启动dns服务的命令是（ ）。 A: systemctl start dns.service B: systemctl start unbound.service C: systemctl status dns.service D: systemctl status unbound.service

下列哪个命令可以启动DNS服务　。 A: service named start B: service name start C: service dns start D: /etc/init.d/dns start

下列（）命令可以启动DNS服务 A: systemctl start named B: service dns start C: systemctl start dns D: service start named

下列( )命令可以启动DNS服务。 A: service named start B: /etc/init.d/named status C: service dns start D: /etc/init.d/dns start

重新启动DNS服务器的命令是() A: systemctl restart  named.service B: systemctl stop named.service C: systemctl restart dns.service D: systemctl start named.service

启动DNS服务的命令是( )。 A: service bind restart B: service bind start C: service named start D: server named start

RHEL6中启动DNS服务的守护进程的命令（ ） A: service httpd start B: service httpd stop C: service named start D: service named stop

( )命令可以启动DNS服务。 A: systemctl start named B: systemctl restart named C: service dns start D: /etc/init.d/dns start

5.域名系统DNS的含义是 A: Domain Name Service B: Direct Network System C: Dynamic Network System D: Distributed Network Service

26.域名系统DNS的含义是 ( )。 A: A、Direct Network System B: B、Domain Name Service C: C、Dynamic Network System D: D、Distributed Network Service