單項(xiàng)選擇題

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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單項(xiàng)選擇題

Which statement is true， as relates to classful or classless routing？（）

A.Automatic summarization at classful boundries can cause problems on discontinuous subnets
B.EIGRP and OSPF are classful routing protocols and summarize routes by default
C.RIPv1 and OSPF are classless routing protocols
D.Classful routing protocols send the subnet mask in routing updates

多項(xiàng)選擇題

For what two purposes does the Ethernet protocol use physical addresses？（）

A.to uniquely identify devices at Layer 2
B.to allow communication with devices on a different network
C.to differentiate a Layer 2 frame from a Layer 3 packet
D.to establish a priority system to determine which device gets to transmit first
E.to allow communication between different devices on the same network
F.to allow detection of a remote device when its physical address is unknown

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

你可能感興趣的試題

Which statement is true， as relates to classful or classless routing？（）

For what two purposes does the Ethernet protocol use physical addresses？（）

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Which statement is true， as relates to classful or classless routing？（）

For what two purposes does the Ethernet protocol use physical addresses？（）