How many SCSI ids for peripherals can SCSI-1 support?

How many SCSI ids for peripherals can SCSI-1 support?

A.
5

B.
6

C.
7

D.
8

Explanation:
SCSI-1 support total 7 peripherals. There are several different types of SCSI devices. The original
SCSI specification is commonly referred to as SCSI-1. The newer specification, SCSI-2, offers
increased speed and performance, as well as new commands. Fast SCSI increases throughput to
more than 10MB per second.

Fast-Wide SCSI provides a wider data path and throughput of up to 40MB per second and up to
15 devices.
There there are UltrA. SCSI and UltrA. WidE.SCSI