【填空题】
50.精确制导技术是指采用高技术直接命中概率超过___以上的武器。
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答案
50%
解析
暂无解析
相关试题
【单选题】
What is an example of social engineering？___
A. gaining access to a computer by observing the user login credentials
B. gaining access to a build through an unguarded entrance
C. gaining access to a server by using a USB stick
D. gaining access to a server room by posing as local IT
【单选题】
Which type of Layer 2 attack enables the attacker to intercept traffic that is intended for one specific recipient？___
A. BPDU attack
B. DHCP starvation I LAB
C. MAC address spoofing
D. CAM table overflow
【单选题】
Which about nested policy maps in a zone-based firewall is true ?___
A. They are limited to two leve ls in a hierarchical policy
B. Parent policies are previously defined policies that are defined by using the service policy command
C. A child policy is a new policy that uses a pre-existing policy.
D. A child policy is a new that uses a pre-existing policy
【单选题】
In which configuration do you configure the ip ospf authentication key 1 command？___
A. routing process
B. interface
C. privileged
D. global
【单选题】
Which statement about command authorization and security contexts is true？___
A. If command authorization is configured， it must be enabled on all contexts.
B. The change to command invokes a new context session with the credentials of the currently
C. AAA settings are applied on a per-context basis
D. The enable. 15 user ang admins with chang to permission ha e dfferent command authorization levels pertontext
【单选题】
Which command do you enter to enable authentication for OSPF on an interface？___
A. router（config-if）#ip ospf message-digest-key 1 md5 CIS COPASS
B. router（config-if）#ip ospf authentication message-digest
C. router（config-if）#ip ospf authentication-key CISCOPASS
D. router（config-if）#area 0 authentication message-digest
【单选题】
What feature defines a campus area network？___
A. It has a single geographic location
B. It lacks external connectivity.
C. It has a limited number of segments.
D. It has limited or restricted Internet access
【单选题】
Which type of attack most commonly involves a direct attack on a network？___
A. :phishing
B. Trojan horse
C. denial of service
D. social engineering
【单选题】
What information does the key length provide in an encryption algorithm?___
A. the cipher block size
B. the hash bloc k size
C. the number of permutations
D. the packet size
【单选题】
How do you verify TaCACS+ connectivity to a device？___
A. You successfully log in to the device by using the local credentials
B. You connect via console port and receive the login prompt.
C. You connect to the device using SSH and receive the login prompt.
D. You successfully log in to the device by using ACS credentials
【单选题】
Which term best describes the concept of preventing the modification of data in transit and in storage？___
A. availability
B. confidentially
C. fidelity
D. integrity
【单选题】
Which loS command is used to define the authentication key for ntp？___
A. switch（config ）#ntp authentication-key 1 mds Clcs
B. switch（config ）#ntp authenticate
C. switch（config）#ntp trusted-key 1
D. switch（config）#ntp source 192.168.0.1
【单选题】
What is true about the cisco lOS Resilient Configuration feature ?___
A. The feature can be disabled through a remote session
B. There is additional space required to secure the primary cisco lOS image file.
C. The feature automatically detects image or configuration version mismatch.
D. Remote storage is used for securing files
【单选题】
When is the default deny all policy an exception in zone-based firewalls？___
A. when traffic terminates on the router via the self zone
B. when traffic traverses two interfaces in different zones
C. when traffic traverses two interfaces in the same zone
D. when traffic sources from the router via the self zone
【单选题】
.If an access port is assigned as an isolated port in a PVLAN， which network ports can it communicate with？___
A. promiscuous ports in the same PLVAN
B. isolated ports in the same PVLAN
C. all ports in the same PAVLAN at ILAR
D. all ports in the adjacent PVLAN
【单选题】
Which IPSEC mode is used to encypt traffic directly between a client and a server VPN endpoint？___
A. quick mode
B. transport mode
C. aggressive mode
D. tunnel mode
【单选题】
Which command do you enter to verify that a vpn connection is established between two endpoints and that the connection is passing traffic？ ___
A. Firewall#sh crypto session
B. Firewall#debug crypto isakmp
C. Firewall#tsh crypto ipsec sa
D. Firewall#sh crypto isakmp sa
【单选题】
which type of Pvlan port allows communication from all port types？___
A. isolated
B. in -line
C. community
D. promiscuous
【单选题】
Which command do you enter to configure your firewall to conceal internal addresses？___
A. no ip directed-broadcast
B. no ip logging facility
C. no proxy-arp
D. no ip inspect audit-trial
E. no ip inspect
F. route
【单选题】
Which feature defines a campus area network？ ___
A. It has a limited number of segments.
B. It has limited or restricted Internet access
C. It lacks ex1ternal connectivity.
D. It has a single geographic location
【单选题】
What technology can you use to provide data confidentiality data integrity and data origin authentication on your network？___
A. IPSec
B. Certificate Authority
C. IKE
D. Data
E. ncryption Standards
【单选题】
which standard is a hybrid protocol that uses oakley and skerne ke y exchanges is an ISAKMP framework？___
A. SHA
B. IPSec
C.
