- 1. The OSI Layer responsible for binary transmission, cabling used, and the overall physical network is the:
A) Presentation B) physical C) Application D) Transport
- 2. The OTDR is the best device on a fiber than can be used to check for faults, integrity and media ___________________.
A) fibering B) performance C) network D) landline
- 3. Fiber Optic cable is preferred in a LAN where heavy data transport is carried out. Although Fiber is NOT affected by Electro-magnetic Interference (EMI), it is very ___________________.
A) long B) pretty C) light D) expensive
- 4. Straight-through cabling works on devices that are NOT alike, for example, a HOST (End Device) to a ________________.
A) Laptop B) Server C) Switch D) PC
- 5. The best way to connect alike devices (devices that are the same) is using ___________________ cable.
A) straight-through B) coaxial super cat 7e Ethernet C) crossover D) fiberoptic's special fiber-PRO
- 6. Wireless transmission uses radio ____________ to carry signals.
A) waves B) bands C) frequencies D) stations
- 7. The typical phone-line cable utilizes with type of connector?
A) BNC B) Type F C) RJ-45 D) RJ-11
- 8. Coaxial cabling (UTP) requires which type of connector?
A) BNC B) RJ-11 C) Thicknet D) UTP
- 9. Single and Multi-mode fiber-optic cable do NOT work the same. Generally, single-mode fiber optic cable uses _________________ as the light source, whereas multi-mode used LED's (Light-emitting diodes).
A) lasers B) radio waves C) highly-charged electrons D) radio frequencies
- 10. Because fiber-optic cable is generally expensive to run, difficult to install, and offers higher bandwidth transfer rates, it is usually assigned to ________________ cable.
A) work area B) horizontal C) work station D) backbone
- 11. The standard 3 measures of data transfer are: goodput, throughput, and ___________________.
A) crosstalk B) amplitude C) bandwidth D) superfrequency
- 12. In UTP, the higher the TPI (twists per inch) number, the less crosstalk one is bound to find. Crosstalk is cause by the _____________ field around adjacent wire pairs.
A) Cochran B) electrostatic C) interweaving D) magnetic
- 13. The best way to describe the Physical Layer, is that it creates signals that represent the bits in each frame onto the network ____________.
A) media B) server C) EMI D) radial frequency
- 14. If in a LAN installation, there is a HIGH chance of EMI, it best to used which type of cabling?
A) 3Com Thin-net B) CAT5E C) CAT6E D) fiber
- 15. If during crimping, the crimping is not done properly, the data transmitted thought the cables (if that cable is used) will experience signal ______________.
A) 568B B) uniqueness C) loss D) 568A
- 16. In a LAN where different hosts are logging on concurrently from different locations (think STARBUCKS), the preferred LAN type would be:
A) UTP B) wireless C) wired D) fibered
- 17. UTP is effective because the _________________ of its wires increases with series (4E, 5E, 6E).
A) fixing B) fibering C) cabling D) twisting
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