220-701單項(xiàng)選擇題每日一練(2019.03.21)

來源：考試資料網(wǎng)

1 A Denial of Service (DoS) attack is:（）

2 A technician needs to assign a default subnet mask for a class B network to a network device that was just installed. Which of the following would the technician use?（）

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3 A user reports that their hard drive has failed and needs to be replaced. Which of the following should the technician do FIRST?（）

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4 Which of the following network cable types is MOST often used in environments where physicalsecurity of the data is the top priority?（）

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5 Which of the following laptop displays would provide the BEST viewing angle?（）

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