Based on the network diagram, (click on exhibit) what is the command to use on CR1 to setup a default static route to R1?

• A.config router static-route 0.0.0.0 next-hop 10.2.3.2
• B.config router static-route 0.0.0.0/0 next-hop 10.2.3.2
• C.config router default-route 10.2.3.2
• D.config router static-route 0.0.0.0 next-hop 192.168.2.0
• E.config router static-route 10.2.3.2 next-hop 0.0.0.0/0

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What ICMP message type will a router use to indicate to a host that an IP datagram sourced from that host cannot be delivered?

• A.Echo Request.
• B.Destination Unreachable.
• C.Router redirect.
• D.Echo Reply.

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In the diagram, R3 receives an LSA with sequence number 112 from R7 and installs it in its link state database. 10 ms. Later it receives a copy of the same LSA with a sequence number of 111 from R1. What does R3 do with the LSA from R1?

• A.R3 installs the LSA received from R1 in its link state database, sends an ACK to R1 and floods a copy to its neighbors.
• B.R3 installs the LSA received from R1 in its link state database and floods a copy to its neighbors.
• C.R3 discards the LSA received from R1 and sends a copy of the LSA from its link state base to R1.
• D.R3 discards the LSA received from R1 and sends an ACK to R1.

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Which of the following statements about IP addressing is TRUE?

• A.IP addresses are assigned by IEEE to vendors.
• B.Classless IP addresses provide hierarchy based on a variable length subnet mask.
• C.Classless IP addresses provide hierarchy based on fixed subnet masks of /24, /16, and /8.
• D.IP addresses provide hierarchy based on the country code and regional identifier.

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Which of the following are FALSE statements about the OSPF routing protocol? Choose two.

• A.OSPF is a link state protocol with fast convergence.
• B.OSPF does not support VLSM.
• C.OSPF supports hierarchy with multiple areas.
• D.OSPF supports neighbor authentication.
• E.The default metric for OSPF is hop count.

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