【填空题】
31.事实表明，___是阻挠台湾问题解决的最大障碍。
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What is an example of social engineering？___
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Which type of Layer 2 attack enables the attacker to intercept traffic that is intended for one specific recipient？___
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Which about nested policy maps in a zone-based firewall is true ?___
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In which configuration do you configure the ip ospf authentication key 1 command？___
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Which statement about command authorization and security contexts is true？___
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Which command do you enter to enable authentication for OSPF on an interface？___
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What feature defines a campus area network？___
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Which feature defines a campus area network？ ___
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