C H A P T E R 8 Chapter Goals • • • • Provide background information about FDDI technology. Explain how FDDI works. Describe the differences between FDDI and Copper Distributed Data Interface (CDDI). Describe how CDDI works. Fiber Distributed Data Interface Introduction The Fiber Distributed Data Interface (FDDI) specifies a 100-Mbps token-passing‚ dual-ring LAN using fiber-optic cable. FDDI is frequently used as high-speed backbone technology because of its support for high bandwidth and greater
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• Question 1 5 out of 5 points Which of the following files is edited to block a search engine’s bots from indexing an organizational Web site? Selected Answer: robots.txt Answers: lmhosts.txt robots.txt host.txt index.txt • Question 2 5 out of 5 points Web resources used to footprint a company include all but which one of the following? Selected Answer: Request for Comments (RFC) archive Answers: Internet archive SEC EDGAR Company Web site Request for Comments
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PComputer network A computer network is simply two or more computers connected together so they can exchange information. A small network can be as simple as two computers linked together by a single cable. This course introduces you to the hardware and software needed for a network‚ and explains how a small network is different from larger networks and the Internet. Most networks use hubs to connect computers together. A large network may connect thousands of computers and other devices together
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S.P.B.Patel engineering College‚ CE\IT Department Saffrony Institute of Technology‚ Campus $ # $ " 4 ! 3 2 1 ¦ 0 ¤ ¢ ) ¦ ¢ ¤ ¡ § ( © ¨ ’ § ¦ ¦ ¥ & ¤ £ % ¢ ¡ ¡ 1 Which of the OSI layers handles each of the following : -Determine which route through the subnet to use. -Dividing the transmitted bit stream into frames. -Encryption and compression of the information. -Flow control between source and destination node. Classify various transmission media for computer
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Q1. Compare between LAN‚ MAN and WAN? A LAN (local area network) is a group of computers and network devices connected together‚ usually within the same building. By definition‚ the connections must be high speed and relatively inexpensive (e.g.‚ token ring or Ethernet). Most Indiana University Bloomington departments are on LANs. A LAN connection is a high-speed connection to a LAN. On the IUB campus‚ most connections are either Ethernet (10 Mbps) or Fast Ethernet (100 Mbps)‚ and a few locations
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-How available is your network? Can it go down? If it goes down do you have a redundancy in place? Network designs -Bus (used thin net) -Star (switch in the middle‚ all devices connect to the switch) -Ring (token ring) OSI Model -Layer 1-4 are the only layers of the OSI model that are concerned in Cisco -Layer 5-7 are handled by the OS; Windows‚ Linux‚ etc. -Application: interfaces with the application and provides network access to the application -Presentation: generifies the data (HTML)
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stream onto an RF signal using the configured modulation technique. Access point Connects multiple to wireless clients or stations to a wired LAN. Wireless router Connects to separated‚ isolated wired networks together. 3. At which layer of the OSI model do wireless access points operate? a. Physical b. data link c. network d. application 4. Which two steps are required for a wireless client to associate with an access point? e. IP addressing f. wireless
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concern for its patients. Patton-Fuller Community Hospital has an great quantity of technology and can be divided into many different areas providing an in-depth review of the advancements and shortfalls of organization. Understanding the OSI model is important to getting the proper IT system job done‚ so knowing how to fit these elements together to form working system is what will be explained. The networking department has the challenge of breaking down the current infrastructure to ensure
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is clinical functions. - All nodes attached to the administrative function segment is physically connected by CAT 6 cable and transmitting 1000 Base T. - All nodes attached to the clinical function segment is physically connected by single mode fiber cable and transmitting 1000 Base F. - The two network segments are connected by a network bridge. - Workstations on the administrative function segment use a DHCP Server to obtain IP address. The network black/white and color laser printers
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belong to? a) ICMP _______________________ b) TCP _______________________ c) UDP _______________________ (1 Mark) (1 Mark) (1 Mark) 2. For terminal applications‚ an OSI user will use virtual terminal whereas an Internet user will use Telnet. For network management‚ what will the OSI user use and the Internet user? OSI user – ________________________ (1 Mark) Internet user – ________________________ (1 Mark) 3. There are six different types of network problems. Give two
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