【单选题】
发生危险化学品事故后，应该向___方向疏散？[单选题]
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【单选题】
焊割时，各种明火距氧气瓶应在___以外？[单选题]
【单选题】
下面___火灾用水扑救会使火势扩大？[单选题]
【单选题】
火灾扑救的基本原则是___？[单选题]
A. 先控制后消灭
B. 先消灭后控制
C. 只消灭不控制
【单选题】
灭火器上的压力表用红、黄、绿三色表示灭火器的压力情况，当指针指在黄色区域表示___？[单选题]
【单选题】
火场中防止烟气危害最简单的方法是___ ？[单选题]
A. 用毛巾或衣服捂住口鼻低姿势沿疏散通道逃生
B. 大声呼救
C. 跳楼或窗口逃生
【单选题】
发生火灾时，如各种逃生的路线被切断，适当的做法应当是___？[单选题]
A. 大声呼救
B. 强行逃生
C. 退居室内，关闭门窗，同时可向室外发出求救信号
【单选题】
下列场所灭火器配置方案中，错误的是___？[单选题]
A. 商场服装库房配置水基型灭火器
B. 碱金属（钾钠）库房配置水基型灭火器
C. 食用油库房配置泡沫灭火器
【单选题】
可燃物开始持续燃烧所需要的最低温度称之为___？[单选题]
【单选题】
禁止在具有火灾、爆炸危险的场所使用明火，因特殊情况需要进行电、气焊等明火作业的，动火部门和人员应当按照单位的用火管理制度办理审批手续，落实___，在确认无火灾、爆炸危险后方可动火施工？[单选题]
【单选题】
在空气不流通的狭小地方使用二氧化碳灭火器可能造成的危险是___？[单选题]
【单选题】
火灾初期阶段是扑救火灾___的阶段？[单选题]
【单选题】
使用灭火器扑灭初起火灾时要对准火焰的___喷射？[单选题]
【单选题】
发现燃气泄漏，要速关阀门，打开门窗，不能___？[单选题]
A. 触动电器开关或拨打电话
B. 使用明火
C. A和B都正确
【单选题】
爆炸品着火禁止使用的灭火剂为___ ？[单选题]
【单选题】
一般来讲___ ？[单选题]
A. 气体比较容易燃烧,其次是液体,再次是固体
B. 液体比较容易燃烧,其次是气体,再次是固体
C. 固体比较容易燃烧,其次是液体,再次是气体
【单选题】
下列关于特殊化学品火灾扑救说法不正确的是___ ？[单选题]
A. 扑救爆炸物品火灾时,水流应采用吊射
B. 扑救爆炸物品堆垛火灾时,切忌用沙土盖压
C. 扑救压缩气体或液化气体类火灾时,应立即扑灭火焰
【单选题】
当身上衣服着火时，可立即 ___？[单选题]
A. 奔跑离开火场，灭掉身上火苗
B. 用手或物品扑打身上火苗
C. 就地打滚，压灭身上火苗
【单选题】
发生火灾时，应___逃生？[单选题]
A. 从消防通道
B. 乘坐电梯
C. 向下层楼跑
【单选题】
静电最为严重的危险是___ ？[单选题]
A. 静电电击
B. 妨碍生产
C. 引起爆炸和火灾
【单选题】
毒物进入人体的途径有三个,即___ ？[单选题]
A. 口、鼻、耳
B. 食物、空气、水
C. 皮肤、呼吸道、消化道
【单选题】
危险品库房内敷设的配电线路，___。？[单选题]
A. 可以不穿管敷设
B. 应穿一般塑料管保护
C. 必须穿金属管或难燃塑料管保护
【单选题】
生产、使用易燃易爆化学物品场所的电气设备，必须符合国家___标准？[单选题]
【单选题】
扑救电气火灾，首先应做的是___？[单选题]
A. 切断电源
B. 使用干粉灭火器灭火
C. 使用二氧化碳灭火器灭火
【单选题】
电气设备着火后，如果不能断电，应如何处理？___？[单选题]
A. 用泡沫灭火器灭火
B. 用二氧化碳灭火器灭火
C. 用水灭火
【单选题】
导线与导线、导线与电气设备的连接处由于接触面处理不好，接头松动，造成连接电阻过大，形成局部过热的现象，称为___ ？[单选题]
【单选题】
正在通电使用的灯泡反复出现时暗时亮现象，可能是电路存在___故障？[单选题]
【单选题】
电脑着火了，应作何紧急处理？___？[单选题]
A. 迅速往电脑上泼水灭火
B. 拔掉电源插头，然后用湿抹布盖住电脑
C. 马上拨打119，请消防队来灭火
【单选题】
扑救电气火灾应当使用___？[单选题]
【单选题】
对新建的易燃易爆化学物品生产场所工程的消防设计未经住房和城乡建设部门审核或者审核不合格，擅自施工的，消防机构应当___？[单选题]
A. 责令停止违法行为
B. 责令限期改正
C. 责令停止施工并处罚款
【单选题】
___不得与居住场所设置在同一建筑物内，并应当与居住场所保持安全距离？[单选题]
A. 人员密集场所
B. 公共娱乐场所
C. 生产、储存、经营易燃易爆危险品的场所
【单选题】
如果听到疏散警报，以下行动不正确的是___？[单选题]
A. 沉着冷静有条不紊地逃向最近的安全出口
B. 立即离开火警所在的建筑物！切勿意图进入有锁的房间等拿取私人物品
C. 乘坐电梯离开
【单选题】
疏散走道及其转角处的安全指示标志宜设置在___？[单选题]
A. 走道地面上
B. 走道顶部
C. 距地面1米以下墙面上
【单选题】
同一建筑物由两个以上单位管理或者使用的，应当明确各方的___，并确定责任人对共用的疏散通道、安全出口、建筑消防设施和消防车通道进行统一管理？[单选题]
A. 消防经费责任
B. 消防培训责任
C. 消防安全责任
【单选题】
建筑构件在空气中遇明火或在高温作用下难起火，当火源移开后燃烧立即停止，则这种构件是___？[单选题]
【单选题】
在火灾过程中，___是造成烟气向上蔓延的主要因素？[单选题]
【单选题】
所居住的高层建筑发生火灾时，可通过什么方法逃生？___？[单选题]
A. 乘坐电梯
B. 从窗口跳出
C. 从安全通道有秩序下楼
【单选题】
发生火灾后，当我们跑到楼梯口发现楼梯间全部是浓烟时，我们应该___？[单选题]
A. 进楼梯间往下跑
B. 进楼梯间往上跑
C. 不进入楼梯间，寻找其他逃生途径
【单选题】
高层建筑楼梯间防火门应保持___状态？[单选题]
【单选题】
___的门窗不得设置影响逃生和灭火救援的障碍物？[单选题]
A. 人员密集场所
