【单选题】
[1]我国城市地下水下降的主要原因是___。
A. 降雨减少
B. 城市化过程中不透水地面的增加
C. 森林植被被破坏
D. 过量的开采地下水
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答案
D
解析
暂无解析
相关试题
【单选题】
[2]空气污染是___。
A. 指“进入空气中的有害物质(如二氧化硫、氮氧化物、一氧化碳、二氧化碳、碳氢化合物等)”
B. 指“进入空气中的有害物质(如二氧化硫、氮氧化物、一氧化碳、氧气、碳氢化合物等)”
C. 指“进入空气中的有害物质(如二氧化硫、氮氧化物、一氧化碳、二氧化碳、固体颗粒物等)”
D. 指“进入空气中的有害物质(如二氧化硫、氮氧化物、一氧化碳、烟尘、碳氢化合物等)”
【判断题】
[2]温室气体是指具有温室效应的气体，即可破坏大气层与地面间红外线辐射正常关系，吸收地球释放出来的红外线辐射，阻止地球热量的散失，使地球发生可感觉到的气温升高的恒量气体
A. 对
B. 错
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On an ASA， the policy indicates that traffic should not be translated is often referred to as which of the following？___
A. NAT zero
B. NAT forward
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Which protocol offers data Integrity encryption， authentication， and anti-replay functions for IPSec VPN？___
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Which component offers a variety of security Solution， including firwall， IF Antivirus and antiphishing features？___
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Refer to the exhibit， A Network Secur ity administrator check the ASa firewall NAT policy table rith show nat command， which statement is fails？___
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How can you mitigate attacks in which the attacker attaches more than one vLan tag to a packet？___
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What is the most common implementation of PaT in a standard networked environment？___
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You are configuring a NAT rule on a Cisco ASA ,Which description of a mapped interface is true?___
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E. xpress
F. orwarding
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A. root guard
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choose five___
A. MD5————————inserure
B. DES————————insercure
C. SDES———————legacy
D. SHA-1———————legacy
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which two characteristics of PVLAN are true？___
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Drag the recommendation on the left to the Cryptographic algorithms on the right， Options will be used more than once.___
A. Avoid——————————————DES，MD5
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Which two commands are used to implement Resilient lOS Configuration ___
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A. Violation is Protect
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Which two are characteristics of RADIUS？___
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D.
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Which two descriptions of TACACS+ are true？ ___
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【多选题】
Which two actions does an IPS perform？ ___
A. it spans the traffic
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D. it terminates the user session or connection of the attacker
E. it reconfigures a device to block the traffic
