Questions and Answers
Which of the following is true about half-duplex mode? (Select one)
Which of the following physical topologies are used with Ethernet networks? (Select two)
Which Gigabit Ethernet standard can support long network segments up to a maximum of 5 km when used with single-mode fiber optic cable?
Which Gigabit Ethernet standard uses multimode fiber optic cabling and supports network segments up to a maximum of 550 meters long?
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Which type of cabling do Ethernet 100BaseFX networks use?
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What is the maximum cable segment length allowed for a network following the 100Base-FX specifications for Fast Ethernet?
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What is the maximum cable segment length allowed for a network following the 100Base-TX specifications for Fast Ethernet?
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Which Ethernet standard meets the guidelines for designing a high-speed network backbone between buildings around 300 meters apart? (Select two)
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Which standard and cable type would you choose to implement an Ethernet network at very long distances using fiber optic cables? (Select two)
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What is the minimum requirement for implementing 10 Gbps Ethernet over a distance of 1 kilometer or greater? (Select two)
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Study Notes
Ethernet Basics
- Half-duplex mode features collision detection activated, enabling the detection of data collisions during transmission.
- Common physical topologies for Ethernet networks include Star and Bus configurations.
Gigabit Ethernet Standards
- 1000BaseLX supports long network segments up to 5 km, specifically designed for single-mode fiber optic cables.
- 1000Base-SX utilizes multimode fiber optic cabling, allowing for a maximum segment length of 550 meters.
Fast Ethernet Specifications
- 100BaseFX networks are built on fiber optic cabling, which enhances data transmission over longer distances compared to twisted pair or coaxial cables.
- The maximum cable segment length for 100Base-FX in half-duplex mode is capped at 412 meters.
- For 100Base-TX Fast Ethernet, the maximum allowable cable segment length is 100 meters.
Network Design Considerations
- When designing an Ethernet network spanning distances of around 300 meters with existing multimode fiber optics, the standards of 1000Base-SX and 10GBase-SR are appropriate choices.
- To implement Ethernet over extended distances with fiber optic cables, Single-mode fiber and the 1000BaseLX standard are essential.
High-Speed Ethernet Implementations
- For 10 Gbps Ethernet capable of covering distances of 1 kilometer or more, requirements include the use of Single-mode fiber and meeting the standards set by 10GBaseLR.
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Test your knowledge of Ethernet networking concepts with these flashcards. Each card features important questions and definitions related to Ethernet modes and topologies. Perfect for students and professionals looking to reinforce their understanding of network fundamentals.
