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IEEE 802.3ab defines Gigabit Ethernet transmission over unshielded twisted pair (UTP) category 5, 5e or 6 cabling known as ______.
  • a)
    1000 BASE-T
  • b)
    1000 BASE-SX
  • c)
    1000 BASE-LX
  • d)
    1000 BASE-CX
Correct answer is option 'A'. Can you explain this answer?
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IEEE 802.3ab defines Gigabit Ethernet transmission over unshielded twi...
IEEE 802.3ab is a standard that defines Gigabit Ethernet transmission over unshielded twisted pair (UTP) category 5, 5e or 6 cabling. This standard is also known as 1000 BASE-T.

Explanation:
- Gigabit Ethernet: Gigabit Ethernet is a type of Ethernet network that supports data transmission at a rate of 1 gigabit per second (Gbps). It is significantly faster than traditional Ethernet networks, which typically operate at speeds of 10 or 100 megabits per second (Mbps).
- Transmission over UTP: Unshielded twisted pair (UTP) is a type of cable commonly used for Ethernet network connections. It consists of four pairs of twisted copper wires, which help reduce interference and crosstalk between the wires. UTP cables are cost-effective and easy to install.
- Category 5, 5e or 6 cabling: Category 5 (Cat 5), Category 5e (Cat 5e), and Category 6 (Cat 6) are different specifications for UTP cables. These categories define the performance characteristics of the cables, such as bandwidth and maximum transmission distance. Cat 5e and Cat 6 cables are enhanced versions of Cat 5, with improved performance and support for higher data rates.
- 1000 BASE-T: 1000 BASE-T is the specific standard defined by IEEE 802.3ab for Gigabit Ethernet transmission over UTP cables. The "1000" in the standard name refers to the data rate of 1 gigabit per second, and "BASE-T" indicates that the transmission is over twisted pair cables. This standard supports transmission distances of up to 100 meters.

In summary, IEEE 802.3ab defines Gigabit Ethernet transmission over UTP category 5, 5e or 6 cabling, commonly known as 1000 BASE-T. This standard allows for high-speed data transmission over cost-effective and widely available UTP cables.
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IEEE 802.3ab defines Gigabit Ethernet transmission over unshielded twi...
IEEE 802.3ab and Gigabit Ethernet over UTP cabling
IEEE 802.3ab:
IEEE 802.3ab is a standard that defines the specifications for Gigabit Ethernet transmission over various types of cabling. It is also known as 1000BASE-T.
Gigabit Ethernet over UTP:
Gigabit Ethernet is a networking technology that provides data transmission at a rate of 1 gigabit per second (Gbps). It can be transmitted over various types of cabling, including unshielded twisted pair (UTP) cables.
UTP Category 5, 5e, and 6:
UTP cables are commonly used for Ethernet networking. They consist of four pairs of twisted copper wires. The different categories of UTP cables indicate their performance characteristics, with higher categories providing better performance.
- Category 5: This is the most basic type of UTP cable and supports data transmission up to 100 megabits per second (Mbps).
- Category 5e: This enhanced version of Category 5 cable supports data transmission up to 1000 Mbps, making it suitable for Gigabit Ethernet.
- Category 6: This is an improved version of Category 5e cable and offers even better performance. It also supports data transmission up to 1000 Mbps.
1000 BASE-T:
1000BASE-T is the Gigabit Ethernet standard defined by IEEE 802.3ab for transmission over UTP cabling. It specifically refers to Gigabit Ethernet over Category 5, 5e, or 6 UTP cables.
Answer:
Therefore, the correct answer is A: 1000 BASE-T, as defined by IEEE 802.3ab, for Gigabit Ethernet transmission over UTP Category 5, 5e, or 6 cabling.
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