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Questions and Answers
What is the fundamental communications path to the rest of the world in a network?
What is the fundamental communications path to the rest of the world in a network?
- Wireless connections
- Satellite communication
- Twisted pair of copper cabling (correct)
- Fiber optic cables
How many pairs of wires are commonly found inside an ethernet cable?
How many pairs of wires are commonly found inside an ethernet cable?
- Six pairs
- Two pairs
- Four pairs (correct)
- Five pairs
What are the colors of the pairs of wires commonly found in twisted pair copper cabling for ethernet networks?
What are the colors of the pairs of wires commonly found in twisted pair copper cabling for ethernet networks?
- Black, white, purple, orange
- Red, green, blue, yellow
- Yellow, orange, purple, white
- Blue, white, green, orange (correct)
Why do twisted pair cables have twists in them?
Why do twisted pair cables have twists in them?
What type of cable doesn't have any special shielding around the cables or individual wires?
What type of cable doesn't have any special shielding around the cables or individual wires?
What type of cable should you use if there's much interference and you need additional protection?
What type of cable should you use if there's much interference and you need additional protection?
What does 'F/FTP' abbreviation on an ethernet cable indicate?
What does 'F/FTP' abbreviation on an ethernet cable indicate?
Which type of cable is designed for direct burial without a conduit?
Which type of cable is designed for direct burial without a conduit?
What adds rigidity and strength to shielded twisted pair cables?
What adds rigidity and strength to shielded twisted pair cables?
What feature of fiber optic communication enhances security?
What feature of fiber optic communication enhances security?
What would an ethernet cable with 'S/UTP' written on it signify?
What would an ethernet cable with 'S/UTP' written on it signify?
'FTP' in a cable label stands for what kind of shielding?
'FTP' in a cable label stands for what kind of shielding?
What is the purpose of the ground wire in shielded cables?
What is the purpose of the ground wire in shielded cables?
Which cable type is not as flexible but safer in case of a fire?
Which cable type is not as flexible but safer in case of a fire?
What does 'S/FTP' on an ethernet cable suggest about its construction?
What does 'S/FTP' on an ethernet cable suggest about its construction?
Which type of cable may have an 'F/UTP' label?
Which type of cable may have an 'F/UTP' label?
What is the purpose of the different twist rates in twisted pair cabling?
What is the purpose of the different twist rates in twisted pair cabling?
What does the 'E' in category 5e signify?
What does the 'E' in category 5e signify?
Which ethernet standard operates at 10 gigabits per second over twisted pair cabling?
Which ethernet standard operates at 10 gigabits per second over twisted pair cabling?
What is the maximum distance supported by category 5e cabling for 1000BASE-T?
What is the maximum distance supported by category 5e cabling for 1000BASE-T?
What is the purpose of using plenum-rated cables in shared plenum areas?
What is the purpose of using plenum-rated cables in shared plenum areas?
Which type of cable commonly used in cable modem networks has a single conductor running its length?
Which type of cable commonly used in cable modem networks has a single conductor running its length?
What material is commonly used to make the jacket of an ethernet cable?
What material is commonly used to make the jacket of an ethernet cable?
What makes communicating over fiber optics different from using copper cabling?
What makes communicating over fiber optics different from using copper cabling?
Why is fiber optic cable preferred in environments with high radio frequency interference?
Why is fiber optic cable preferred in environments with high radio frequency interference?
Which light source is commonly used with multi-mode fiber optic cables?
Which light source is commonly used with multi-mode fiber optic cables?
What distance range is typically associated with multi-mode fiber optic communication?
What distance range is typically associated with multi-mode fiber optic communication?
In single-mode fiber optics, how many modes of communication occur between the source and the destination?
In single-mode fiber optics, how many modes of communication occur between the source and the destination?
What protects the fiber optics on the inside of the cable?
What protects the fiber optics on the inside of the cable?
What is the name of the cabling standard discussed in the text?
What is the name of the cabling standard discussed in the text?
What does TIA stand for in the context of cabling standards?
What does TIA stand for in the context of cabling standards?
Which standard provides color schemes for 8P8C connectors?
Which standard provides color schemes for 8P8C connectors?
Which color scheme is mostly associated with horizontal cabling?
Which color scheme is mostly associated with horizontal cabling?
What is the maximum cable length for USB 1.1 full speed version?
What is the maximum cable length for USB 1.1 full speed version?
Which pins have an identical color assignment in both T568A and T568B?
Which pins have an identical color assignment in both T568A and T568B?
Which USB standard increased the total maximum speed to 480 megabits per second?
Which USB standard increased the total maximum speed to 480 megabits per second?
Where can you find more information about the TIA 568 standard?
Where can you find more information about the TIA 568 standard?
