【判断题】
泵压是克服循环系统中摩擦损失所需的压力。
A. 对
B. 错
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答案
A
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
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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 ?___
A. They are limited to two leve ls in a hierarchical policy
B. Parent policies are previously defined policies that are defined by using the service policy command
C. A child policy is a new policy that uses a pre-existing policy.
D. A child policy is a new that uses a pre-existing policy
【单选题】
In which configuration do you configure the ip ospf authentication key 1 command？___
A. routing process
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D. global
【单选题】
Which statement about command authorization and security contexts is true？___
A. If command authorization is configured， it must be enabled on all contexts.
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D. The enable. 15 user ang admins with chang to permission ha e dfferent command authorization levels pertontext
【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
B. router（config-if）#ip ospf authentication message-digest
C. router（config-if）#ip ospf authentication-key CISCOPASS
D. router（config-if）#area 0 authentication message-digest
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What feature defines a campus area network？___
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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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which type of Pvlan port allows communication from all port types？___
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Which feature defines a campus area network？ ___
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What technology can you use to provide data confidentiality data integrity and data origin authentication on your network？___
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