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

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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 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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• What is the subnetwork address for a host with the IP address 201.100.5.68/28?（）

  A . 201.100.5.0 B . 201.100.5.32 C . 201.100.5.64 D . 201.100.5.65 E . 201.100.5.31 F . 201.100.5.1

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• What is the first 24 bits in a MAC address called?（）

  A . NIC B . BIA C . OUI D . VAI

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• According to RFC 3180， what is the correct GLOP address for AS456？（）

  A .  224.0.4.86 B .  224.4.86.0 C .  233.1.200.0 D .  239.2.213.0 E .  239.4.5.6

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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 purpose of configuring router R1 with the "IP Helper address" command？（）

  A . IP Helper is used to direct BOOTP clients to a BOOTP server B . IP Helper is used to prevent the router form forwarding IP broadcasts C . IP Helper is used to allow IPX clients to communicate with IP-based servers D . IP Helper is used to accommodate compatibility routers using different IP routing protocols E . None of the other alternatives apply

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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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• What is the network address for a host with the IP address 201.100.5.68/28?（）

  A . 201.100.5.0 B . 201.100.5.32 C . 201.100.5.64 D . 201.100.5.65 E . 201.100.5.31 F . 201.100.5.1

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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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• What is the alternative notation for the IPV6 address B514：82C3：0000：0000：0029：EC7A：0000：EC72？（）

  A . B514：82C3：0029：：EC7A：0000：EC72 B . B514：82C3：0029：EC7A：EC72 C . B514：82C3：：0029：EC7A：0：EC72 D . B514：82C3：：0029：EC7A：EC72

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

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• What is the mechanism that is used to allocate MAC addresses that are assigned to the VDC for the system MAC address？（）   

  A .  NX-OS uses a random MAC address from the IEEE OUI block that is assigned to Cisco. B .  The VDC system MAC is pulled from the active supervisor and concatenated through a hash to ensure uniqueness. C .  NX-OS uses a value that is based on a range that is assigned to the SPROM of the system backplane. D .  The VDC system MAC is based on a range that is allocated to the first line card that is installed in the switch.

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• During the IPv6 autoconfiguration, what does the device append to the 64- bit prefix that it receives from the router to create its IPv6 address?（）

  A . a pseudora ndom generated number B . its locally configured IPv4 address C . the DHCP - supplied device ID D . its MAC addre

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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 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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• What is the purpose of assigning an IP address to a switch?（）

  A . Provides local hosts with a default gateway address B . Allows remote management of the switch. C . Allows the switch to respond to ARP requests between two hosts D . Ensures that hosts on the same LAN can communicate with each other.

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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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• The length of the IPv6 address is （ ）.  

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

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• Router R1 has the following configuration. Assuming R1‘s F0/0 interface has a MAC address of 0200.0011.1111, what IPv6 addresses will R1 list for interface F0/0 in the output of the show ipv6 interface brief command？（）interface f0/0ipv6 address 2345:0:0:8::1/64

  A. 2345:0:0:8::1 B. 2345:0:0:8:0:FF:FE11:1111 C. FE80::8:0:FF:FE11:1111 D. FE80:0:0:8::1

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• Router R1 use s MAC address 1111.1111.1111 for its Fa0/0 interface. An engineer sees the following configuration in the output of a show running - config command. Then, the engineer issues a show ipv6 interface brief command. What global unicast IPv6 address does this c ommand display for interface tunnel 1？（）interface loopback 1ip address 192.168.1.1 255.255.255.255interface tunnel 1tunnel source loopback 1tunnel destination 192.168.1.2tunnel mode ipv6ip isatapipv6 address 2000::/64 eui - 64

  A. 2000::1311:11F F:FE11:1111 B. 2000::C0A5:101 C. 2000:C0A5:101:: D. 2000::5EFE:C0A5:101

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• What issue is NOT addressed in the book？

  A．Saving money on a rain barrel purchase B．Ecological considerations of rain barrels C．Constructing your own rain barrels D．Setting up rain barrels

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