CCIE系列認(rèn)證CCIE SP單項(xiàng)選擇題每日一練(2019.01.16)

來源：考試資料網(wǎng)

1 In Any Transport over MPLS （AtoM） Control word is an optional 4-byte field used in the pseudowire packet.The control word carries generic and Layer 2 payload-specific information to emulate L2 packets correctly.In pseudowire packet， where is this Control Word inserted？（）

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2 The show ip ospf database external command displays information about which OSPF LSA type？（）

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3 Which of following is used to periodically multicast by DIS on a LAN to ensure IS-IS link state databaseaccuracy？（）

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4 What type of IPv6 address is this address： FF05：： 2：260：8FF：FE52：F9D8？（）

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5 What is periodically multicasted （every 10 seconds） by the DIS on a LAN to ensure IS-IS Link StateDatabase accuracy？（）

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