【单选题】
横越有停留机车、车辆的线路时，必须与停留车端部保持___米以上距离。
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相关试题
【单选题】
单位必须按规定为作业人员配备符合___标准的劳动防护用品和生产作业工具，并定期检测。
【单选题】
在接触网支柱及接触网带电部分___范围以内的金属结构上均须装设接地线。
A. 3.5米
B. 5米
C. 6.5米
D. 10米
【单选题】
在可能带电部位，应有“___”的明显标志和防护措施。
A. 高压危险
B. 禁止停留
C. 禁止通过
D. 严禁触摸
【单选题】
在接触网及带电体___范围内，使用发电机、空压机、搅拌机等机电设备时，应有良好的接地装置。
【单选题】
使用各种手持电动工具，必须同时配用___。
A. 变压器
B. 护罩
C. 防护设备
D. 漏电保护器
【单选题】
用水或一般灭火器浇灭距牵引供电设备带电部分不足___的燃着物体，牵引供电设备必须停电接地。
【单选题】
发现危及___安全的紧急情况时，有权停止作业，采取应急措施后撤离作业现场。
【单选题】
隔离开关开闭作业时，必须执行___制度。
A. 二人同时操作
B. 一人操作，二人防护
C. 一人操作，一人监护
D. 各部门同时协调作业
【单选题】
遇雷雨天气时，禁止操作接触网隔离开关。严禁___操作隔离开关。
A. 未接地
B. 带负荷
C. 在有电区
D. 未进行防护
【单选题】
绝缘靴、绝缘手套等安全用品，应___进行一次绝缘耐压试验。
【单选题】
不准___，以车代步。
A. 跨越车辆
B. 翻越车辆
C. 飞乘飞降
D. 扒乘车辆
【单选题】
不准在六级以上大风时进行___作业和起重作业。
A. 露天高处
B. 高处
C. 室外
D. 室内
【单选题】
高处作业时不准___材料、工具等。
A. 携带
B. 往下抛扔
C. 上下投扔
D. 向上抛扔
【单选题】
人员持有长大、飘动等物件，走近接触网下，不得高举挥动，应与牵引供电设备带电部分保持___以上距离。
A. 1米
B. 1.5米
C. 2米
D. 2.5米
【单选题】
不准使用___的电气开关、刀闸、插座及裸露的导线。
A. 无防护盖
B. 无漏电保护器
C. 无破损
D. 未检测
【单选题】
不准戴妨碍___的眼镜、帽子。
A. 视觉
B. 听觉
C. 感观
D. 视觉、听觉
【单选题】
不准学徒工、见习生___作业。
A. 上线
B. 在有一人防护下
C. 单独上线
D. 在没有防护下
【单选题】
禁止在易燃、易爆场所使用明火、吸烟、携带火种和___
A. 工具、物品
B. 手机
C. 打盹
D. 消防器材
【单选题】
禁止在升起的吊臂和吊起的物件下___。
A. 作业
B. 通过、作业
C. 停留
D. 通过
【单选题】
禁止将水倒入___中。
A. 硫酸溶液
B. 硫酸盐酸液
C. 苏打水
D. 废油
【单选题】
禁止在道心、___、转辙部分和靠近车辆端部行走 。
A. 路基下
B. 轨枕头
C. 线路旁
D. 护栏内
【单选题】
双线上线人员禁止在两线间和邻线___。
【单选题】
在未停电前，禁止任何人和物靠近接触网及___、电力机车主变压器的一次侧等高压设备。
A. 支柱
B. 承力索
C. 相连接的部件
D. 防护栏
【单选题】
机车整备、检修前，作业组必须在机车一端设置___，确认防溜良好后方准作业，作业完毕及时撤除。
A. 禁动牌
B. 防护牌
C. 止轮器
D. 防护措施
【单选题】
禁止跨越或___检查坑，禁止横跨检查坑作业。
A. 靠近
B. 上下翻越
C. 接近
D. 穿过
【单选题】
未设置安全防护禁止从___上下检查坑。
A. 机车联挂处
B. 车轮间
C. 渡板间
D. 机头处
【单选题】
整备场作业人员严禁边走边接打电话，接打电话须___并在安全处进行。
A. 注意过往机车
B. 停止走动
C. 左右观察
D. 长话短说
【单选题】
各种机动车辆在整备场区作业，严格执行___防护制度。
A. 一车二人
B. 一人二车
C. 一车一人
D. 专人专车
【单选题】
电力机车整备保洁时，禁止使用水管___冲洗机车。
A. 从侧面
B. 从正面
C. 从前面
D. 直接
【单选题】
连挂作业时要停止整备作业，邻线过往机车，应躲避到___。
A. 安全地带
B. 两线路间
C. 安全线以外
D. 另一侧线路
【单选题】
电力机车整备保洁时，使用刷子等保洁工具时，不得高于___。
A. 机车司机室
B. 机车顶部
C. 车窗
D. 中部踏板
【单选题】
整备检修作业时___、呼唤应答、注意瞭望。
A. 做好安全防护
B. 上下联控
C. 确认停机、停轮
【单选题】
电气化区段严禁攀登___顶部或车辆装载的货物上。
A. 机车、车辆
B. 各种车辆
C. 机车、动车、各种车辆
【单选题】
雷电时，禁止在___以及与其电气连接的室内设备上检修作业；
A. 接触网、牵引变电所室外设备
B. 牵引变电所室外设备
C. 接触网、接地线
【单选题】
严禁班前、班中饮酒；严禁___、私自替班或换班，不得做与工作无关的事。
A. 串岗、换岗
B. 离岗、脱岗
C. 脱岗、串岗
D. 睡觉、串岗
【单选题】
持安全等级证人员___必须进行学习、考试，考试不合格的一律降级处理。
A. 每二年
B. 每年
C. 每半年
D. 每三年
【单选题】
遇有___及以上大风、雨、雪、雾等不良气候时，不得进行露天高处作业。
推荐试题
【多选题】
Which two actions does an IPS perform？ ___
A. it spans the traffic
B. it reflects the traffic back to the sender
C. it encrypts the traffic
D. it terminates the user session or connection of the attacker
E. it reconfigures a device to block the traffic
【多选题】
In which form of fraud does an attacker try to learn information such as login credenti account information by ma squerading as a reputable entity or person in email， IM or communication channels ?___
A. phishing
B. Smurfit
C. Hacking
