【单选题】
(B737ng)南航波音737-800发动机的余油排放口漏油限制标准在哪一章可以找到___
A. AMM71－00－00
B. AMM71－71
C. FIM71－71
D. AMM72－71
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相关试题
【单选题】
(B737ng)用多大的方头工具来人工打开起动活门？___
A. 3/8英寸
B. 5/16英寸
C. 1/4英寸
D. 1/2英寸
【单选题】
(B737ng)在发动机工作时,附近人员要注意:___
A. A.防止被进气道吸入
B. B.防止被尾喷气流伤害
C. C.防止听力损害
D. D.上述全部
【单选题】
(B737ng)737NG发动机共有几个轴承：___
【单选题】
(B737ng)737NG发动机在起飞推力时次级气流将产生多少的推力（占总推力的％）:___
A. 90％
B. 80％
C. 70％
D. 60％
【单选题】
(B737ng)波音737NG发动机的HPC共几级:___
【单选题】
(B737ng)波音737NG发动机的LPT共几级:___
【单选题】
(B737ng)发动机的起动机内部物理结构是怎样的：___
A. 双级，径流
B. 单级，径流
C. 双级，轴流
D. 单级，轴流
【单选题】
(B737ng)南航波音737-800发动机的HPC共几级?___
【单选题】
(B737ng)南航波音737-800发动机的HPT共几级?___
【单选题】
(B737ng)南航波音737-800发动机的LPC（包括风扇）共几级?___
【单选题】
(B737ng)南航波音737-800发动机的LPT共几级?___
【单选题】
(B737ng)由什么部件驱动附件齿轮箱___
A. 来自N2转子的垂直驱动轴
B. 来自转换齿轮像的径向驱动轴
C. 来自CSD的驱动轴
D. 来自转换齿轮箱的水平驱动轴
【单选题】
(B737ng)737NG发动机的轴承共有几个集油槽___
A. 一个
B. 2个－前后
C. 3个－前中后
D. 四个
【单选题】
(B737ng)发动机高压转子（N2）的人工驱动点在哪里：___
A. 在附件轮箱前部。
B. 在风扇机匣上。
C. 在核心机机匣上。
D. 透过发动机进口
【单选题】
(B737ng)驱动附件齿轮箱的是:___
A. A.来自转换齿轮箱的水平驱动轴
B. B.来自N2转子的垂直驱动轴
C. C.来自转换齿轮像的径向驱动轴
D. D.来自CSD的驱动轴
【单选题】
(B737ng)737NG发动机新增一个TBV（瞬时引气活门）它安装在哪里___
A. C函道12点钟位置
B. C函道6点钟位置
C. C函道1点钟位置
D. 风扇函道6点钟位置
【单选题】
(B737ng)波音737NG发动机的N2轴由哪几个轴承支撑___
A. 1＃,2＃,5＃
B. 3＃,4＃
C. 3＃,4＃,5＃
D. 1＃,2＃,4＃
【单选题】
(B737ng)发动机EGT空中出现过超差地面如何显示，机务如何处理：___
A. 地面没显示，根据机组报告按AMM排故
B. 地面没显示，根据机组报告按FIM排故
C. 地面显示红色方框，断电可消掉，必须按FIM排故
D. 地面显示红色方框，断电不可消掉，按FIM排故后并可在MCDU上抹除
【单选题】
(B737ng)发动机的内部基本结构为___
A. A.两个隔框,四个轴承,两个集油槽
B. B.两个隔框,五个轴承,两个集油槽
C. C.三个隔框,六个轴承,三个集油槽
D. D.三个隔框,五个轴承,两个集油槽
【单选题】
(B737ng)构成发动机的四个主单元体为___
A. A.风扇单元体,压气机单元体,燃烧室单元体,尾喷单元体
B. B.风扇单元体,核心机单元体,低压涡轮单元体,附件齿轮箱
C. C.风扇单元体,附件齿轮箱,核心机单元体,尾喷单元体
D. D.风扇单元体,压气机单元体,燃烧室单元体,涡轮单元体
【单选题】
(B737ng)南航波音737-800发动机的N2轴由哪几个轴承支撑___
A. 1＃,2＃,5＃
B. 3＃,4＃
C. 3＃,4＃,5＃
D. 1＃,2＃,4＃
【单选题】
(B737ng)南航波音737-800发动机的吊点___
A. 前吊点在风扇机匣上,中吊点在HPC上
B. 前吊点在风扇机匣上,后吊点在HPC上
C. 前吊点在风扇机匣上,后吊点在PT机匣上
D. 前吊点在风扇机匣上,中吊点在HPT上
【单选题】
(B737ng)南航波音737-800发动机中把起动机的转动转换为N2转动要经过___
A. AGB，IGB，TGB
B. AGB，TGB，IGB
C. IGB，TGB，AGB
D. IGB, AGB,TGB,
【单选题】
(B737ng)起动机工作时间最多不能超过多少时间___
A. A. 45秒
B. B. 60秒
C. C. 90秒
D. D. 120秒
【单选题】
(B737ng)起动手柄前推到慢车位将作动___
A. A.起动活门打开
B. B.供电起动机驱动N2转子加速
C. C.燃油关断活门电门,点火电门和MEC内的燃油关断活门
D. D.仅MEC内的燃油关断活门打开
【单选题】
(B737ng)球形轴承承受什么样的载荷？滚子轴承承受什么样的载荷？___
A. 径向和轴向 径向和轴向
B. 轴向和轴向 径向
C. 轴向和径向 轴向
D. 径向和轴向 径向
【单选题】
(B737ng)球形轴承承载何种载荷？滚子轴承承载何种载荷？___
A. 轴向和轴向 径向
B. 轴向和径向 轴向
C. 径向和轴向 径向
D. 径向和轴向 径向和轴向
【单选题】
(B737ng)737NG发动机燃油系统有一个HPSOV（高压关断活门），它装在哪里：___
A. 大翼上，发动机吊架的左侧
B. 大翼上，发动机吊架的右侧
C. HMU内部
