软件认证工程师考试
CCNA系列认证CCNA(640-801)章节练习(2019.04.19)
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单项选择题
Which switching mode provides the highest level of integrity and error-free transport, rather then maximizing speed?()
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单项选择题
What will a router do during startup if a configuration file is not located in NVRAM?()
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单项选择题
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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多项选择题
Which of the following statements describe the characteristic of link state routing protocols?()
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单项选择题
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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单项选择题
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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单项选择题
Which of the following protocols use both TCP and UDP ports?()
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单项选择题
What does a configuration Register Setting of 0x2105 indicate to the Router? ()
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多项选择题
Which table of EIGRP route information are held in RAM and maintained through the use of hello and update packets?()
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单项选择题
Which one of the following commands would you enter to terminate a VTY line session?()
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