B. 居民楼
C. 学校实验楼
【单选题】
在火灾中，跳楼逃生相对安全的楼层是___？[单选题]
A. 五层以下楼房均可
B. 楼房两层以下，且室外地面为花园草坪等非硬化地面
C. 所有楼层都可以
推荐试题
【单选题】
which technology cloud be used on top of an MPLS VPN to add confidentiality ？___
A. IPsec
B. 3DES
C. AES
D. SSL
【单选题】
Which term is most closely aligned with the basic purpose of a SIEM solution? ___
A. Non-Repudiation
B. Accountability
C. Causality
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？___
A. A SNMP View containing the SNMP managers
B. Routing Filter with the SNMP managers in it applied outbound
C. A standard ACL containing the SNMP managers applied to the SNMP configuration
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？___
A. BPDU filte
B. DHCP snooping
C. BPDU guard
D. Port Fast
【单选题】
Which command enables port security to use sticky MAC addresses on a switch？___
A. switchport port-security violation restrict
B. switchport port-security mac-address sticky
C. switchport port-security violation protect
D. switchport port-security
【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
B. The change applies to the parent signature and the subsignature that you edit
C. The change applies only to subsignatures that are numbered sequentially after the subsignature that you edit
D. Other signatures are unaffected， the change applies only to the subsignature that you dit
【单选题】
Which type of mechanism does Cisco FirePOWER de ploy to protect ag detected moving across other networks？___
A. antivirus scanning
B. policy-based
C. reputation-based
D. signature-based
【单选题】
What action must you take on the ise to blacklist a wired device？___
A. Locate the switch through which the device is connected and push an a cl restricting all access by the device
B. Issue a CoA request for the de vice's mac address to each access switch in the network
C. Revoke the device's certificate so it is unable to authenticate to the network
D. Add the device's MAc address to a list of black listed devices
【单选题】
Which type of firewall can perform deep packet inspection？___
A. packet-filtering firewall
B. stateless firewall
C. application firewall
D. personal firewall
【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
D. to maintain the policy map
【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
C. traffic that enters and exits a device through the same interface
D. traffic that tunnels through a device interface
【单选题】
Which SNMPv3 security level provides authentication using HMAC with MD5， but does not use encryption？___
A. authPriv
B. authNo Priv
C. noAuthNoPriv
D. NoauthPriv
【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.
