An enterprise has plans to start adding IPv6 support. The initial deployment requires support from some IPv6 - only device s that need to access servers that support only IPv4.
Which of the following tools would be most appropriate?（）

An enterprise h as plans to start adding IPv6 support. For the first year, the IPv6 will be in small pockets spread around the existing large IPv4 network, with occasional IPv6 traffic while applications teams test IPv6 - enabled servers and applications.
Which of the fol lowing tools would be most appropriate?（）

The following output occurs on Router R1 , which runs both EIGRP for IPv6 and OSPFv3, with redistribution from EIGRP into OSPF configured with the redistribute eigrp 1 metric 25 command. Interface S0/0/1 has been enabled for EIGRP ASN 1. Which of the following should be true of redistribution in  this case?（）
D 2000::/64 [90/1422516]
via FE80::213:19FF:FE7B:5026, Serial0/0/
1
C 2000:0:0:1::/64 [0/0]
via Serial0/0/1, directly connected
L 2000::1:213:19FF:FE7B:5004/128 [0/0]
via Serial0/0/1, receive