oSPF is a very popular protocol. In the case of regular networking and correct configuration, routing calculations generally do not make mistakes. Which of the following reasons may cause 0SPF neighbors no

• A.Interface OSPF MTU configuration is different
• B.The 0SPF network types at both ends of the link are inconsistent
• C.Neighbors have the same Router ID
• D.The link works abnormally

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When a large number of IP phones and WLAN APs exist on a network, which of the following switches is used?

• A.Switches supporting STP edge ports
• B.Switches supporting QoS
• C.Switches supporting SACG
• D.Switches supporting PoE

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Which of the following causes for VRRP group flapping is the most impossible?

• A.The interval for sending VRRP Advertisement packets is small.
• B.The link where VRRP Advertisement packets are transmitted changes from Up to Down frequently.
• C.Association between VRRP and BFD is configured to implement a rapid master/backup switchover.
• D.VRRP packets are discarded randomly because congestion occurs.

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Which of the following does not require customers' signing in a migration project?

• A.Finalized migration solution
• B.Change notification form
• C.Change application form
• D.Migration completion report

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Determining members in the project team is one of tasks in the implementation stage.

• A.FALSE
• B.TRUE

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