相关试题
【单选题】
新参加电气工作的人员、实习人员和临时参加劳动的人员(管理人员、非全日制用工等),应经过___后,方可到现场参加指定的工作,并且不得单独工作。
A. 学习培训
B. 安全知识教育
C. 考试合格
D. 电气知识培训
【单选题】
在原工作票的停电及安全措施范围内增加工作任务时,应由工作负责人征得工作票签发人和___同意,并在工作票上增填工作项目。
A. 当值调度
B. 专责监护人
C. 工作许可人
D. 当值运行人员
【单选题】
专责监护人的安全责任包含:明确被监护人员和___。
A. 许可工作的命令正确;
B. 工作必要性;
C. 监护范围;
D. 安全注意事项
【单选题】
第一、二种工作票和带电作业工作票的有效时间,以___为限。
A. 周计划指定的检修期;
B. 申请的检修期;
C. 批准的检修期;
D. 月度计划指定的检修期
【单选题】
带电作业工作票___。
A. 不准延期;
B. 可延期一次;
C. 可延期两次;D.可延期三次
【单选题】
用户变、配电站的工作许可人应是___工作人员。
A. 用户的专业管理部门;
B. 用户变电站;
C. 用户的生产部门;
D. 持有效证书的高压电气
【单选题】
许可工作前,工作许可人应会同工作负责人到现场___安全措施,对具体的设备指明实际的隔离措施,证明检修设备确无电压。
A. 分别做;
B. 再次检查所做的;
C. 共同做;
D. 了解
【单选题】
工作负责人、___应始终在工作现场,对工作班人员的安全认真监护,及时纠正不安全的行为。
A. 工作票签发人;
B. 专责监护人;
C. 工作许可人;
D. 安全监督人员
【单选题】
若专责监护人必须长时间离开工作现场时,应由___变更专责监护人,履行变更手续,并告知全体被监护人员。
A. 工作票签发人;
B. 工作负责人;
C. 工作许可人;
D. 工作票签发人与工作负责人
【单选题】
已终结的工作票、事故紧急抢救单应保存___。
A. 3个月;
B. 半年;
C. 100天;
D. 1年
【单选题】
任何运行中的星形接线设备的中性点,应视为___设备。
A. 电流接地;
B. 不带电;
C. 带电;
D. 停电
【单选题】
检修设备停电,应拉开隔离开关(刀闸),___应拉至试验或检修位置,应使各方面有一个明显的断开点。
A. 隔离开关(刀闸);
B. 断路器;
C. 手车开关;
D. 保护切换开关
【单选题】
在一经合闸即可送电到工作地点的断路器(开关)和隔离开关(刀闸)的操作把手上,均应悬挂___的标示牌。
A. “禁止合闸,有人工作!”;
B. “禁止合闸,线路有人工作!”;
C. “禁止分闸!”;
D. “禁止攀登,高压危险!”
【单选题】
___kV及以下设备可用与带电部分直接接触的绝缘隔板代替临时遮栏。
A. 10;
B. 35;
C. 110;
D. 20
【单选题】
高压开关柜内手车开关拉出后,隔离带电部位的挡板封闭后___,并设置“止步,高压危险!”的标示牌。
A. 采取制动措施
B. 禁止开启
C. 应设置围栏
D. 应将其闭锁
【单选题】
在室外高压设备上工作,工作地点四周围栏上悬挂适当数量的___标示牌,标示牌应朝向围栏里面。
A. “从此进出!”;
B. “在此工作!”;
C. “止步,高压危险!”;
D. “禁止攀登,高压危险!”
【单选题】
在室外构架上工作,在邻近其他可能误登的带电架构上,应悬挂___的标示牌。
A. “止步,高压危险!”;
B. “禁止攀登,高压危险!”;
C. “从此上下!”;
D. “有电危险!”
【单选题】
因工作原因必须短时移动或拆除遮栏(围栏)、标示牌,应征得___同意,并在工作负责人的监护下进行。
A. 工作负责人;
B. 监护人;
C. 签发人;
D. 工作许可人
【单选题】
线路停电检修工作结束时,应得到___的工作结束报告。确认所有工作班组均已竣工,接地线已拆除,作业人员已全部撤离线路,与记录核对无误并做好记录后,方可下令拆除变电站或发电厂内的安全措施,向线路送电。
A. 工作负责人(包括用户);
B. 线路工作许可人;
C. 工作票签发人;
D. 线路工区主任
【单选题】
值班调控人员或线路工作许可人应将线路停电检修的___和工作任务做好记录。
A. 工作班组数目、工作负责人姓名;
B. 工作地点;
C. 工作班组数目、工作负责人姓名、工作地点;
D. 工作负责人姓名、工作地点
【单选题】
带电作业规定,保护间隙的接地线应用多股软铜线。其截面应满足接地短路容量的要求,但不得小于___m㎡。
A. 50;
B. 25;
C. 16;
D. 8
【单选题】
进行直接接触20kV及以下电压等级带电设备的作业时,应穿合格的绝缘防护用具;使用的___、安全帽应有良好的绝缘性能,必要时戴护目镜。
A. 安全带;
B. 工具;
C. 腰带;
D. 登高板
【单选题】
高压试验工作不得少于两人,试验负责人应由___担任。
A. 有试验资质人员
B. 工作负责人
C. 班长
D. 有经验的人员
【单选题】
高压试验装置的电源开关,应使用明显断开的双极刀闸。为了防止误合刀闸,可在___上加绝缘罩。
A. 手柄;
B. 开关;
C. 刀闸;
D. 刀刃或刀座
【单选题】
在电缆隧(沟)道内巡视时,作业人员应携带便携式气体测试仪,通风不良时还应携带___。
A. 正压式空气呼吸器;
B. 防毒面具;
C. 口罩;
D. 湿毛巾;
【单选题】
变电站(生产厂房)内外工作场所的井、坑、孔、洞或沟道,应覆以与地面齐平而坚固的___。
A. 地砖;
B. 地板;
C. 盖板;
D. 围栏
【单选题】
工作场所的照明,应该保证足够的亮度。照明灯具的悬挂高度应不低于___m,并不得任意挪动。
A. 1.5;
B. 2.0;
C. 2.5;
D. 3.0
【单选题】
使用工具前应进行检查,机具应按其___的规定使用,不准使用已变形、已破损或有故障的机具。
A. 出厂说明书;
B. 铭牌;
C. 出厂说明书和铭牌;
D. 出厂说明书和铭牌与限额
