When upgrading the IOS image, the network administrator receives the exhibited error message. What could be the cause of this error?（）A、The new IOS image is too large for the router flash memory.B、The TFTP server is unreachable from the router.C、The new I

第1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.

第2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 interface
• B、Cisco IOS version 12.3(2)T or greater
• C、enough memory to decompress the new Cisco IOS image
• D、internal flash memory equaling two times the space required for the current Cisco IOS image

第3题：

第4题：

Which two locations can be configured as a source for the IOS image in the boot system command?（）

• A、RAM
• B、NVRAM
• C、flash memory
• D、HTTP server
• E、TFTP server
• F、Telnet server

第5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 storage
• B、stores a secured copy of the Cisco IOS image in its persistent storage
• C、backs up the Cisco IOS image from flash to a TFTP server
• D、enables Cisco IOS image resilience

第6题：

You are upgrading your Cisco router IOS from a TFTP server over the network. The upgrade procedure is stopped and you are prompted to erase the current flash contents before continuing. What is most plausible reason for this? （）

• A、There is insufficient room for more than one image.
• B、The router has detected a copy of the current software image on the TFTP server.
• C、The file can be relocated and not compressed.
• D、The image to load is a binary executable file.

第7题：

When upgrading BIOS firmware, which of the following limits are MOST commonly increased? （）

• A、CPU
• B、USB capacity
• C、Optical drive
• D、RAM

第8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.

第9题：

What should be done prior to backing up an IOS image to a TFTP server?（）

• A、Make sure that the server can be reached across the network.
• B、Check that authentication for TFTP access to the server is set.
• C、Assure that the network server has adequate space for the IOS image.
• D、Verify file naming and path requirements.
• E、Make sure that the server can store binary files.
• F、Adjust the TCP window size to speed up the transfer.

第10题：

Refer to the exhibit. For what two reasons has the router loaded its IOS image from the location that is shown? （）

• A、Router1 has specific boot system command that instruct it to load IOS from TFTP server.
• B、Router1 is acting as a TFTP server for other routers.
• C、Router1 cannot locate a valid IOS image in flash memory.
• D、Router1 defaulted to ROMMON mode and loaded the IOS image from a TFTP server.
• E、Cisco routers will first attempt to load a image from TFTP for management purposes.