問答題A.192.168.1.1/30 B.192.168.1.3/30哪個(gè)地址是不能被作為接口地址被使用的？

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2.多項(xiàng)選擇題Your company is researching a new application that runs over IPv6，but part of it must still have IPv4 support. Your company uses a traditional IPv4 network. Your plan is not to run IPv6 over the whole network，but to segment parts of the network or even to operate simultaneously with IPv6 and IPv4. You must make a brief presentation about IPv6 technology to the board of technical directors. Which three of these items could be part of your presentation？ （）

A.Tunnel IPv6 over IPv4 to connect far-end IPv6 networks.
B.Explain why configuring IPv4 and IPv6 at the same time over the same LAN interface is not possible.
C.Explain why configuring IPv4 and IPv6 at the same time over the same LAN interface is possible.
D.What is the meaning of EUI-64 and how does it work？
E.Tunnel IPv4 over IPv6 to connect far-end IPv4 networks.

4.單項(xiàng)選擇題An expanding company is deploying leased lines between its main site and two remote sites. The bandwidth of the leased lines is 128kb/s each， terminated on different serial interfaces on the main router. These links are used for combined VOIP and data traffic. The network administrator has implemented a VOIP solution to reduce costs， and has therefore reserved sufficient bandwidth in a low latency queue on each interface for the VOIP traffic. Users now complain about bad voice quality although no drops are observed in the low latency queue.What action will likely fix this problem？（）

A.mark VOIP traffic with IP precedence 6 and configure only ’fair-queue’ on the links
B.configure the scheduler allocate 3000 1000 command to allow the QoS code to have enough CPU cycles
C.enable class-based traffic shaping on the VoIP traffic class
D.enable Layer 2 fragmentation and interleaving on the links
E.enable Frame Relay on the links and send voice and data on different Frame Relay PVCs

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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?（）

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Refer to the exhibit.How many broadcast domains exist in theexhibited topology？（）

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The Frame Relay network in the diagram is not functioning properly.What is the cause of the problem?（） 

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Refer to the exhibit.The network administrator is in acampus building distant from Building B.WANRouter is hosting a newly installed WAN link on interface S0/0.The new link is not functioning and the administrator needs to determine if the correct cable has been attached to the S0/0 interface.How can the administrator accurately verify the correct cable type on S0/0 in the most efficient manner?（）

題型：?jiǎn)雾?xiàng)選擇題

How should arouter that is being used in a Frame Relay network be configured to avoid split horizon issues from preventing routing updates?（）

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what is the advantage of policing opposite to shaping？

題型：?jiǎn)柎痤}

問一個(gè)怎么樣的屬性，能讓路由不通告給任何的peer？

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QoS機(jī)制中的分類，采用ip數(shù)據(jù)包中的哪個(gè)字段？

題型：?jiǎn)柎痤}

Which of the following describes the roles of devices in a WAN?（）

題型：多項(xiàng)選擇題

A default Frame Relay WAN is classified as what type of physical network?（）

題型：?jiǎn)雾?xiàng)選擇題