【单选题】
电气工具和用具应由专人保管,___应由电气试验单位进行定期检查。
A. 每3个月;
B. 每6个月;
C. 每年
D. 每两年
【单选题】
不准在带有压力(液体压力或气体压力)的设备上或带电的设备上进行焊接。对承重构架进行焊接,应经过___。
A. 设备运维部门许可;
B. 有关技术部门的许可;
C. 检修部门批准;
D. 单位总工程师批准
【单选题】
使用中的氧气瓶和乙炔气瓶应___固定放置,氧气瓶和乙炔气瓶的距离不得小于5m,66.气瓶的放置地点不准靠近热源,应距明火10m 以外。
A. 水平;
B. 倾斜;
C. 并排;
D. 垂直
【单选题】
在变电站内使用起重机械时,应安装接地装置,接地线应用多股软铜线,其戴面应满足接地短路容量的要求,但不得小于___m㎡。
A. 25;
B. 16;
C. 10;
D. 35
【单选题】
链条葫芦使用前应检查吊钩、___、传动装置及刹车装置是否良好。
A. 链条;
B. 制动装置;
C. 限制器;
D. 控制器
【单选题】
在高处作业,较大的工具应用绳栓在___
A. 牢固的构件上;
B. 设备上;
C. 设备外壳上;
D. 横担上
【单选题】
在进行高处作业时,工作地点___ 应有围栏或装设其他保护装置,防止落物伤人。
A. 周围;
B. 附近;
C. 下面;
D. 旁边
【单选题】
使用单梯工作时,梯与地面的斜角度约为___。
A. 60°;
B. 40°;
C. 30°;
D. 45°
【单选题】
硬质梯子的横档应嵌在支柱上,并在距梯顶___m处设限高标志。
A. 0.6;
B. 0.8;
C. 1.0;
D. 1.2
【单选题】
触电急救,在医务人员___前,不得放弃现场抢救,更不能只根据没有呼吸或脉搏的表现,擅自判定伤员死亡,放弃抢救。
A. 未到来;
B. 未接替救治;
C. 作出死亡诊断;
D. 判断呼吸或脉搏表现
【单选题】
触电急救,首先要使触电者迅速脱离___,越快越好。
A. 电源;
B. 设备;
C. 现场;
D. 危险
【单选题】
判断伤员有无意识和反应,应在___s以内完成。
推荐试题
【单选题】
在大型分布式信息系统中,为提高信息处理效率,减少网络拥堵,信息存储的原则是:数据应尽量___。
A. :集中存储在数据中心
B. :分散存储在数据产生端
C. :靠近数据使用端存储
D. :均衡地存储在各个终端
【单选题】
某社区有1 2个积极分子A~L,他们之间的联系渠道见下图。居委会至少需要通知他们之中___个人,才能通过联系渠道通知到所有积极分子。
A. : 1
B. : 2
C. : 3
D. : 4
【单选题】
___属于人工智能的应用。
A. :程序设计
B. :指纹识别
C. :社区聊天
D. :数据统计
【单选题】
),并了解他们考虑的一些问题。这些问题一般不包括___。
A. :他们对将要讨论的事项了解多少
B. :他们需要什么,又想要知道什么
C. :他们的艺术水平和欣赏能力如何
D. :他们将如何利用分析展示的信息
【单选题】
信息处理技术员资格考试的试卷包括信息处理基础知识、计算机基础知识、法律法规知识、专业英语、办公软件使用技能五个方面。某次考试后,对这五个方面分别统计了各考生的得分率以及全国的平均得分率。为了直观展现每个考生在各个方面的水平以及该考生的整体水平,并与全国平均水平进行比较,宜采用___。
A. :直方图
B. :圆饼图
C. :折线图
D. :雷达图
【单选题】
The___ is the primary device for entering information into the computer
A. :disk
B. :printer
C. :keyboard
D. :memory
【单选题】
___ system let you run more tlian one program at a time
A. : Application
B. :Software
C. : Real time
D. :Multitask
【单选题】
Small business may use___ for word processing
A. : microcomputers
B. :industrial computers
C. : mainframe computers
D. :supercomputers
【单选题】
Once you've made the Internet connection, you can send___ to any of computer user all around the w orld
A. :e-mail
B. :WWW
C. :ccc
D. :web station
【单选题】
Which statement about zone-based firewall configuration is true?___
A. You can assign an interface to more than one zone
B. Traffic is implicitly denied by de fault between interfaces in the same zone
C. The zone must be configured before it can be a ssigned
D. Traffic that is destined to or sourced from the Self zone is de nied by default
【单选题】
Refer to the exhibit line in this configuration prevents the help Desk user from modifying the interface configuration.___
A. Privilege exec level 10 interface
B. Privilege exec level 9 configure terminal
