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【多选题】
交换机SWA的端口E1/0/1连接有PC。如果想要使交换机通过802.1X协议对PC进行本地验证,则需要在交换机上配置哪些命令?
A.
[SWA]dot1x
B.
[SWA]dot1xinterfaceethernet1/0/1
C.
[SWA]local-userlocaluser
D.
[SWA-luser-localuser]passwordsimplehello
E.
[SWA-luser-localuser]service-typelan-access
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参考答案:
举一反三
【简答题】电路如图 所示,已知 I S1 =5A , R 1 =2Ω , I S2 =5A , R 2 =1Ω , R 3 =2Ω 。试用电压源与电流源等效变换的方法求 R 3 中的电流 I 3 。
【单选题】The Great Pyramid ______ nearly five thousand years ago is located on the west bank of the Nile River.
A.
built
B.
was built
C.
building
D.
was building
【简答题】Jim:The Great wall looks great. ______.Lucy:It was first built about twenty-five hundred years ago.
【单选题】已知字符‘A’的ASCII代码是65,字符变量c1的值是‘A’,c2的值是'D',执行语句printf("%d,%d",c1,c2-2);后,输出
A.
A,B
B.
A,68
C.
65,68
D.
65,66
【简答题】Great changes_________ (happen) in this city in the last five years.
【单选题】已知字符 ‘A’ 的 ASCII 代码值是 65 ,字符变量 c1 的值是 ‘A’ , c2 的值是 ‘D’ 。则执行语句 printf(" % d, % d" , cl , c2-2) ;的输出结果是 ( )。
A.
65 , 68
B.
A . 68
C.
A , B
D.
65 , 66
【单选题】The five great tragedies written by Shakespeare are Romeo and Juliet, Hamlet, Macbeth, Othello and______.
A.
King Lear
B.
Julius Caesar
C.
Twelfth Night
D.
Antony and Cleopatra
【单选题】There____a great number of students over there. The number of the Students ________five thousand.
A.
is; are               
B.
are; is              
C.
are; are
【单选题】已知字母‘A’的十进制ASCII代码值为65,下面程序段的输出是 char ch1, ch2; ch1=‘A’+‘5’-‘3’; ch2=‘A’+‘6’-‘3’; printf("%d,%c\n",ch1,ch2); 说明:显示的ch1值是对应ASII整数值,ch2是字符
A.
67, D
B.
C, 68
C.
不确定的值
D.
C, D
【单选题】电压负反馈加电流正反馈的直流调速系统中,电流正反馈环节( )反馈环节。
A.
是补偿环节,而不是
B.
不是补偿环节,而是
C.
是补偿环节,也是
D.
是补偿环节,也不是
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