CCNA R&S Question of the Week: Full-Duplex Ethernet Network

Which three statements are true about full-duplex Ethernet network? (Choose three.)

A. There are no collisions in full-duplex mode.
B. A dedicated switch port is required for each full-duplex device.
C. Ethernet hub ports only operate in full-duplex mode.
D. In a full-duplex mode, the host NIC must check for the availability of the network media before transmitting.
E. The host NIC and the switch port must be operating in full-duplex mode.

Reveal Answer

Answer: A, B and E.

Full-duplex allows the transmission and receipt of traffic at the same time because there is a dedicated transmit and receive. There are no collisions in full-duplex mode. Half-duplex in contrast, you can only send or receive at any given time.

Related Resources
Cisco White Papers

Related Course
CCNAX v2.0 — CCNA Routing and Switching Boot Camp
ICND1 v2.0 — Interconnecting Cisco Networking Devices, Part 1
ICND2 v2.0 — Interconnecting Cisco Networking Devices, Part 2

CCNA R&S Question of the Week Series

• CCNA R&S Question of the Week: Full-Duplex Ethernet Network

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