CCNA系列認證章節(jié)練習(2020.03.27)

來源：考試資料網(wǎng)

1 Which component of VPN technology ensures that data can be read only by its intended recipient？（）

2 Which one of the following protocols allows the information about the configuration of a new VLAN to be distributed across entire switched network?（）

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3 Which of the following IP addresses fall into the CIDR block of 115.64.4.0/22?（）

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4 Which type of EIGRP route entry describes a feasible successor?（）

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5 What are four methods used by hackers？（）

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6 防護終端的操作系統(tǒng)隱患有（）技術(shù)

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7 Which one of the following varieties of NAT utilizes different ports to map multiple IP addresses to a single globally registered IP address?（）

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8 在一個共享的雙絞線的網(wǎng)絡(luò)上的接口上產(chǎn)生了沖突檢測和載波偵聽.通過這個描述，關(guān)于這個網(wǎng)絡(luò)接口你知道了什么？（）

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9 What is the function of the command switchport trunk native vlan 999 on a Cisco Catalyst switch（）。

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10 What must be set correctly when configuring a serial interface so that higher-level protocols calculate the best route?（）

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