CCNA系列認(rèn)證CCNA(640-801)章節(jié)練習(xí)(2019.04.19)

來源：考試資料網(wǎng)

1 Which switching mode provides the highest level of integrity and error-free transport, rather then maximizing speed?（）

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2 What will a router do during startup if a configuration file is not located in NVRAM?（）

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3 The TestKing network is subnetted using 29 bits for the subnet mask. Which wild card mask should be used to configure an extended access list to permit or deny access to an entire subnetwork?（）

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4 Which of the following statements describe the characteristic of link state routing protocols?（）

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5 A router has EIGRP configured as the only routing protocol. How does EIGRP respond if there is no feasible successor route to a destination network and the successor route fails?（）

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6 You work as a network engineer at TestKing.com. TestKing users have noticed extremely slow network performance, intermittent connectivity, and connection loss. After entering the show interfaces command, you notice that the Ethernet interface is configured as 100 Mbps full-duplex and that there is evidence of late collisions. What could be the cause of this problem?（）

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7 Which of the following protocols use both TCP and UDP ports?（）

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8 What does a configuration Register Setting of 0x2105 indicate to the Router? （）

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9 Which table of EIGRP route information are held in RAM and maintained through the use of hello and update packets?（）

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10 Which one of the following commands would you enter to terminate a VTY line session?（）

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