- 1. The OSI Layer responsible for binary transmission, cabling used, and the overall physical network is the:
A) Application
B) Presentation
C) Transport
D) physical
- 2. The OTDR is the best device on a fiber than can be used to check for faults, integrity and media ___________________.
A) landline
B) network
C) performance
D) fibering
- 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) pretty
B) light
C) expensive
D) long
- 4. Straight-through cabling works on devices that are NOT alike, for example, a HOST (End Device) to a ________________.
A) Switch
B) Server
C) Laptop
D) PC
- 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) crossover
D) straight-through
- 6. Wireless transmission uses radio ____________ to carry signals.
A) waves
B) stations
C) bands
D) frequencies
- 7. The typical phone-line cable utilizes with type of connector?
A) RJ-11
B) Type F
C) RJ-45
D) BNC
- 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) radio waves
B) highly-charged electrons
C) radio frequencies
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) backbone
B) horizontal
C) work area
D) work station
- 11. The standard 3 measures of data transfer are: goodput, throughput, and ___________________.
A) bandwidth
B) superfrequency
C) amplitude
D) crosstalk
- 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) electrostatic
B) interweaving
C) Cochran
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) server
B) media
C) radial frequency
D) EMI
- 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) 568B
B) uniqueness
C) 568A
D) loss
- 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) fibered
D) wireless
- 17. UTP is effective because the _________________ of its wires increases with series (4E, 5E, 6E).
A) fibering
B) cabling
C) twisting
D) fixing
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