What Netflow component can be applied to an interface to track IPv4 traffic?（）

多项选择题What are three reasons to collect Netflow data on a company network?（）

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.

多项选择题Which three statements about the features of SNMPv2 and SNMPv3 are true?（）

A.SNMPv3 enhanced SNMPv2 security features
B.SNMPv3 added the Inform protocol message to SNMP
C.SNMPv2 added the Inform protocol message to SNMP
D.SNMPv3 added the GetBulk protocol messages to SNMP
E.SNMPv2 added the GetBulk protocol message to SNMP
F.SNMPv2 added the GetNext protocol message to SNMP

单项选择题What command instructs the device to timestamp Syslog debug messages in milliseconds?（）

A.service timestamps log datetime localtime
B.service timestamps debug datetime msec
C.service timestamps debug datetime localtime
D.service timestamps log datetime msec

单项选择题What is the default Syslog facility level?（）

A.local4
B.local5
C.local6
D.local7

多项选择题A network administrator enters the following command on a router: logging trap 3. What are three message types that will be sent to the Syslog server? （）

A.informational
B.emergency
C.warning
D.critical 
E.debug
F.error