Justinian contributed to the flourishing of the Byzantine empire after Rome's decline by Ofreeing slaves throughout the empire
o
reforming the laws of ancient Rome.
reducing poverty in Constantinople.
reviving the traditions of ancient Greece.

b

i needed 20 letters for this question though i only need one

See Below for the explanation

Explanation:

A passive monitoring system captures traffic from a netword through copying (Example: used to see performance trending)

An Active monitoring system is line activity and auditing done by an independent person (Example: analyzing safety systems for effeciency)