Which of the following statements about OSPF's Router LSA and Network LSA is wrong? (Multiple choice)

• A.Routers running OSPF must generate Router LSAs
• B.Network LSA carries both topology and routing information
• C.A router running OSPF must generate a Network LSA
• D.There must be both Router LSA and Network LSA in an OSPF network

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What characteristics must a high-risk operating program have? (Multiple choice)

• A.can be returned
• B.have verification
• C.Strong operability
• D.to be precise

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What information can be used to classify complex links at the link layer? (Multiple choice)

• A.802.1p
• B.Port number
• C.Source MAC Address
• D.Destination MAC address

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What is the meaning of the display current-configuration I include vlan command?

• A.View all configurations that contain the \VLAN\ keyword
• B.Check which VLANs are currently created
• C.View the physical interface information bound under each VLAN
• D.View the IP address of the VLANIF interface

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Which of the following are documents that need to be handed over in the wrap-up of a structured network troubleshooting process? (Multiple choice)

• A.Maintenance recommendations to avoid this failure
• B.Troubleshooting Summary Report
• C.Troubleshooting Procedure Documentation

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