题目内容

关闭防火墙应在哪个节点执行哪条语句?( )

A. 【controller/compute】 systemctl stop firewalld
B. 【controller/compute】systemctl disable firewalld
C. 【controller】 systemctl stop firewalld
D. 【compute】 systemctl stop firewalld

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设置防火墙开机不自启应在哪个节点执行哪条语句?( )

A. 【controller/compute】 systemctl stop firewalld
B. 【controller/compute】systemctl disable firewalld
C. 【controller】 systemctl disable firewalld
D. 【compute】 systemctl disable firewalld

关于防火墙命令,设置防火墙开机不自启动的命令是?( )

A. systemctl stop firewalld
B. systemctl diable firewalld
C. systemctl stop firewall
D. systemctl disable firewall

下列哪条命令可以查询防火墙状态?( )

A. systemctl stop firewalld
B. systemctl disable firewalld
C. systemctl status firewalld
D. 以上都可以

下列哪条命令是安装ftp服务的?( )

A. systemctl start vsftpd
B. systemctl enable vsftpd
C. yum remove vsftpd –y
D. yum install vsftpd –y

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