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Of any state of assigned ipv6 addresses and there is

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of any state of assigned IPv6 addresses, and there is no need for state refreshment as result.On network media supporting a large number of hosts associated to a single DHCPv6 server,this could mean a significant reduction in DHCPv6 messages due to the reduced need foraddress state refreshments. From Cisco IOS 12.4(15)T onwards the client can also receivetiming information, in addition to the "additional parameters" through DHCPv6. This timinginformation provides an indication to a host when it should refresh its DHCPv6 configurationdata. This behavior (RFC4242) is particularly useful in unstable environments where changesare likely to occur.QUESTION:233Which value is indicated by the next hop in a routing table?A. preference of the route sourceB. IP address of the remote router for forwarding the packetsC. how the route was learnedD. exit interface IP address for forwarding the packetsAnswer(s):DExplanation:The routing table contains network/next hop associations. These associations tell a router that aparticular destination can be optimally reached by sending the packet to a specific router thatrepresents the "next hop" on the way to the final destination. The next hop association can alsobe the outgoing or exit interface to the final destination.QUESTION:234Which statement about routing protocols is true?A. Link-state routing protocols choose a path by the number of hops to the destination.B. OSPF is a link-state routing protocol.C. Distance-vector routing protocols use the Shortest Path First algorithm.D. IS-IS is a distance-vector routing protocol.
100-105162Answer(s):AExplanation:Link State Routing ProtocolsLink state protocols are also called shortest-path-first protocols. Link state routing protocolshave a complete picture of the network topology. Hence they know more about the wholenetwork than any distance vector protocol.Three separate tables are created on each link state routing enabled router. One table is usedto hold details about directly connected neighbors, one is used to hold the topology of the entireinternetwork and the last one is used to hold the actual routing table. Link state protocols sendinformation about directly connected links to all the routers in the network. Examples of Linkstate routing protocols include OSPF - Open Shortest Path First and IS-IS - IntermediateSystem to Intermediate System. There are also routing protocols that are considered to behybrid in the sense that they use aspects of both distance vector and link state protocols.EIGRP - Enhanced Interior Gateway Routing Protocol is one of those hybrid routing protocols.QUESTION:235Which statement about static routes is true?A. The source interface can be configured to make routing decisions.B. A subnet mask is entered for the next-hop address.C. The subnet mask is 255.255 255.0 by defaultD. The exit interface can be specified to indicate where the packets will be routed.

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