comptia network study guide authorized courseware pdf

... of the CompTIA Authorized Quality Curriculum Program and the status of this or other training material as Authorized under the CompTIA Authorized Curriculum Program signifies that, in CompTIA s ... about this third edition of our best-selling Network+ Study Guide, as it now sports the new CompTIA Authorized Quality Curriculum (CAQC) logo on the cover CompTIA developed the CAQC program to help ... peer-to-peer network Copyright ©2002 SYBEX, Inc., Alameda, CA www.sybex.com 10 Chapter Network Fundamentals Client/Server Network In contrast to a peer-to-peer network, a client/server network uses a network...

Ngày tải lên: 10/12/2013, 16:15

... Chapte r Network Fundamentals E x am objecti ves in t h is c h apte r What is a Network? Logical Networking Topologies Physical Networking models Network Types 14 24 31 Introduction Networks ... a network technician and to pass the CompTIA Network+ exam We cover network models such as centralized and decentralized, the differences between a local area network (LAN) and a wide area network ... the technical editor for Security+ Study Guide and DVD Training System, (ISBN: 978-1-931836-72-2, Syngress), lead author and technical editor for Network+ Study Guide & Practice Exams: Exam N10-003,...

Ngày tải lên: 04/07/2014, 13:20

... using it Network Monitors and Protocol Analyzers Network monitors and protocol analyzers monitor traffic on the network and display the packets that have been transmitted across the network. €If ... transmitted across the network, the problem may lie with that particular packet type Because the network monitor enables you to view the contents of all packets on the network, in many cases, ... location possible – it is a law of networking that when something breaks, it will be in the worst possible place) Wire Map Tester A wire map tester is generally used on networks that use twisted-pair...

Ngày tải lên: 04/07/2014, 13:20

... Damage and Defense Switching on Networks In terms of devices that provide network connectivity, switches have become the future of networking Today’s computer networks have to support the combination ... travels across the network When data loops endlessly around the network in this way, it eats up the available bandwidth and can affect network performance Not only can computers on the network experience ... business, and now wants you to connect the two networks together Your company’s existing network is twice the size of the new network To get these two networks connected together, which of the following...

Ngày tải lên: 04/07/2014, 13:21

... Model and Networking Protocols E x am objecti ves in t h is c h apte r The OSI Model� The DoD Networking Model� Networking Protocols� 237 257 265 Introduction To prepare for the CompTIA Network ... users of the network will be unable to use the network Flooding the wireless network with transmissions can prevent other devices from utilizing the resources, making the wireless network inaccessible ... Wireless Networking ■■ ■■ ■■ ■■ ■■ ■■ Many wireless networks that use the same frequency within a small space can easily cause network disruptions and even denial of service (DoS) for valid network...

Ngày tải lên: 04/07/2014, 13:21

... applications in its network, but is not connecting its network to the global Internet, the IP addresses used not have to be globally unique A network of this type is called a private network, and the ... it for the Network+ exam NAT will be covered later in this chapter Renumbering If using NAT, no readdressing of privately addressed networks is necessary to access public networks Networks Treating ... organization Only networks that interface with public networks such as the Internet need public addresses Using public addresses on the outside and private addresses for inside networks is very...

Ngày tải lên: 04/07/2014, 13:21

... new routers or network links are added to a network, is a routing loop, which occurs in this fashion: A source computer on Network A is trying to reach a destination computer on Network C The ... similar to the tasks given to the network layer within the OSI model Protocols that exist at the network later are responsible for finding a path through a network to the destination computer ... on the network number of the destination address Every computer has a table of network numbers, known as a routing table If there is an entry in the routing table for the destination network...

Ngày tải lên: 04/07/2014, 13:21

... change Q: What types of networks are most likely to use OSPF instead of RIP? A: Large enterprise networks and very large internetworks, such as corporate campuses and global networks Microsoft documentation ... with the physical cabling and network devices that connect you to the network Â� Troubleshooting often begins at the physical layer, where you need to determine if your network cards, hubs, and cabling ... possibility of loops on a switched or bridged network Â� Troubleshooting the Network Layer ■■ ■■ ■■ A great deal of your troubleshooting time will be spent at the network layer, as this actually controls...

Ngày tải lên: 04/07/2014, 13:21

... Computer Network local -network protocols RFC894 Standard for the transmission of IP datagrams over Ethernet networks RFC895 Standard for the transmission of IP datagrams over experimental Ethernet networks ... the network from interfering with one another when trying to transmit; if they do, a collision occurs To reduce collisions, CSMA/CD devices listen to the network before transmitting If the network ... onto the network This ensures that workstations will not simultaneously communicate on the network, as in the CSMA/CD method 802.11 Wireless The IEEE 802.11 standard addresses wireless networking...

Ngày tải lên: 04/07/2014, 13:21

... dissimilar networks so that both are able to communicate For example, if your Ethernet network is to be connected to a Token Ring network, you will need to have a gateway so that hosts in the two networks ... a legitimate solution 11 As a network technician, you are asked to deploy a network load balancer You need to configure a network load balancer on the 10.0.10.0/8 network for the Web development ... administrator of a small business network You notice that as you add workstations to the network over time the speed of the network decreases, what devices would you replace in your network with what other...

