Card Set Information

2009-12-04 22:57:10
Data Tech

Data Tech
Show Answers:

  1. What is a LAN?
    a LAN is a short distance data communications network used to link together computer so that peripheral equipment and files can be shared.
  2. What is a network switch?
    A network switch is a computer networkinh device that connects network segments, such as computers, printers, and/or servers on the customer's LAN (local area network).
  3. Why do small businesses generrally not purchase a full T-1?
    Because of high cost.
  4. What is the difference between ADSL and SDSL?
    ADSL is asymmetrical with low upoad speeds and high download speeds.

    SDSL is a symmetrical with the same upload and download speeds.
  5. How does distance from the CO impact the delivery of DSL service?
    Over0subscription, reliability, and availability.
  6. What type of cable is used to connect networked PC's?
    ethernet/CAT5 cable
  7. What is the access speed of cable modem service?
    1.5 Mbps, shared
  8. What is the one important point that we would like you to remember about how Cbeyond delivers service?
    At Cbeyon we deliver high speed internet access and application services to small business to help them work more efficiently while positively impacting their bottem line.
  9. Standalone PC
    One PC connected straight to the modem.
  10. Networked PC
    Multiple computers connected to a network switch which is connected to the modem.
  11. Network Switch
    its the hub that is directly connected to the modem.
  12. ISP
    Internet Service Provider

    Comcast, Cbeyond, Verizon, etc.
  13. NIC (Network Interface Card)
    NICs fit into the PC electronically connect the PC to the metwork. The combination of the network switch and NIC eliminates the need for a modem.
  14. CAT5 Cable
    Eithernet cable that transmits digital signal.
  15. LAN (Local Area Network)
    Short distance connection data communications network used to link together computers so that files can be shared.
  16. Router
    Router is the network connection, usually to a modem.
  17. Dial Up
    Dialed in connection to internet/data service. usually very inexpensive and very slow. Max 56kbps but averages 34kbps.
  18. DSL
    Digital subscriber line service a method of moving data over existing copper wires.
  19. ADSL
    Asymmetrical Digital Subscriber Line is structured to provide slow speed to the internet while it downloads up to 10 times faster.
  20. SDSL
    Symetrical Digital Subscriber line is the choice as it uploads and downloads at the same speeds.
  21. ISDN
    Integrated Services Digital Network is also a dial-up access method with speeds of 128 kbps.
  22. Shared Tenant Services
    Is the process of maximizing the capacity of a T-1 by having tenants within the same building share access.
  23. Cable Modem
    is the result of putting a modem on a TV coaxial cable.
  24. Full T-1
    full T-1 service is 1.54 Mbps.
  25. Fractional T-1
    is defined as using a portion of the T-1 to gain internet access.