【填空题】
截断塞门由塞门体、塞门心、手把和___等组成。
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【填空题】
63、GYK只存储少量___，按照速度分级控制，根据机车信号信息，以进入闭塞分区后___m处为目标点，计算产生控制曲线，防止轨道车超速或越过关闭的信号机，监控轨道车安全运行。
【填空题】
76、车轮踏面无剥离、碾堆、擦伤及超限，轮缘厚度不小于___mm ，轮缘垂直磨耗不大于___mm ，踏面擦伤深度不大于 ___ mm ，轮辋厚度不小于___ mm ，踏面剥离长度一处不大于___mm ，二处时每处不大于___mm。
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【单选题】
在Excel 2007中，利用填充柄可以将数据复制到相邻单元格中。若选择含有数值的上下相邻的两个单元格，左键向下拖动填充柄，则数据将以___填充。
A. ：等差数列
B. ：等比数列
C. ：上单元格数值
D. ：下单元格数值
【单选题】
在Powerpoint2007中，若想在一屏内观看多张幻灯片的大致效果，可采用的方法是___。
A. ：切换到幻灯片放映视图
B. ：缩小幻灯片
C. ：切换到幻灯片浏览视图
D. ：切换到幻灯片大纲视图
【单选题】
以下关于计算机网络协议的叙述中，不正确的是___。
A. ：网络协议就是网络通信的内容
B. ：制定网络协议是为了保证数据通信的正确、可靠
C. ：计算机网络的各层及其协议的集合，称为网络的体系结构
D. ：网络协议通常由语义、语法、变换规则3部分组成
【单选题】
人工智能(AI)时代，人类面临许多新的安全威胁。以下___不属于安全问题。
A. ：AI可能因为学习了有问题的数据而产生安全隐患或
B. ：黑客入侵可能利用AI技术使白动化系统故意犯罪
C. :由于制度漏洞和监管不力，AI系统坑能面临失控，造成损失
D. ：AI技术在某些工作、某些能力方面超越人类，淘汰某些职业
【单选题】
计算机感染病毒后常见的症状中，一般不包括___。
A. ：计算机系统运行异常（如死机、运行速度降低、文件大小异常等
B. ：外部设备使用异常（如系统无法找到外部设备，外部设备无法使用
C. ：网络异常（如网速突然变慢，网络连接错误，许多网站无法访问
D. ：应用程序计算结果异常（如输出数据过多或过少过大或过小
【单选题】
面向社会服务的信息系统突发安全事件时所采取的技术措施中一般不包括___。
A. ：尽快定位安全风险点，努力进行系统修复
B. ：将问题控制在局部范围内，不再向全系统扩散
C. ：关闭系统，切断与外界的信息联系，逐人盘查
D. ：全力挽回用户处理的信息，尽量减少损失
【单选题】
建立规范的信息处理流程的作用一般不包括___。
A. ：使各个环节衔接井井有条，不重复，不遗漏
B. ：各步骤都有数据校验，保证信息处理的质量
C. ：减少设备的损耗，降低信息处理成本
D. ：明确分工和责任，出现问题便于追责
【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】
)，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】
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
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