Information Systems Test 3a

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randycapped
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246458
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Information Systems Test 3a
Updated:
2013-11-24 05:24:34
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Networks
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Networks
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  1. Networks are an interconnection of computers and other communication devices that allow multiple users to SHARE:
    • Hardware
    • Data
    • Communications
    • Software
  2. The 3 parts of the NETWORK SYSTEM ARCHITECTURE:
    • Teleprocessing
    • Distributed
    • Hybrid
  3. ____________ is when a "centralized computer" is connected to dumb terminals via direct lines and/or through telephone lines.
    Teleprocessing
  4. With TELEPROCESSING,the computer is normally a ___________.
    mainframe
  5. _________ is capable of processing very large business applications efficiently.
    Teleprocessing
  6. Large and medium sized companies relied on ______________ in the 80s and many still do today.
    teleprocessing
  7. A teleprocessing network's operating system is ______ ______  so it can execute multiple ____________ at the same time.
    • multi tasking
    • programs
  8. In a teleprocessing network , the computer is referred to as the _________.
    Host
  9. The 4 types of a DISTRIBUTED network are:
    • LAN
    • MAN
    • WAN
    • HAN
  10. In a DISTRIBUTED network, different computers can specialize in different _________.
    functionality (like graphics, etc.)
  11. A _____________ network is when independent computers are connected to each other (mainly microcomputers and workstations).
    Distributed
  12. In a ___________ network, each computer can perform all of it's own tasks or have other computers perform some specialized tasks.
    Distributed
  13. Computers must be within a few thousand feet in a ________ network.
    LAN (Local Area Network)
  14. A __________ is a network that covers a city or suburb.
    MAN (Metropolitan Area Network)
  15. A ________ is a network that covers a large geographical area. Can be made up of several LAN and MAN networks.
    WAN (Wide Area Network)
  16. A _________ network architecture uses both teleprocessing and distributed. And has the advantages of both.
    hybrid
  17. The two major types of DISTRIBUTED NETWORKS are:
    • Client/Server
    • Peer To Peer
  18. Name the 4 configurations of LAN topology:
    • Star
    • Ring
    • Bus
    • FDDI (Fiber Distributed Data Interface)
  19. Any device on a network that is not a server is called a _________.
    node
  20. A  _________ is a computer that serves the needs of the network only.
    server
  21. A ________ is a device (normally a computer) that connects nodes on a network and is half-duplex.
    HUB
  22. A ________ is a device (normally a computer) that connects nodes on a network and is full-duplex.
    switch
  23. A ______ forwards data it receives to all other nodes.
    HUB
  24. __________ are a set of communications conventions that are built into the hardware and software (NOS) that govern the exchange of data between computers in a network.
    Protocols.
  25. A _________ is a circuit board that connects to the mother board in each computer which connects it to the network.
    NIC (Network Interface Card)
  26. 4 examples of a server are:
    • File Server
    • Print Server
    • Mail Server
    • Database Server
  27. ________ duplex devices, such as a _____, can't receive and send at the same time.
    • Half
    • hub
  28. ________ duplex devices, such as a _______, can send and receive at the same time.
    • Full
    • switch
  29. A _________ is a computer that connects two LAN Networks with the SAME topology (configuration).
    bridge
  30. A _________ is a computer that connects two LAN Networks with a DIFFERENT topology (configuration).
    gateway
  31. A _________ is a computer that directs communications when several networks are connected together.
    router
  32. A switch forwards data only to the ________ that are ________.
    • nodes
    • specified
  33. In ________ topology, the overall speed of the network is dependent on the processing speed of the HUB.
    STAR
  34. In __________ topology the central computer (HUB) operates as a clearing house for all the sharing of data and communications.
    STAR
  35. In _______ topology, each user has its own computer to do their independent processing.
    STAR
  36. In _______ topology if the central computer is down, then the network is down.
    STAR
  37. In _______ topology, communications and data are passed through one computer at a time in a circular manner.
    ring
  38. In ________ topology, if the connection is broken, then the whole network is down.
    ring
  39. Ring topology can be _______/_______ or ______ to _______.
    • client server
    • peer peer
  40. _______ topology is the most reliable of all the LAN topologies.
    FDDI (Fiber Distributed Data Interface)
  41. In _________ toplogy, computers share communication and data by sharing the same communication lines.
    bus
  42. In __________ topology, more communications or data may be on the line so faster line speeds are required.
    bus
  43. Bus topology can ________/________ or ______ to ______.
    • client server
    • peer peer
  44. The FDDI uses ______ ______ _______ with adaptation of ring topology.
    fiber optic cable
  45. ________ is the fastest, most reliable and most expensive LAN.
    FDDI (Fiber Distributed Data Interface)
  46. FDDI uses _______ rings.
    two
  47. The  _______ is an organization's private network.
    intranet
  48. The ____________ are private intranets that connect not only internal personnel, but also selected suppliers, etc...
    extranet
  49. __________ are private networks that use the internet to connect remote sites (locations).
    VPNs (Virtual Private Network)
  50. A system of hardware and software that blocks unauthorized users inside or outside an organization from entering the intranet is called a ____________.
    firewall

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