题目内容

子网掩码为255.255.255.192,主机地址为210.29.227.14,则在该子网掩码下最多可以容纳多少个主机?

A. 254
B. 126
C. 62
D. 30

查看答案
更多问题

30. The Internet allows rural school children______about what is happening in the world.

A) to learn
B) learning
C) learn
D) learned

31. The grocery store has been closed down since no one wanted to ______ the business.

A) put up
B) give off
C) take over
D) bring about

32. The CEO said that it would never be ______ late to apologize for its poor service.

A) much
B) too
C) so
D) very

33. The president gave a detailed ______of his proposal at the meeting.

A) explanation
B) search
C) balance
D) word

答案查题题库