comptia network 2009 in depth

Network+ 2005 In Depth (P1) pot

Ngày tải lên : 07/07/2014, 09:20

... standards in the networking industry, including those that oversee wiring codes, network access methods, and Internet addressing. It also discusses, in depth, the OSI Model, which is the industry ... accessing networks from remote locations, including dial-up networking and VPNs (virtual private networks). Chapter 8, Network Operating Systems and Windows Server 2003-Based Networking,” covers ... 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 skilled workers in...

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Network+ 2005 In Depth (P2) pps

Ngày tải lên : 07/07/2014, 09:20

... protocols, topologies, networking hardware, and network troubleshooting. network interface card—See NIC. network operating system—See NOS. network services—The functions provided by a network. NIC (network interface ... operating systems are Microsoft Windows NT, Windows 2000 Server, and Windows Server 2003, UNIX, Linux, and Novell NetWare. P2P network See peer-to-peer network. peer-to-peer network A network in ... a lucrative and interesting job in networking. To prepare yourself to enter this job mar- 16 Chapter 1 AN INTRODUCTION TO NETWORKING to the network, and take advantage of the network just as...

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Network+ 2005 In Depth (P3) pptx

Ngày tải lên : 07/07/2014, 09:20

... You will use this information when installing network operating systems, configuring servers and client workstations, installing NICs, troubleshooting network problems, and purchasing network equipment. IEEE ... used in token-passing networks like Advisory Group FDDI 802.9 Integrated Voice/ Integration of voice and data traffic over a single network Data Networks medium 802.10 Network Security Network ... equipment. IEEE Networking Specifications In addition to frame types and addressing, IEEE networking specifications apply to connectivity, networking media, error checking algorithms, encryption, emerging...

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Network+ 2005 In Depth (P4) ppt

Ngày tải lên : 07/07/2014, 09:20

... new infrastructure versus reusing existing infrastructure—Can you use existing wiring? In some cases, for example, installing all new Category 7 UTP wiring may not pay off if you can use existing ... affecting productivity—If you save money by reusing existing slower lines, are you incurring costs by reducing productivity? In other words, are you making staff wait longer to save and print reports ... affect the cost of installing and maintaining the network, the ease of adding new segments or nodes to the network, and the technical exper- tise required to maintain the network. The connectors...

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Network+ 2005 In Depth (P5) potx

Ngày tải lên : 07/07/2014, 09:20

... explains how to install this type of cabling from the server to the desktop. Installing Cable So far, you have read about the variety of cables used in networking and the limitations inher- ent in ... divided into a few cubicles. In general, stations must remain within 300 feet of an access point to maintain optimal transmission speeds. In addition to connecting multiple nodes within a LAN, ... cables were improperly installed. This section outlines the most common method of installing UTP cable and points out cabling mistakes that can lead to network instability. In the previous section,...

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Network+ 2005 In Depth (P6) pot

Ngày tải lên : 07/07/2014, 09:20

... transmission occurs on a point-to-point basis, multicasting is a point-to-multipoint method. Multicasting can be used for teleconferencing or videoconferencing over the Internet, for example. Routers ... nearby wire pairs infringing on another pair’s signal. demarcation point (demarc)—The point of division between a telecommunications service carrier’s network and a building’s internal network. demultiplexer ... continuous waves, resulting in an inexact transmission. 122 Chapter 3 TRANSMISSION BASICS AND NETWORKING MEDIA Suppose the segment in Figure 4-2 was sent from Computer B to Computer A. Begin inter- preting...

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Network+ 2005 In Depth (P7) pps

Ngày tải lên : 07/07/2014, 09:20

... the TCP/IP host name. TIP WINS (Windows Internet Naming Service) WINS (Windows Internet Naming Service) provides a means of resolving NetBIOS names to IP addresses. WINS is used exclusively with ... running correctly. Next, you might try pinging your neighbor’s machine. If you receive a positive response, you know that your network connection is working. You should then try pinging a machine ... IP address indicates its network class. The answer lies with subnetting, a process of subdi- viding a single class of network into multiple, smaller logical networks, or segments. Network managers...

