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Why might the Ezonexam network administrator set the configuration register to 0x2142 on a 2600 series Cisco router?
A．To boot the IOS from ROM
B．To reset the console password
C．To upload a new version of the configuration file
D．To upload a new version of the IOS
E．To allow a new memory upgrade to be recognized by the router
参考答案
更多 “ Why might the Ezonexam network administrator set the configuration register to 0x2142 on a 2600 series Cisco router?A．To boot the IOS from ROMB．To reset the console passwordC．To upload a new version of the configuration fileD．To upload a new version of the IOSE．To allow a new memory upgrade to be recognized by the router ” 相关考题
考题
After working all night and successfully configuring a Cisco router for the Ezonexam network you save your changes on the startup config, reboot the router, and go out for a cigarette. When you return, none of your changes are active and the router boots to the initial configuration mode! Which of the choices below indicates the source of your problem?A．Hardware failure in NVRAM prevents the router from loading the configB．Startup-config in flash is corrupt and cannot be analyzedC．Router configuration-register set to bypass startup configurationD．Startup-config in NVRAM is corrupt and cannot be analyzedE．None of the above
考题
What will a new Ezonexam router do during startup if a configuration file is not located in NVRAM?A．It will search for the configuration file in the locations specified by boot system commands.B．It will search for the configuration file in flash and if no configuration file is found there, it will enter the setup dialog.C．It will search for the configuration file on a TFTP server and if no configuration file is found there, it will enter the setup dialog.D．It will search for the configuration file in flash and if no configuration file is found there, it will load a limited configuration file from ROM.E．It will search for the configuration file on a TFTP server and if no configuration file is found there, it will load a limited configuration file from ROM.
考题
What will cause a Ezonexam router to enter setup mode? (Choose two)A. The configuration file is missing in NVRAM.B. The configuration register is set to 0x2100.C. Boot system commands are misconfigured in the running-configuration.D. The setup command was issued from the privileged mode prompt.E. The IOS is missing.F. The IOS is corrupt.
考题
You are a senior network administrator at Ezonexam, and while performing the password recovery procedure on your 2500 series Cisco router, you type in the following command:o/r 0x2142What is the purpose of this command?A．It is used to restart the router.B．It is used to bypass the configuration in NVRAM.C．It is used to enter ROM Monitor mode.D．It is used to view the lost password.E．It is used to save the changes to the configuration.
考题
Which of the following should an administrator do after running a command from the console onthe perimeter router?()
A. Update the configuration logsB. Update the network wiring schematicsC. Update the network configuration proceduresD. Compare the configuration with the baseline
考题
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.
考题
A CCNA candidate is working on a 2600 Cisco router. The person needs to verify that the configuration register is set to boot the router IOS from flash memory and use the commands saved in the startup-configuration file.Which command will display this information, and what is the configuration register value that should be displayed?（）A. show startup-config and 0x2142B. show version and 0x2102C. show flash and 0x2102D. show version and 0x2142E. show running-config and 0x2142F. show flash and 0x2142
考题
A Cisco router has been configured, and the copy running-config startup-config command has been issued. When the router is power cycled, the router prompts with:Would you like to enter the initial configuration dialog? [yes/no]Why has this occurred?（）A. There is an error in the router DRAM.B. Te IOS image is corrupt.C. The configuration register is set to 0x2142.D. The TFTP server that contains the router configuration file is unreachable.E. A boot system configuration command has placed the router into setup mode.
考题
Exhibit: The following are true with one of the TestKing routers:1) The IOS image in flash is missing2) 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?（）A. The router will enter setup mode.B. The router will enter ROM monitor mode.C. The router will enter global configuration mode.D. The boot will hang until an IOS is available.
考题
You need to upgrade the IOS of an existing router on your network. The new IOS image is located on a TFTP server that you have set up within the network. What command should you issue in order to download the new IOS version?（）A. Router# copy tftp flashB. Router# copy flash runC. Router(config)# restore flashD. Router(config)# repair flashE. Router#copy flash tftpF. Router# copy start flash
考题
A network administrator changes the configuration register to 0x2142 and reboots the router. What are two results of making this change?()
A. The IOS image will be ignored.B. The router will prompt to enter initial configuration mode.C. The router will boot to ROM.D. Any configuration entries in NVRAM will be ignored.E. The configuration in flash memory will be booted.
