單項(xiàng)選擇題What OSPF command, when configured, will include all interfaces into area 0?（）

A.network 0.0.0.0 255.255.255.255 area 0
B.network 0.0.0.0 0.0.0.0 area 0
C.network 255.255.255.255 0.0.0.0 area 0
D.network all-interfaces area 0


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2.單項(xiàng)選擇題A network administrator creates a layer 3 EtherChannel, bundling four interfaces into channel group 1. On what interface is the IP address configured?（）

A.the port-channel 1 interface
B.the highest number member interface
C.all member interfaces
D.the lowest number member interface

3.單項(xiàng)選擇題What parameter can be different on ports within an EtherChannel?（）

A.speed
B.DTP negotiation settings
C.trunk encapsulation
D.duplex

4.單項(xiàng)選擇題What authentication type is used by SNMPv2?（）

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

5.多項(xiàng)選擇題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.

6.多項(xiàng)選擇題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

7.多項(xiàng)選擇題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

8.單項(xiàng)選擇題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

10.單項(xiàng)選擇題What Netflow component can be applied to an interface to track IPv4 traffic?（）

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