CCIE系列認(rèn)證CCIE(350-018)不定項(xiàng)選擇每日一練(2019.05.12)

來源：考試資料網(wǎng)

1 What does qos pre-classify provides inregardto implementing QoS over GRE/IPSec VPN tunnels？（）

2 Which statements are true concerning NAT？（）

3 Which best represents a typical attackthat takes advantage of RFC 792， ICMPType 3 messages？（）

4 ASA/PIXversion 7.0 introduced ModularPolicyFramework （MPF） as anextensible wayto classify traffic，and then apply policies （or actions） to that traffic. MPF at aminimum requires which three commands？（）

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5 How doTCP SYN attacks take advantage ofTCPto prevent new connections from being established to a host under attack？（）

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