CCIE系列認(rèn)證CCIE(350-001)多項選擇題每日一練(2019.05.08)

來源：考試資料網(wǎng)

1 Which two commands are required to enable multicast on a router， knowing that the receivers only support IGMPv2？（）

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2 Which three protocols or applications should be placed in a class that is configured with WRED？（）

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3 In Layer 2 topologies， spanning-tree failures can cause loops in the network. These unblocked loops cancause network failures because of excessive traffic. Which two Catalyst 6500 features can be used to limitexcessive traffic during spanning-tree loop conditions？（）

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4 Which two of these are used in the selection of a root bridge in a network utilizing Spanning Tree ProtocolIEEE 802.1 D？（）

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5 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？（）

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