CCNA系列认证CCNA(200-120)章节练习(2019.05.07)

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1 Which command enables RSTP on a switch?（）

2 Which command encrypts all plaintext passwords?（）

3 What are three values that must be the same within a sequence of packets for Netflow to consider them a network flow?（）

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4 Which command enables IPv6 forwarding on a cisco router?（）

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5 Which IPv6 address is valid?（）

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6 If IP routing is enabled, which two commands set the gateway of last resort to the default gateway? （）

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7 Refer to the exhibit.Assuming that the entire network topology is shown, what is the operational status of the interfaces of R2 as indicated by the command output shown?（）

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8 A network administrator enters the following command on a router: logging trap 3. What are three message types that will be sent to the Syslog server? （）

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9 Which of the following are benefits of VLANs? （）

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10 the network administrator has been asked to give reasons for moving from ipv4 to ipv6. what are two valid reasons for adopting ipv6 over ipv4?（）

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