network guide to networks fourth edition

... pertain to client/server networks  Network+ Guide to Networks, 4e CLIENT/SERVER NETWORKS (CONTINUED) Network+ Guide to Networks, 4e Figure 1-2: Resource sharing on a client/server network CLIENT/SERVER NETWORKS ... receiving information to and from every other  computer  Network+ Guide to Networks, 4e PEER TO PEER NETWORKS (CONTINUED) Network+ Guide to Networks, 4e Figure 1-1: Resource sharing on a simple peer -to- peer network5 ... Transmission media  Network+ Guide to Networks, 4e 14 ELEMENTS COMMON TO CLIENT/SERVER NETWORKS (CONTINUED) Network+ Guide to Networks, 4e Figure 1-6: A LAN backbone 15 ELEMENTS COMMON TO CLIENT/SERVER NETWORKS ...

Ngày tải lên: 27/06/2014, 05:20

... Transport layer into smaller packets  26 Network+ Guide to Networks, 4e  NETWORK LAYER (CONTINUED) Network+ Guide to Networks, 4e Figure 2-4: An IP packet 27 DATA LINK LAYER  Protocols divide ... “Project 802”  Effort to standardize physical and logical elements of a network 38 Network+ Guide to Networks, 4e  IEEE NETWORKING SPECIFICATIONS (CONTINUED) Network+ Guide to Networks, 4e Table ... encryption and decryption 15 Network+ Guide to Networks, 4e  SESSION LAYER  Protocols coordinate and maintain communications between two network nodes Network+ Guide to Networks, 4e Establish and...

Ngày tải lên: 27/06/2014, 05:20

... transmission methods, including 802.11, infrared, and  Bluetooth  Network+ Guide to Networks, 4e TRANSMISSION BASICS In data networking, transmit means to issue signals  to the network medium  Transmission refers to either the process of  ... accompany data for a signal to be properly routed and  interpreted Network+ Guide to Networks, 4e DATA MODULATION Figure 3-5: A carrier wave modified through frequency modulation Network+ Guide to Networks, 4e ... frequencies that a medium can transmit  Network+ Guide to Networks, 4e 11 Network+ Guide to Networks, 4e BASEBAND AND BROADBAND  Baseband: digital signals sent through direct current  (DC) pulses applied to a wire Requires exclusive use of wire’s capacity...

Ngày tải lên: 27/06/2014, 05:20

... available to incoming or outgoing data Network+ Guide to Networks, 4e THE TCP/IP CORE PROTOCOLS: TCP (CONTINUED) Figure 4-1: A TCP segment Network+ Guide to Networks, 4e THE TCP/IP CORE PROTOCOLS: ... datagram 12 Network+ Guide to Networks, 4e IP (CONTINUED) Figure 4-6: IP datagram data 13 Network+ Guide to Networks, 4e ICMP (INTERNET CONTROL MESSAGE PROTOCOL)  Network layer protocol that ... on a network  255 reserved for broadcast transmissions  Network+ Guide to Networks, 4e ADDRESSING IN TCP/IP (CONTINUED) Figure 4-8: IP addresses and their classes 19 Network+ Guide to Networks, ...

Ngày tải lên: 27/06/2014, 05:20

... Uplink port: allows connection to another hub or other  connectivity device On Ethernet networks,  can serve as central connection  point of star or star­based hybrid topology On Token Ring networks,  hubs are called Multistation  ... transmission speeds  35 USING SWITCHES TO CREATE  VLANS 36 Virtual LANs (VLANs) logically separate networks within networks  Use switches to group a number of ports into a  broadcast domain   Combination of ports making up a Layer 2 segment ... Prevent certain types of traffic from getting to a network Support simultaneous local and remote connectivity Provide high network fault tolerance through redundant  components Monitor network traffic and report statistics...

Ngày tải lên: 27/06/2014, 05:20

... locations Network+ Guide to Networks, 4e WAN Topologies (continued) Figure 7-2: A bus topology WAN Network+ Guide to Networks, 4e WAN Topologies (continued) Figure 7-3: A ring topology WAN Network+ Guide ... ring Network+ Guide to Networks, 4e 31 SONET (continued) Figure 7-19: SONET connectivity Network+ Guide to Networks, 4e 32 SONET (continued) Table 7-3: SONET OC levels Network+ Guide to Networks, ... 4e WAN Topologies (continued) Figure 7-4: A star topology WAN Network+ Guide to Networks, 4e 10 WAN Topologies (continued) Figure 7-5: Full mesh and partial mesh WANs Network+ Guide to Networks, ...

