Ch 16 Questions.txt

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Author:
Da1JL1
ID:
245566
Filename:
Ch 16 Questions.txt
Updated:
2013-11-06 22:02:33
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reviewing basics
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exam 3 review
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  1. Place in order from slowest to fastest:

    3G,  WiMAX, cable Internet, Fast Ethernet, Dial-up networking
    Dial-up networking, 3G, cable Internet, WiMAX, Fast Ethernet
  2. Among satellite, cable Internet, and DSL, which technology experiences more latency?
    satellite
  3. When using cable Internet, the data transmission shares the cabling with what other technologies?
    tv cable lines
  4. What technology is used when power is transmitted on a cable network?
    Cable Internet
  5. What is the max length of a cable on a 100BaseT network?
    100 meters or 328 feet
  6. What type of network topology is used when five switches are used on a small LAN and each switch connects to multiple computers on the LAN?
    Star bus or hybrid
  7. What is the name of the port used by an Ethernet cable? What is the name of the port used by a dial-up modem?
    RJ-45 & RJ-11
  8. If you want to upgrade your 100BaseT  Ethernet network so that it will run about 10 times the current speed, what technology would you use?
    Gigabit Ethernet
  9. When using DSL to connect to the Internet, the data transmission shares the cabling with what other technologies?
    phone lines
  10. 3. What is the difference between ADSL and SDSL?
    SDSL- equal bandwidth in both directions. maximum speed up to 2.3 Mbps

    ADSL- most bandwidth is from ISP to user. Maximum speed 640 Kbps upstream and up to 24 Mbps downstream
  11. How is a wireless access point that is also a bridge more efficient in handling network traffic than a wireless access point that is not a bridge?
    The AP helps to reduce the overall volume of network traffic by not allowing data frames across the bridge if it knows that the frame is addressed to a destination on its own segment.
  12. Describe the difference between a hub and a switch.
    A hub transmits data to every device connected to it, without regard for what kind of data is passing through and where the data might be going.

    A switch keeps track of devices (by their MAC address, after learning it) it is connected to, so it is a smarter hub.

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