On a broadcast network, if the DR priorities of two interfaces connecting two routers are set to 0, in which of the following states will the OSPF neighbor relationship stay?

• A.Full
• B.Down
• C.2-way
• D.Exchange

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What is the router ID length supported by OSPFv3?

• A.128 bits
• B.64 bits
• C.100 bits
• D.32 bits

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In the admission design for large- and medium-sized campus networks, which of the following authentication modes can be used for PCs connected to IP phones?

• A.MAC address authentication
• B.802.1X authentication
• C.Multi-mode authentication
• D.Portal authentication

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What is the wrong description of the function of OSPFv3 protocol authentication?

• A.OSPFv3 authentication relies on IPv6 packet authentication headers and encapsulation security net load headers
• B.Huawei router OSPFv3 IPSec authentication can not only support transmission mode, but also support tunnel mode
• C.The OSPFv3 protocol header removes the Type and Automation fields
• D.OSPFv3 can only establish a security alliance SA using manual mode

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Free mobility implements policy management and permission control based on users' VLAN IDs and IP addresses.

• A.TRUE
• B.FALSE

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