Ngày tải lên: 27/06/2014, 05:20

... Secure access to a network – Allow remote users to connect to a network – Allow users to connect to other networks – Back up data and make sure it’s always available Network+ Guide to Networks, 4e ... middleware responsible for arbitrating access to files Network+ Guide to Networks, 4e 17 Sharing Printers Figure 8-6: Shared printers on a network Network+ Guide to Networks, 4e 18 Sharing Printers (continued) ... Replication: copying directory data to multiple domain controllers Network+ Guide to Networks, 4e 34 Domains (continued) Figure 8-10: Multiple domains in one organization Network+ Guide to Networks, 4e 35...

Ngày tải lên: 27/06/2014, 05:20

... ID to groups Network+ Guide to Networks, 4e 35 Establishing Groups and User on Mac OS X Server (continued) Figure 9-4: User creation in Mac OS X Server’s Workgroup Manager Network+ Guide to Networks, ... minus sign Network+ Guide to Networks, 4e 38 Changing File Access Permissions on Mac OS X Server • Accomplished through the GUI • Must be logged on as system administrator Network+ Guide to Networks, ... for a Linux server Network+ Guide to Networks, 4e 14 Mac OS X Server Hardware Requirements Table 9-3: Apple hardware recommendations for Mac OS X Server Network+ Guide to Networks, 4e 15 A Closer...

Ngày tải lên: 27/06/2014, 05:20

... other NOS and Internet directories Network+ Guide to Networks, 4e 14 eDirectory (continued) Figure 10-4: eDirectory objects Network+ Guide to Networks, 4e 15 eDirectory (continued) • Schema: defined ... eDirectory tree Network+ Guide to Networks, 4e 19 eDirectory (continued) Figure 10-6 (continued): Ways of grouping objects in an eDirectory tree Network+ Guide to Networks, 4e 20 eDirectory (continued) ... Typeful and typeless contexts Network+ Guide to Networks, 4e 17 eDirectory (continued) Figure 10-5: A simple eDirectory tree Network+ Guide to Networks, 4e 18 eDirectory (continued) Figure 10-6:...

Ngày tải lên: 27/06/2014, 05:20

... • To calculate host’s network ID given IP address and subnet mask, perform ANDing Network+ Guide to Networks, 4e Subnet Masks (continued) Table 11-1: Default subnet masks Network+ Guide to Networks, ... attention to only the network portion of devices’ IP addresses Network+ Guide to Networks, 4e 14 Calculating Subnets (continued) Figure 11-3: A router connecting several subnets Network+ Guide to Networks, ... Block Network+ Guide to Networks, 4e 17 CIDR (continued) Figure 11-4: Subnet mask and supernet mask Figure 11-5: Calculating a host’s network ID on a supernetted network Network+ Guide to Networks, ...

Ngày tải lên: 27/06/2014, 05:20

... certain type of network Network+ Guide to Networks, 4E 33 Tone Generator and Tone Locator (continued) Figure 12-4: Use of a tone generator and tone locator Network+ Guide to Networks, 4E 34 Multimeter ... frequency band to indicate the clearest channels Network+ Guide to Networks, 4E 50 Wireless Network Testers (continued) Figure 12-10: Wireless network testing tool Network+ Guide to Networks, 4E ... available Network+ Guide to Networks, 4E 41 Network Monitors (continued) • Network monitoring tools perform following functions: – – – – Continuously monitor network traffic on segment Capture network...

Ngày tải lên: 27/06/2014, 05:20

... directly with network clients Network+ Guide to Networks, 4e 36 NAS (continued) Figure 13-10: Network attached storage on a LAN Network+ Guide to Networks, 4e 37 SANs (Storage Area Networks) Figure ... profits from network faults Network+ Guide to Networks, 4e 21 Topology and Connectivity (continued) Figure 13-3: VPNs linking multiple customers Network+ Guide to Networks, 4e 22 Topology and ... Networks, 4e 19 Generators Figure 13-2: UPSs and a generator in a network design Network+ Guide to Networks, 4e 20 Topology and Connectivity • Key to fault tolerance in network design is supplying...

