软件认证工程师考试
CCNA系列认证章节练习(2020.02.17)
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单项选择题
A network administrator wants to add a line to an access list that will block only Telnet access by the hosts on subnet 192.168.1.128/28 to the server at 192.168.1.5.What command should be issued to accomplish this task?()
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单项选择题
What is the function of the command switchport trunk native vlan 999 on a?()
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单项选择题
Which one of the following privileged EXEC mode IOS show commands will display the state of the OSPF DR/BDR (designated router / backup designated router) election process?()
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多项选择题
Which router IOS commands can be used to troubleshoot LAN connectivity problems? ()
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单项选择题
给您分配一个B类IP网络172.16.0.0,子网掩码255.255.255.192,则您可以利用的网络数为(),每个网段最大主机数()。
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多项选择题
中继端口有哪些模式?()
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单项选择题
Which implement phase service component describes the activities to install and test your Cisco Unified Communications solution in a nonproduction lab environment()
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单项选择题
BGP使用什么来确定到达目的地的最佳路径?()
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多项选择题
What TCP/IP stack configuration features can DHCP provide, in addition to assigning an IP address? (Choose three.)()
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多项选择题
Which two ports are used with RADIUS authentication and authorization?()
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