A new polling application was installed last week. This application monitors some of the routing
characteristics on your edge and aggregation devices. Since that time, you have been receiving
CPU threshold utlization alerts between 1 and 4 a.m. every day from multiple edge and
aggregation devices. What is the most likely cause of CPU spikes, in light of the specified changes
and assuming that no other changes happened in the network?
A.
The large number of VPN routes that are exchanged among these routes is causing CPU
spikes.
B.
SNMP get queries are causing the CPU spikes in these devices.
C.
A DoS attack on the network is causing CPU spikes.
D.
Configuration changes from provisioning processes are causing CPU spikes.
E.
Too many syslog messages generated from these devices are causing CPU spikes.
Explanation: