Ethernet FAQ
Frequently Asked Questions about Ethernet.
This FAQ about Ethernet
was compiled and written by James Messer James@NetworkUptime.com
with numerous contributions by others.
1.1] What is this FAQ? (comp.dcom.lans.ethernet)- This FAQ will attempt to explain and decipher the intricacies ...
1.4] Who provides information to the FAQ? (comp.dcom.lans.ethernet)- In many cases, the FAQ questions and answers are summarized from ...
2.1] What is Ethernet?- Ethernet is the IEEE 802.3 series standard, based on ...
2.2] What is the history of Ethernet?- The original Ethernet specification began in the early 1970's ...
2.3] What is CSMA/CD?- Carrier Sense Multiple Access with Collision Detection is the ...
2.5] Where are the IEEE specifications? (Introduction to Ethernet)- The IEEE specifications can be purchased from the IEEE at:...
3.1] What are the different physical Ethernet network types?- Some of the physical Ethernet types as defined in the 802....
3.2] What does baseband and broadband mean? (Ethernet Physical Layer)- A baseband network has a single channel that is used ...
3.3] What is the difference between a bus topology and a star topology? (Ethernet Physical Layer)- A bus topology is a networking architecture that is linear, ...
3.4] What physical Ethernet topologies are no longer popular? (Ethernet Physical Layer)- There are a number of physical networking components specified ...
3.5] What are the most common physical Ethernet networks used today?- Most modern Ethernet networks use twisted pair copper cabling ...
3.8] What pin assignments are used in twisted-pair Ethernet cabling?- Twisted-pair Ethernet (10BASE-T, 100BASE-T, or 1000BASE-T) uses ...
3.9] Can two Ethernet stations be directly attached with 10BASE-T?- Two Ethernet stations can be directly attached to each other, ...
3.11] What is propagation delay? (Ethernet Physical Layer)- The propagation speed of a medium refers to the speed that the ...
3.12] What is an interframe gap? (Ethernet Physical Layer)- The inteframe gap is the amount of time that is specified ...
4.1] What are the different Ethernet frame formats? (Ethernet Data Link Layer)- Ethernet Version 2 and IEEE 802.3 Frame ...
4.2] What is transparent bridging? (Ethernet Data Link Layer)- Transparent bridging is a method to connect two similar ...
4.3] What is the spanning tree protocol? (Ethernet Data Link Layer)- Spanning tree is a protocol defined in IEEE 802.1q to ...
4.4] What is Ethernet switching?- From a functional point of view, switching is exactly the same ...
5.1] What is a collision, and how many collisions are bad? (Ethernet Errors and Troubleshooting)- Ethernet networking uses collisions as one of the contention ...
5.2] What is the Signal Quality Error (SQE) Test? (Ethernet Errors and Troubleshooting)- The SQE Test is used to test for the collision present ...
5.3] What is jam? (Ethernet Errors and Troubleshooting)- When a collision is recognized by a transmitting station, a ...
5.4] What is a late collision, and why is it bad? (Ethernet Errors and Troubleshooting)- A collision is considered late if the jam occurs after ...
5.5] What is a runt? (Ethernet Errors and Troubleshooting)- In Ethernet networks, any frame shorter than the minimum 64 ...
5.6] What is jabber? (Ethernet Errors and Troubleshooting)- Jabber is described most often as a frame greater than the ...
5.7] What is a CRC/Alignment error? (Ethernet Errors and Troubleshooting)- When a station sends a frame, it appends a Cyclical ...
5.8] What non-commercial software is available to monitor an Ethernet network?- A list of commercial, shareware, and freeware software is ...
6.1] What Ethernet-related books are available?- The Certified Network Expert (CNX) consortium described ...
6.2] What certifications are available regarding Ethernet networks?- An Ethernet-specific certification is available through ...