单项选择题What authentication type is used by SNMPv2?()

A.HMAC-MD5
B.HMAC-SHA
C.CBC-DES
D.community strings


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1.多项选择题What are two enhancements that OSPFv3 supports over OSPFv2? ()

A.It requires the use of ARP.
B.It can support multiple IPv6 subnets on a single link.
C.It supports up to 2 instances of OSPFv3 over a common link.
D.It routes over links rather than over networks.

2.多项选择题What are three factors a network administrator must consider before implementing Netflow in the network?()

A.CPU utilization
B.where Netflow data will be sent
C.number of devices exporting Netflow data
D.port availability
E.SNMP version
F.WAN encapsulation

3.多项选择题What are three values that must be the same within a sequence of packets for Netflow to consider them a network flow?()

A.source IP address
B.source MAC address
C.egress interface
D.ingress interface
E.destination IP address
F.IP next-hop

4.单项选择题What command visualizes the general NetFlow data on the command line?()

A.show ip flow export
B.show ip flow top-talkers
C.show ip cache flow
D.show mls sampling
E.show mls netflow ip

6.单项选择题What Netflow component can be applied to an interface to track IPv4 traffic?()

A.flow monitor
B.flow record
C.flow sampler
D.flow

7.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.

8.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

9.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

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

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