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Network+ 2005 In Depth (P8) pps

Ngày tải lên : 07/07/2014, 09:20

... blinking, this LED indicates that the NIC is either transmitting or receiving data (in other words, experiencing activity) on the network. If steady, it indicates that the NIC is experiencing ... a 10BASE-T network) . ◆ TX—If blinking, this LED indicates that the NIC is functional and transmitting frames to the network. ◆ RX—If blinking, this LED indicates that the NIC is functional and receiving ... chapter. Physically installing a PCMCIA-standard NIC is much easier than installing an expansion card NIC. In general, you can simply turn off the machine, insert the card into the PCMCIA slot, as shown in Figure...

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Network+ 2005 In Depth (P9) pdf

Ngày tải lên : 07/07/2014, 09:20

... are finding niches in specialized applications such as linking large Internet nodes or completing digitized telephone calls. The concept of routing, and everything described in the remainder ... them. In contrast to a collision domain, ports in the same broadcast domain do not share a single channel. (Recall that switches separate collision domains.) In the context of TCP/IP networking, ... routing loops from continuing indefinitely by limiting the number of hops a packet can take between its source and its destination to 15. If the number of hops in a path exceeds 15, the network...

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Network+ 2005 In Depth (P10) doc

Ngày tải lên : 07/07/2014, 09:20

... for token passing. Specifically, the active monitor maintains the timing for ring passing, monitors Chapter 6 265 TOKEN RING NET+ 1.2 Backbone Networks A network backbone is the cabling that connects ... single cable in a daisy-chain fashion. In networking, a daisy chain is simply a linked series of devices. Hubs and switches are often connected in a daisy chain to extend a network. For example, suppose ... therefore, inefficient. Also, running more than one frame type on the same network can result in inefficiencies, because it requires devices to examine each incoming frame to determine its type....

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Network+ 2005 In Depth (P11) doc

Ngày tải lên : 07/07/2014, 09:20

... the network in a round-robin fashion. type 1 IBM connector—A type of Token Ring connector that uses interlocking tabs that snap into an identical connector when one is flipped upside-down, making ... transporting Token Ring or Ethernet frames over ATM networks. LANE encapsulates incoming Ethernet or Token Ring frames, then converts them into ATM cells for transmission over an ATM network. logical ... 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...

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Network+ 2005 In Depth (P12) potx

Ngày tải lên : 07/07/2014, 09:20

... dedicated lines. ISDN ISDN (Integrated Services Digital Network) is an international standard, originally estab- lished by the ITU in 1984, for transmitting digital data over the PSTN. In North ... protocols PPP and SLIP. Dial-up Networking Dial-up networking refers to dialing directly into a private network s or ISP’s remote access server to log on to a network. Dial-up clients can use ... conform to a timing scheme. A clock maintains time for all nodes on a network. A receiving node in synchronous communications recognizes that it should be receiving data by looking at the time...

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Network+ 2005 In Depth (P13) doc

Ngày tải lên : 07/07/2014, 09:20

... for Network+ certification, you must understand the inner work- ings of network operating systems in general. In addition, you must be familiar with the major network operating systems: Windows ... PVC. plain old telephone service (POTS)—See PSTN. Point-to-Point Protocol—See PPP. Point-to-Point Protocol over Ethernet—See PPPoE. Point-to-Point Tunneling Protocol—See PPTP. POTS—See PSTN. PPP (Point-to-Point ... would be to use terminal services, as described in the following section. Terminal Services A popular method for gaining remote access to LANs is by using terminal services. In terminal services,...

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Network+ 2005 In Depth (P14) ppt

Ngày tải lên : 07/07/2014, 09:20

... following colleges: Life Sciences, Humanities, Communications, and Engineering. Within the Engineering domain, additional domains such as “Chemical Engineering,” “Indus- trial Engineering,” “Electrical ... process of installing, maintaining, or optimizing Windows Server 2003 networks. For this in- depth knowledge (and par- ticularly if you plan to pursue MCSE certification), you should invest in books ... Engineering,” and “Mechanical Engineering” may be created, as shown in Figure 8-10. In this example, all users, workstations, servers, printers, and other resources within the Engineering domain...

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Network+ 2005 In Depth (P15) pot

Ngày tải lên : 07/07/2014, 09:20

... learn about installing the NOS. Planning for Installation When installing and configuring an NOS, you must create a plan for your server and its place in your network before you insert the installation ... that in case one of the domain controllers fails, clients can still log on to the network, be authenticated, and access resources. root domain In Windows Server 2003 networking, the single domain ... resources within a single domain also. However, a global group usually contains user accounts and can be inserted (or nested) into a domain local group to gain access to resources in other domains. A...