Which IPv6 address is valid?（）

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• Which three are characteristics of an IPV6 anycast address?（）

  A . any-to-many communication model B . delivery of packets to the group interface that is closest to the sending device C . one-to-many communication model D . the same address for multiple devices in the group E . one-to-nearest communication model F . a unique IPV6 address for each device in the grou

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• What is known as "one-to-nearest" addressing in IPv6?（）

  A . global unicast B . anycast C . multicast D . unspecified addre

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• Which of the following is a valid host IPv6 address？ （Choose all that apply.）（）

  A . ff02：a：b：c：：l/64 B . 2001：aaaa： 1234：456c： 1/64 C . 2001：000a：lb2c：：/64 D . 2fff：f：f：f：：f/64 E . ff02：33ab：l：32：：2/128 F . 2001：bad：2345：a：b：：cef/128

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• Which IPv6 address is valid？（）

  A . 2031：0：130F：：9C0：876A：130B B . 2001：0DB8：0000：130F：0000：0000：08G C . 140BC.2001：0DB8：0：130H：：87C：140B D . 2031：：130F：：9C0：876A：130B

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• Which address is the IPV6 all-RIP-routers muticast group address that is used by RIPng as the destaionaddress？（）

  A . FF02：：A B . FF05：：101 C . FF02：：9 D . FF02：：6

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• Which two of these statements are true of IPv6 address representation?（）

  A . There are four types of IPv6 addresses: unicast, multicast, anycast, and broadcast. B . A single interface may be assigned multiple IPv6 addresses of any type. C . Every IPv6 interface contains at least one loopback address. D . The first 64 bits represent the dynamically created interface ID. E . Leading zeros in an IPv6 16 bit hexadecimal field are mandatory.

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• Which three causes could prevent a host from getting an IPv6 address with stateless autoconfiguration？（）

  A . The autoconfig command is missing from the router interface. B . IPv6 multicast routing is not enabled on the router interface. C . IPv6 unicast routing is not enabled on the router interface. D . The router interface is configured with a /63 mask. E . The router interface is configured with a /65 mask.

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• Which of these represents an IPv6 link-local address?（）

  A . FE08::280e:611:a:f14f:3d69 B . FE81::280f:512b:e14f:3d69 C . FE80::380e:611a:e14f:3d69 D . FEFE:0345:5f1b::e14d:3d69

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• Which of the following is a valid representation of the following IPv6 address： 2001：0000：0000：0abc：0000：0000：000a：000b？ Choose the answer with the least number of digits.（）

  A . 2001：0000：0：abc：0000：0000：a：b B . 2001：：abc：：a：b C . 2001：：abc：0：0：000a：000b D . 2001：：0abc：0000：0000：a：b E . 2001：0000：0000：abc：：a：b F . 2001：：abc：0：0：a：

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• What is the IPv6 address FF02::2 used for?（）

  A . all routers in a local segment B . all routers in an autonomous system C . all hosts in a local segment D . all hosts in a particular multicast grou

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• Your company is designing its network. The network will use an IPv6 prefix of 2001:DB8:BBCC:0000::/53.You need to identify an IPv6 addressing scheme that will support 2000 subnets. Which network mask should you use？（）

  A . /61 B . /62 C . /63 D . /64

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• Which option is not a valid method to assign the lowest-order 64-bit field of an IPv6 unicast address？（）

  A . ARP B . manual assignment C . DHCPv6 D . auto-configured based on the 48-bit MAC address E . auto-generated pseudo-random number

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• To enable BGP tunneling over the IPv4 backbone， the IPv4 address 192.168.30.1 is convertedinto a valid IPv6 address. Which three IPv6 addresses are acceptable formats for the IPv4address？ （）

  A . 192.168.30.1：0：0：0：0：0：0 B . 0：0：0：0：0：0：192.168.30.1 C . ：：192.168.30.1 D . C0A8：1E01：： E . 192.168.30.1：： F . ：：C0A8：1E01

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• The company network is in the process of migrating the IP address scheme to use IPv6. Which of the following address types are associated with IPv6?（）

  A . Unicast B . Private C . Broadca st D . Public E . Multicast F . Anycast

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• Which IPv6 address would you ping to determine if OSPFv3 is able to send and receive unicast packets across a link？ （）

  A .  anycast address B .  site-local multicast C .  global address of the link D .  unique local address E .  link-local addre

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• The answers each list a tunnel method and two consecutive IPv6 address quartets.Which answers identify a tunneling method that relies on an IPv4 address to be embedded into an IPv6 address, within the correct quartets listed?（）

  A . Automatic 6to4, quartets 2 and 3 B . Automatic 6to4, quartets 7 and 8 C . ISATAP, quartets 2 and 3 D . ISATAP, quartets 7 and 8

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• What type of IPv6 address is this address： FF05：： 2：260：8FF：FE52：F9D8？（）

  A . multicast temporary node local B . multicast temporary site local C . unicast permanent link local D . multicast permanent node link local E . multicast permanent site local F . unicast temporary link local

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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 of the following is helpful to allow an IPv6 host to learn the IP address of a default gateway on its subnet?（）

  A . Stateful DHCP B . Stateless RS C . Stateless autoconfiguration D . Neighbor Discovery Protocol

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• Your Company has migrated to IPv6 in their network. Which three IPv6 notations represent the same address?（）

  A . 2031::130F::9C0:876A:130B B . 2031:0000:130F:0000:0000:09C0:876A:130 B C . 2031:0:130F:::9C0:876A:130B D . 2031::130F:0::9C0:876A:130B E . 2031:0:130F:0:0:09C0:876A:130B F . 2031:0:130F::9C0:876A:130B

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• Which IPv6 address would you ping to determine if OSPFv3 is able to send and receive unicast packets across a link？（）

  A . anycast address B . site-local multicast C . global address of the link D . unique local address E . link-local addre

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• What is the difference between the IPv6 addresses ：：/0 and ：：/128？（）

  A . ：：/0 is the unspecified address， and ：：/128 is the multicast address B . ：：/0 is the unicast address， and ：：/128 is the anycast address C . ：：/0 is the unicast address， and ：：/128 is the multicast address D . ：：/0 is the anycast address， and ：：/128 is the multicast address E . ：：/0 is the default route， and ：：/128 is the unspecified address F . ：：/0 is the anycast address， and ：：/128 is the default addre

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• Which two are characteristics of an IPv6 multicast address？（）

  A . First （most significant ） octet is FF in hex B . Starts with a prefix of FE80 to FEBF in hex C . Starts with a prefix of FECO to FEFF in hex D . Second octet contains a 4-bit multicast scope field E . Last 64 bit contains the modified MAC address of the Ethernet interface F . Is allocated from the unicast address space

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• The length of the IPv6 address is （ ）.  

  A . 64 bytes B . 128 bytes C . 64 bits D . 128 bits

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