【单选题】
飞行中，如将停留刹车置于ON位，上ECAM的PARKBRK备忘显示为:___
A. A绿色
B. B琥珀色
C. C蓝色
D. D红色
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相关试题
【单选题】
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】
ADIRS1和ADIRS3失效后，防滞仍可用吗？___
A. A仍可用
B. B不可用
C. CADIRS2正常时就可用
D. DSEC工作正常时就可用
【单选题】
绿液压系统可用时，如防滞和前轮转弯开关放在OFF位：___
A. A正常刹车，前轮转弯失效
B. B备用刹车，前轮转弯正常
C. C正常刹车无防滞，前轮转弯失效
D. D备用刹车无防滞，前轮转弯失效
【单选题】
如备用刹车使用黄液压系统工作，则自动刹车：___
A. A仍可用，且有防滞
B. B失效
C. C仍可用，但无防滞
D. D不受影响
【单选题】
WhendoestheautomaticchangeoveroftheLGCIUsincontroloccur?___
A. A.When"DOWN"isselected
B. B.When"UP"isselected
C. C.Whenthefirstenginestarts
D. D.Whenthelandinggeararecompressed
【单选题】
WhichunitgivesthelandinggearpositiontoECAMdisplay?___
A. A.EitherLGCIUinturn
B. B.BothLGCIUssimultaneously
C. C.LGCIU1only
D. D.LGCIU2only
【单选题】
Whichunitgivesthelandinggearpositiontolandinggearindicatorpanel?___
A. A.EitherLGCIUinturn
B. B.BothLGCIUssimultaneously
C. C.LGCIU1only
D. D.LGCIU2only
【单选题】
Whichhydraulicsystempowersnormallandinggearoperation?___
A. A.Greensystems
B. B.Bluesystems
C. C.Yellowsystems
D. D.Blueandyellowsystems
【单选题】
Whatcontrolsthelandinggearnormaloperatingsequence?___
A. A.EitherLGCIUintrun
B. B.BothLGCIUssimultaneously
C. C.LGCIU1only
D. D.Thecrankhandle
【单选题】
Whatisthenormalretractionsequence?___
A. A.Dooropen,gearup,doorclose,cancelgearupsignal
B. B.Doorclose,gearup,dooropen,maintaingearupsignal
C. C.Dooropen,gearup,doorclose,canceldoorclosesignal
D. D.Doorclose,gearup,dooropen,maintaingearupsignal
【单选题】
Whatisthepurposeofthehydraulicfuses?___
A. A.Tostoptheflowincaseofleakage
B. B.Toshutoffthereturnlines
C. C.ToseparatetheNormalfromtheAlternateServovalves
D.
【单选题】
Howcantheparkingbrakebehydraulicallypowered?___
A. A.Onlybygreenhighpressure
B. B.Onlybythebrakeaccumulator
C. C.Eitherbygreenhighpressureorbythebrakeaccumulator
D. D.Eitherbyyellowhighpressureorbythebrakeaccumulator
【单选题】
Howisinflightbrakinginitiated?___
A. A.BysettingthelandinglevertotheUPposition
B. B.BysettingthelandinglevertotheDOWNposition
C. C.Byautobrakedeactivation
D. D.Byshockabsorberextension
【单选题】
Whichhydraulicsystempowersnormalbraking?___
A. A.Greensystems
B. B.Bluesystems
C. C.Yellowsystems
D. D.Redsystems
【单选题】
BSCU何时进行防滞刹车控制___
A. 正常刹车和备用刹车；
B. 只有正常刹车；
C. 只有自动刹车失效时。
D.
【单选题】
BSCU何时提供防滞刹车控制___
A. 在正常刹车和备用刹车时；
B. 在正常刹车时；
C. 在自动刹车失效时。
D.
【单选题】
ECAM页面上，L/GCTL显示琥珀色时表示___
A. 起落架未锁定在上锁位；
B. 起落架与舱门位置不一致；
C. 起落架位置与手柄位置不一致。
D.
【单选题】
LGCIU位于何处___
A. 电子电气舱；
B. 起落架舱；
C. 液压舱。
D.
【单选题】
LGCIU给什么部件信号来控制液压系统的供压，用以收放起落架___
A. 选择valve；
B. 收放作动筒；
C. 收放valve。
D.
【单选题】
UNLK灯亮表示什么___
A. 起落架与相应舱门未在上锁位；
B. 起落架未在下锁位；
C. 起落架未锁定在选定位置。
D.
【单选题】
ＷＨＣ使用的电源为___
A. 28VDC；
B. 115VAC。
C.
D.
【单选题】
WINGAICE在机翼防冰valve按扭至于"ON"位时显示___
A. 绿色；
B. 白色；
C. 琥珀色；
D. 兰色。
【单选题】
备用刹车方式中，刹车压力由谁决定___
A. 双梭形valve；
B. 双valve；
C. 调压valve；
D. 脚蹬位置。
【单选题】
操作地面收放舱门手柄时，作动___
A. 切断valve；
B. 通气valve；
C. 舱门旁通valve。
D.
【单选题】
窗和风挡内的传感器的状态___
A. Ａ两个主用；
B. Ｂ一个主用一个备用；
C. Ｃ两个备用。
D.
【单选题】
当EIU供电跳开关拔出时将发生什么？___
A. 没有什么发生；
B. 风挡加热切断；
C. 风挡和窗得到加热。
D.
【单选题】
当防冰控制valve的出口压力低于（）时，出现"低压"信号___
A. 10PSI；
B. 13PSI；
C. 18PSI。
D.
【单选题】
当防冰控制valve的出口压力高于（）时，出现高压信号___
A. 32PSI；
B. 36PSI；
C. 48PSI。
D.
【单选题】
当一个机轮的轮速下降到低于参考速度的0。78倍时，有什么发生___
A. 一个刹车释放指令送到同一边起落架的所有机轮上；
B. 一个刹车释放指令送到这个机轮上；
C. 刹车释放指令送到所有机轮上。
D.
【单选题】
当重力放起落架手柄顺时针转动时，那两个valve被作动___
A. 切断valve和通气valve；
B. 安全valve和切断valve；
C. 安全valve和通气valve。
D.
【单选题】
当自动刹车起作用时压下脚蹬，将发生什么情况___
A. 什么也不发生；
B. 自动刹车将解除；
C. 飞机将在选定的减速率下减速。
D.
【单选题】
发动机防冰valve的本件上是否有开关指示？___
【单选题】
发动机防冰valve是否可以地面锁定？___
【单选题】
发动机进气道的防冰引气来自于___
A. 空调；
B. 发动机高压压气机；
C. 发动机低压压气机。
D.
【单选题】
发动机进气道用何种方式防止结冰？___
【单选题】
飞机起飞后前轮如何定中___
A. 定中凸轮定中；
B. 转弯作动筒定中；
C. 齿轮齿条定中。
D.
【单选题】
缝翼（）号需要防冰保护___
A. 1、2、3号；
B. 2、3、4号；
C. 3、4、5号。
D.
【单选题】
何种减速率模式下，扰流板伸出4秒后有持续的压力施加到刹车___
A. MAX；
B. MED；
C. LO。
D.
【单选题】
机翼缝翼（）号不需要防冰___
A. Ａ１号和５号；
B. Ｂ２号和３号；
C. Ｃ１号和２号。
D.
推荐试题
【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
【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