考题
A cisco router is booting and has just completed the POST process.It is now ready to find and load an IOS image.what function does the router perform next?()
A.It checks the configuration registerB.It attempts to boot from a TFTP serverC.It loads the first image file in flash memoryD.It inspects the configuration file in NVRAM for boot instructions
考题
You need to upgrade the IOS of an existing router on your network. The new IOS image is located on a TFTP server that you have set up within the network. What command should you issue in order to download the new IOS version?（）A、Router# copy tftp flashB、Router# copy flash runC、Router(config)# restore flashD、Router(config)# repair flashE、Router#copy flash tftpF、Router# copy start flash
考题
A network administrator changes the configuration register to 0x2142 and reboots the router. What are two results of making this change?（）A、The IOS image will be ignored.B、The router will prompt to enter initial configuration mode.C、The router will boot to ROM.D、Any configuration entries in NVRAM will be ignored.E、The configuration in flash memory will be booted.
考题
What is a global command?（）A、A command that is available in every release of IOS, regardless of the version or deployment status.B、A command that can be entered in any configuration mode.C、A command that is universal in application and supports all protocols.D、A command that is implemented in all foreign and domestic IOS version.E、A command that is set once and affects the entire router.
考题
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?（）A、The router will enter setup mode.B、The router will enter ROM monitor mode.C、The router will enter global configuration mode.D、The boot will hang until an IOS is available.
考题
A Cisco router is booting and has just completed the POST process. It is now ready to find and load an IOS image. What function does the router perform next?（）A、It checks the configuration register.B、It attempts to boot from a TFTP server.C、It loads the first image file in flash memory.D、It inspects the configuration file in NVRAM for boot instructions.
考题
A switch that is to be added to the production network has been preconfigured （trunks， VLANs， VTP， and STP） and was tested in your lab. After installing the switch into the network， the entire network went down. What might explain what happened？ （）A、The new switch happened to be running Cisco Catalyst operating system， while the other network switches were running Cisco IOS Software.B、The configuration revision of the new switch was higher than the configuration revision of the production VTP domain.C、The link costs on the new switch are set to a high value， causing all ports on the new switch to go into a forwarding mode and none into blocking mode， thereby causing a spanning-tree loop.D、The ports connecting to the two switches have been configured incorrectly. One side has the command switchport mode access and the other switchport mode trunk.
考题
What are two requirements to perform a warm Cisco IOS upgrade on a Cisco ISR router? （）(Choose two.)A、at least one enabled Ethernet interfaceB、Cisco IOS version 12.3(2)T or greaterC、enough memory to decompress the new Cisco IOS imageD、internal flash memory equaling two times the space required for the current Cisco IOS image
考题
Which of the following should an administrator do after running a command from the console onthe perimeter router?（）A、Update the configuration logsB、Update the network wiring schematicsC、Update the network configuration proceduresD、Compare the configuration with the baseline
考题
A cisco router is booting and has just completed the POST process.It is now ready to find and load an IOS image.what function does the router perform next？（）A、It checks the configuration registerB、It attempts to boot from a TFTP serverC、It loads the first image file in flash memoryD、It inspects the configuration file in NVRAM for boot instructions
考题
What is the purpose of the secure boot-config global configuration ？（）A、takes a snapshot of the router running configuration and securely archives it in persistent storageB、stores a secured copy of the Cisco IOS image in its persistent storageC、backs up the Cisco IOS image from flash to a TFTP serverD、enables Cisco IOS image resilience
考题
多选题A network administrator changes the configuration register to 0x2142 and reboots the router. What are two results of making this change?（）AThe IOS image will be ignored.BThe router will prompt to enter initial configuration mode.CThe router will boot to ROM.DAny configuration entries in NVRAM will be ignored.EThe configuration in flash memory will be booted.
考题
单选题A Cisco router is booting and has just completed the POST process. It is now ready to find and load an IOS image. What function does the router perform next?（）A
It checks the configuration register.B
It attempts to boot from a TFTP server.C
It loads the first image file in flash memory.D
It inspects the configuration file in NVRAM for boot instructions.
考题
单选题Refer to the exhibit. A network administrator configures a new router and enters the copy startup-config running-config on the router. The network administrator powers down the router and sets it up at a remote location. When the router starts, it enter the system configuration dialog as shown. What is the caust of the problem?（）A
The network administrator faled to save the configuration.B
The configuration register is set to 0x2100.C
The boot system flash command is missing from the configuration.D
The configuraiton register is set to 0x2102.E
The router is configured with the boot system startup command.
考题
多选题What are two requirements to perform a warm Cisco IOS upgrade on a Cisco ISR router? （）(Choose two.)Aat least one enabled Ethernet interfaceBCisco IOS version 12.3(2)T or greaterCenough memory to decompress the new Cisco IOS imageDinternal flash memory equaling two times the space required for the current Cisco IOS image
考题
单选题You need to upgrade the IOS of an existing router on your network. The new IOS image is located on a TFTP server that you have set up within the network. What command should you issue in order to download the new IOS version?（）A
Router# copy tftp flashB
Router# copy flash runC
Router(config)# restore flashD
Router(config)# repair flashE
Router#copy flash tftpF
Router# copy start flash
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