Question as presented: Match each VNF term to its description.

| interrupt request (IRQ) | peripheral device |
| kernel | hardware signal sent to the CPU by an I/O device |
| I/O device | memory access method |
| direct memory access (DMA) | core part of an operating system |
Related exam: CCNP Core Networking: Modules 27 - 29 Checkpoint Exam: Virtualization, Automation, and Programmability Exam