D. ES
【单选题】
What is the effect of the asa command crypto isakmp nat-traversal？___
A. It opens port 500 only on the out side interface
B. It opens port 500 only on the inside interface
C. It opens port 4500 on all interfaces that are IPSec enabled
D. It opens port 4500 only on the out side interfac
【单选题】
Which Fire POWER preproce ssor engine is used to prevent SYN attacks？___
A. Inline normalization
B. IP Defragmentation
C. Ports can
D. etection
【单选题】
Which NAT type allows objects or groups to reference an IP address ？___
A. identity NAt
B. static NAT
C. dynamic
D. dynamic NAT
【单选题】
Which Auto NAT policies are processed first？___
A. Dynamic NAT with longest prefix
B. Dynamic NAT with shortest prefix
C. static NAT with longest prefix
D. static NAT with shortest prefix
【单选题】
Which feature allows a dynamic Pat pool to se lect the next address in the pat pool instead of the next port of an existing address？___
A. next IP
B. round robin
C. dynamic rotation
D. NAT address rotation
【单选题】
Which IPS detection method can you use to detect attacks that are based on the attackers IP address？___
A. anomally-based
B. policy-based
C. signature-based
D. reputation-based
【单选题】
Which type of encryption technology has the broadest platform support？___
A. software
B. middleware
C. file-level
D. hardware
【单选题】
Which type of address translation supports the initiation of comm unications bidirectionally ？___
A. multi-session PAT
B. dynamic NAT
C. dynamic PAT
D. static NAT
【单选题】
Which label is given to a person who uses existing computer scripts to hack into computers while lacking the expertise to write the own？___
A. script kiddy
B. white hat hacker
C. hacktivist
D. phreaker
【单选题】
What is the primary purpose of a defined rule in an IPS？___
A. to configure an event action that takes place when a signature is triggered
B. to define a set of actions that occur when a specific user logs in to the system
C. to configure an event action that is pre-defined by the system administrator
D. to detect internal attacks
【单选题】
Which option is the default valuce for the Diffie- Hell man group when configuring a site-to-site VPn on an asa device ？___
A. Group 1
B. Group 2
C. Group 5
D. Group 7
【单选题】
Which feature filters CoPP packets?___
A. access control lists
B. class maps
C. policy maps
D. route maps
【单选题】
Which command is used in global configuration mode to enable AAA？___
A. configure-model aaa
B. configure aaa-modelA
C. aaa new-model
D. aaa
E. XEC
【单选题】
Which statement about the given configuration is true？___
A. The single-connection command causes the device to establish one connection for all TACACS
B. The single-connection command causes the device to process one TacAcs request and then move to the next server
C. The timeout com mand causes the device to move to the next server after 20 seconds of TACACS inactive
【多选题】
What are two well-known security terms？___
A. phishing//网络钓鱼
B. ransomware //勒索软件
C. BPDU guard
D. LACP
E. hair-pinning
【多选题】
Which two commands must you enter to securely archive the primary bootset of a device___
A. router（config ）#secure boot-config
B. router（config）#auto secure
C. router（config）#secure boot-image
