單項選擇題Which one of these statements is true of OSPF type 5 LSAs？（）

A.They are used to summarize area routes to other areas.
B.They are used in not-so-stubby areas to propagate external routes.
C.They are used to notify areas of the ASBR.
D.They are flooded to all areas except stub areas （external route）.


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1.單項選擇題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

4.多項選擇題Though many options are supported in EIGRPv6， select two options from the below list that are supported.（）

A.VRF
B.auto-summary
C.per-interface configuration
D.prefix-list support via route-map
E.prefix-list support via distribute-list

5.多項選擇題You are using IPv6， and would like to configure EIGRPv3. Which three of these correctly describe how you can perform this configuration？（）

A.EIGRP for IPv6 is directly configured on the interfaces over which it runs.
B.EIGRP for IPv6 is not configured on the interfaces over which it runs， but if a user uses passive-interface configuration， EIGRP for IPv6 needs to be configured on the interface that is made passive.
C.There is a network statement configuration in EIGRP for IPv6， the same as for IPv4.
D.There is no network statement configuration in EIGRP for IPv6.
E.When a user uses a passive-interface configuration， EIGRP for IPv6 does not need to be configured on the interface that is made passive.
F.When a user uses a non-passive-interface configuration， EIGRP for IPv6 does not need to be configured on the interface that is made passive

6.單項選擇題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

7.單項選擇題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.多項選擇題Modified deficit round robin supports which of these functionalities？（）

A.priority queue
B.weighted fair queues
C.round-robin service of output queues
D.LLQ

9.單項選擇題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.單項選擇題NBAR supports all of these with the exception of which one？（）

A.HTTP
B.IP multicast
C.TCP flows with dynamically assigned port numbers
D.non-UDP protocols