PowerWise® Design University

Interface 150 - Ethernet Basics

What is the OUI (Organizationally Unique Identifier), and who controls it?
A 64 bit serialized identifier given to all of National`s products, controlled by PDS
Nationals patent control mechanism, controlled by the National's IP group
A number given to each National product, controlled by the Product Lines
A 24 bit unique node serial number assigned to companies, controlled by the IEEE

Ethernet runs only on Twisted Pair network cables
True
False

What are the IEEE specs for bit error rate for 10, 100 and 1000 Mb/s?
1 error in 10e8, 10e10, 10e10 bits, respectively
1 error in 10e8, 10e10, 10e12 bits, respectively
0 errors
There is no specified acceptable limit

What is the cumulative bit rate for 10, 100 and 1000 Mb/s networks, using standard, maximum size Ethernet packets?
10, 100, 1000 Mb/s
9.60, 96.0, 960 Mb/s
9.87, 98.7, 987 Mb/s
7.62, 76.2 762 Mb/s

Within a single standard Ethernet frame, how much data can be carried?
64 to 1518 bytes
As much as you want
46 to 1500 bytes
0 to 1532 bytes

What is considered to be the distance a standard Ethernet device must be able to drive?
100 feet
1 mile
100 meters
There is none