D. router（config）#service passw ord-encryption
【多选题】
Which two functions can SIEM provide ？___
A. correlation between logs and events from multiple systems
B. event aggregation that allows for reduced log storage requirements
C. proactive malware analysis to block malicious traffic
D. dual-factor authentication
E. centralized firewall management
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【多选题】
管道经过哪些区域宜设置警示牌（ ）。[2分] ___
A. 采石场、取土场、采矿区域
B. 易发生或已多次发生危及管道安全行为的区域
C. 山区、稻田、湖泊
D. 人口集中居住区、工业建设地段
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专项施工方案应经管道企业分管技术领导组织作业部门、（ ）审查批准后，作为办理工作票、特殊作业许可证的依据。[2分] ___
A. 工作许可部门
B. 技术管理部门
C. 安监部门
D. 监理部门
【多选题】
需要编制专项施工方案的特殊作业中，脚手架工程包含但不限于以下作业：（ ）[2分] ___
A. 搭设高度20M及以上的落地式钢管脚手架工程
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C. 悬挑式脚手架工程、吊篮脚手架工程
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【多选题】
下列符合《石油天然气管道保护法》第 36 条规定的施工条件有 ( )[2分] ___
A. 具有符合管道安全和公共安全要求的施工作业方案
B. 已制定事故应急预案
C. 施工作业人员具备管道保护知识
D. 具有保障安全施工作业的设备、设施
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输气管道设备设施上工作的人员应具备必要的天然气知识，学会紧急救护法（心肺复苏及人工呼吸），特别要掌握（ ）等急救常识。[2分] ___
A. 烧伤、烫伤
B. 冻伤
C. 窒息
D. 中毒
【多选题】
《安全生产法》第七十五条规定，负有安全生产监督管理职责的部门应当记录生产经营单位的安全生产违法行为信息，对违法行为情节严重的，可以向社会公示并通报行业主管部门以及( )等部门和有关金融机构。[2分] ___
A. 投资
B. 国土
C. 证券监管
D. 人事管理部门
【多选题】
下列关于球阀操作正确的是（ ）[2分] ___
A. 操作阀门时，应缓开缓关
B. 同时操作多个阀门时，应注意操作顺序，并满足生产工艺要求
C. 开启有旁通阀门的较大口径阀门时，若两端压差较大，应先打开旁通阀调压，再开主阀；主阀打开后，应关闭旁通阀
D. 球阀只能全开或全关操作
【多选题】
相关方人员在输气管道设备设施上工作前，管道企业应对其进行（ ），交底方和被交底方应在交底记录上签字确认后，方可允许其进入现场参加指定地点的工作。[2分] ___
A. 设备设施状态
B. 运行隔离情况
C. 安全要求交底
D. 管理制度
【多选题】
动火工作间断后，重新动火前动火（ ）必须重新检查安全措施的落实情况，并按要求再次填写《动火现场检查记录表》，检查内容确认完成后方可进入许可签字程序。[2分] ___
A. 工作票签发人
B. 工作负责人
C. 动火监护人
D. 工作票许可人
【多选题】
通用阀门维护检修时，下列说法正确的是（ ）[2分] ___
A. 维护前应确认阀门已退出运行，悬挂禁止操作牌，带执行机构的阀门应将阀门切换至远控状态
B. 拆卸阀门附属设施应先对阀腔进行排空，拆卸过程应缓慢，并观察螺纹口是否有气体冒出
C. 安全阀、ESD前手动球阀应保持常闭，并做好闭锁
D. 开启阀腔泄压口泄压时，作业人员不得正对阀腔泄放口
【多选题】
《安全生产法》所指重大危险源是指长期地或者临时地（ ）危险物品，且危险物品的数量等于或者超过临界量的单元(包括场所和设施)。[2分] ___
A. 生产
B. 搬运
C. 使用
D. 储存
【多选题】
输气管道设备设施上工作保证安全的组织措施有（ ）[2分] ___
A. 工作票制度、工作许可制度
B. 工作监护制度
C. 工作间断、延期、变更和终结制度
D. 特殊作业许可证制度
【多选题】
管道重点保护部位 ,需要由中国人民武装警察部队负责守卫的 ,依照什么规定执行 ?( )[2分] ___
A. 中华人民共和国人民武装警察法
B. 国务院的有关规定
C. 地方人民政府的有关规定
D. 中央军事委员会的有关规定
【多选题】
高压电气试验中，下列说法正确的是（ ）[2分] ___
A. 在同一电气连接部分进行高压试验前，必须暂停其他检修工作，试验结束、设备未充分放电前不得许可其他工作
B. 高压设备与其他设备断点符合安全距离要求，试验区范围内向外装设警示围栏，悬挂“禁止合闸，有人工作”标示牌
C. 试验装置外壳应可靠接地，低压回路中应有过载自动保护装置的开关并串用三极刀闸
D. 试验中断、变更接线或试验结束时应立即断开试验电源，将被试设备放电并短路接地
【多选题】
安规中所称工作是指从事浙能集团所属输气管道调度（ ）等职务行为。[2分] ___
A. 运行、维（检、抢）修
B. 检测、检验
C. 技术改造和改（扩）建工程施工
D. 试验
【多选题】
《职业病防治法》规定，职业病危害因素包括：职业活动中存在的各种有害的（ ）因素以及在作业过程中产生的其他职业有害因素。[2分] ___
A. 化学
B. 物理
C. 生物
D. 放射
【多选题】
《安全生产法》第二十八条规定，生产经营单位新建、改建、扩建工程项目(以下统称建设项目)的安全设施，必须与主体工程( )。[2分] ___
A. 同时设计
B. 同时施工
C. 同时投入生产和使用 正确答案：ABC
【多选题】
管道上方或管道两侧各一米范围内允许动土的，应分别按照下面三种情况进行处理（ ）。[2分] ___
A. 动土深度没有到达管顶位置的，仅做光缆是否完好检查；
B. 动土深度到达或超过管顶位置的，先使用PCM+检查管道防腐层的情况，对于防腐层破损者进行开挖验证；
C. 对于光缆完好者，再检查防腐层是否完好。
D. 以上都是
【多选题】
在管道线路中心线两侧各五米的地域范围内 ,禁止下列危害管道安全的行为中正确的有 ( )[2分] ___
A. 种植乔木、灌木、藤类、芦苇、竹子或者其他根系深达管道埋设部位可能损坏管道防腐层的深根植物
B. 取土、采石、用火、堆放重物、排放腐蚀性物质、使用机械工具进行挖掘施工
C. 挖塘、修渠、修晒场、修建水产养殖场、建温室、建家畜棚圈、建房以及修建其他建筑物、构筑物
D. 在地面管道线路、架空管道线路和管桥上行走或者放置重物
【多选题】
组织编制全国管道发展规划 ,需要征求哪些部门的意见 ?( )[2分] ___
A. 国务院有关部门的意见
B. 省、自治区人民政府的意见
C. 直辖市人民政府的意见
D. 县级人民政府的意见
