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下列有关在 Cisco IOS 设备上运行配置文件的陈述，哪一项是正确的？
A．修改配置文件会立即对设备的操作造成影响。
B．配置文件存储在 NVRAM 中。
C．可使用 erase running-config 命令删除配置文件。
D．路由器重新启动时会自动保存配置文件。
参考答案和解析
A
更多 “下列有关在 Cisco IOS 设备上运行配置文件的陈述，哪一项是正确的？A．修改配置文件会立即对设备的操作造成影响。B．配置文件存储在 NVRAM 中。C．可使用 erase running-config 命令删除配置文件。D．路由器重新启动时会自动保存配置文件。” 相关考题
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在CISCO网络设备中,备份路由器的IOS到FTP服务器上使用下列哪个命令?()
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After making some network changes you power off and then power on your Cisco router named VE1. What sequence of events occurs when VE1 is powered up?A. Perform. POST, locate configuration statements, apply configuration statements, locate Cisco IOS software, and load Cisco IOS software.B. Locate Cisco IOS software, load Cisco IOS software, locate configuration statements, apply configuration statements, and perform. POST.C. Test software routines, POST, load configuration files, load Cisco IOS software, test Cisco IOS software.D. Perrform. POST, locate Cisco IOS software, load the Cisco IOS software, locate configuration statements, and apply configuration statements.E. Load and test IOS, load configuration files, test software routines, POST.F. None of the above
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IOS是Cisco网络设备上运行的操作系统,作为初学者,小王( )可以显示当前模式下支持的所有命令。
A、使用“show history”命令B、在提示符下直接输入?C、在提示符下直接按下Tab键D、使用“help?”命令
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管理员刚刚更改了IOS设备上一个接口的IP地址。为了将这些更改应用到设备上，我们还必须做什么？（）A、将运行配置复制到启动配置文件中B、将启动配置文件中的信息复制到运行配置C、重新加载设备，并在提示保存配置时键入yesD、无需任何操作。只要命令键入正确并按下Enter键，IOS设备上的配置更改就会立即生效
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Which two items best describe a Cisco IOS IP SLA responder？（）A、required at the destination to implement Cisco IOS IP SLA servicesB、improves measurement accuracyC、required for VoIP jitter measurementsD、provides security on Cisco IOS IP SLA messages via LEAP or EAP-FAST authenticationE、responds to one Cisco IOS IP SLA operation per portF、stores the resulting test statistics
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有关加注制冷剂时之注意事项，下列陈述哪一项最为正确（）A、可以在系统运行过程中从高压侧加注B、容器倒置可使低压的制冷剂蒸气加注到系统中C、上述A和B两项陈述皆正确D、上述A和B两项陈述皆错误
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单选题Which item is correct regarding Cisco IOS IPS on Cisco IOS Release 12.4（11）T and later ？（）A
requires the Basic or Advanced Signature Definition FileB
uses the built-in signatures that come with the Cisco IOS image as backupC
supports SDEE，SYSLOG，and SNMP for sending Cisco IPS alertsD
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考题
单选题After making some network changes you power off and then power on your Cisco router. What sequence of events occurs when a router is powered up?（）A
Perform POST, locate configuration statements, apply configuration statements, locate Cisco IOS software, and load Cisco IOS software.B
Locate Cisco IOS software, load Cisco IOS software, locate configuration statements, apply configuration statements, and perform POST.C
Test software routines, POST, load configuration files, load Cisco IOS software, test Cisco IOS software.D
POST, locate Cisco IOS software, load the Cisco IOS software, locate configuration statements, and apply configuration statements.E
Load and test IOS, load configuration files, test software routines, POST.
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多选题Which two items best describe a Cisco IOS IP SLA responder？（）Arequired at the destination to implement Cisco IOS IP SLA servicesBimproves measurement accuracyCrequired for VoIP jitter measurementsDprovides security on Cisco IOS IP SLA messages via LEAP or EAP-FAST authenticationEresponds to one Cisco IOS IP SLA operation per portFstores the resulting test statistics
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单选题What does Cisco recommend when you are enabling Cisco IOS IPS？（）A
Do not enable all the signatures at the same time.B
Do not enable the ICMP signature.C
Disable the Zone-Based Policy Firewall because it is not compatible with Cisco IOS IPS.D
Disable CEF because it is not compatible with Cisco IOS IPS. .
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单选题下列有关Cisco IOS ping指示符的陈述哪一项是正确的（）A
“表示!”ping操作不成功，设备可能无法找到DNS服务器。B
“U可能表示沿途的某个路由器不包含通往目的地址的路由，而且”ping操作不成功C
“表示.”ping操作是成功的，但是响应时间比正常情况下长。D
“和.”“的组合表示沿途的某个路由器没有通往目的地址的路由并发回了一个!”ICMP无法到达消息。
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单选题Which result is of securing the Cisco IOS image by use of the Cisco IOS image resilience feature？（）A
The Cisco IOS image file will not be visible in the output from the show flash command.B
The show version command will not show the Cisco IOS image file location.C
When the router boots up， the Cisco IOS image will be loaded from a secured FTP location.D
The running Cisco IOS image will be encrypted and then automatically backed up to a TFTP server.
考题
单选题在CISCO网络设备中，备份路由器的IOS到FTP服务器上使用下列哪个命令？（）A
copyflashtftpB
copyiostftpC
copytftpflashD
backupIOSdisk
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单选题管理员刚刚更改了IOS设备上一个接口的IP地址。为了将这些更改应用到设备上，我们还必须做什么？（）A
将运行配置复制到启动配置文件中B
将启动配置文件中的信息复制到运行配置C
重新加载设备，并在提示保存配置时键入yesD
无需任何操作。只要命令键入正确并按下Enter键，IOS设备上的配置更改就会立即生效
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单选题下列有关将移动设备与PC同步的说法中哪项正确（）。A
使用iOS设备时可以使用MotocastUSB来同步数据B
Android设备上的数据无法与PC同步C
要同步iOS设备上的数据，PC上必须安装iTunesD
iOS同步只能通过USB连接执行
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