Network+ Ch4

  1. On an Ethernet switched network, what address does one host computer use to communicate with another?




    C.  MAC address
  2. Which of the following can run full duplex and achieve 200Mbps with CAT5e cable?




    B.  100BaseTX
  3. How many devices in a collision domain have to listen when a single host talks?




    B.  All
  4. If you are using a cable medium called 100BaseTF, what does this mean?




    D.  That you are running Ethernet over fiber
  5. What protocol helps devices share the bandwidth evenly without having two devices transmit at the same time on the network medium?




    A.  CSMA/CD
  6. What is the maximum distance of 10GBaseSR?




    D.  302 meters (990 feet)
  7. How many wire pairs are used with half duplex?




    B.  1
  8. How many wire pairs are used with 100BaseT full duplex?




    C.  2
  9. What is the maximum distance of 10GbaseLR?




    A.  6 miles
  10. What is the effective total throughput increase with a full duplex connection?




    D.  Twice as much
  11. What device can you not use full duplex communication with?




    D.  Hub
  12. What is the decimal equivalent of this binary umber:
    11000000.10101000.00110000.11110000




    B.  192.168.48.240
  13. Which technology increases the bandwidth for network transmission by joining together multiple connections in one logical connection?




    D.  Bonding
  14. How is the decimal value for 10 represented in binary?




    C.  1010
  15. What is the decimal value for the binary number 11101000?




    D.  232
  16. What is the decimal number 10 in hexadecimal?




    A.  A
  17. How many bits is a MAC address?




    C.  48
  18. What is the maximum distance of 1000BaseT?




    B.  100 meters (328 feet)
  19. What is the purpose of the Frame Check Sequence (FCS) in an Ethernet frame?




    D.  Error detection
  20. What does the Base mean in 100BaseTX?




    B.  Baseband
  21. What is the

    - cable type
    - maximum speed
    - maximum distance
    - notes

    for 10Base5
    • - coax
    • - 10Mbps
    • - 500 meters
    • - AKA thicknet, uses vampire taps
  22. What is the

    - cable type
    - maximum speed
    - maximum distance
    - notes

    for 10Base2
    • - coax
    • - 10Mbps
    • - 185 meters per segment
    • - AKA thinnet, popular implementation of Ethernet over coax
  23. What is the

    - cable type
    - maximum speed
    - maximum distance
    - notes

    for 10BaseT
    • - UTP
    • - 10Mbps
    • - 100 Meters per segment
    • - One of the most popular network cabling schemes
  24. What is the

    - cable type
    - maximum speed
    - maximum distance
    - notes

    for 100BaseTX
    • - UTP, STP
    • - 100Mbps
    • - 100 Meters per segment
    • - Two pairs of CAT5 UTP
  25. What is the

    - cable type
    - maximum speed
    - maximum distance
    - notes

    for 10BaseFL
    • - Fiber
    • - 10Mbps
    • - ranges from 500 meters to 2,000 meters
    • - Ethernet over fiber optics to the desktop
  26. What is the

    - cable type
    - maximum speed
    - maximum distance
    - notes

    for 100BaseFX
    • - MMF
    • - 100Mbps
    • - 2,000 meters
    • - 100Mbps Ethernet over fiber optics
  27. What is the

    - cable type
    - maximum speed
    - maximum distance
    - notes

    for 1000BaseT
    • - UTP
    • - 1000Mbps
    • - 100 meters
    • - Four pairs of Category 5e or higher
  28. What is the

    - cable type
    - maximum speed
    - maximum distance
    - notes

    for 1000BaseSX
    • - MMF
    • - 1000Mbps
    • - 550 Meters
    • - Uses SC fiber connectors, max length depends on fiber size
  29. What is the

    - cable type
    - maximum speed
    - maximum distance
    - notes

    for 1000BaseCX
    • - Balanced, shielded copper
    • - 1000Mbps
    • - 550 meters multimode/2,000 meters single mode
    • - Uses longer wavelength laser than 1000BaseSX, uses SC and LC connectors
  30. What is the

    - cable type
    - maximum speed
    - maximum distance
    - notes

    for 10GBaseT
    • - UTP
    • - 10Gbps
    • - 100 meters
    • - Connects to the network like a Fast Ethernet link using UTP
  31. What is the

    - cable type
    - maximum speed
    - maximum distance
    - notes

    for 10GBaseSR
    • - MMF
    • - 10Gbps
    • - 300 meters
    • - 850 nm laser, max length depends on fiber size and quality
  32. What is the

    - cable type
    - maximum speed
    - maximum distance
    - notes

    for 10GBaseLR
    • - SMF
    • - 10Gbps
    • - 10 kilometers
    • - 1310 nm laser, max length varies
  33. What is the

    - cable type
    - maximum speed
    - maximum distance
    - notes

    for 10GBaseER
    • - SMF
    • - 10 Gbps
    • - 40 kilometers
    • - 1550 nm laser, max length varies
  34. What is the

    - cable type
    - maximum speed
    - maximum distance
    - notes

    for 10GBaseSW
    • - MMF
    • - 10Gbps
    • - 300 meters
    • - 850 nm laser transceiver
  35. What is the

    - cable type
    - maximum speed
    - maximum distance
    - notes

    for 10GBaseLW
    • - SMF
    • - 10Gbps
    • - 10 kilometers
    • - Typically used with SONET
  36. What is the

    - cable type
    - maximum speed
    - maximum distance
    - notes

    for 10GBaseEW
    • - SMF
    • - 10Gbps
    • - 40 kilometers
    • - 1550 nm optical wavelength
Author
a2k2d2
ID
230740
Card Set
Network+ Ch4
Description
Network + Ch4
Updated