Ngày tải lên: 04/07/2014, 13:21

... Load balancing, cache engines, technical network diagrams, and building schematics are not part of configuration management documentation Chapter 11: Network Troubleshooting Tools Which of the ... network to the specified destination Incorrect answers and explanations: A, C, and E.╇ Answer A is incorrect, because ping will test connectivity between clients, but will not display the network ... perform DNS queries and is used to troubleshoot from Windows-based systems You are the network administrator for a network that employs a Windows 2003 server and 30 Windows XP Professional � � workstations...

Ngày tải lên: 04/07/2014, 13:21

... the network are not having connectivity problems and since Computer8 cannot ping any other hosts, even on the local segment, it is possible that the network cable attaching Computer8 to the network ... users on the network are reporting outages Based on this diagram, what is most likely causing this connectivity issue? A The B The C The D The network cable attaching Computer5 to the network 192.168.1.1 ... filtering will only allow machines that have had their MAC addresses added to authorized lists to connect to the network Answer€ C is correct, because by configuring WEP or WPA encryption machines...

Ngày tải lên: 04/07/2014, 13:21

... video card Network Interface Card (NIC) A network interface card (NIC) is an expansion card that connects a computer to a network so that it can communicate with other computers on that network ... example, you can install a PCI network card only into a PCI expansion slot) Five of the most common expansion cards that are installed today are as follows: Video card Network interface card (NIC) ... stream of packets used on the network It has a connector for the type of expansion bus on the motherboard (PCIe, PCI, ISA, and so on) as well as a connector for the type of network (such as RJ-45 for...

Ngày tải lên: 10/08/2014, 12:21

... result in denying authorized users access to network resources, a DoS attack is specifically intended to prevent access to network resources by overwhelming or flooding a service or network 12 B A ... dial-up lines) or to a wide area network (which connects users on several different networks spread over a wide geographic area) network interface card (NIC) In networking, the PC expansion board ... computer or server and works with the network operating system to control the flow of information over the network The network interface card is connected to the network cabling (twisted-pair, coaxial,...

Ngày tải lên: 14/08/2014, 20:20

... Linux’s operation Chapter 5, “Networking,” covers how to use Linux on a network This chapter includes an overview of what a network is, including the popular TCP/IP networking tools upon which ... few examples: Network connections In many offices, networking is critically important, so a Linux system must be able to work on the local network If your office uses a Token Ring network, for ... kernel—2.2.18 or 2.4.0 or later Network devices In most business settings, network hardware consists of an Ethernet card or a card for a similar type of computer network Such networks link several computers...

Ngày tải lên: 16/08/2013, 16:24

... this Study Guide One is the DVD included in the back of this book.The other is the practice exam available from our Web site ■ Training DVD-ROM A complete Adobe PDF format version of the print Study ... Common Exploits of Wireless Networks 193 Passive Attacks on Wireless Networks 193 Active Attacks on Wireless Networks ... 221 Spoofing (Interception) and Unauthorized Access 221 Protecting Against Spoofing and Unauthorized Attacks 223 Network Hijacking and Modification...

Ngày tải lên: 25/03/2014, 11:10

... how they would be pronounced EXERCISE 87 AIM: To understand dictionary entries on combining forms Study the entries below for first elements and suffixes First elements caco- comb form with stress-neutral...

Ngày tải lên: 07/07/2014, 22:20

... database with sample schemas if they were chosen, start your database, and allow you to configure the network components of your database such as the Oracle Net listener We will discuss the listener ... but does not contain any data The database that you are copying from can reside anywhere in your network From An Existing Database (Structure As Well As Data) Creates a new template based on the ... Database As a DBA, you are responsible for startup and shutdown of the Oracle instance Oracle gives authorized administrators the ability to perform this task using a variety of interfaces It is important...

Ngày tải lên: 07/08/2014, 11:22

... that is described in this white paper on the Oracle Technology Network: http://otn.oracle.com/ deploy/availability /pdf/ OOW2000_same_ppt .pdf Figure 9.4 also shows that a large portion of our I/O problems ... %ORACLE_HOME%\rdbms\admin on Windows systems See Chapter of Oracle Database Performance Tuning Guide 10 g Release (10.1), Part Number B10752-01, for details on how to use this script The results ... shown in Figure 9.41, you’ll need to supply three pieces of information: The IP address of your network s SMTP mail server The name of the user from whom the e-mail address will be sent The e-mail...

Ngày tải lên: 07/08/2014, 11:22

... (GUI) management Non-MAPI top-level hierarchies in a public folder store Public folder access using Network News Transfer Protocol (NNTP) Public folder access using IMAP4 Public folder access via ... to run this service or migrate from GroupWise to Exchange Server 2007 Novell GroupWise Connector Network News Transfer Protocol (NNTP) Inter-Forest Migration One consideration when migrating to ... earlier in this chapter, the following Windows components are required for the Mailbox server role: Network COM+ access Internet Information Services World Wide Web service The following components...

Ngày tải lên: 09/08/2014, 07:20