, be certain the training center you choose is authorized to provide trainingfor that certification. Most computer training centers ... covered in depth later in the book. For now, it is enoughto be aware of the variety of services and the importance of this growing area of networking.Becoming a Networking ProfessionalExamine...
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Network+ 2005 In Depth (P3) pptx

Network+ 2005 In Depth (P3) pptx

... Youwill use this information when installing network operating systems, configuring servers andclient workstations, installing NICs, troubleshooting network problems, and purchasing net-work equipment.IEEE ... Engineers)—An international society com-posed of engineering professionals. Its goals are to promote development and education in theelectrical engineering and computer science fields.IETF (Internet ... for IP addressing and domain name manage-ment. Technically speaking, however, IANA continues to perform the system administration.Individuals and businesses do not typically obtain IP addresses...
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Network+ 2005 In Depth (P4) ppt

Network+ 2005 In Depth (P4) ppt

... new infrastructure versus reusing existing infrastructure—Can you use existingwiring? In some cases, for example, installing all new Category 7 UTP wiring maynot pay off if you can use existing ... affecting productivity—If you save money by reusingexisting slower lines, are you incurring costs by reducing productivity? In other words,are you making staff wait longer to save and print reports ... or printer. Every networking medium requires a specific kind ofconnector. The type of connectors you use will affect the cost of installing and maintaining thenetwork, the ease of adding new...
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Network+ 2005 In Depth (P5) potx

Network+ 2005 In Depth (P5) potx

... divided into a few cubicles. In general, stations mustremain within 300 feet of an access point to maintain optimal transmission speeds. In addition to connecting multiple nodes within a LAN, ... explains how to installthis type of cabling from the server to the desktop.Installing CableSo far, you have read about the variety of cables used in networking and the limitations inher-ent in ... along a single direction. This type of antenna isused when the source needs to communicate with one destination, as in a point-to-point link.A satellite downlink (for example, the kind used...
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Network+ 2005 In Depth (P6) pot

Network+ 2005 In Depth (P6) pot

... transmission occurs on a point-to-point basis, multi-casting is a point-to-multipoint method. Multicasting can be used for teleconferencing orvideoconferencing over the Internet, for example. Routers ... continuous waves, resulting in an inexacttransmission.122 Chapter 3TRANSMISSION BASICS AND NETWORKING MEDIASuppose the segment in Figure 4-2 was sent from Computer B to Computer A. Begin inter-preting ... number in other words, attempting to contact yourown machine—is known as a loopback test. (In fact, when you transmit to any IP addressbeginning with the “127” octet you are communicating with...
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Network+ 2005 In Depth (P7) pps

Network+ 2005 In Depth (P7) pps

... the TCP/IP host name.TIPWINS (Windows Internet Naming Service)WINS (Windows Internet Naming Service) provides a means of resolving NetBIOS namesto IP addresses. WINS is used exclusively with ... running correctly. Next, you might try pinging yourneighbor’s machine. If you receive a positive response, you know that your network connectionis working. You should then try pinging a machine ... workstation.Binding Protocols on aWindows XP WorkstationThe protocols you install will depend on which operating system you are running. This sectiondescribes how to bind a protocol suite on a Windows...
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Network+ 2005 In Depth (P8) pps

Network+ 2005 In Depth (P8) pps

... blinking, this LED indicates that the NIC is either transmitting or receiv-ing data (in other words, experiencing activity) on the network. If steady, it indicatesthat the NIC is experiencing ... chapter.Physically installing a PCMCIA-standard NIC is much easier than installing an expansioncard NIC. In general, you can simply turn off the machine, insert the card into the PCMCIAslot, as shown in Figure ... documentation carefully before installing the relevant drivers,and make sure you are installing the appropriate drivers. Installing a device driver designed forWindows 95 on a Windows XP computer, for...
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Network+ 2005 In Depth (P9) pdf

