【单选题】
防止列车断钩，进站停车施行空气制动要适当加长制动距离,初次减压量要小,做到___。P121T506
A. “早减压、少减压”
B. 晚减压、大减压
C. 晚减压、少减压
查看试卷，进入试卷练习
微信扫一扫，开始刷题
相关试题
【单选题】
以压力空气作为动力来源,但___用电来控制制动装置的制动、保压和缓解作用。P126T521
A. 空气制动机
B. 电空制动机
C. 真空制动机
【单选题】
使用带有闸片的制动钳夹紧安装在车轮两侧或车轴上的制动盘,使其发生摩擦阻力而产生制动作用称为___。P127T522
A. 闸瓦制动
B. 盘形制动
C. 轨道电磁制动
【单选题】
制动盘装在车轮上的叫___盘形制动基础制动装置。P130T532，
【单选题】
截断塞门安装在车辆制动___上。P131T536
【单选题】
凡遇列车中某一车辆制动机发生故障,不能及时修复或因车辆装载的货物规定需停止使用该车制动机等情况时,可以关闭___,同时拉动缓解阀。P131T536
【单选题】
制动管经排气口向大气排气时，制动管中的压力降将沿着列车长度___逐次传播，就是空气波。P140T550
A. 由后向前
B. 由中间到两端
C. 由前向后
【单选题】
LKJ-2000监控装置采用___工作方式。P170T694
【单选题】
LKJ-2000型监控记录装置事故状态记录器（黑匣子）在机车走行距离每变化___所有内容记录一次。P172T697
【单选题】
预设安全距离为20m时，紧急制动时的速度为80km/h，那么停车后的安全距离是___。P176T724
【单选题】
LKJ-2000型监控记录装置上电自检后，显示器进入主界面显示状态，两端操作___。《LKJ2000型列车运行监控记录装置》P255
【单选题】
LKJ-2000监控装置在正常监控状态下，可用【↓】【↑】方向键调整屏幕亮度，共有___个亮度等级 。《LKJ2000型列车运行监控记录装置》P256
【单选题】
LKJ-2000监控装置在机车出库时，司机必须按压[调车]键，进入调车状态，此时限速窗口显示___km/h。
【单选题】
LKJ-2000监控装置机车距信号机还有一段距离，但距离显示值提前进入零显示，这种零显示出现在信号机之前的过机误差称为___。
【单选题】
LKJ-2000型监控记录装置在机车运行中按压___键，装置记录下此刻的公里标及时间，作为运行数据查找标记。
【单选题】
LKJ-2000型监控记录装置当装置发生防溜报警时一次按压___键。《LKJ2000型列车运行监控记录装置》P267
【单选题】
LKJ-2000型监控记录装置,列车运行过程中按压【向前】键，调整___误差。《LKJ2000型列车运行监控记录装置》P260
【单选题】
LKJ-2000型监控记录装置，运行中当过机误差___300m时，装置可以自动校正。《LKJ2000型列车运行监控记录装置》P260
【单选题】
LKJ-2000型监控记录装置查询当前揭示信息，显示机车前方___米以内的揭示。《LKJ2000型列车运行监控记录装置》P262
【单选题】
LKJ-2000型监控记录装置设定参数查询时在查询显示状态，将光标移到“设定参数”按压【确认】键或数字键___。
【单选题】
LKJ-2000型监控记录装置如果错误选择了某条揭示，可将光标移到该揭示项再次按压___键取消对该揭示的选择。
【单选题】
LKJ-2000型监控记录装置A.B机同时故障时，报警时间达到___监控装置实施紧急制动。《LKJ2000型列车运行监控记录装置》P268
【单选题】
LKJ-2000型监控记录装置施行紧急制动时，不允许司机___。《LKJ2000乘务员手册》P19
【单选题】
LKJ-2000型监控记录装置当列车运行速度___允许值时，装置切除机车牵引电流。《LKJ2000乘务员手册》P19
【多选题】
铁路机车车辆驾驶人员资格申请人有下列___情形的，应当撤销驾驶证。18号文第40条
A. 工作人员滥用职权、玩忽职守，致使不符合条件的人员取得驾驶证的
B. 以欺骗、贿赂、倒卖、租借等不正当手段取得驾驶证的
C. 法律法规规定的其他情形
D. 考场作弊
【判断题】
正线是指连接车站并贯穿或直股伸入车站的线路。
【判断题】
安全线是为防止列车或机车车辆从一进路进入另一列车或机车车辆占用的进路而发生冲突的一种安全隔开设备。
【判断题】
信号机设在列车运行方向的左侧或其所属线路的中心线上空。
【判断题】
反方向运行进站信号机可设在列车运行方向的右侧。
【判断题】
在车站的正线和到发线上，应设进站信号机。
【判断题】
在四显示自动闭塞区段的进站信号机前方第一、第二架通过信号机的机柱上，应分别涂一条、三条黑斜线，以与其他通过信号机相区别。
【判断题】
半自动闭塞、自动站间闭塞区段，进站信号机为色灯信号机时，设色灯预告信号机或接近信号机。
【判断题】
自动闭塞区段，进站信号机为色灯信号机时，设色灯预告信号机或接近信号机。
【判断题】
在列车运行速度不超过120 km/h的区段，当两架信号机间的距离小于400 m时，前架信号机的显示，必须完全重复后架信号机的显示。
【判断题】
发车信号辨认困难的车站，在便于司机瞭望的地点可装设进路表示器。
【判断题】
设有两个及以上车场的车站，转场进路应设进路色灯信号机。
【判断题】
最高运行速度不超过140 km/h的机车，机车信号设备与列车运行监控装置（LKJ）结合使用。
【判断题】
机车信号的显示，应与线路上列车接近的地面信号机的显示含义相符。
【判断题】
机车停车位置，应以地面信号机或有关停车标志为依据。
【判断题】
LKJ产生的列车运行记录数据是行车安全分析的重要依据，任何单位和人员不得更改。
推荐试题
【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
【单选题】
In which type of attack does an attacker overwrite an entry in the CAM table to divert traffic destined to a legitimate host？___
A. DHCP spoofing
B. ARP spoofing
C. CAM table overflow
D. MAC spoofing
【多选题】
Which two attack types can be prevented with the impleme ntation of a Cisco IPS solution？___
A. DDos
B. man-in-the-middle
C. worms
D. ARP spoofing
E. VLAN hopping
【多选题】
choose four___
A. DHCP snooping ——————————blocks DHCP messages
B. Dynamic ARP inspection——————verifies IP-to-MAC traffic on untrusted ports
C. IP sources guard ——————————provides layer 2 interface security with ports ACLs
D. Port security————————————mitigates MAC-address spoofing at the access interface
【多选题】
choose four___
A. Step1————————run the system setup wizard
B. Step2————————add an authentication realm
C. Step3————————configure identity management
D. Step4————————configure directory group
【多选题】
What are two advanced features of the Cisco AMp solution for endpoints ___
A. contemplation
B. foresight
C. sandboxing
D. reputation
E. reflection
【多选题】
Which two characteristics of RADIUS are true？___
