Cisco Certified Network Associate (CCNA) 2025 – 400 Free Practice Questions to Pass the Exam

Question: 1 / 1055

What is the maximum distance for the 1000BASE-CX cabling?

50 meters

25 meters

The correct maximum distance for 1000BASE-CX cabling is 25 meters. This standard uses shielded twisted pair cabling, typically designed for short-distance connections, particularly in server rooms or data centers. The relatively short maximum distance helps maintain signal integrity at gigabit speeds, where interference and attenuation can be significant factors.

The other options reflect maximum distances associated with different Ethernet standards. For example, 1000BASE-T, which utilizes twisted pair cabling, can support distances up to 100 meters. However, 1000BASE-CX is specifically limited to 25 meters due to its design and cabling characteristics.

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100 meters

75 meters

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