What is an important countermeasure to consider when hardening network devices and servers to reduce the effectiveness of unauthorized network scanning?
A.
Filter inbound logging and auditing configuration of all network devices.
B.
Filter inbound Internet Control Message Protocol (ICMP) messages at the network edge.
C.
Filter outbound logging and auditing configuration of all network devices.
D.
Filter outbound Internet Control Message Protocol (ICMP) messages at the network edge.
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