Which of these is a configurable Cisco IOS feature that triggers notifications if an attack attempts to exhaust critical router resources and if preventative controls have been bypassed or are not working correctly?
A.
Control Plane Protection
B.
Management Plane Protection
C.
CPU and memorythresholding
D.
SNMPv3
I think answer C is correct. thresholding is the only feature that Cisco IOS feature has that generate triggered notifications.
http://www.cisco.com/en/US/docs/ios/netmgmt/configuration/guide/nm_cpu_thresh_notif_ps6441_TSD_Products_Configuration_Guide_Chapter.html
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More info for you .
http://www.cisco.com/en/US/docs/ios/12_4t/12_4t4/htcpp.html
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please make clear that what is the correct answer ?
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Answer is in the question
Management Plane Security uses CPU and memeory thresholding.
Answer is C
Control plane provides protection but not thresholding
page 261
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CPU and Memory Thresholding
One of the ways to monitor whether an attack is occurring on a device is through the simple
monitoring of device resources, including CPU and memory utilization. This is done
by configuring the use of CPU or memory threshold monitoring. Both of these features
can be combined with a remote management server to notify an organization when the
CPU and memory conditions on a device become critical.
I think answer c is correct
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The question asks: CONFIGURABLE Cisco IOS feature.
Answer is A
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