C. Privilege exec level 7 show start-up
D. Username HelpDesk privilege 6 password help
【单选题】
You have been tasked with blocking user access to websites that violate company policy, but the sites use dynamic IP addresses. What is the best practice for URl filtering to solve the problem?___
A. Enable URL filtering and use URL categorization to block the we bsites that violate company
B. Enable URL filtering and create a blacklist to block the websites that violate company policy
C. Enable URL filtering and create a whitelist to block the websites that violate company policy
D.
E. nable URL filtering and use URL categorization to allow only the websites that company policy allows users to access.
【单选题】
Within an 802. 1x-enabled network with the auth Fail feature configured, when does a switch port get placed into a restricted VLAN?___
A. When a conected client fails to authenticate after a certain number of attempts.
B. if a connected client does not support 802. 1x
C. when AAA new-model is ena bled
D. after a connected client exceeds a specified idle time
E. when 802. 1x is not globally enabled on the Cisco Catalyst switch
【单选题】
Which type of attack does a proxy firewall protect against ?___
A. cross-site scripting attack
B. worm traffic
C. port scanning
D. DDoS attacks
【单选题】
When an administrator initiates a device wipe command from the ISE, what is the immediate effect?___
A. It requests the administrator to choose between erasing all device data or only managed corporate data.
B. It requests the administrator to enter the device pin or password before proceeding with the operation
C. It notifies the device user and proceeds with the erase operation
D. It immediately erases all data on the device
【单选题】
What is a valid implicit permit rule for traffic that is traversing the ASa firewall?___
A. ARPs in both directions are permitted in transparent mode only
B. Unicast IPv4 traffic from a higher security interface to a lower security interface is permittee in routed mode only.
C. Unicast IPv6 traffic from a higher security interface to a lower security interface is permitted in transparent mode only.
D. Only BPDUs from a higher security interface to a lower secur ity interface are permitted in transparent mode.
E. Only BPDUs from a higher security interface to a lower secur ity interface are permitted in routed mode
【单选题】
A specific URL has been identified as containing malware. What action can you take to block users from accidentally visiting the URl and becoming infected with malware ?___