What is the defining characteristic of USB-C connector?
What is the defining characteristic of USB-C connector?
What does T568A and T568B refer to in the context of cabling?
What does T568A and T568B refer to in the context of cabling?
Which connectors are commonly associated with 568A coloring scheme?
Which connectors are commonly associated with 568A coloring scheme?
Which USB standard is sometimes referred to as super speed USB?
Which USB standard is sometimes referred to as super speed USB?
What type of signal does USB-C connector describe?
What type of signal does USB-C connector describe?
What type of plug is traditionally used especially on mobile devices with USB 2.0?
What type of plug is traditionally used especially on mobile devices with USB 2.0?
How does the USB-C connector differ from the A connectors?
How does the USB-C connector differ from the A connectors?
Which USB standard is an upgrade from USB 2.0?
Which USB standard is an upgrade from USB 2.0?
'Super speed USB' is a term commonly associated with which USB standard?
'Super speed USB' is a term commonly associated with which USB standard?
'USB-C' connector can transmit which of the following signals?
'USB-C' connector can transmit which of the following signals?
'USB 3.1 gen 1' is an update to which USB standard?
'USB 3.1 gen 1' is an update to which USB standard?
What is a key feature of the USB-C plug?
What is a key feature of the USB-C plug?
What is the maximum throughput of USB 3.1 Gen 2?
What is the maximum throughput of USB 3.1 Gen 2?
Which version of USB effectively doubles the bandwidth available in USB?
Which version of USB effectively doubles the bandwidth available in USB?
How does Thunderbolt version 1 achieve a maximum throughput of 20 gigabits per second?
How does Thunderbolt version 1 achieve a maximum throughput of 20 gigabits per second?
What is the maximum aggregated throughput of Thunderbolt version 3?
What is the maximum aggregated throughput of Thunderbolt version 3?
What is the maximum cable length when using a copper connection for Thunderbolt signals?
What is the maximum cable length when using a copper connection for Thunderbolt signals?
Which technology allows data and power to be put on the same cable?
Which technology allows data and power to be put on the same cable?
Which connector is commonly referred to as a DB-15 but is technically a DE-15?
Which connector is commonly referred to as a DB-15 but is technically a DE-15?
What color is associated with VGA in the PC System Design Guide Standards?
What color is associated with VGA in the PC System Design Guide Standards?
Which video standard does NOT integrate audio signals within its connection?
Which video standard does NOT integrate audio signals within its connection?
What type of signal does VGA use?
What type of signal does VGA use?
Which connector type is unique to HDMI interfaces?
Which connector type is unique to HDMI interfaces?
Which video connection has the capability to incorporate audio within the same cable?
Which video connection has the capability to incorporate audio within the same cable?
What type of connection does DisplayPort support?
What type of connection does DisplayPort support?
What is the main difference between single link and dual link DVI connections?
What is the main difference between single link and dual link DVI connections?
Which type of DVI connection allows for both digital and analog communication in the same connector?
Which type of DVI connection allows for both digital and analog communication in the same connector?
'Hooks connected to the interface that lock it into place' are a feature of which video connection?
'Hooks connected to the interface that lock it into place' are a feature of which video connection?
What feature of HDMI cables allows for extended lengths before signal degradation?
What feature of HDMI cables allows for extended lengths before signal degradation?
Which connector is predominantly used for connecting to an HDMI interface?
Which connector is predominantly used for connecting to an HDMI interface?
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Study Notes
- Network cabling is crucial for communication between different parts of a network, be it a new data center or an existing building.
- Ethernet networks commonly use twisted pair copper cabling due to its widespread availability and affordability.
- Twisted pair cabling consists of several pairs of wires, each having opposite signals to reduce electromagnetic interference.
- Each pair of wires has a different twist rate, allowing for better interference identification and reduction.
- Different types of twisted pair cabling exist, such as category 5, 5e, 6, and 6A, each with specific electrical characteristics and supporting different network standards.
- Coaxial cables, with a common generic term of "coax," are another type of cabling commonly used, especially for cable television and cable modem networks.
- In environments like drop ceilings and shared plenums, special cabling is required to minimize smoke and toxic fumes during a fire.
- The jacket material of network cables varies, with PVC being the most common, but plenum-rated cables use FEP or low smoke PVC.
- UTP (unshielded twisted pair) and STP (shielded twisted pair) are common types of cabling, with STP offering additional shielding and protection.
- Different cabling types have specific abbreviations on their exterior, such as F slash UTP or F slash FTP.
- Direct burial STP is used for cabling that needs to be buried in the ground without conduits, making it waterproof and rigorous.
- Fiber optic communication uses light signals for transmitting data and offers longer distance communication and increased security due to the absence of radio frequencies.
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