單項(xiàng)選擇題
A.filter B.nat C.mangle D.raw
A.-A B.-D C.-I D.-P
A.iptables B.iptable C.DNS D.SSH
A.12345 B.16 C.111111 D.123456
A.grep“^$”/etc/httpd/conf/httpd.conf B.sed-i“/^$/d”/etc/httpd/conf/httpd.conf C.awk-i“/^$/d”/etc/httpd/conf/httpd.conf D.cut“/^$/d”/etc/httpd/conf/httpd.conf
A.[-xfile] B.[-ffile] C.[-rfile] D.[-wfile]
A.表 B.鏈 C.規(guī)則 D.分隔符
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