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Exam 010-151 topic 1 question 8 discussion

Actual exam question from Cisco's 010-151
Question #: 8
Topic #: 1
[All 010-151 Questions]

Which two statements about PCIe are true? (Choose two.)

  • A. The PCIe link is built around dedicated unidirectional couples of serial, point-to-point connections known as lanes.
  • B. You can install a PCI Express x8 adapter into an x4 slot.
  • C. The PCIe standard is a bus-based system in which all the devices share the same bidirectional, 32-bit or 64-bit, parallel signal path.
  • D. The PCIe 1.0 standard doubles the transfer rate compared to PCIe 2.0.
  • E. A link that is composed of four lanes is called an x4 link.
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Suggested Answer: AE 🗳️
by kuothmaar at Jan. 11, 2025, 10:47 a.m.

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kuothmaar
4 days, 13 hours ago
Selected Answer: AB
A is true because PCIe uses dedicated lanes for unidirectional, serial communication between devices. B is true because PCIe slots are backward compatible. You can install a PCIe x8 adapter into an x4 slot, but the adapter will operate at the lower x4 speed.
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