Network+ 2005 In Depth (P9) pdf

... networks within networks, by grouping a number of ports into abroadcast domain. A broadcast domain is a combination of ports that make up a Layer 2 seg-ment. Ports in a broadcast domain rely on ... them. In contrast to a collision domain, ports in the same broadcast domaindo not share a single channel. (Recall that switches separate collision domains.) In the contextof TCP/IP networking, ... setup depicted in Figure 5-24, if a workstation in workgroup A wants to print to theprinter in workgroup B, it creates a transmission containing the address of the workgroup Bprinter. Then it...
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Network+ 2005 In Depth (P10) doc

Network+ 2005 In Depth (P10) doc

... TokenRing network by connecting multiple MAUs through their Ring In and Ring Out ports, asshown in Figure 6-14. Unused ports on a MAU, including Ring In and Ring Out ports, haveself-shorting ... switching: circuit switching, messageswitching, and packet switching.Circuit Switching In circuit switching, a connection is established between two network nodes before they begintransmitting ... three data transmission rates. In the star-ring hybrid topology, the MAU completesthe ring internally with Ring In and Ring Out ports at either end of the unit. In addition,MAUs typically provide...
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Network+ 2005 In Depth (P11) doc

Network+ 2005 In Depth (P11) doc

... LANs and WANs and describes in detail WAN transmission media and methods. It also notes the potential pitfalls in establish-ing and maintaining WANs. In addition, it introduces you to remote connectivity ... are invalid. After waiting, the NIC determines if the line is again available; if it is avail-able, the NIC retransmits its data.daisy chain—A group of connectivity devices linked together in ... networks. In CSMA/CD, each node waitsits turn before transmitting data, to avoid interfering with other nodes’ transmissions. If a node’sNIC determines that its data has been involved in a collision,...
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Network+ 2005 In Depth (P16) pps

Network+ 2005 In Depth (P16) pps

... operating systems, a successful Fedora Core instal-lation begins with planning.Planning a Linux Installation In the preceding chapter, you learned about the importance of thorough planning in ... following example of installing Linux uses apopular, free version of Linux called Fedora Core.Installing LinuxThis section describes the prerequisites for and the process of installing Fedora ... equivalent to using wildcards in Windows andDOS.a. Pipeliningb. File globbingc. Mountingd. Piping5. Every UNIX-type system contains full documentation of UNIX commands in the_________________________.a....
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Network+ 2005 In Depth (P20) ppsx

Network+ 2005 In Depth (P20) ppsx

... implementation in which more than one component is installed and ready to use for storing, processing,or transporting data. Redundancy is intended to eliminate single points of failure. Tomaintain high ... users may incorrectly print to a printer in Duluth from the St. Paul office. In a worst-casescenario, a “guest” user account may gain rights to a networked printer, potentially creating asecurity ... will live up to that standard. Testing cablingbefore installing it may save many hours of troubleshooting after the network is in place.For convenience, most continuity testers are portable and...
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Network+ 2005 In Depth (P22) pps

Network+ 2005 In Depth (P22) pps

... engineering, because it involves manipulating socialrelationships to gain access. This and other risks associated with people are included in the follow-ing list:◆ Intruders or attackers using ... social engineering or snooping to obtain user passwords◆ An administrator incorrectly creating or configuring user IDs, groups, and theirassociated rights on a file server, resulting in file ... pro-viding an entry point for an intruder◆ Users or administrators choosing easy-to-guess passwords◆ Authorized staff leaving computer room doors open or unlocked, allowing unautho-rized individuals...
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Network+ 2005 In Depth (P29) pps

Network+ 2005 In Depth (P29) pps

... domains in the same domain tree in whichone domain grants every other domain in the tree access to its resources and, in turn, that domain canaccess other domains’ resources. When a new domain ... 506–507winipcfg utility, 509–510designing TCP/IP-based networks, 482–498calculating subnets, 488–491CIDR (Classless Inter-Domain Routing),491–493ICS (Internet Connection Sharing), 496–497Internet ... 175–176, 186internetworking, network operating systems (NOS),402–403interoperability, 402interrupt request (IRQ), 209–211, 240interviewing users, 671–672intranets, 497definition, 519security...
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