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Question 70 - JN0-335 discussion

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You want to set up JSA to collect network traffic flows from network devices on your network.

Which two statements are correct when performing this task? (Choose two.)

A.
BGP FlowSpec is used to collect traffic flows from Junos OS devices.
Answers
A.
BGP FlowSpec is used to collect traffic flows from Junos OS devices.
B.
Statistical sampling increases processor utilization
Answers
B.
Statistical sampling increases processor utilization
C.
Statistical sampling decreases event correlation accuracy.
Answers
C.
Statistical sampling decreases event correlation accuracy.
D.
Superflows reduce traffic licensing requirements.
Answers
D.
Superflows reduce traffic licensing requirements.
Suggested answer: A, C

Explanation:

The two correct statements when performing this task are A. BGP FlowSpec is used to collect traffic flows from Junos OS devices, and C. Statistical sampling decreases event correlation accuracy. BGP FlowSpec is a Junos OS feature that allows network devices to send traffic flow information to a Juniper security device using BGP. This allows the Juniper security device to monitor and collect the traffic flows and analyze them for suspicious activity. Statistical sampling increases processor utilization by selecting only a subset of the data to be analyzed, which can help reduce the amount of data sent to the security device. However, this also decreases the accuracy of event correlation, as some events may be missed due to the sampling. Superflows reduce traffic licensing requirements by offloading the processing of certain traffic flows to the device itself, instead of having it sent to the security device.

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asked 18/09/2024
Shaun Kilmartin
26 questions
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