D. Identity Spoofing
【多选题】
Which two ESA services are available for incoming and outgoing mails ？___
A. anti-DoS
B. reputation filter
C. antispam
D. content filter
E. DLP
【多选题】
What are two reasons to recommend SNMPv 3 over SNMPv2？___
A. SNMPv3 is secure because you can configure authe ntication and privacy
B. SNMPv3 is insecure because it send in formation in clear text
C. SNMPv2 is insecure because it send information in clear text
D. SNMPv3 is a Cisco proprietary protocol
E. SNMPv2 is secure because you can configure authentication and privacy
【多选题】
Which two actions can a zone- based firewall apply to a packet as it transits a zone pair？___
A. drop
B. inspect
C. queue
D. quarantine
【单选题】
Which security principle has been violated if data is altered in an unauthorized manner？___
A. accountability
B. confidentiality
C. availability
D. integrity
【单选题】
Which IKE Phase 1 parameter can you use to require the site-to-site VPN to use a pre-shared ？___
A. encryption
B. authentication
C. group
【单选题】
Which command successfully creates an administrative user with a password of "cisco"on a Cisco router?___
A. username Operator privilege 7 password cisco
B. username Operator privilege 1 password cisco
C. username Operator privilege 15 password cisco
D. username Operator password cisco privilege 15
【单选题】
Which EAP method authenticates a client against Active Directory without the use of client-side 802.1X certificates？___
A. EAP-TLS
B. EAP-MSCHAPv2
C. EAP-PEAP
D.
E. AP-GTC
【单选题】
What is a limitation of network-based IPS？___
A. It must be in dividually configured to support every operating system on the network.
B. It is most effective at the in dividual host level
C. It is unable to monitor attacks across the entire netw ork
D. Large installations require numerous sensors to fully protect the network
【单选题】
When would you configure the ip dhcp snooping trust command on a sw itch？___
A. when the switch is connected to a DHCP server
B. when the switch is working in an edge capacit
C. when the switch is connected to a client system
D. when the switch is serving as an aggregator
【单选题】
How does the 802. 1x supplicant communicate with the authentication server？___
A. The supplicant creates EAP packets and sends them to the authenticator, which encapsulates them into RADIUS and forwards them to the authentication server.
B. The supplicant creates RADIUS packets and sends them to the authe nticator, which encapsulates the m into EAP and forwards them to the a uthentication server.
C. The supplicant creates RADIUS packets and sends them to the authenticator, which translates them into eap and forwards them to the a ut hentication server
D. The supplicant creates
E. AP packets and sends them to the authe nticator, which translates them into radius and forwards them to the authentication server.
