单项选择题
Two islands of IPv6 networks that are running ISIS （IPv6 IGP） must be connected using a tunnel over anIPv4 network. Which tunneling method can be used to achieve this goal？（）
A.GRE tunnels
B.automatic 6 to 4 tunnels
C.ISATAP tunnels
D.manual tunnels （RFC 2893）
相关考题
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多项选择题
Whichtworequirementstodeploy6PEand6VPEsolutionsaremandatory？（）
A.MPLS is enabled on the core， distribution， and edge devices.
B.A triple stack is enabled on PE devices.
C.The network has at least six PE devices.
D.A dual stack is enabled on all the P and PE devices in a network. -
多项选择题
WhichtwostatementsaboutDS-Litearetrue？（）
A.IPv4 packets are carried over IPv6 tunnels to the LSN while IPv6 traffic is forwarded natively.
B.Ipv6 packets are carried over IPv4 tunnels to the LSN while IPv4 traffic is forwards natively.
C.The LSN performs NAT44 on private IPv4 source addresses.
D.DS-Lite does not perform any address translation. -
单项选择题
Whichconfigurationpreventstrafficthatissourcedfromtheuniquelocaladdressscopetobesentoutofthelinktotheupstreamserviceprovider？（）
A.interface Ethernet0/0 I.pv6 traffic-filter NoULA out I.pv6 access-list NoULA Deny ipv6 FC00：：/8 any Permit ipv6 any any
B.interface Ethernet0/0 I.pv6 traffic-filter NoULA out I.pv6 access-list NoULA Deny ipv6 FC00：：/7 anyP ermit ipv8 any any
C.interface Ethernet0/0 I.pv6 access-group NoULA out I.pv6 access-list NoULA Deny ipv6 FC00：：/8 anyP ermit ipv6 any any
D.interface Ethernet0/0 I.pv6 access-group NoULA out I.pv6 access-list NoULA Deny ipv6 FC00：：/7 any Permit ipv6 any any
