Answers to Chapter 9 Review Questions

1:	Explain the difference between SNMP polls and traps.
A:	A management station requesting information from a router is polling the router. A router that sends unsolicited information about an event that occurred sends a trap.
2:	If you specify the severity level of messages logged to be errors, what other levels of messages are logged?
A:	Emergencies, Alerts, Critical
3:	You look at a router interface and see that there are unusual traffic patterns. Normally, all traffic is inbound, but now there is outbound traffic. How can you quickly determine the source and destination of the traffic?
A:	Enable IP accounting on the interface. Use the show ip accounting command repeatedly to see which source/destination pair is sending the traffic.