【单选题】
Which command do you enter to verify the phase I status of a VPN connection？___
A. sh crypto se ssion
B. debug crypto isakmp
C. sh crypto isakmp sa
D. sh crypto ipsec sa
【单选题】
Refer to the exhibit. what is the e ffect of the given configuration？___
A. It enables authentication，
B. It prevents keychain authentication.
C. The two routers receive normal updates from one another.
D. The two device s are able to pass the message digest to one another.
【单选题】
Which command can you enter to configure OSPF to use hashing to authenticate routing updates？___
A. ip ospf aut hentication message-digest
B. neighbor 192 168.0 112 cost md5
C. ip ospf priority 1
D. ip ospf aut hentication-key
【单选题】
Which command can you enter to verify the status of Cisco lOS Resilient Configuration on a Cisco router?___
A. show secure bootset
B. secure boot-image
C. show binary file
D. ure boot-config
【单选题】
A user on your network inadvertently activates a botnet program that was received as an emai attachment. Which type of mechanism does Cisco Firepower use to detect and block only the botnet attack？___
A. network-based access control rule
B. reputation-based
C. user-ba sed access control rule
D. botnet traffic filter
【单选题】
What does the policy map do in CoPP？___
A. defines service parameters
B. defines packet selection parameters
C. defines the packet filter
D. define s the action to be performed
【单选题】
How is management traffic isolated on a Cisco ASR 1002？___
A. Traffic isolation is done on the vlan level
B. There is no management traffic isolation on a Cisco ASR 1002
C. Traffic is isolated based upon how you configure routing on the device
D. The management interface is configured in a special vRF that provides traffic isolation from the default routing table
【单选题】
Which statement about NaT table evaluation in the asa is true？___
A. After-auto NAT polices are appl d first
B. Manual NAT policies are applied first
C. the asa uses the most specific match
D. Auto NAT policies are applied first
【单选题】
Which information can you display by executing the show crypto ipsec sa command？___
A. ISAKMP SAs that are established between two peers
B. recent changes to the IP address of a peer router
C. proxy infor mation for the connection between two peers
D. IPsec SAs established between two peers
【单选题】
How can you prevent NAT rules from sending traffic to incorrect interfaces？___
A. Assign the output interface in the NAT statement
B. Add the no-proxy-arp command to the nat line.
C. Configure twice NAT instead o bject NAT. 5
D. Use packet-tracer rules to reroute misrouted NAT entries.
【单选题】
What term can be defined as the securing， control， and identification of digital data？___
A. cryptography
B. crypto key
C. cryptoanalysis
D. cryptology
【单选题】
Which feature in the dNS security module provide on and off network DNS protection？___
A. Data Loss Prevention
B. Umbrella
C. Real-time sandboxing
D. Layer-4 monitoring
【单选题】
Which a dverse consequence can occur on a network without BPDu guard ?___
A. The olde st switch can be elected as the root bridge
B. Unauthorized switches that are connected to the network can cause spanning-tree loops
C.
D. ouble tagging can cause the switches to experience CAM table overload.
【单选题】
What configuration is required for multitenancy ?___
A. shared infrastructure
B. multiple carriers
C. co-located resources
D. multiple separate zones
【单选题】
Why does ISE require its own certificate issued by a trusted CA？___
A. ISEs certificate allows guest devices to validate it as a trusted network device
B. It generates certificates for guest devices ba sed on its own certificate
C. It requests certificates for guest devices from the Ca server based on its own certificate.
D. ISE's certificate allows it to join the network security framework
【单选题】
which attack involves large numbers of ICMP packets with a spoofed source IP address？___
A. smurf attack
B. Teardrop attack
C. Nuke attack
D. SYN Flood attack
【单选题】
Which statement about interface and global access rules is true？___
A. Interface access rules are processed before global access rules.
B. Global access rules apply only to outbound traffic， but interface access rules can be applied in either direction
C. The implicit allow is proce ssed after both the global and interface access rules
D. If an interface access rule is applied， the global access rule is ignored
【单选题】
Which type of malicious software can create a back-door into a device or network？___
A. bot
B. worm
C. virus
D. Trojan
【单选题】
Which security term refers to the like lihood that a weakness will be exploited to cause damage to an asset？___
A. threat
B. risk
C. countermeasure
D. vulnerability
【单选题】
Which IPS detection method examines network traffic for preconfigured patterns？___
A. signature-based detection
B. honey-pot detection
C. anomaly-based detection
D. policy-based detection
【单选题】
What is an advantage of split tunneling ？___
A. It allows users with a VpN connection to a corporate network to access the internet with sending traffic across the cor porate network.
B. It allows users with a vpn connection to a corporate network to access the internet by using the vPN for security.
C. It protects traffic on the private network from users on the public network
D. It enables the VPN server to filter traffic more efficiently
【单选题】
Which IDS/IPS state misidentifies acceptable behavior as an attack ？___
A. false negative
B. true positive NEKA G
C. true negative
D. false positive
【单选题】
What is the maximum num ber of methods that a single method list can contain？___
【单选题】
Which command enables authentication at the oSPFv2 routing process level？___
A. ip ospf authentication message-digest
B. area 0 authentication message-digest
C. ip ospf message-digest-key 1 mds Cisco
D. area 0 authentication ipsec spi 500 md5 1234567890ABCDEF1234567890ABCDEF
【单选题】
Which type of firewall monitors a nd protects a specific system？___
A. firewall
B. application firewall
C. stateless firewall wvp
D. personal firewall
【单选题】
On an ASA， which maps are used to identify traffic？___
A. Route maps
B. Policy maps
C. Class maps
D. Service maps
【单选题】
Which type of social engineering attack targets top executives？___
A. whaling
B. vishin
C. spear phishing ng
D. baiting
【单选题】
What is the minimum Cisco lOS version that supports zone-based firewalls？___
A. 12.1T
B. 15.1
C. 15.0
D. 124
