CCNA系列认证CCNA(640-801)章节练习(2019.05.05)

来源：考试资料网

1 Which two are NOT characteristics of the OSPF routing protocol?（）

2 Exhibit: The following are true with one of the TestKing routers:
1) The IOS image in flash is missing
2) No Network connectivity is available.
3) The router fallback IOS image is corrupt.
How will this Cisco 2600 series router respond if the conditions listed in the exhibit exist during the boot process?（）

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3 In the Cisco IOS, what is the definition of a global command?（）

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4 Catalyst switches utilize a special technology to identify and prevent topology loops and ensure that data flows properly through a single network path. What is the name of this technology?（）

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5 You are trying to bring up a new Testking location onto your existing frame relay network. The new location is using an Adtran router and you are having difficulties getting the site to connect via frame to your Cisco HQ router. What is the most likely cause of the problem?（）

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6 While working in setup mode, a configuration line is typed incorrectly. What should you do to exit setup mode, without executing or saving any of the mistakes you made?（）

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7 A new Catalyst switch is connected to an existing switch using a crossover cable. As a result of this, what would the switch port link lights display?（）

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8 What is the function of the CSMA/CD algorithm in Ethernet technologies?（）

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9 After issuing the "show version" command on your Cisco router, you notice that the image is named "C7200-ajs40-mx". What does the C7200 portion of the filename represent?（）

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10 Regarding DHCP (dynamic host configuration protocol), which two of the following choices below are true?（）

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