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【单项选择题】

When a local loopback is activated on a PPP serial link, what indicates that the local interface is good?()

A、A.A ping to the local address succeeds.

B、B.A ping to the remote address succeeds.

C、C.A ping to the remote address received a 'TTL expired' message.

D、D.The interface shows a flag indicating that a loop is detected.

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第2题

A、Set the encapsulation of the interface to HDLC  B、Place the CSU/DSU in local-loop mode  C、Enable local-loop mode on the DCE Frame Relay router  D、Verify that the encapsulation is set to Frame Relay  

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第3题

A、It is the address used by default as the local address for broadcast and multicast packets sourced locally and sent out of the interface  B、You use the primary address when you have multiple IP addresses belonging to the same subnet on the same interface  C、It can be useful for selecting the local address used for packets sent out of unnumbered interfaces when multiple non-127 addresses are configured on the loopback interface  D、By default, the primary address on an interface is selected as the numerically highest local address configured on the interface  

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第4题

A、It is the address used by default as the local address for broadcast and multicast packets sourced locally and sent out of the interface  B、You use the primary address when you have multiple IP addresses belonging to the same subnet on the same inteface  C、It can be useful for selecting the local address used for packets sent out of unnumbered interfaces when multiple non-127 addresses are configured on the loopback interface  D、By default, the primary address on an interface is selected as the nmerically highest local address configured on the interface  

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第5题

A、It is the address used by default as the local address for broadcast and multicast packets sourced locally and sent out of the interface.  B、You use the primary address when you have multiple IP addresses belonging to the same subnet on the same interface.  C、It can be useful for selecting the local address used for packets sent out of unnumbered interfaces when multiple non-127 addresses are configured on the loopback interface.  D、By default, the primary address on an interface is selected as the numerically highest local address configured on the interface.  

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第6题

A、mount host:/home/bin /usr/local/bin  B、mount client:/home/bin /usr/local/bin  C、mount -n host /usr/local/bin /home/bin  D、mount -o host:/usr/local/bin /home/bin  

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第7题

A、mount host:/usr/local/bin /home/bin  B、mount client:/home/bin /usr/local/bin  C、mount -o client:/usr/local/bin /home/bin  D、mount -n host:/home/bin /usr/local/bin  

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第8题

A、Locale locale=new Locale("ko","");  B、Locale locale=new Locale("ja","");  C、Locale locale=new Locale("en","US");  D、Locale locale=new Locale("zh","");  E、Locale locale=new Locale("es","");  

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