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Questions and Answers
What is the main use of fiber-optic cabling in Enterprise Networks?
What is the main use of fiber-optic cabling in Enterprise Networks?
- Interconnecting infrastructure devices (correct)
- Connecting countries and cities
- Surviving in harsh undersea environments
- Providing broadband services to homes and small businesses
Which type of fiber has a larger core and utilizes less expensive LEDs for transmission?
Which type of fiber has a larger core and utilizes less expensive LEDs for transmission?
- Long-Haul Fiber
- Submarine Fiber
- Single-Mode Fiber
- Multimode Fiber (correct)
What is the term used to describe the spreading out of a light pulse over time in fiber-optic cabling?
What is the term used to describe the spreading out of a light pulse over time in fiber-optic cabling?
- Refraction
- Reflection
- Dispersion (correct)
- Absorption
Which type of fiber is more suitable for long-distance applications due to its very small core and use of expensive lasers?
Which type of fiber is more suitable for long-distance applications due to its very small core and use of expensive lasers?
Which type of fiber-optic connector is commonly used in Subscriber Connector (SC) connectors?
Which type of fiber-optic connector is commonly used in Subscriber Connector (SC) connectors?
What is the purpose of Duplex Multimode LC Connectors in fiber-optic cabling?
What is the purpose of Duplex Multimode LC Connectors in fiber-optic cabling?
What is a key advantage of fiber-optic cabling compared to other networking media?
What is a key advantage of fiber-optic cabling compared to other networking media?
Why is multimode fiber not as common as UTP cabling?
Why is multimode fiber not as common as UTP cabling?
Which type of fiber-optic cable is suitable for longer distance transmissions at higher bandwidths?
Which type of fiber-optic cable is suitable for longer distance transmissions at higher bandwidths?
What is a primary purpose of a fiber patch cord?
What is a primary purpose of a fiber patch cord?
In fiber-optic connectors, what is the purpose of using a laser or LED?
In fiber-optic connectors, what is the purpose of using a laser or LED?
Why is fiber-optic cabling made of extremely thin strands of very pure glass?
Why is fiber-optic cabling made of extremely thin strands of very pure glass?
What is the primary use of fiber-optic cabling according to the text?
What is the primary use of fiber-optic cabling according to the text?
Which fiber-optic cable jacket color is used for multimode fiber cables?
Which fiber-optic cable jacket color is used for multimode fiber cables?
Which type of fiber-optic connector is shown in the image as 'SC-SC MM Patch Cord'?
Which type of fiber-optic connector is shown in the image as 'SC-SC MM Patch Cord'?
What is the purpose of a fiber patch cord?
What is the purpose of a fiber patch cord?
Which fiber-optic cable jacket color is used for single-mode fiber cables?
Which fiber-optic cable jacket color is used for single-mode fiber cables?
Which characteristic of fiber-optic cabling is mentioned as an advantage over UTP (unshielded twisted pair) cabling?
Which characteristic of fiber-optic cabling is mentioned as an advantage over UTP (unshielded twisted pair) cabling?
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Study Notes
Fiber-Optic Cabling in Enterprise Networks
- Main purpose: To enable high-speed and high-bandwidth data transmission across extensive distances in enterprise networks.
- Key advantage: Fiber-optic cabling supports much higher data rates compared to UTP (unshielded twisted pair) cabling.
Types of Fiber-Optic Cables
- Multimode fiber: Has a larger core and uses less expensive LEDs for transmission, making it suitable for shorter distances.
- Single-mode fiber: Features a very small core and utilizes costly lasers, making it ideal for long-distance applications due to minimal signal loss.
Light Pulse Characteristics
- Dispersion: Refers to the spreading out of a light pulse over time in fiber-optic cabling, which can affect signal quality.
Fiber-Optic Connectors
- Common type used: Subscriber Connector (SC) for connections due to its reliability and ease of use.
- Duplex Multimode LC Connectors: Allow for full-duplex communication, enabling simultaneous data transmission and reception.
Fiber Patch Cords
- Primary purpose: To connect devices to a network via fiber-optic connectivity, facilitating network expansion and flexibility.
Fiber-Optic Cable Specifications
- Multimode fiber cable jacket color is typically orange.
- Single-mode fiber cable jacket color is commonly yellow.
Advantages of Fiber-Optic over Other Media
- Greater bandwidth capacity: Fiber can transmit data over longer distances without degradation, unlike traditional copper cables.
Multimode Fiber vs. UTP Cabling
- Despite being effective for certain applications, multimode fiber is less common than UTP cabling due to lower installation costs and the latter's sufficient performance for many business environments.
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