A. It encrypts only the password between user and server.
B. It uses TCP ports 1812/1813
C. It uses UDP ports 1812/1813.
D. It uses UDP port 49
E. It uses TCP port 49
【多选题】
What are two challenges of using a network-based IPS？ ___
A. It is unable to determine whether a detected attack was successful
B. It requires additional storage and proce ssor capacity on syslog servers
C. As the network expands， it requires you to add more sensors.
D. It is unable to detect attacks across the entire network
E. It must support multiple operating systems.
【多选题】
What are two default be haviors of the traffic on a zone-based firewall？___
A. Traffic within the self -zone uses an im plicit deny all.
B. All traffic between zones is implicitly blocked
C. Communication is allowed between interfadAss that are members of the same zone
D. Communication is blocked between interfaces that are members of the same zone
E. The CBAC rules that are configured on router interfaces apply to zone interfaces
【多选题】
Which two advantages does the on-premise model for MDM deployment have over the cloud-based model？___
A. The on-premise model is easier and faster to de ploy than the cloud-based model
B. The on-premise model is more scalable than the cloud-based model
C. The on-premise model is generally less expensive than the cloud-based model
D. The on-premise model generally has less latency than the cloud- based model.
E. The on-premise model provides more control of the MDM solution than the cloud
【多选题】
Which two actions can an end usts take to manage a lost or stolen device in Cisco ISE？ ___
A. Activate Cisco ISE End point Protection Services to quarantine the device.
B. Add the mac address of the device to a list of blacklisted devices
C. Force the device to be locked with a PIN
D. Request revocation of the digital certificate of the device.
E. Reinstate a device that the user previously marked as lost or stolen
【多选题】
Which two problems can arise when a proxy firewall serves as the gateway between networks？___
A. It can prevent content caching
B. It can limit application support
C. It is unable to prevent direct connections to other networks
D. It can cause reduced throughput.
E. It is unable to provide antivirus protection
【多选题】
When using the Adaptive Security Device Manager（ASDM）， which two methods are available to add a new root certificate？___
A. Use sCep
B. Install from SFTP server
C. Install from a file
D. Use Https
E. Use LDAP
【多选题】
Which two are considered basic security principles？___
A. Accountability
B. Redundancy
C. High Availabilit
D. Integrity
E. Confidentiality
【多选题】
Which two roles of the Cisco WSA are true？___
A. IPS
B. firewall
C. antispam
D. web proxy
E. URL filter
【单选题】
Which next-generation encryption algorithm supports four variants？___
A. SHA-2
B. SHA-1
C. MD5
D. HMAC
【单选题】
What aims to remove the abil ity to deny an action？___
A. Non-Repudiation
B. Accountability
C. Integrity
D. Deniability
【单选题】
Which statements about the native VLAN is true ？___
A. It is susceptible to VLAN hopping attacks.
B. It is the Cisco recommended VLAN for switch-management traffic
C. It is most secure when it is a ssigned to vLAn 1.
D. It is the cisco-recomme nded vlan for user traffic
【单选题】
There are two versions of IKE:IKEv1 and IKEv2. Both IKEv1 and IKEv2 protocols operate in phases IKEv1 operates in two phases. IKEv2 operates in how many phases？___
【单选题】
What does the dh group refer to？___
A. length of key for hashing C
B. length of key for encryption
C. tunnel lifetime key
D. length of key for key exchange
E. length of key for authentication