Ngày tải lên: 27/06/2014, 05:20

... important way to ensure physical security is to plan for it Network+ Guide to Networks, 4e 18 Physical Security (continued) Figure 14-1: Badge access security system Network+ Guide to Networks, 4e ... accessing resources external to network by caching files Network+ Guide to Networks, 4e 22 Proxy Servers (continued) Figure 14-4: A proxy server used on a WAN Network+ Guide to Networks, 4e 23 Remote ... similar to RADIUS Network+ Guide to Networks, 4e 42 Authentication Protocols: RADIUS and TACACS (continued) Figure 14-8: A RADIUS server providing centralized authentication Network+ Guide to Networks, ...

Ngày tải lên: 27/06/2014, 05:20

... project’s goals Network+ Guide to Networks, 4e 15 Using a Pilot Network • Pilot network: small-scale network that stands in for a larger network – Used to test changes before applying to enterprise ... applications can perform baselining Network+ Guide to Networks, 4e 20 Obtaining Baseline Measurements (continued) Figure 15-4: Baseline of daily network traffic Network+ Guide to Networks, 4e 21 Obtaining ... assignments, completion dates, and so on Network+ Guide to Networks, 4e 10 Project Planning (continued) Figure 15-2: A project plan in Microsoft Project Network+ Guide to Networks, 4e 11 Tasks and Timelines...

Ngày tải lên: 27/06/2014, 05:20

... any topic has never been easier than it is today, so long as you understand the process, and know where to find and how to access such sources The Facts On File Guide to Research, Second Edition ... Decide which tools and references you should use to balance your research and that you plan to explore The tools and strategies you select will guide you to fi nding the research you need to accomplish ... paper assigned by their instructor In most cases, your instructor will assign you a topic to write about, suggest some suitable possibilities or ask you to develop a topic of your choice Your subject...

Ngày tải lên: 24/03/2014, 21:28

... first need to understand its goal: to dramatically simplify enterprise Java web development To take web development to the next level of abstraction To tap into what has been accessible to developers ... Matt Wade, Tom Welsh Project Manager: Kylie Johnston Copy Editors: Nina Goldschlager, Kim Wimpsett Associate Production Director: Kari Brooks-Copony Production Editor: Laura Cheu Compositor: Pat ... The Definitive Guide to Grails Second Edition ■■■ Graeme Rocher and Jeff Brown The Definitive Guide to Grails, Second Edition Copyright © 2009 by Graeme Rocher, Jeff...

Ngày tải lên: 13/08/2014, 08:21

... reference to the action to redirect to controller The name of the controller to redirect to id The id parameter to pass in the redirect params A map of parameters to pass uri A relative URI to redirect ... now going to learn how to set up MySQL with Grails You’re going to configure Grails to use MySQL within the production environment, and to achieve this you need to tell Grails how to communicate ... redirect to url An absolute URL to redirect to As you can see, the redirect method allows you to effectively pass control from one action to the next However, often you simply want to formulate...

Ngày tải lên: 13/08/2014, 08:21

... addition to providing a login box, you need to provide a link that allows a User to register Once logged in, the user will be able to click through the store to browse and click a “My Music” link to ... controller: The controller name to link to • action: The action name to link to • id: The identifier to append to the end of the URI • params: Any parameters to pass as a map One of either the ... Description total Total number of elements in the larger list controller Name of the controller to link to action Name of the action to invoke params Map of request parameters offset Offset to be used...

Ngày tải lên: 13/08/2014, 08:21

... aspects of your application, you are going to want to write automated tests for custom URL mappings to assert that the application does in fact respond to requests in the way you intended Grails ... grails-app/views/store directory Before you attempt to use the tag, you need to tell Grails which Ajax library to use You can this through the tag, which needs to go in the ... currently refers to prototype to this: Now say you want albums to fade in when you click the “Latest Album” links; the first thing to is to make sure albums...

Ngày tải lên: 13/08/2014, 08:21