CCIE系列認(rèn)證CCIE(350-001)單項選擇題每日一練(2019.05.13)

來源：考試資料網(wǎng)

1 Which of these best identifies the types of prefixes a router running BGP will advertise to an EBGP peer？（）

2 While deploying a new switch， you accidently connect ports 3/12 and 3/18 together， creating a loop. STP detected it and placed port 3/18 in blocking mode. Why did STP not place port 3/12 in blocking mode instead？（）

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3 Which mechanism does OSPFv3 use when the router LSA is too big to be sent out？（）

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4 Which configuration is used to enable root guard？（）

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5 All of these are fundamental building blocks of differentiated services Traffic Conditioner Block exceptwhich one？（）

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CCIE系列認(rèn)證CCIE(350-001)單項選擇題每日一練(2019.05.13)