D. MEC内部
【单选题】
(B737ng)发动机EEC的电源来自:___
A. EEC专用发电机或交流转换汇流条
B. EEC专用发电机或地面服务汇流条
C. EEC专用发电机或主1号汇流条
D.
E. EC专用发电机或主2号汇流条
【单选题】
(B737ng)关于波音737-800发动机T12接近盖板说法正确的是：___
A. 接近T12 同时可以接近T25
B. 接近T12 同时可以接近T495
C. 接近T12 同时可以接近T125
D. 接近T12 ，同时可以起到释压作用
【单选题】
(B737ng)（1）燃气涡轮发动机的燃油能够用来冷却滑油。（2）燃气涡轮发动机的冲压空气可用来冷却滑油。对于上面两种说法，下列哪种是正确的？___
A. 仅（1）正确。
B. 仅（2）正确。
C. 都不正确。
D. 都正确。
【单选题】
(B737ng)737NG发动机燃油系统有一个HPSOV，它是由什么部件控制的：___
A. 根据油门杆的位置来控制
B. 根据起动手柄的位置来控制
C. 根据灭火电门的位置
D. B或C对
【单选题】
(B737ng)737NG发动机燃油系统有一个HPSOV，它装在哪里___
A. 大翼上，发动机吊架的左侧
B. 大翼上，发动机吊架的右侧
C. HMU内部
D. MEC内部
【单选题】
(B737ng)电子表温度控制组件（ETC）安装在___
A. A. 前电子设备舱
B. B. 主电子设备舱
C. C. 前货舱
D. D. 后货舱
【单选题】
(B737ng)发动机进气道内的两个传感器为：___
A. A．Pt2和Tt2传感器
B. B．N1和N2传速传感器
C. C．EPR和N1传感器
D. D．Tt2和Tt7传感器
【单选题】
(B737ng)发动机起动机上有几个磁堵?___
【单选题】
(B737ng)发动机燃油泵里有几个油滤：___
【单选题】
(B737ng)发动机燃油泵里有几个油滤？___
【单选题】
(B737ng)发动机系统的PS3感受的是：___
A. LPC出口的压力
B. LPC 进口的压力
C. LPC第三级出口的压力
D. HPC第九级的出口压力
【单选题】
(B737ng)进入伺服系统的燃油要经过加热，目的是___
A. 加热膨胀，给燃油加压
B. 加热防结冰
C. 和液压油进行热交换后，燃油加热以防结冰阻塞伺服系统
D. 和液压油进行热交换后，液压油加热以防结冰阻塞伺服系统
推荐试题
【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
【单选题】
Which path do you follow to enable aaa through the SDM ？___
A. Configure Tasks > AAA
B. Configure > Addition Authentication > AAA
C. Configure > AAA
D. Configure > Additional Tasks > AAA
E. Configure Authentication > AAA
【单选题】
which technology cloud be used on top of an MPLS VPN to add confidentiality ？___
A. IPsec
B. 3DES
C. AES
D. SSL
【单选题】
Which term is most closely aligned with the basic purpose of a SIEM solution? ___
A. Non-Repudiation
B. Accountability
C. Causality
D. Repudiation
【单选题】
You have just deployed SNMPv3 in your environment， Your manager asks you to make sure that our SNMP agents can only talk to the SNMP Manager. What would you configure on your SNMI agents to satisfy this request？___
A. A SNMP View containing the SNMP managers
B. Routing Filter with the SNMP managers in it applied outbound
C. A standard ACL containing the SNMP managers applied to the SNMP configuration
D. A SNMP Group containing the SNMP managers
【单选题】
Which feature prevents loops by moving a nontrunking port into an errdisable state when a BPDU is received on that port？___
A. BPDU filte
B. DHCP snooping
C. BPDU guard
D. Port Fast
【单选题】
Which command enables port security to use sticky MAC addresses on a switch？___
A. switchport port-security violation restrict
B. switchport port-security mac-address sticky
C. switchport port-security violation protect
