【单选题】
Which next-generation encryption algorithm supports four variants?___
A. SHA-2
B. SHA-1
C. MD5
D. HMAC
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答案
A
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【单选题】
What does the dh group refer to?___
A. length of key for hashing C
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E. length of key for authentication
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which technology cloud be used on top of an MPLS VPN to add confidentiality ?___
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Which term is most closely aligned with the basic purpose of a SIEM solution? ___
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You have just deployed SNMPv3 in your environment, Your manager asks you to make sure that our SNMP agents can only talk to the SNMP Manager. What would you configure on your SNMI agents to satisfy this request?___
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【单选题】
Which feature prevents loops by moving a nontrunking port into an errdisable state when a BPDU is received on that port?___
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Which command enables port security to use sticky MAC addresses on a switch?___
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【单选题】
When you edit an IPS subsignature, what is the effect on the parent signature and the family of subsignatures?___
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What action must you take on the ise to blacklist a wired device?___
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Which type of firewall can perform deep packet inspection?___
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What is the main purpose of Control Plane Policing?___
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Which attack can be prevented by OSPF authentication?___
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【单选题】
What is the best definition of hairpinning?___
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【单选题】
Which SNMPv3 security level provides authentication using HMAC with MD5, but does not use encryption?___
A. authPriv
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【单选题】
You have implemented a dynamic blacklist, using security intelligence to block illicit network activity. However, the blacklist contains several approved connections that users must access for usiness pur poses. Which action can you take to retain the blacklist while allowing users to access the approve d sites?___
A. Create a whitelist and manually add the approved addresses.
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【单选题】
When connecting to an external resource,you must change a source IP address to use one IP address from a range of 207.165.201.1 to 207.165.1.30. Which option do you implement ?___
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【单选题】
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Which mitigation technology for web-based threats prevents the removal of confidential data from the network?___
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【单选题】
Refer to the exhibit. What is the effect of the given configuration?___
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【多选题】
What are two major considerations when choosing between a SPAN and a TAP when plementing IPS?___
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Which three descriptions of RADIUS are true? ___
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【多选题】
Which two configurations can prevent VLAN hopping attack from attackers at VLAN 10?___
A. using switchport trunk native vlan 10 command on trunk ports
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【多选题】
What are two features of transparent firewall mode ___
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Which two models of A sa tend to be used in a data center?___
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Which two statements about hardware-based encrption are true?___
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In which two modes can the Cisco We b Security appliance be de ployed?___
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【单选题】
1.三相刀开关的图形符号与交流接触器的主触点符号是___。
A. 一样的
B. 可以互换
C. 有区别的
D. 没有区别
【单选题】
2.刀开关的文字符号是___。
A. QS
B. SQ
C. SA
D. KM
【单选题】
3.行程开关的文字符号是___。
A. QS
B. SQ
C. SA
D. KM
【单选题】
4.交流接触器的文字符号是___。
A. QS
B. SQ
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A. 短路保护
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7.交流接触器的作用是可以___接通和断开负载。
A. 频繁地
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【单选题】
8.三相异步电动机的启停控制线路由电源开关、熔断器、___、热继电器、按钮等组成。
A. 时间继电器
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【单选题】
9.三相异步电动机的启停控制线路中需要有___、过载保护和失压保护功能。
A. 短路保护
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