B. Disable the dynamic blacklist and deny the specif ic address on a whitelist while permitting the others
C. Edit the dynamic blacklist to remove the approved addresses
D. Disable the dynamic blacklist and create a static blacklist in its place
【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
B. static destination NAT that uses a subnet as a real de stination
C. dynamic source NAT that uses a range as a mapped source
D. static destination NAT that uses a subnet as a real source
【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
B. source identity NAT
C. dynamic PAT
D. identity twice NAT
【单选题】
Which mitigation technology for web-based threats prevents the removal of confidential data from the network？___
A. CTA
B. DCA
C. AMP
D. DLP
【单选题】
Refer to the exhibit. What is the effect of the given configuration？___
A. It establishes the preshared key for the switch
B. It establishes the preshared key for the firewall.
C. It establishes the preshared key for the Cisco ISE appliance
D. It establishes the preshared key for the router.
【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
D. the way in which media errors will be handled
E. the way in which dropped packets will be handled
【多选题】
What are two direct-to-tower methods for redirecting web traffic to Cisco Cloud Web Security？___
A. third-party proxies
B. Cisco Catalyst platforms
C. Cisco NAC Agent
D. hosted PAC files
E. CiSco ISE
【多选题】
Which three descriptions of RADIUS are true？ ___
A. It uses TCP as its transport protocol.
B. Only the password is encrypted
C. It supports multiple transport protocols
D. It uses UDP as its transport protocol
E. It combines authentication and authorization
F. It separates authentication，authorization，and accounting
【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
B. enabling BPDU guard on all access ports
C. creating VLAN 99 and using switchport trunk native vlan 99 command on trunk ports
D. applying ACl between VLAN
E. using switchport mode access command on all host ports
F. using switchport nonegotiate command on dynamic desirable ports
【多选题】
What are two features of transparent firewall mode ___
A. It conceals the presence of the firewall from attackers
B. It allows some traffic that is blocked in routed mode
C. It enables the aSA to perform as a router.
D. It acts as a routed hop in the network.
E. It is configured by default
【多选题】
Which two models of A sa tend to be used in a data center？___
A. 5555X
B. 5585X
C. ASA service module
D. 5512X
E. 5540
F. 5520
【多选题】
Which two statements about hardware-based encrption are true？___
A. It is widely accessible
B. It is potentially easier to compromise than software-based encryption. It requires minimal configuration
C. It requires minimal configuration
D. It can be implemented without impacting performance
E. It is highly cost-effective
【多选题】
In which two modes can the Cisco We b Security appliance be de ployed？___
A. as a transparent proxy using the Secure Sockets Layer protocol
B. as a transparent proxy using the Web Cache Communication Protocol
C. explicit proxy mode
D. as a transparent proxy using the Hyper Text Transfer Protocol
E. explicit active mode
【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】
5．熔断器的作用是___。
A. 短路保护
B. 过载保护
C. 失压保护
D. 零压保护
【单选题】
6．热继电器的作用是___。
A. 短路保护
B. 过载保护
C. 失压保护
D. 零压保护
【单选题】
7．交流接触器的作用是可以___接通和断开负载。
【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
B. 速度继电器
C. 交流接触器
D. 漏电保护器
【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
B. 超速保护
C. 失磁保护
D. 零速保护
【单选题】
10维修电工以___、安装接线图和平面布置图最为重要。
A. 电气原理图
B. 电气设备图
C. 电气安装图
D. 电气组装图
【单选题】
11．熔断器的额定电压应___线路的工作电压。
A. 远大于
B. 不等于
C. 小于等于
D. 大于等于
【单选题】
12．对于电阻性负载，熔断器熔体的额定电流___线路的工作电流。
A. 远大于
B. 不等于
C. 等于或略大于
D. 等于或略小于
【单选题】
13．对于电动机负载，熔断器熔体的额定电流应选电动机额定电流的___倍。
A. 1~1.5
B. 1.5-2.5
C. 2.0~3.0
D. 2.5~3．5
【单选题】
14．使用快速熔断器时，一般按___来选择。
A. IN=1.03IF
B. IN=1.57IF
C. IN=2.57IF
D. IN=3IF
