Passive Network Monitoring Techniques Flashcards
1
Q
What are passive network monitoring techniques?
A
Methods that observe network traffic without interfering with the flow of data.
2
Q
What is a network tap?
A
A hardware device that passively copies traffic from a network link for monitoring or analysis.
3
Q
What is port mirroring?
A
A switch feature that duplicates traffic from one or more ports to another port for monitoring.
4
Q
What is a trunk port?
A
Used to carry multiple VLANs between switches — not a monitoring method.
5
Q
What is an SNMP trap?
A
A type of alert sent from a device to a monitoring system — active notification, not passive monitoring.
6
Q
What is a registered port?
A
Ports ranging from 1024–49151 assigned by IANA for specific services — unrelated to monitoring.
