JN0-102单项选择题每日一练(2019.01.13)

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1 How do you write the current candidate configuration to the permanent storage media?（）

2 What is the purpose of a network mask?（）

3 You issue the ping interface t1-1/1/0 bypass-routing count 1000 rapid command.Which statement is correct?（）

4 When using keyboard shortcuts, which keystroke combination allows users to erase a single word to the left of the cursor?（）

5 Which statement is true about the routing table?（）