For multiple paths to the same destination network, the router needs to select by comparing the magnitude of the Preference value. If the Preference is the same, then select according to the magnitude of the Cost value.

• A.False
• B.True

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In the network shown in the figure below, from a security perspective, router A refuses to receive OSPF packets and ICMP packets received from the cO/0/1 interface. Which of the following commands can achieve this requirement? (Multiple Choice)

• A.acl rumber 300o rule 5 deny ospf rule 10 deny icmp # interface GigabitEthernet0/0/1 traffic-filter inbound ac1 300o #
• B.acl number 3000 rule 5 deny 89 rule 10 deny 1 interface GigabitEtherneto/0/1 traffic-filter inbound aci 3000
• C.acL rumber 300o rule 5 deny 89 rule 10 deny icmp # interface GigabitEthernet0/0/1 traffic-filter inbound ac1 30oo #
• D.acl rumber 2000 rule 5 deny 89 rule 10 deny 1 # interface GigabitEtherneto/0/1 traffic-filter inbound ac1 2000 #

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The routing table output information of a router is shown in the figure. Which of the following statements is correct? (Multiple choice)

• A.the local router to the NextHop of 10.0.2.2 is 10.0.21.2
• B.the local router to the NextHop of 10.0.2.1 is 10.0.21.2
• C.the local router to the NextHop of 10.0.0.1 is 10.0.12.2
• D.the local router to the NextHop of 10.0.2.2 is 10.0.12.2

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Which of the following statements about Prefix Segment is wrong?

• A.Prefix Segment can be automatically allocated by IGP
• B.Prefix Segment spreads to other network elements through the IGP protocol, which is globally visible and effective
• C.Prefix Segment is used to identify a destination address prefix in the network (Prefix)
• D.Prefix Segment needs to be configured manually

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The IPv6 address 2001: ABEF: 224E: FFE2: BCC0: CD00: DDBE: 8D58 cannot be abbreviated.

• A.False
• B.True

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