D. switchport port-security
【单选题】
When you edit an IPS subsignature， what is the effect on the parent signature and the family of subsignatures？___
A. The change applies to the parent signature and the entire family of subsignatures
B. The change applies to the parent signature and the subsignature that you edit
C. The change applies only to subsignatures that are numbered sequentially after the subsignature that you edit
D. Other signatures are unaffected， the change applies only to the subsignature that you dit
【单选题】
Which type of mechanism does Cisco FirePOWER de ploy to protect ag detected moving across other networks？___
A. antivirus scanning
B. policy-based
C. reputation-based
D. signature-based
【单选题】
What action must you take on the ise to blacklist a wired device？___
A. Locate the switch through which the device is connected and push an a cl restricting all access by the device
B. Issue a CoA request for the de vice's mac address to each access switch in the network
C. Revoke the device's certificate so it is unable to authenticate to the network
D. Add the device's MAc address to a list of black listed devices
【单选题】
Which type of firewall can perform deep packet inspection？___
A. packet-filtering firewall
B. stateless firewall
C. application firewall
D. personal firewall
【单选题】
What is the main purpose of Control Plane Policing？___
A. to prevent exhaustion of route-proce ssor resources
B. to organize the egress packet queues
C. to define traffic classes
D. to maintain the policy map
【单选题】
Which attack can be prevented by OSPF authentication？___
A. smurf attack
B. IP spoofing attack
C. denial of service attack
D. buffer overflow attack
【单选题】
What is the best definition of hairpinning？___
A. ingress traffic that traverses the outbound interface on a device
B. traffic that enters one interface on a device and that exits through another interface
C. traffic that enters and exits a device through the same interface
D. traffic that tunnels through a device interface
【单选题】
Which SNMPv3 security level provides authentication using HMAC with MD5， but does not use encryption？___
A. authPriv
B. authNo Priv
C. noAuthNoPriv
D. NoauthPriv
【单选题】
You have implemented a dynamic blacklist， using security intelligence to block illicit network activity. However， the blacklist contains several approved connections that users must access for usiness pur poses. Which action can you take to retain the blacklist while allowing users to access the approve d sites？___
