【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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答案
美国
解析
暂无解析
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What is an example of social engineering？___
A. gaining access to a computer by observing the user login credentials
B. gaining access to a build through an unguarded entrance
C. gaining access to a server by using a USB stick
D. gaining access to a server room by posing as local IT
【单选题】
Which type of Layer 2 attack enables the attacker to intercept traffic that is intended for one specific recipient？___
A. BPDU attack
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D. CAM table overflow
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Which about nested policy maps in a zone-based firewall is true ?___
A. They are limited to two leve ls in a hierarchical policy
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D. A child policy is a new that uses a pre-existing policy
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In which configuration do you configure the ip ospf authentication key 1 command？___
A. routing process
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Which statement about command authorization and security contexts is true？___
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【单选题】
Which command do you enter to enable authentication for OSPF on an interface？___
A. router（config-if）#ip ospf message-digest-key 1 md5 CIS COPASS
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C. router（config-if）#ip ospf authentication-key CISCOPASS
D. router（config-if）#area 0 authentication message-digest
【单选题】
What feature defines a campus area network？___
A. It has a single geographic location
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Which type of attack most commonly involves a direct attack on a network？___
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What information does the key length provide in an encryption algorithm?___
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How do you verify TaCACS+ connectivity to a device？___
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【单选题】
Which term best describes the concept of preventing the modification of data in transit and in storage？___
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Which loS command is used to define the authentication key for ntp？___
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What is true about the cisco lOS Resilient Configuration feature ?___
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When is the default deny all policy an exception in zone-based firewalls？___
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.If an access port is assigned as an isolated port in a PVLAN， which network ports can it communicate with？___
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which type of Pvlan port allows communication from all port types？___
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【单选题】
Which feature defines a campus area network？ ___
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