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【判断题】
接触网直接供电方式对沿线的通信线路不会产生干扰影响。A.
正确
B.
错误
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举一反三
【简答题】Jessica Vicino
【简答题】What colors does Don want for the display unit?
【单选题】Jessica carried coals to Newcastle.
A.
Jessica把煤运到Newcastle去了。
B.
Jessica多此一举。
C.
Jessica把煤运到新城堡去了。
D.
Jessica雪中送炭。
【单选题】What is the purpose of the note to Jessica?
A.
Linna wants to buy a book from Jessica.
B.
Linna wants to borrow a book from Jessica.
C.
Linna wants to introduce a book to Jessica.
D.
Linna wants to give the book as a gift to Jessica.
【单选题】What does the command show | compare rollback 1 display?（）
A.
the difference between the current candidate configuration and the candidate configuration from one commit ago
B.
the difference etween the current active configuration and the active configuration from the one commit ago
C.
the difference between the current active configuration and the active configuration from one commit ago
D.
the difference between the current candidate configuration and the archived configuration from one commit ago
【单选题】What does the command show compare rollback 1 display?（）
A.
the difference between the current candidate configuration and the candidate configuration from one commit ago
B.
the difference between the current active configuration and the current candidate configuration
C.
the difference between the current active configuration and the active configuration from one commit ago
D.
the difference between the current candidate configuration and the archived configuration from one commit ago
【单选题】When you display the routing table by entering the show route command, what does the* indicate?（）
A.
The route is a direct route.
B.
The route was selected as active.
C.
The route is a default route.
D.
The route was learned using a dynamic routing protocol.
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