A. Enable URL filtering on the perimeter router and add the URls you want to block to the router's local URL list
B. Enable URL filtering on the perimeter firewall and add the URls you want to allow to the router's local URL list.
C. Enable URL filtering on the perimeter router and add the URls you want to allow to the firewall's local URL list
D. Create a blacklist that contains the URl you want to block and activate the blacklist on the perimeter rout
E. Create a whitelist that contains the URLs you want to allow and activate the whitelist on the perimeter router.
【单选题】
How does PEAP protect the EAP exchange ?___
A. It encrypts the exchange using the server certificate
B. It encrypts the exchange using the client certificate
C. It validates the server-supplied certificate,and then encrypts the exchange using the client certificate
D. It validates the client-supplied certificate,and then encrypts the excha nge using the server certificate
【单选题】
Which feature of the Cisco Email Security Appliance can mitigate the impact of snowshoe spam and sophisticated phishing attacks?___
A. contextual analysis
B. holistic understanding of threats
C. graymail management and filtering
D. signature-based IPS
【单选题】
Refer to the exhibit【nat (inside,outside)dunamic interface】 Which translation technique does this configuration result in?___
A. DynamIc PAT
B. Dynamic NAT
C. Twice NAT
D. Static NAT
【单选题】
Refer to the exhibit which are repre sents the data center?___
【单选题】
While trouble shooting site-to-site VPN, you issued the show crypto isakmp sa command. What does the given output show?___
A. IKE Phase 1 main mode was created on 10.1.1.5, but it failed to negotiate with 10.10 10.2
B. IKE Phase 1 main mode has successfully negotiated between 10.1.1.5 and 10.10..
C. IKE Phase 1 aggressive mode was created on 10.1.1.5, but it failed to negotiate with
【单选题】
Refer to the exhibit All ports on switch 1 have a primary vLan of 300 Which devices can host 1 reach?___
A. host 2
B. server
C. host 4
D. other devices within VLAN303
【单选题】
Which option is the cloud-based security service from Cisco the provides URL filtering, web browsing content security, and roaming user protection?___
A. Cloud Web service
B. Cloud Advanced Malware Protection
C. Cloud We b Security
D. Cloud Web Protection
【单选题】
How can you detect a false negative on an IPS?___
A. View the alert on the ips
B. Review the ips log
C. Review the is console
D. Use a third- party system to perform penetration testing.
E. Use a third- party to audit the next generation firewall rules
【单选题】
If a switch port goes directly into a blocked state only when a superior BPDU is received, what mechanism must be in use?___
A. STP BPDU guard
B. Loop guard
C. EtherChannel guard
D. STP Root guard
【单选题】
what improvement does EAP-FASTv2 provide over EAP-FAST? ___
A. It allows multiple credentials to be passed in a single EAP exchange.
B. It supports more secure encryption protocols
C. It allows faster authentication by using fewer packets.
D. It addresses security vulnerabilities found in the original protocol
【单选题】
When users login to the Client less Ssl Vpn using https://209.165.201.2/test ,which group policy will be applied?___
A. test
B. clientless
C. sales
D. DfitGrp Policy
E. Default RAGroup
F. Default WEB VPN
G. roup
【单选题】
Which user authentication method is used when users login to the Clientless SSLVPN portal using https://209.165.201.2/test?___
A. AAA with LOCAL database
B. AAA with RADIUS server
C. Certificate
D. :Both Certificate and aaa with LoCAL database
E. Both Certificate and AAA with RADIUS server
【单选题】
What' s the technology that you can use to prevent non malicious program to runin the computer that is disconnected from the network?___
A. Firewall
B. Sofware Antivirus
C. Network IPS
D. Host IPS
【单选题】
Which statement about the communication between interfaces on the same security level is true?___
A. Interfaces on the same security level require additional configuration to permit interinterface communication
B. Configuring interfaces on the same security level can cause asymmetric routing
C. All traffic is allowed by default between interfaces on the same security level
D. You can configure only one interface on a n individual security level
【单选题】
Which product can be used to provide application layer protection for tcp port 25 traffic?___
A. ESA
B. CWS
C. WSA
D. ASA
【单选题】
which iPS mode is less secure than other options but allows optimal network through put ?___
A. inline mode
B. inline-bypass mode
C. transparent mode
D. Promiscuous mode
【单选题】
Which feature of the Cisco Email security Appliance can mitigate the impact of snowshoe spam and sophisticated phishing attack?___
A. reputation based filtering
B. signature based IPS
C. contextual analysis
D. graymail management and filtering
【单选题】
Which type of social-engineering attack uses normal tele phone service as the attack vector?___
A. smishing
B. dialing
C. phishing
D. vishing
【单选题】
Which quantifiable item should you consider when you organization adopts new technologies?___
A. exploits
B. vulnerability
C. threat
D. Risk
【单选题】
Referencing the ClA model, in which scenario is a hash- only function most appropriate ?___
A. securing data at rest
B. securing real-time traffic
C. securing data in files
D. securing wireless transmissions
【单选题】
Which ports must be open between a aaa server and a microsoft server to permit Active Directory authentications?___
A. 445 and 389
B. 888 and 3389
C. 636 and 4445
D. 363 and 983
【单选题】
Refer to the exhibit for which reason is the tunnel unable to pass traffic___
A. the tunnel is failing to receive traffic from the remote peer
B. the local peer is unable to encrypt the traffic
C. the ip address of the remote peer is incorrect
D. UDP port 500 is blocked
【单选题】
Which type of attack can exploit design flaws in the implementation of an application without___
A. DHCP starvation attacks
B. low-rate dos attacks
C. application DDos flood attacks
D. application DDoS flood attacks
E. volume-based DDoS attacks