Introducing Cisco Data Center Networking (DCICN, legacy) — Question 32

How many wires does each PCle lane have?

Answer options

• A. Two
• B. Four
• C. Eight
• D. Sixteen

Correct answer: B

Explanation

Each PCIe lane consists of four wires: two for transmitting data and two for receiving data. The other options, A, C, and D, incorrectly state the number of wires per lane, as they do not reflect the standard configuration of PCIe lanes.