HomeCCNA Network Exam Prep 2026Question 4 of 10
CCNA Network Exam Prep 2026Question 4 / 10

Which of the following has the highest data transmission rate?

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Multiple choice — select the best answer
✓ Correct answer: C. Fiber optic cable Answer: Fiber optic cable Fiber optic cables can transmit data at speeds of up to 100 Gbps and beyond, depending on the technology used. Ethernet over twisted pair cables (e.g., CAT5, CAT6) typically support speeds up to 1 Gbps or 10 Gbps. 4G wireless technologies generally support data rates up to 100 Mbps, while 5 GHz Wi-Fi can reach up to 1 Gbps. However, these technologies are still slower compared to fiber optic cables.

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