【判断题】
配电箱和开关箱中的隔离开关可采用具有可见分断点的断路器。
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【判断题】
总配电箱总路设置的漏电保护器必须是三极四线型产品。
【判断题】
需要三相四线制配电的电缆线路可以采用四芯电缆外加一根绝缘导线替代。
【判断题】
施工现场停、送电的操作顺序是：送电时，总配电箱→分配电箱→开关箱；停电时，开关箱→分配电箱→总配电箱。
【判断题】
用电设备的开关箱中设置了漏电保护器以后，其外露可导电部分可不需连接PE线。
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一般场所开关箱中漏电保护器的额定漏电动作电流应不大于30mA，额定漏电动作时间不应大于0.1s。
【判断题】
分配电箱的总路和各分路均可只设分断时具有可见分断点的断路器。
【判断题】
乙炔瓶内气体不得用尽，必须保留不小于98kPa的压强。
【判断题】
乙炔瓶内气体不得用尽，不用保留不小于98kPa的压强。
【判断题】
禁止在乙炔瓶上放置物件、工具或缠绕悬挂橡皮管及焊割炬等。
【判断题】
可以在乙炔瓶上放置物件、工具或缠绕悬挂橡皮管及焊割炬等。
【判断题】
氧气瓶体为白色，字体为红色；乙炔瓶瓶体为浅蓝色，字体为红色。
【判断题】
氧气瓶体为浅蓝色，字体为红色；乙炔瓶瓶体为白色，字体为红色。
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室外使用的电焊机应设有防水、防晒、防砸的机棚，并备有消防用品。
【判断题】
室外使用的电焊机应设有防水、防晒、防砸的机棚，不必备有消防用品。
【判断题】
用人单位与劳动者订立劳动合同时，不应当将工作过程中可能产生的职业病危害及其后果、职业病防护措施和待遇等告知劳动者，不须在劳动合同中写明。
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用人单位的安全技术人员应当接受职业卫生培训，遵守职业病防治法律、法规，依法组织本单位的职业病防治工作。
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用人单位不得安排有职业禁忌的劳动者从事其所禁忌的作业。
【判断题】
劳动者离开用人单位时，要索取本人职业健康监护档案复印件时，用人单位可以有偿提供。
【判断题】
建设项目的职业病防护设施应按照规定与主体工程同时投入生产和使用。
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当可燃物和着火源结合在一起即可能着火燃烧。
【判断题】
施工现场架设或使用的临时用电线路，当发生故障或过载时，就有可能造成电气失火。
【判断题】
能与空气中的氧或其他氧化剂起剧烈反应的物质，都称为可燃物质。
【判断题】
闪电是指电气设备接触不良，产生的电火花。
【判断题】
建筑物的耐火等级是以梁、柱为基准划分的。
【判断题】
高压电线路下面，可以搭设较矮的临时建筑物，但不得堆放易燃材料。
【判断题】
在一、二、三级动火区域进行焊割作业，焊工必须持操作证动火作业。
【判断题】
施工现场应当设置消防通道、消防水源、配备消防设施和灭火器材，现场入口处要设置明显标志。
【判断题】
施工场地要在结冻前平整完工、道路要畅通，并有防止路面结冰的措施。
【判断题】
大雪过后，必须清理脚手架和施工现场的雪。
【判断题】
电源开关、控制箱等设施加锁、不设专人负责。
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【填空题】
46.天基武器系统主要指攻击对方航天器用的卫星和卫星平台，包括 ___ 、 ___和___ 等。
【填空题】
47.中国人民解放军海军成立于___年。
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48.新概念武器主要有 ___ 、___、 ___ 、 ___ 、___ 等。
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49.核武器具有____、冲击波、____ ___、核电磁脉冲和放射性沾染等五种杀伤破坏因素。
【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。
【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？___
【单选题】
What is the actual los privilege level of User Exec mode？___
【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
