Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
29 Cards in this Set
- Front
- Back
|
Is the medium through which information moves from one network device to another |
CABLE |
|
|
twisted pair cabling comes into two varieties: |
Shielded and unshielded |
|
|
Most popular and is generally the beat option for school networks |
unshielded twisted pair (UTP) |
|
|
EIA/TIA |
Electronic Industry Association/Telecommunication Industry Association |
|
|
The standard connector for unshielded twisted pair cabling |
RJ-45 |
|
|
Three different configurations of Shielded Twisted Pair |
1. Each pair of wire is individually shielded with foil 2. There is a foil or braid shield inside the jacket covering all wires (as a group) 3. There is a shield around each individual pair, as well as around the entire group of wires. |
|
|
Has a single copper conductor at its center |
Coaxial cabling |
|
|
2 types of coaxial cabling |
Thick coaxial Thin coaxial |
|
|
specification for THIN coaxial cable carrying Ethernet signals |
10Base2 |
|
|
Specification for THICK coaxial cable carrying Ethernet signals |
10Base5 |
|
|
Most common type of connector used with coaxial cables |
Bayone-Neill-Concelman (BNC) connector |
|
|
Consist of a center glass core surrounded by several layers of protective materials. |
Fiber optic cabling |
|
|
Specifications for FIBER OPTIC CABLE carrying Ethernet signals |
10BaseF |
|
|
2 common tyoea of fiber cables |
Single mode Multimode |
|
|
Has larger diameter |
Multimode cable |
|
|
Can provide more distance, but it is more expensive |
Single mode |
|
|
Use high frequency radio signals.... |
Wireless LANS |
|
|
WPA |
WiFi protected Access |
|
|
defined as building or campus telecommunications cabling |
Structured cabling |
|
|
six sub-systems of structured cabling |
1 entrance facilities 2 equipment room 3 telecommunications room 4 backbone cabling 5 horizontal cabling 6 work-area components |
|
|
Where the building interfaces with the outside world |
Entrance facilities |
|
|
host equipment which serve the users inside the building |
Equipment room |
|
|
where various telecommunications and data equipment resides |
Telecommunications rooms |
|
|
The name suggests carries the signal between the entrance facilities |
Backbone cabling |
|
|
The wiring from telecommunications rooms to the individual outlets on the floor |
Horizontal cabling |
|
|
connect end user equipment to the outlets of the horizontal cabling system |
Work-Area components |
|
|
Steps to implement and maintain an optimal structured cabling infrastructure |
1 educate yourself 2 establish your goals and objectives 3 design the infrastructure and draft specifications 4 installation 5 testing |
|
|
main components of backbone cabling |
* cable pathways * the actual cables * connecting hardware * miscellaneous suport facilities |
|
|
Materials |
Cable tray. Patch panel Rack. Cable ties/tie wrap Round bar (threaded) UTP Cable Angular bar Pull box Steel pipe Washers Nuts and bolts |
