What is the longest copper cable length supported by the IEEE 802.3an 10 Gigabit Ethernet standard?
A) 100 meters
B) 1 kilometer
C) 100 feet
D) 180 meters
E) 180 feet
A
Explanation: A) The longest cable length supported when using a copper cable (that is, Category 6a, 7 ) is 100 meters; notice, however, that even though the copper maximum length is the same for all Ethernet standards, the standard of the cable must change (that is, Category 6a or 7 instead of Category 5e or 6). A fiber cable must be used for Ethernet cable runs that need to be longer than this.
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