CCNA系列認(rèn)證單項(xiàng)選擇題每日一練(2020.04.18)

來源：考試資料網(wǎng)

1 A router leams about a remote network from EIGRP.OSPF. and a static route. Assuming all routing protocols are using their default administrative distance, which route will the router use to forward data to the remote network?（）

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2 New switches have been purchased for a network upgrade. The objective for the network design emphasizes efficient, error-free transport instead of fast transport.Which switching mode should be configured on the new switches to provide error-free transport to the network? （）

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3 At which OSI layer is a logical path created between two host systems?（）

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4 如下圖，一名管理員ping默認(rèn)網(wǎng)關(guān)發(fā)現(xiàn)如下輸出，最有可能是那一層OSI出問題？（）

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5 Three switches are connected to one anther via trunk ports.Assuming the default switch configuration,which switch is elected as the root bridge for the spanning-tree instance of vlan 1?（）

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