A. Multiple action modifiers can be included in the same term.
B. Only a single action modifier can be included in the same term.
C. If an action modifier exists without a terminating action, matching packets will be accepted.
D. If an action modifier exists without a terminating action, matching packets will be discarded.
第1题:
下列复选框构造方法,错误的是()。
A.setLayout(newGridLayout(3,1));
B.add(newCheckbox("one",null,true));
C.add(newCheckbox("tWO");
D.add(newCheckbox("one",true);
第2题:
12. About_______ of the workers in the factory were born in the __________.
A. two- thirds;1970
B. two- thirds ; 1970s
C. two-third ; 1970
D. two-third ; 1970s
第3题:
在防火墙中永久开放FTP服务的命令是
A.firewall-cmd --add-service=ftp
B.firewall-cmd --permanent --add-service=ftp
C.firewall-cmd --permanent --service=ftp
D.firewall-cmd --permanent --add-service-ftp
第4题:
About ________ of the workers in the factory were born in the ________.
A.two-thirds, 1970 B.two-thirds, 1970s C.two-third,1970 D.two-third, 1970s
第5题:
第6题:
重新加载防火墙的命令是()。
A.firewall-cmd --start
B.firewall-cmd --reload
C.firewall-start --reload
D.firewall-cmd --enable