- 1. The OSI Layer responsible for binary transmission, cabling used, and the overall physical network is the:
A) physical
B) Application
C) Transport
D) Presentation
- 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) landline
D) network
- 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) light
B) expensive
C) pretty
D) long
- 4. Straight-through cabling works on devices that are NOT alike, for example, a HOST (End Device) to a ________________.
A) Laptop
B) PC
C) Server
D) Switch
- 5. The best way to connect alike devices (devices that are the same) is using ___________________ cable.
A) coaxial super cat 7e Ethernet
B) fiberoptic's special fiber-PRO
C) straight-through
D) crossover
- 6. Wireless transmission uses radio ____________ to carry signals.
A) frequencies
B) bands
C) waves
D) stations
- 7. The typical phone-line cable utilizes with type of connector?
A) Type F
B) RJ-45
C) RJ-11
D) BNC
- 8. Coaxial cabling (UTP) requires which type of connector?
A) RJ-11
B) Thicknet
C) UTP
D) BNC
- 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) radio frequencies
B) radio waves
C) highly-charged electrons
D) lasers
- 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) backbone
D) work station
- 11. The standard 3 measures of data transfer are: goodput, throughput, and ___________________.
A) bandwidth
B) superfrequency
C) crosstalk
D) amplitude
- 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) interweaving
C) magnetic
D) electrostatic
- 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) server
B) media
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) fiber
B) CAT6E
C) 3Com Thin-net
D) CAT5E
- 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) uniqueness
B) 568A
C) loss
D) 568B
- 16. In a LAN where different hosts are logging on concurrently from different locations (think STARBUCKS), the preferred LAN type would be:
A) wired
B) UTP
C) wireless
D) fibered
- 17. UTP is effective because the _________________ of its wires increases with series (4E, 5E, 6E).
A) cabling
B) fixing
C) fibering
D) twisting
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