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【单选题】
Which statements about the native VLAN is true ?___
A. It is susceptible to VLAN hopping attacks.
B. It is the Cisco recommended VLAN for switch-management traffic
C. It is most secure when it is a ssigned to vLAn 1.
D. It is the cisco-recomme nded vlan for user traffic
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答案
B
解析
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There are two versions of IKE:IKEv1 and IKEv2. Both IKEv1 and IKEv2 protocols operate in phases IKEv1 operates in two phases. IKEv2 operates in how many phases?___
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What does the dh group refer to?___
A. length of key for hashing C
B. length of key for encryption
C. tunnel lifetime key
D. length of key for key exchange
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Which path do you follow to enable aaa through the SDM ?___
A. Configure Tasks > AAA
B. Configure > Addition Authentication > AAA
C. Configure > AAA
D. Configure > Additional Tasks > AAA
E. Configure Authentication > AAA
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which technology cloud be used on top of an MPLS VPN to add confidentiality ?___
A. IPsec
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D. SSL
【单选题】
Which term is most closely aligned with the basic purpose of a SIEM solution? ___
A. Non-Repudiation
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D. Repudiation
【单选题】
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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D. A SNMP Group containing the SNMP managers
【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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【单选题】
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?___
A. The change applies to the parent signature and the entire family of subsignatures
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【单选题】
Which type of mechanism does Cisco FirePOWER de ploy to protect ag detected moving across other networks?___
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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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【单选题】
What is the main purpose of Control Plane Policing?___
A. to prevent exhaustion of route-proce ssor resources
B. to organize the egress packet queues
C. to define traffic classes
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【单选题】
Which attack can be prevented by OSPF authentication?___
A. smurf attack
B. IP spoofing attack
C. denial of service attack
D. buffer overflow attack
【单选题】
What is the best definition of hairpinning?___
A. ingress traffic that traverses the outbound interface on a device
B. traffic that enters one interface on a device and that exits through another interface
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【单选题】
Which SNMPv3 security level provides authentication using HMAC with MD5, but does not use encryption?___
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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 ?___
A. dynamic source NAT that uses an IP ad dress as a mapped source
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【单选题】
Refer to the exhibit. 【nat(ins,any)dynamic interface】Which ty pe of NaT is configured on a Cisco ASA?___
A. dynamic NAT
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【单选题】
Which mitigation technology for web-based threats prevents the removal of confidential data from the network?___
A. CTA
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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?___
A. the type of analysis the iS will perform
B. the amount of bandwidth available
C. whether RX and TX signals will use separate ports
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【多选题】
What are two direct-to-tower methods for redirecting web traffic to Cisco Cloud Web Security?___
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【多选题】
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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【多选题】
Which two models of A sa tend to be used in a data center?___
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【多选题】
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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1.三相刀开关的图形符号与交流接触器的主触点符号是___。
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2.刀开关的文字符号是___。
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【单选题】
3.行程开关的文字符号是___。
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【单选题】
4.交流接触器的文字符号是___。
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【单选题】
5.熔断器的作用是___。
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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。
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【单选题】
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A. 短路保护
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【单选题】
10维修电工以___、安装接线图和平面布置图最为重要。
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【单选题】
11.熔断器的额定电压应___线路的工作电压。
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