A. OSPF area ID
B. OSPF neighbor address
C. OSPF loopback address
D. OSPF authentication type
第1题:
以下程序段的输出结果为 ( )int j=2;switch(j){case 2:System.out.print("two.");case 2+1:System.out.println("three.");breakdefault:System.out.println("value is"+j);break;}
A.two.three.
B.two.
C.three.
D.value is 2
第2题:
A:I have got a pain in my chest. B:You ( )see the doctor.
A. have
B. need
C. should
第3题:
[A] who [B] when [C] where [D] which
第4题:
A. can
B. could
C. might
D. should
第5题:
A.ping
B.Telnet
C.FTP
D.TCP
E.IP
第6题: