【单选题】
308.(A320)起落架收放系统___
A. A.由起落架手柄通过钢索来作动顺序valve
B. B.主系统由电传控制
C. C.备用系统由电传控制
D. D.起落架顺序valve为机械作动和控制
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答案
B
解析
暂无解析
相关试题
【单选题】
309.(A320)起落架重力放出后，如绿系统压力可用，起落架操作能否恢复正常?___
A. A.能自动恢复
B. B.需要复位重力放起落架手柄
C. C.拔跳开关复位
D. D.只能在顶起飞机状态下进行复位
【单选题】
313.(A320)前轮转弯手轮上的按钮功能是___
A. A.断开前轮转弯系统
B. B.断开脚蹬的前轮转弯功能
C. C.断开另外一侧转弯手轮的转弯功能
D. D.改变前轮转弯的允许转弯角度范围
【单选题】
566.(A320)如何作动刹车冷却风扇的工作___
A. A.飞机落地后BSCU根据刹车温度自动控制冷却风扇的工作
B. B.由一个控制电门来操作
C. C.只有在刹车温度高于设定值时，该刹车冷却风扇才会工作
D. D.只有在停留刹车位于“ON”位时，刹车冷却风扇才会工作
【单选题】
568.(A320)下列关于起落架收放的叙述正确的是___
A. A.起落架收放可以由绿系统或黄系统提供液压动力
B. B.LGCIU控制起落架的正常收放
C. C.液压切断valve是由起落架控制手柄控制开关的
D. D.起落架控制手柄通过钢索作动液压选择valve
【单选题】
569.(A320)下列关于起落架收放叙述正确的是___
A. A.只要探测到前起落架减震支柱伸出并对中就可以收上起落架
B. B.放下起落架时,当最后一个起落架舱门关闭后,才取消起落架放下指令
C. C.通过作动重力放下手柄打开各上锁机构就可以人工重力放下起落架
D. D.起落架及其舱门的位置信号是通过临近电门提供的
【单选题】
570.(A320)下面关于起落架系统说法错误的是___
A. A.起落架安全valve用于防止其下游漏油而造成液压系统漏光
B. B.起落架限流valve用于控制液压流量控制
C. C.起落架安全隔离valve用于在飞机一定空速后切断起落架系统压力
D. D.起落架顺序valve用于控制起落架和舱门的收放顺序
【单选题】
571.(A320)用方向舵进行前轮转弯操纵时：___
A. A.所有情况下最大6°
B. B.取决于飞机的速度，最大6°
C. C.所有情况下最大ATA74°
D. D.取决于飞机的速度，最大ATA74°
【单选题】
573.(A320)在ECAM机轮页面上，AUTOBRK闪烁绿色显示表示___
A. A.自动刹车解除预位
B. B.自动刹车故障
C. C.防滞失效
D. D.自动刹车正常工作
【单选题】
574.(A320)在ECAM机轮页面上，某一机轮标识号上方出现一绿色弧线，表示刹车温度高于___
A. A.300℃
B. B.200℃
C. C.50℃
D. D.在所有机轮中温度最高且超过100℃
【单选题】
575.(A320)在哪种情况下，起落架指示面板上UNLK灯亮？___
A. A.起落架在所选位置未锁定
B. B.起落架重力放出，舱门未关闭
C. C.起落架正常放出，舱门未锁定
D. D.起落架放下锁好
【单选题】
577.(A320)当按压转弯手轮上的脱开电门时___
A. A.另一侧的转弯手轮输入信号被抑制
B. B.前轮转弯功能被抑制
C. C.方向舵脚蹬输入信号被抑制
D. D.以上都不正确
【单选题】
578.(A320)当顶起前起落架使得内筒镜面完全伸出时，前轮转弯功能___
A. A.被抑制
B. B.仍然可以工作
C. C.需要模拟地面状态才能工作
D. D.需要对内筒放气才能工作
【单选题】
579.(A320)当前轮转动过程中，转动角度由___
A. A.由反馈位置传感器反馈
B. B.由作动筒位置电门反馈
C. C.由反馈总加组件控制
D. D.由反馈钢索控制
【单选题】
580.(A320)当刹车温度过高时，下面哪种情况是错误的___
A. A.刹车温度监控组件自动接通刹车风扇
B. B.ECAM显示“RAKEHOT”
C. C.刹车风扇电门显示“HOT”
D. D.ECAM刹车温度显示为绿色
【单选题】
581.(A320)当拖飞机时，扳动电器盒上面的转弯解除手柄时，下面说法不正确的是___
A. A.通过控制连杆旁通液压系统
B. B.ECAM会触发一个MEMO信息
C. C.方向舵脚蹬转弯功能也失效
D. D.当一台发动机启动时，停留刹车信息变成琥珀色
【单选题】
582.(A320)当自动刹车工作时，什么情况下解除预位？___
A. A.地面减速板收回
B. B.按下方式按钮或失去一个预位条件
C. C.用足够的力踩刹车
D. D.A,B或C任何一项都可
【单选题】
583.(A320)地面闭合起落架舱门___
A. A.接通黄液压系统电动泵并关断PTU
B. B.在作动地面维护手柄时液压系统会自动接通
C. C.由于起落架不会作动,无须安装起落架销
D. D.以上答案都不正确
【单选题】
584.(A320)地面打开起落架舱门___
A. A.接通黄液压系统电动泵并关断PTU
B. B.在作动地面维护手柄时液压系统会自动接通
C. C.备用液压系统工作并开锁
D. D.无须液压系统增压
【单选题】
585.(A320)地面收放起落架时，下面哪种判断飞机水平姿态的方法不可取___
A. A.使用惯导
B. B.使用飞机本身提供的水平仪
C. C.测量起落架或轮胎离地间隙
D. D.使用辅助水平仪等工具
【单选题】
586.(A320)对于自动刹车,下列说明不正确的是___
A. A.只能由绿系统提供液压动力
B. B.一旦实施自动刹车,将无法进行人工超控
C. C.自动刹车所控制的减速率是指飞机的减速率
D. D.预位后,只有在地面扰流板放出后才进行
【单选题】
587.(A320)防滞功能是通过哪一项来实现的?___
A. A.比较四个机轮的速度差
B. B.将轮速与飞机参考速度比较
C. C.比较左右主起落架轮速
D. D.人工间隙松开刹车
【单选题】
588.(A320)关于BSCU，下面说法错误的是：___
A. A.有和B两个控制通道
B. B.是一个电—液控制组件
C. C.有控制前轮转弯系统的功能
D. D.有控制刹车系统的功能
【单选题】
589.(A320)关于前轮转弯的部件，下面说法错误的是___
A. A.转弯作动筒为液压作动
B. B.有一个用于解除前轮转弯工作的电器盒
C. C.有两个反馈位置传感器
D. D.有两个控制系统工作的计算机
【单选题】
590.(A320)关于前轮转弯液压伺服控制组件，下面说法不正确的是___
A. A.提供前轮转弯系统液压压力
B. B.控制前轮转弯系统作动角度
C. C.反馈前轮转弯角度
D. D.是一个电—液控制组件
【单选题】
591.(A320)关于刹车储压器的释压valve，下面说法不正确的是___
A. A.防止热膨胀引起过压
B. B.人工维护释压
C. C.释放过量的气体
D. D.自动复位
【单选题】
592.(A320)关于主起落架的灌充,下面说法不正确的是___
A. A.灌充使用的气体为高压冷空气
B. B.灌充使用的液压油为我们常用的“红油”
C. C.使用两个灌充valve进行灌充
D. D.起落架下部的灌充valve用于灌充气体
【单选题】
593.(A320)关于主起落架扭力连杆减摆器的说法,下面正确的是___
A. A.当减摆器油量指示器显示"REFILL"时需要勤务
B. B.当减摆器油量指示器显示蓝色时需要勤务
C. C.减摆器没有油量指示器
D. D.当减摆器油量指示器指针指示红区时需要勤务
【单选题】
594.(A320)驾驶舱内的刹车压力指示表是___
A. A.正常刹车系统压力传感器提供的信号
B. B.备用刹车系统压力传感器提供的信号
C. C.自动刹车压力传感器提供的信号
D. D.以上都不对
【单选题】
599.(A320)前轮转弯电器盒的功能是___
A. A.控制前轮转弯的最大转弯角度
B. B.可以用来解除前轮转弯系统的工作
C. C.控制前轮转弯系统的工作
D. D.只是起反馈作用
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Which two default settings for port security are true ？___
A. Violation is Protect
B. Violation is Restrict
C. Violation is Shutdown
D. Maximum number of MAC addresses is 2
E. Maximum number of MAC addresses is 1
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Which two are characteristics of RADIUS？___
A. Uses UDP ports 1812 /1813
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C. Uses UDP port 49
D.
E. ncrypts only the password between user and server
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Which two SNMPv3 services support its capabilities as a secure networ k manage protocol？ ___
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Which two statements about routed firewall mode are true ？___
