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.