單項(xiàng)選擇題

What is the purpose of the OSPF hello packet？（）

A. advertises reachable networks
B. acknowledges the receipt of update packets
C. establishes and maintains neighbor relationships
D. describes the contents of the link-state database

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多項(xiàng)選擇題

What are the three OSPF authentication methods supported on the ERX Edge Router？（）

A. null password
B. simple password
C. message digest 5
D. Password Authentication Protocol
E. Challenge Handshake Authentication Protocol

單項(xiàng)選擇題

When configuring OSPF on the ERX， what is the default auto-cost reference-bandwidth value？（）

A. 1 Mbps
B. 10 Mbps
C. 100 Mbps
D. 1000 Mbps

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What is the purpose of the OSPF hello packet？（）

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What are the three OSPF authentication methods supported on the ERX Edge Router？（）

When configuring OSPF on the ERX， what is the default auto-cost reference-bandwidth value？（）

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What are the three OSPF authentication methods supported on the ERX Edge Router？（）

When configuring OSPF on the ERX， what is the default auto-cost reference-bandwidth value？（）