A. Create a whitelist and manually add the approved addresses.
B. Disable the dynamic blacklist and deny the specif ic address on a whitelist while permitting the others
C. Edit the dynamic blacklist to remove the approved addresses
D. Disable the dynamic blacklist and create a static blacklist in its place
【单选题】
When connecting to an external resource,you must change a source IP address to use one IP address from a range of 207.165.201.1 to 207.165.1.30. Which option do you implement ?___
A. dynamic source NAT that uses an IP ad dress as a mapped source
B. static destination NAT that uses a subnet as a real de stination
C. dynamic source NAT that uses a range as a mapped source
D. static destination NAT that uses a subnet as a real source
【单选题】
Refer to the exhibit. 【nat（ins，any）dynamic interface】Which ty pe of NaT is configured on a Cisco ASA？___
A. dynamic NAT
B. source identity NAT
C. dynamic PAT
D. identity twice NAT
【单选题】
Which mitigation technology for web-based threats prevents the removal of confidential data from the network？___
A. CTA
B. DCA
C. AMP
D. DLP
【单选题】
Refer to the exhibit. What is the effect of the given configuration？___
A. It establishes the preshared key for the switch
B. It establishes the preshared key for the firewall.
C. It establishes the preshared key for the Cisco ISE appliance
D. It establishes the preshared key for the router.
【多选题】
What are two major considerations when choosing between a SPAN and a TAP when plementing IPS？___
A. the type of analysis the iS will perform
B. the amount of bandwidth available
C. whether RX and TX signals will use separate ports
D. the way in which media errors will be handled
E. the way in which dropped packets will be handled
【多选题】
What are two direct-to-tower methods for redirecting web traffic to Cisco Cloud Web Security？___
A. third-party proxies
B. Cisco Catalyst platforms
C. Cisco NAC Agent
D. hosted PAC files
E. CiSco ISE
【多选题】
Which three descriptions of RADIUS are true？ ___
A. It uses TCP as its transport protocol.
B. Only the password is encrypted
C. It supports multiple transport protocols
D. It uses UDP as its transport protocol
E. It combines authentication and authorization
F. It separates authentication，authorization，and accounting
【多选题】
Which two configurations can prevent VLAN hopping attack from attackers at VLAN 10？___
A. using switchport trunk native vlan 10 command on trunk ports
B. enabling BPDU guard on all access ports
C. creating VLAN 99 and using switchport trunk native vlan 99 command on trunk ports
D. applying ACl between VLAN
E. using switchport mode access command on all host ports
F. using switchport nonegotiate command on dynamic desirable ports
【多选题】
What are two features of transparent firewall mode ___
A. It conceals the presence of the firewall from attackers
B. It allows some traffic that is blocked in routed mode
C. It enables the aSA to perform as a router.
D. It acts as a routed hop in the network.
E. It is configured by default
【多选题】
Which two models of A sa tend to be used in a data center？___
A. 5555X
B. 5585X
C. ASA service module
D. 5512X
E. 5540
F. 5520
【多选题】
Which two statements about hardware-based encrption are true？___
A. It is widely accessible
B. It is potentially easier to compromise than software-based encryption. It requires minimal configuration
C. It requires minimal configuration
D. It can be implemented without impacting performance
E. It is highly cost-effective
【多选题】
In which two modes can the Cisco We b Security appliance be de ployed？___
A. as a transparent proxy using the Secure Sockets Layer protocol
B. as a transparent proxy using the Web Cache Communication Protocol
C. explicit proxy mode
D. as a transparent proxy using the Hyper Text Transfer Protocol
E. explicit active mode
【单选题】
1．三相刀开关的图形符号与交流接触器的主触点符号是___。
A. 一样的
B. 可以互换
C. 有区别的
D. 没有区别
【单选题】
5．熔断器的作用是___。
A. 短路保护
B. 过载保护
C. 失压保护
D. 零压保护
【单选题】
6．热继电器的作用是___。
A. 短路保护
B. 过载保护
C. 失压保护
D. 零压保护
【单选题】
7．交流接触器的作用是可以___接通和断开负载。
【单选题】
8．三相异步电动机的启停控制线路由电源开关、熔断器、___、热继电器、按钮等组成。
A. 时间继电器
B. 速度继电器
C. 交流接触器
D. 漏电保护器
【单选题】
9．三相异步电动机的启停控制线路中需要有___、过载保护和失压保护功能。
A. 短路保护
B. 超速保护
C. 失磁保护
D. 零速保护
【单选题】
10维修电工以___、安装接线图和平面布置图最为重要。
A. 电气原理图
B. 电气设备图
C. 电气安装图
D. 电气组装图
