单项选择题

Which of the following commands indicates when an interface has a multicast capability？（）

A.lsdev
B.lsattr
C.netstat
D.ifconfig

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单项选择题

When an ICMP redirect is received from a host that is not the current gateway for the route it is redirecting， which of the following options is the most appropriate to conclude？（）

A.The redirect will be ignored
B.The routing table will be altered
C.The ping will fail， followed by other network services.
D.The host， which sent the ICMP redirect， will begin acting as the gateway

单项选择题

When configuring an interface using SMIT and Further Configuration with an IP address and netmask， which of the following outcomes indicates how the routing tables will be affected？（）

A.A subnet route is automatically added
B.A default route is automatically added
C.All other routes are automatically added
D.The routing table is not affected

单项选择题

Which of the following "no options" controls the maximum value of mbufs？（）

A.mtu
B.sb_max
C.thewall
D.tcp_sendspace