單項(xiàng)選擇題Which statement is true concerning 6to4 tunneling?()

A. The edge routers can use any locally configured  IPv6 address.
B. Hosts and routers inside a 6to4 site will need a special code.
C. An edge router must use IPv6 address of 2002::/16 in its prefix.
D. IPv4 traffic is encapsulated with an IPv6 header.


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1.多項(xiàng)選擇題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

3.單項(xiàng)選擇題Which command must be globally enabled on a Cisco router to support IPv6?()

A. ip routing ipv6
B. ipv6 unicast - routing
C. ipv6 routing
D. ip classless
E. ipv6 cef

4.多項(xiàng)選擇題Your company plans on migrating their network from IPv4 to IPv6 in the near future. Which three techniques can be used to transition from IPv4 to IPv6?()

A. Dual stack
B. NAT
C. Flow label
D. Mobile IP
E. 6to4 tunneling
F. Anycast
G. MBGP

5.單項(xiàng)選擇題Which command enables OSPF for IPv6?()

A. router ospf ipv6 process - id
B. ipv6 ospf process - id
C. router ospf process - id
D. ipv6 router ospf process - id

6.單項(xiàng)選擇題Your network trainee asks you, in the context of IPv6 and OSPF, what best des cribes a type 9 LSA? What should you tell her?()

A. Link LSA
B. Interarea prefix LSA for ABRs
C. Router LSA
D. Switch LSA
E. Intra - area prefix LSA
F. None of the above

7.單項(xiàng)選擇題What is IPv6 router solicitation?()

A. a request made by a node to join a specified multicast group
B. a request made by a node for its IP address
C. a request made by a node for the IP address of the DHCP server
D. a request made by a node for the IP address of the local router

8.多項(xiàng)選擇題

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

A. 192.168.3 0.1:0:0:0:0:0:0
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

9.單項(xiàng)選擇題

Refer to the exhibit. Based on the output from the show command on RT1which statement is true? ()

A. OSPFv3 uses global IPv6 addresses to establish neighbor adjacencies.
B. RT1 has a subnet mask of 64 bits .
C. RT1 has FastEthernet0/0 set as a DR for network type broadcast.
D. OSPFv3 uses Link - local addresses to establish neighbor adjacencies.
E. RT1does not have a global IPv6 address set on FastEthernet0/0.
F. OSPFv3 uses IPv4 addresses to establish nei ghbor adjacencies.

10.單項(xiàng)選擇題Which statement is true about the command ipv6 ospf 1 area 0?()

A. It must be issued before the network command to enable the OSPF pr ocess for IPv6.
B. It must be issued after the network command to enable the OSPF process for IPv6.
C. It must be issued in router global configuration mode to enable the OSPF process for IPv6.
D. It must be issued in interface configuration mode to ena ble the OSPF process for IPv6.

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Router R1, a branch router, connects to the Internet using DSL. Some traffic flows through a GRE and IPsec tunnel, over the DSL connection, destined for an Enterprise network.Which of the following answers best describes the router's logic that tells the router, for a given packet, to apply GRE encapsulation to the packet?()

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Router R1 lists the following output from a show command. Which of the following is true about R1?()R1# show ip v6 interface f0/0FastEthernet0/0 is up, line protocol is upIPv6 is enabled, link - local address is FE80::213:19FF:FE12:3456No Virtual link - local address(es):Global unicast address(es):2000::4:213:19FF:FE12:3456, subnet is 2000:0:0:4::/64 [EUI]Jo ined group address(es):FF02::1FF02::2FF02::1:FF:12:3456

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An Enterprise rou ter, Ent1, displays the following excerpt from the show ip bgp command. ENT1 has an eBGP connection to an ISP router with address 3.3.3.3 and an iBGP connection to a router with address 4.4.4.4. Which of the following is most likely to be true?()Network  Next Hop Metric LocPrf Weight Path*> 3.3.3.3 0 0 1 1 1 1 218 i

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Which of the following must match for  two directly connected routers running OSPF to establish a neighbor adjacency?()

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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

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Router R1 sits  at an Enterprise branch office, using both the Internet and a leased line to another Enterprise router for its two connectivity options back into the rest of the Enterprise network. The engineer planning for this branch decided to use the leased line for all Enterprise traffic, unless it fails, in which case the Internet connection should be used to pass traffic to the Enterprise.Which of the following is most likely to be useful on the branch router?()

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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?()

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