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單項(xiàng)選擇題There are no boot system commands in a router configuration in NVRAM.What is the fallback sequencethat router will use to find an ios during reload？（）

A.Flash，TFTP server，ROM
B.Flash，NVRAM，ROM
C.ROM，NVRAM，TFTP server
D.NVRAM，TFTP server，ROM
E.TFTP server，F(xiàn)lash，NVRAM

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1.多項(xiàng)選擇題What are three features of the IPV6 protocol?（）

A.complicated header
B.plug-and-play
C.no broadcasts
D.checksums
E.optional IPsec
F.autoconfiguration

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2.多項(xiàng)選擇題集成架構(gòu)的無(wú)線安全方法解決方案有（）

A.預(yù)先的威脅和入侵檢測(cè)能力能檢測(cè)無(wú)線攻擊并進(jìn)行防御
B.全面保護(hù)機(jī)密數(shù)據(jù)和通信安全
C.單一用戶標(biāo)識(shí)和策略簡(jiǎn)化了用戶管理和非授權(quán)訪問(wèn)的保護(hù)
D.和有線安全系統(tǒng)的合作確保了無(wú)線安全功能和防護(hù)的全面性

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3.單項(xiàng)選擇題 Refer to the graphic.Computer 1 is consoles into switch A.Telnet connections and pings run from thecommand prompt on switch A fail.Which of the following could cause this problem？（）

A.switch A dose not have a cdp entry for switch
B.or router JAXB.switch A dose not have an IP address
C.port 1 on switch A should be an access port rather than a trunk port
D.switch A is not directly connected to router JAX
E.switch A does not have a default gateway assigned

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4.多項(xiàng)選擇題Which two states are the port states when RSTP has converged？（）

A.blocking
B.learning
C.disabled
D.forwarding
E.listening

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5.多項(xiàng)選擇題 What can be determined from the line of show ip route output shown in the exhibit？（）

A.The next routing update can be expected in 35 seconds.
B.The IP address 10.10.10.6 is configured on S0/1.
C.The IP address 10.10.10.8 is configured on S0/1.
D.This route is using the default administrative distance.
E.The 10.10.10.8 network is two hops away from this router.

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