单项选择题
The maxmbuff is low by default for systems expecting high network traffic and/or usage. Which of the following utilities should be used to report requests for mbufs that have failed and/or been denied？（）
A. no
B. ping
C. netstat
D. ifconfig
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A. filemon
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Whichofthefollowingcommandscanbeusedtocleanupafailedsoftwareinstallationprocess？（）
A. installp -D
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Whichofthefollowingcommandscanbeusedtoreviewthesystemerrorlogs？（）
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