comptia network 2009 in depth pdf

... decisions youmust make when installing and initially configuring your NetWare 6.5 server instal-The Installation Process After thoroughly planning your installation and obtaining the NetWare 6.5 software ... copied to) multiple servers infor-on a network This means that if the infor-one server cinfor-ontaining eDirectory data fails, clients canstill log on to the network and obtain access to resources ... “Packing,” “Shipping,” mation Services,” “Accounting,” and so on On the other hand, if Sutkin Manufacturing is asmall company with only a handful of users and other resources in the Maintenance, Inven-tory,

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... file Print fileusing the default printer.lpractually places filein the printer queue The file is actually printed by lpd (line printer mon), the UNIX printer service. dae-grep "string" ... Windows already installed, so it is usually necessary to install Linuxfrom CD or DVD As with other network operating systems, a successful Fedora Core instal-lation begins with planning Planning ... After gathering the information described in this section, you’re ready to begin Installing and Configuring Fedora Core Although you can install Fedora Core over the network, this installation

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... The following section explains how network and host information in an IPaddress can be manipulated to subdivide networks into smaller segments Trang 2Subnetting separates a network into multiple ... number of network operating systems Because of the increasing popularity of the net, having TCP/IP expertise can pave the way to a lucrative, challenging, and rewarding career Inter-In Chapter ... of networkand host information In classful addressing, the network information portion of an IP address (thenetwork ID) is limited to the first 8 bits in a Class A address, the first 16 bits in

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... wireless networking engineer working on a small metropolitan area network His spread-spectrum RF network links, which... in CompTIA’s Network+ exam objectives Bear in mind that experience in ... computers on the same network. 518 Chapter 11 IN-DEPTH TCP/IP NETWORKING ICS host—On a network using the Microsoft Internet Connection Sharing service, the com- puter whose Internet connection ... 1 results in a 1. A bit with a value of 0 plus any other bit results in a 0. CIDR (Classless Inter-domain Routing)—An IP addressing and subnetting method in which network and host information

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... 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 hole in ... wire, incorrect pairing, or a termination point In other words, changes inimpedance can indicate where current is stopped or inhibited Although you could use separate instruments for measuring ... Changing the network properties of a network device (for example, changing the IPaddress or host name of a server) ◆ Increasing or decreasing rights for a group of users ◆ Physically moving networked

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... policy is to refrain from running any program whose origins you cannot verify Fault Tolerance Besides guarding against viruses, another key factor in maintaining the availability and integrity of ... be appointed to focus on maintaining the antivirus measures.This team would be responsible for choosing antivirus software, keeping the softwareupdated, educating users, and responding in case ... suppression to protect against surges and line conditioning, or filtering, to guard against line noise Line ers and UPS units include special noise filters that remove line noise The manufac-turer’s

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... people are included in the following list: ◆ Intruders or attackers using social engineering or snooping to obtain user passwords ◆ An administrator incorrectly creating or configuring user IDs, ... compared to the weeks a cold site might require. Maintaining a warm site costs more than maintaining a cold site, but not as much as maintaining a hot site. A hot site is a place where the computers, ... providing information while browsing the Web Some sites will capture that information to use when attempting to break into systems Bear in mind that hackers are creative and typically revel in

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... an intermediary between the external and internal networks, screening all incoming and outgoing traffic and providing one address to the outside world, instead of revealing the addresses of internal ... [...]... because it involves manipulating social relationships to gain access Security risks that a network administrator must guard against include: incorrectly configuring user accounts or ... known as war driving (The term is derived from the term “war dialing,” which is a similar tactic involving modems.) War driving is surprisingly effective for obtaining private information Recently,

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... resolution In that case, the initiation phase would include deter-mining whether the project is feasible, assessing needs, and determining which staff will beinvolved Identifying goals and answering ... baselining to assess a network’s health ■ Plan and follow regular hardware and software maintenance routines ■ Describe the steps involved in upgrading network software and hardware Trang 7In this ... clarifying the reasons and objectives under-lying a proposed change It involves interviewing users and comparing perceptions to factualdata It probably also involves analyzing network baseline

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... larger network’s hardware, software, connectivity, unique configurations, and load. ◆ Network management involves assessing, monitoring, and maintaining network devices and connections. ◆ Baselining ... learning from prior mistakes Contingency planning b Testing and evaluation c Communication d Setting timelines a 5 _ involves identifying and tracking the hardware and software on your network ... following network protocols in terms of routing, addressing schemes, interoperability and naming conventions:... goal within given bounds 703 This page intentionally left blank Appendix A Network+

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... e. Nothing; in Windows XP the DHCP option is selected by default and theclient will obtain IP addressing information upon connecting to the network 61. You are a support technician installing a ... Windows 98,Windows 2000, and Windows XP workstations You are asked to help a user in the Accounting Department who can retrieve files from thenetwork, but suddenly can’t print to the same printer ... you were attempting the traceroute test.e. Microsoft’s network is bounded by firewalls that do not accept incoming ICMPtraffic 22. What is the network ID for a network that contains the group of

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... create continuous waves, resulting in an inexact transmis-sion ANDing—A logical process of combining bits In ANDing, a bit with a value of 1 plus another bit with a value of 1 results in a 1 A ... addressing—The scheme for assigning a unique identifying number to every workstation and device on the network The type of addressing used on a network depends on its protocols and network operatingsystem ... hardware assets in an organization’s network The data collection is automated by electronically ing each network client from a server examin-association—In the context of wireless networking, the communication

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... same network ICS host—On a network using the Microsoft Internet Connection Sharing service, the computer whose Internet connection other computers share The ICS host must contain two network interfaces: ... transmit line to the receive line, allowing outgoing signals to beredirected back into the computer for testing loopback test—An attempt to contact one’s own machine for troubleshooting purposes In ... services—The network services that manage the storage and transfer of e-mail between users on a network In addition to sending, receiving, and storing mail, mail services can include filtering, routing,notification,

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... 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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... standards 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 ... accessing networks from remote locations, including dial-up network- ing 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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... 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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... You will use this information when installing network operating systems, configuring servers and client workstations, installing NICs, troubleshooting network problems, and purchasing net- work 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 connec- tivity, networking media, error checking algorithms, encryption, emerging...

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... 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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... 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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... transmission occurs on a point-to-point basis, multi- casting 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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