单选题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 ne

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单选题

When upgrading the IOS image, the network administrator receives the exhibited error message. What could be the cause of this error?（）

The new IOS image is too large for the router flash memory.

The TFTP server is unreachable from the router.

The new IOS image is not correct for this router platform.

The IOS image on the TFTP server is corrupt.

There is not enough disk space on the TFTP server for the IOS image.

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第1题

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 IOS image is not correct for this router platform.D、The IOS image on the TFTP server is corrupt.E、There is not enough disk space on the TFTP server for the IOS image.

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第2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.

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第3题

A network administrator needs to configure port security on a switch.which two statements are true？（）A、The network administrator can apply port security to dynamic access portsB、The network administrator can configure static secure or sticky secure mac addresses in the voice vlan.C、The sticky learning feature allows the addition of dynamically learned addresses to the runningconfiguration.D、The network administrator can apply port security to EtherChannels.E、When dynamic mac address learning is enabled on an interface，the switch can learn new addresses，up to the maximum defined.

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第4题

You are a trainee technician at TestKing, Inc. Your instructor tells you to backup an IOS image of a Cisco device to a Windows 2003 server on the network.What should you do first?（）A、Make sure that the network server can be accessed.B、Check that the authentication for access is set.C、Assure that the network server has adequate space for the code image.D、Verify any file naming and path requirements.E、Make sure that the server can load and run the bootstrap code.

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第5题

Which statement about the ip classless router command is true?（）A、The ip classless command is enabled by default in recent versions of IOS.B、The ip classless command should only be enabled when static routing is being used instead of a routing protocol.C、The ip classless command should be enabled by the network administrator whenever RIPv1 or IGRP is being used.D、The ip classless command should be enabled by the network administrator whenever OSPF, RIPv2, or EIGRP is being used.

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第6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

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第7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.

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When upgrading the IOS image, the network administrator rece

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