Ccnet Essay

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1. Which connector is used with twisted-pair cabling in an Ethernet LAN? 2. Which type of cable run is most often associated with fiber-optic cable? backbone cable horizontal cable patch cable work area cable 3. What is a possible effect of improperly applying a connector to a network cable? Data will be forwarded to the wrong node. Data transmitted through that cable may experience signal loss. An improper signaling method will be implemented for data transmitted on that cable. The encoding method for data sent on that cable will change to compensate for the improper connection. 4. With the use of unshielded twisted-pair copper wire in a network, what causes crosstalk within the cable pairs? the magnetic field around the adjacent pairs of wire the use of braided wire to shield the adjacent wire pairs the reflection of the electrical wave back from the far end of the cable the collision caused by two nodes trying to use the media simultaneously 5. Which data communications standard provides broadband access in a wireless network? GSM Wi-Fi WiMAX Bluetooth 6. Which OSI layer is responsible for managing optical signals used for data communication? presentation data link transport physical 7. Which fiber connector supports full duplex Ethernet? 8. In LAN installations where potential electrical hazards or electromagnetic interference may be present, what type of media is recommended for backbone cabling? coax fiber Cat5e UTP Cat6 UTP STP 9. An installed fiber run can be checked for faults, integrity, and the performance of the media by using what device? light injector OTDR TDR multimeter 10. Which characteristics describe fiber optic cable? (Choose two.) It is not affected by EMI or RFI. Each pair of cables is wrapped in metallic foil. It combines the technique of cancellation,

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