单项选择题During the IPv6 address resolution, a node sends a neighbor solicitation message in order to discover which of these? ()

A. The Layer 2 multicast address of the destination node
B. The solicited node multicast address of the destination node
C. The Layer 2 address of the destination node based on the destination IPv6 address
D. The IPv6 address of the destination node based on the destination Layer 2 address


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2.多项选择题Which two of the following are considered valid router IDs for EIGRPv6?()

A.0.0.0.1
B.0.255.0.1
C.2001:DB8::1
D.2001:DB8:ABCD:FEEF::1

3.多项选择题Which two IPv6 address pairs can be assigned on a point-to-point link with a /125 mask?()

A.2001:DB8::1 and 2001:DB8::2
B.2001:DB8::9 and 2001:DB8::10
C.2001:DB8::10 and 2001:DB8::17
D.2001:DB8::1 and 2001:DB8::18

4.多项选择题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.

5.单项选择题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 address

6.多项选择题Which two combinations are valid PAgP configurations that will set up a PAgP channel?()

A.On-Passive
B.On-Auto
C.Passive-Active
D.Desirable-Auto
E.Active-Active
F.Desirable-Desirable

7.单项选择题Which information is carried in an OSPFv3 intra-area-prefix LSA? ()

A. IPv6 prefixes
B. link-local addresses
C. solicited node multicast addresses
D. IPv6 prefixes and topology information

8.单项选择题Which of these statements best describes the major difference between an IPv4-compatible tunnel and a 6to4 tunnel? ()

A. An IPv4-compatible tunnel is a static tunnel, but an 6to4 tunnel is a semiautomatic tunnel.
B. The deployment of a IPv4-compatible tunnel requires a special code on the edge routers, but a 6to4 tunnel does not require any special code.
C. An IPv4-compatible tunnel is typically used only between two IPv6 domains, but a 6to4 tunnel is used to connect to connect two or more IPv6 domains.
D. For an IPv4-compatible tunnel, the ISP assigns only IPv4 addresses for each domain, but for a 6to4 tunnel, the ISP assigns only IPv6 addresses for each domain.

10.单项选择题Which of these best identifies the types of prefixes a router running BGP will advertise to an EBGP peer? ()

A. prefixes received from any other BGP peer and prefixes locally originated via networkstatements or redistributed to BGP
B. all prefixes in its IP routing table
C. only prefixes received from EBGP peers and prefixes locally originated via network statements or redistributed
D. only prefixes received from EBGP peers and prefixes received from route reflectors
E. all prefixes in its routing table except the prefixes received from other EBGP peers
F. all prefixes in its routing table except the prefixes received from other IBGP peers

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