A. 5 minutes
B. 30 minutes
C. 60 minutes
D. 90 minutes
第1题:
Asystemisexperiencingpacketroutingproblems,whentheadministratorruns’netstat-nr’thefollowingdefaultroutesaredisplayed:default165.253.251.1UG51601304en8--default192.168.50.1UGH01590450en4--Assumingthefirstrouteiscorrect,howcantheadministratorremovetheincorrectdefaultroute?()
A.routedeletedefault192.168.50.1
B.accesssmitwiththeroute_removeshortcut
C.chdev-linet0-adelroute=net,-hopcount,0,,192.168.50.1
D.flushtheroutingtablefromtheconsoleandconfiguringthe165.253.251.1route
第2题:
7、在DHCP配置文件中,表示默认租期的选项是()
A.default-lease-time
B.option default-lease-time
C.default-time
D.option default-time
第3题:
接上题,下列代码实现对闹铃音的控制: assign alarm_time=stop_bell?(time_equ && (((Second[0]==1'b1) && clk_500) || ((Second[0]==1'b0) && clk_1k))):1'b0; 这个表述可以改写为()。
A.if (stop_bell==1'b1) begin case(Second[0]) 1'b1:alarm_time=clk_500; 1'b0:alarm_time=clk_1k; default:alarm_time=1'b0; endcase end else alarm_time=1'b0;#B.if (stop_bell) if(!time_equ) begin case(Second[0]) 1'b1:alarm_time=clk_500; 1'b0:alarm_time=clk_1k; default:alarm_time=1'b0; endcase end else alarm_time=1'b0; else alarm_time=1'b0;#C.if (stop_bell==1'b1) if(time_equ) begin case(Second[0]) 1'b1:alarm_time=clk_500; 1'b0:alarm_time第4题:
A. traffic - share balanced
B. distance
C. maximum- paths
D. default - network
E. variance
第5题:
17、在DHCP配置文件中,表示默认租期的选项是()
A.default-lease-time
B.option default-lease-time
C.default-time
D.option default-time
第6题:
下面哪个函数可以实现当地时间的设置。()
A.date()
B.time()
C.date_default_timezone_set()
D.settime()