單項(xiàng)選擇題

Which statement is true, as relates to classful or classless routing?（）

A. Automatic summarization at classful boundries can cause problems on discontinuous subnets
B. EIGRP and OSPF are classful routing protocols and summarize routes by default
C. RIPv1 and OSPF are classless routing protocols
D. Classful routing protocols send the subnet mask in routing updates

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單項(xiàng)選擇題

Which device might be installed at a branch office to enable and manage an IPsec site-to-site VPN?（）

A. Cisco IOS IPsec/SSL VPN client
B. Cisco VPN Clinet
C. ISDN terminal adapter
D. Cisco Adaptive Security Appliance

單項(xiàng)選擇題

At which layer of the OSI model is RSTP used to prevent loops?（）

A. data link
B. network
C. physical
D. transport

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Which statement is true, as relates to classful or classless routing?（）

你可能感興趣的試題

Which device might be installed at a branch office to enable and manage an IPsec site-to-site VPN?（）

At which layer of the OSI model is RSTP used to prevent loops?（）

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