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Which two statements describe DHCP spoofing attacks？___
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E. They can physically modify the network gateway
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Which two types of VLANs using PVLANs are valid？___
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What are two limitations of the self-zone policies on a zone-based firewall？___
A. They are unable to block Https traffic
B. They restrict SNMP traffic.
C. They are unable to support Https traffic
D. They are unable to implement application inspection
E. They are unable to perform rate limiting
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Which two descriptions of TACACS+ are true？ ___
A. The TACACS+ header is unencrypted
B. It combines a uthentication and authorization
C. It uses TCP as its transport protocol
D. Only the password is encrypted.
E. It uses UDP as its transport protocol.
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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
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Which two ESA services are available for incoming and outgoing mails ？___
A. anti-DoS
B. reputation filter
C. antispam
D. content filter
E. DLP
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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
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A. accountability
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B. authentication
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C. username Operator privilege 15 password cisco
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Which EAP method authenticates a client against Active Directory without the use of client-side 802.1X certificates？___
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B. EAP-MSCHAPv2
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D.
E. AP-GTC
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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
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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
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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.
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A. sh crypto se ssion
B. debug crypto isakmp
C. sh crypto isakmp sa
D. sh crypto ipsec sa
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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.
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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
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A. show secure bootset
B. secure boot-image
C. show binary file
D. ure boot-config
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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
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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
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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
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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
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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
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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.
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D. Use packet-tracer rules to reroute misrouted NAT entries.
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What term can be defined as the securing， control， and identification of digital data？___
A. cryptography
B. crypto key
C. cryptoanalysis
D. cryptology
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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
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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.
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What configuration is required for multitenancy ?___
A. shared infrastructure
B. multiple carriers
C. co-located resources
D. multiple separate zones
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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
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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
