While troubleshooting a serial line problem, you enable ppp authentication debugging as shown below:Based on the command output above, what type of ‘handshake‘ was used for PPP authentication?()

第1题

48、@while函数的正确使用格式是

A.condition: @while

B.@while():condition

C.@WHILE(CONDITION: )

D.@while{condition}（）

第2题

语句“while（!x) ...”等价于（）。

A.while(x==0) …

B.while(x!=1) …

C.while(x!=0) ...

D.while(x==1) ...

第3题

while（'a' ) ;是一个死循环。

第4题

___________, a car knocked him down.A. While crossing the streetC. While the boy was cro

A. While crossing the street

B. While the boy was crossing thestreet

C. While crossed the street

D. While crosses the street

第5题

与语句while（!x)等价的语句是（）。

A.while(x==false)

B.while(x==0)

C.while(x!=1）

D.while(--x)

第6题

与语句while（!x);等价的语句是（）

A.while(x= =0);

B.while(x!=1);

C.while(x!=0);

D.while(x==1);

While troubleshooting a serial line problem, you enable ppp authentication debugging as shown below:Based on the command output above, what type of ‘handshake‘ was used for PPP authentication？（）