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Which two fields are defined in the NetFlow flow? (Choose two)
- A . type of service byte
B. class of service bits
C. Layer 4 protocol type
D. destination port
E. output logical interface
Suggested Answer: A, D
Explanation:
Cisco standard NetFlow version 5 defines a flow as a unidirectional sequence of packets that all share seven values which define a unique key for the flow:
+ Ingress interface (SNMP ifIndex)
+ Source IP address
+ Destination IP address
+ IP protocol
+ Source port for UDP or TCP, 0 for other protocols
+ Destination port for UDP or TCP, type and code for ICMP, or 0 for other protocols
+ IP Type of Service
Note: A flow is a unidirectional series of packets between a given source and destination.
Explanation:
Cisco standard NetFlow version 5 defines a flow as a unidirectional sequence of packets that all share seven values which define a unique key for the flow:
+ Ingress interface (SNMP ifIndex)
+ Source IP address
+ Destination IP address
+ IP protocol
+ Source port for UDP or TCP, 0 for other protocols
+ Destination port for UDP or TCP, type and code for ICMP, or 0 for other protocols
+ IP Type of Service
Note: A flow is a unidirectional series of packets between a given source and destination.
Posted : 06/02/2023 5:25 pm