【单选题】关闭防火墙的命令是
A.
systemctl stop firewalld
B.
systemctl stop firewall
C.
systemctl stop fanghuoqiangd
D.
systemctl stop fanghuoqiang
【单选题】Centos7.5中关闭防火墙的命令
A.
systemctl stop firewalld.service
B.
systemctl disable firewalld.service
C.
systemctl enable firewalld.service
【单选题】循环队列用数组A[M]存放元素,已知其头尾指针分别为front和rear,则当前队列中的元素个数是 ( ) 。
【单选题】关闭防火墙的命令是()
A.
systemctl stop firewalld
B.
systemctl stop firewalld.service
C.
systemctl firewalld stop
D.
systemctl enable firewalld
【简答题】循环队列用数组data[max]存放其元素值,已知其头、尾指针分别是front和rear,则当前队列中元素的个数是A. (rear-front+max)%max
【单选题】循环队列用数组 A[M] 存放元素,已知其头尾指针分别为 front 和 rear ,则当前队列中的元素个数是 ( ) 。