CCNP系列認證CCNP(642-845)單項選擇題每日一練(2019.01.21)

來源：考試資料網(wǎng)

1 A GRE tunnel is configured between a local and a remote site. Where should the service policy be applied to classify packets based on the pretunnel header? （）

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2 What are the steps for configuring stateful NBAR for dynamic protocols？（）

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3 The Acme company has determined that during its busiest hours， the average number of internal VoIP calls across the WAN link is four （4）. Since this is an average， the WAN link has been sized for six （6） calls with no call admission control. What will happen when a seventh call is attempted across the WAN link？（）

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4 What is the purpose of the NBAR protocol discovery？（）

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5 What is the most common cause of network congestion？（）

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