What are three reasons to collect Netflow data on a company network? (Choose three.)
A.
To identify applications causing congestion
B.
To authorize user network access
C.
To report and alert link up / down instances
D.
To diagnose slow network performance, bandwidth hogs, and bandwidth utilization
E.
To detect suboptimal routing in the network
F.
To confirm the appropriate amount of bandwidth that has been allocated to each Class of
Service
Explanation:
NetFlow facilitates solutions to many common problems encountered by IT professionals.
+ Analyze new applications and their network impact
+ Reduction in peak WAN traffic
+ Troubleshooting and understanding network pain points
Diagnose slow network performance, bandwidth hogs and bandwidth utilization quickly with command line interface or reporting tools.
+ Detection of unauthorized WAN traffic
Avoid costly upgrades by identifying the applications causing congestion.
+ Security and anomaly detection
NetFlow can be used for anomaly detection and worm diagnosis along with applications such as Cisco CS-Mars.
+ Validation of QoS parameters
Confirm that appropriate bandwidth has been allocated to each Class of Service (CoS) and that no CoS is over- or under-subscribed.
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Netflow can validate bandwth allocated to each CoS
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Netflow identify the applications causing congestion
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