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试卷名称:思科认证640-802模拟试卷15

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Which two statements describe characteristics of IPv6 unicast addressing?

A．Global addresses start with 2000::/3．

B．Link-local addresses start with FE00:/12．

C．Link-local addresses start with FF00::/10．

D．There is only one loopback address and it is ::1．

E．If a global address is assigned to an interface, then that is the only allowable address for the interface．

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Which term describes a spanning-tree network that has all switch ports in either the blocking or forwarding state? redundant spanned provisioned converged

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Which three approaches can be used while migrating from an IPV4 addressing scheme to an IPV6 scheme． statically map IPV4 address to IPV6 addresses configuration IPv4 tunnels between IPV6 islands use DHCPv6 to map IPV4 addresses to IPV6 addresses use proxying and translation to translate IPV6 packets into IPV4 packets enable dual-stack routing

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Refer to the diagram． All hosts have connectivity with one another． Which statements describe the addressing scheme that is in use in the network? [*] The subnet mask in use is 255．255．255．192． The subnet mask in use is 255．255．255．128． The IP address 172．16．1．25 can be assigned to hosts in VLAN1 The IP address 172．16．1．205 can be assigned to hosts in VLAN1 The LAN interface of the router is configured with one IP address．

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Refer to the exhibit．Which two statements are true of the interfaces on switch1? [*] A hub is connected directly to FastEthernet0/5 FastEthernet0/1 is configured as a trunk link． FastEthernet0/5 has statically assigned mac address Interface FastEthernet0/2 has been disable． Multiple devices are connected directly to FastEthernet0/1．

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the network administrator has been asked to give reasons for moving from ipv4 to ipv6． what are two valid reasons for adopting ipv6 over ipv4? telnet access does not require a password nat no broadcast chanage of destination address in the ipv6 header autoconfiguration

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