多项选择题

The switches shown in the diagram, Core and Core2, are both Catalyst 2950s. The addressing scheme for each company site is as follows:Router Ethernet port - 1st usable addressCore - 2nd usable addressCore2 - 3rd usable addressFor this network, which of the following commands must be configured on Core2 to allow it to be managed remotely from any subnet on the network? ()

A.Core2(config)# interface f0/0  Core2(config-if)# ip address 192.168.1.10 255.255.255.248
B.Core2(config)# interface vlan 1 Core2(config-if)# ip address 192.168.1.11 255.255.255.248
C.Core2(config)# line con 0 Core2(config-line)# password cisco
D.Core2(config)# line vty 0 4 Core2(config-line)# password cisco
E.Core2(config)# ip default-gateway 192.168.1.9
F.Core2(config)# ip route 0.0.0.0 0.0.0.0 192.168.1.8



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B.a backup route,stored in the routingt able
C.a backup route,stored in the topology table
D.A primary route,stored in the topology table

2.单项选择题无类路由协议路由表表目为三维组,其中不包括()。

A.子网掩码
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6.多项选择题Which statements describe the routing protocol OSPF? ()

A.It supports VLSM.
B.It is used to route between autonomous systems.
C.It confines network instability to one area of the network.
D.It increases routing overhead on the network.
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F.It is simpler to configure than RIP v2.

7.多项选择题Host 1 is trying to communicate with Host 2. The e0 interface on Router C is down. Which of the following are true (Choose two.)()。

A.Router C will use ICMP to inform Host 1 that Host 2 cannot be reached
B.Router C will use ICMP to inform Router B that Host 2 cannot be reached
C.Router C will use ICMP to inform Host 1, Router A, and Router B that Host 2 cannot be reached
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8.单项选择题Which IPV6 routing protocol uses multicast group FF02::8 to send updates?()

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9.多项选择题What information does a router running a link-state protocol use to build and maintain its topological database?()

A.hello packets
B.SAP messages sent by other routers
C.LSAs from other routers
D.beacons received on point-to-point links
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F.TTL packets from designated routers

10.多项选择题OSPF routing uses the concept of areas. What are the characteristics of OSPF areas? ()

A.Each OSPF area requires a loopback interface to be configured.
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