【多选题】
重庆跨座式单轨车中，4编组停放制动电磁阀SPV的数量有 个。___
查看试卷，进入试卷练习
微信扫一扫，开始刷题
相关试题
【多选题】
重庆跨座式单轨车中，6编组停放制动电磁阀SPV的数量有 个。___
【多选题】
重庆跨座式单轨车中，停放制动电磁阀SPV驱动线圈的电压是。___
A. DC110V
B. DC24V
C. AC220V
D. AC2380V
【多选题】
重庆跨座式单轨车中，紧急制动继电器EBR的位置在。___
A. MC1
B. M5
C. MC2
D. M4
【多选题】
重庆跨座式单轨车中，MC1车紧急制动继电器EBR的数量有 个。___
【多选题】
重庆跨座式单轨车中，4编组紧急制动继电器EBR的数量有 个。___
【多选题】
重庆跨座式单轨车中，6编组紧急制动继电器EBR的数量有 个。___
【多选题】
重庆跨座式单轨车中，紧急制动继电器EBR驱动线圈的电压是。___
A. DC110V
B. DC24V
C. AC220V
D. AC2380V
【多选题】
重庆跨座式单轨车中，制动不缓解检测继电器BCRO的位置在。___
A. MC1
B. M5
C. MC2
D. M4
【多选题】
重庆跨座式单轨车中，4编组制动不缓解检测继电器BCRO的数量有 个。___
【多选题】
重庆跨座式单轨车中，6编组制动不缓解检测继电器BCRO的数量有 个。___
【多选题】
重庆跨座式单轨车中，制动不缓解检测继电器BCRO驱动线圈的电压是。___
A. DC110V
B. DC24V
C. AC220V
D. AC2380V
【多选题】
重庆跨座式单轨车中，列车有牵引时，正常情况下，制动不缓解检测继电器BCRO是。___
A. 得电
B. 失电
C. 无法判断
D. 不能确定
【多选题】
重庆跨座式单轨车中，列车有牵引时，正常情况下，以下正确的是。___
A. 紧急制动缓解
B. 停放制动缓解
C. 没有缓解不良
D. ATP最大常用制动和紧急制动缓解
【判断题】
重庆跨座式单轨车避雷器 ，每节车装有2 个。
【判断题】
重庆跨座式单轨车中，高速断路器的位置在M2，M3，M4车。
【判断题】
重庆跨座式单轨车中，6编组主线路电磁接触器LB的数量有6个。
【判断题】
单轨列车凡有VVVF故障时，只要主手柄回0位均可以消除
【判断题】
重庆跨座式单轨车中，6编组主隔离开关箱的数量有6个。
【判断题】
重庆跨座式单轨车中，4编组主隔离开关箱的数量有2个。
【判断题】
重庆跨座式单轨车中，6编组高速断路器数量有6个。
【判断题】
单轨列车VVVF故障时切除1个单元后，仍有牵引。
【判断题】
2台VVVF在支路切除后，整车就没有牵引力了。
【判断题】
当一个轴发生PGD故障时，该轴的传感器仍能用于随后的控制。
【判断题】
重庆跨座式1000型单轨列车，GR接地故障，是车体电压超过接触网负极侧电压100V时检测。
【判断题】
重庆跨座式单轨车的牵引主回路中，主线路电磁接触器LB的额度电压是DC1500V.
【判断题】
主电机速度传感器由一个速度传感器和PG齿轮构成。
【判断题】
单轨列车主电机输出功率为105KW，电流75A，频率为50Hz。
【判断题】
重庆跨座式单轨车的牵引主回路中，主线路电磁接触器LB线圈的供电电压是DC110V。
【判断题】
重庆跨座式单轨车中，4编组主逆变器的数量有6个。
【判断题】
重庆跨座式单轨车中，6编组牵引电机的数量有12个。
【判断题】
重庆跨座式单轨车中，M车滤波电抗器的数量有2个。
【判断题】
重庆跨座式单轨车中，6编组辅助接地继电器的数量有3个。
【判断题】
重庆跨座式单轨车中，4编组接地继电器的数量有1个。
【判断题】
重庆跨座式单轨车的牵引主回路中，主熔断器箱的额定电流是500A.
【判断题】
重庆跨座式单轨车的牵引主回路中，主线路电磁接触器LB的额度电流是800A.
【判断题】
重庆跨座式单轨车中，滤波电抗器的电动机额定电流为1.2A
【判断题】
重庆跨座式单轨车中，滤波电抗器的电动机额定频率为44Hz.
【判断题】
重庆跨座式单轨车中，滤波电抗器的位置在M5车。
【判断题】
重庆跨座式单轨车中，4编组主线路电磁接触器LB的数量有2个。
推荐试题
【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
【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
【多选题】
Which two features of Cisco Web Reputation tracking can mitigate web-based threats？___
A. buffer overflow filterin dhsuowip
B. Bayesian filters
C. web reputation filters
D. outbreak filtering
E. exploit filtering
【多选题】
What are two challenges when deploying host- level IPS？ ___
A. The deployment must support multiple operating systems.
B. It is unable to provide a complete networ k picture of an attack.
C. It is unable to determine the outcome of e very attack that it detects
D. It does not provide protection for offsite computers
E. It is unable to detect fragmentation attacks
【多选题】
Which technology can be used to rate data fidelity and to provide an authenticated hash for data?___
A. file reputation
B. file analysis
C. signature updates
D. network blocking
