【单选题】
除了给发动机供油外，燃油还有什么用途？___
A. A冷却IDG滑油
B. B冷却发动机滑油
C. C冷却液压油
D. DA和B都正确
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答案
D
解析
暂无解析
相关试题
【单选题】
发动机低压燃油valve由谁关闭?___
A. A发动机火警电门或中央油箱传输valve控制逻辑
B. B发动机火警电门或方式选择电门设在人工位
C. C发动机火警电门或发动机主电门
D. D以上都不对
【单选题】
在正常操作时，交输valve：___
A. A当中央油箱油量大于100KG且任何油箱油量少于5000KG时，自动打开
B. B起飞时人工关闭
C. C起飞时人工打开
D. D由方式选择按钮开关自动打开
【单选题】
何时发动机低压燃油valve关闭?___
A. A燃油增压泵压力下降时
B. B发动机关车时或发动机火警按钮按出时
C. C发动机火警探测系统探测到发动机火警
D. D一直打开，无法关闭
【单选题】
当一个内格油箱油面低时，___
A. A一个内格油箱传输valve打开
B. B一侧大翼内的两个传输valve打开
C. C每侧大翼内，各一个传输valve打开
D. D飞机需要加油
【单选题】
飞行中如果中央油箱有油，选择自动（供油）方式，伸出缝翼会发生什么？___
A. A中央油箱泵开
B. B中央油箱泵关
C. C中央油箱泵维持原方式
D. D中央油箱泵工作5分钟后关
【单选题】
在地面如果伸出缝翼，中央油箱有油，选择自动（供油）方式，发动机启动一分钟后，会发生什么？___
A. A中央油箱泵仍在运转
B. B中央油箱泵停止
C. C大翼油箱泵关
D. D以上都不对
【单选题】
Onground,theenginesarestopped,howdoyouclosetheLPfuelvalve?___
A. A.ByreleasingouttheENGFIREP/B
B. B.ByremovingelectricalpowerfromA/C
C. C.Thevalveisalreadyclosed
D. D.Thevalvecannotbeclosed
【单选题】
HowmanymotorsdoestheAPULPfuelvalvehave?___
A. A.OneDCmotor
B. B.TwoDCmotors
C. C.Twomotors,oneDC(forabatterystart)andoneAC
D. D.TwoACmotors
【单选题】
Theinnercellisrefuelledonlywhen:___
A. A.Centertankisfull
B. B.Outercellisfull
C. C.Outercellisempty
D. D.Centertankandoutercellareempty
【单选题】
Refuelvalvesmaybeactuated:___
A. A.Electricallyonly
B. B.Manuallyonly
C. C.Electricallyormanually
D.
【单选题】
Innormaloperation,whichtankwillbeemptiedfirst?___
A. A.Theinnercell
B. B.Thecentertank
C. C.Theoutercell
D.
【单选题】
Onground,theenginesarestopped,howdoyouclosetheLPvalve?___
A. A.ByreleasingouttheENGFIREP/B
B. B.ByremovingelectricalpowerfromA/C
C. C.Thevalveisalreadyclosed
D. D.Thevalvecannotbeclosedonground
【单选题】
Whenthereisalowlevelinoneinnercell:___
A. A.Oneintercelltransfervalveopens
B. B.Twotransfervlavesinonewing,open
C. C.Twotransfervalves,oneineachwing,open
D. D.Fourtransfervalves,twoineachwing,open
【单选题】
对于A321飞机，当中央油箱正在抽吸燃油（正在使用中央油箱燃油）时，大翼燃油箱燃油泵在工作吗？___
A. A.一直在工作
B. B.不工作，只有中央油箱燃油用完后才工作
C. C.不工作，因为飞机是优先使用中央油箱燃的
D. D.以上都不对
【单选题】
对于A321飞机要进行大翼油箱的维护时，可采用___
A. A.只要中央油箱容量足够，则可把大翼油箱燃油串到中央油箱里
B. B.可把大翼内格油箱的燃油串到外格油箱里
C. C.只能把大翼油燃油抽离飞机且中央油箱也要抽空
D. D.以上都不对
【单选题】
在油箱里有一系列的燃油量探头，当一个探头故障后：___
A. A.相应油箱的油量显示数值闪动
B. B.燃油量显示消失
C. C.燃油量显示后两位数上出现琥珀色横线（降级显示）
D. D.燃油显示没有变化
【单选题】
Whenthecentertankisempty,inAUTOMODE,thecentertanktranstervalves___
A. A、mustbemanuallyswitchedOFFafter5minutes
B. B、stopautomaticallyandwinptankpumpsstartrunning
C. C、closeautomaticallyafteratimedelayof5minutes
D.
【单选题】
A320飞机，哪些油箱显示燃油温度？___
A. A.左主油箱、中央油箱、右主油箱
B. B.左内外隔油箱、右内外隔油箱
C. C.左内隔油箱、右内隔油箱
D. D.左外隔油箱、右外隔油箱
【单选题】
A320飞机，以下哪一组燃油量传感器可以左右互换？___
A. A.21QT1和21QT2
B. B.23QT1和24QT2
C. C.25QT1和28QT2
D. D.22QT1和33QT2
【单选题】
A320飞机上，是什么部件将6个燃油泵分成两部分？___
A. A.顺序valve
B. B.发动机火警燃油关断valve
C. C.交输valve
D. D.中央油箱、主油箱之间的过压保护器
【单选题】
FLSCU代表：___
A. A.FuelLiquidSystemControlUnit
B. B.FuelLevelSensorControlUnit
C. C.FuelLevelsensingControlUnit
D. D.FuelLiquidSensorControlUnit
【单选题】
油箱之间的人工串油，在打开了交输valve后，应该如何操作？___
A. A.只要打开抽油valve和被串油箱的燃油泵
B. B.只要打开加油valve和被串油箱的燃油泵
C. C.必须打开加油valve、抽油valve和被串油箱的燃油泵。
D. D.使用加油车进行串油
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【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
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C. defines the packet filter
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How is management traffic isolated on a Cisco ASR 1002？___
A. Traffic isolation is done on the vlan level
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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
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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
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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
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C. Configure twice NAT instead o bject NAT. 5
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
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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
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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
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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
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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
【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.
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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
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【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
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Which IPS detection method examines network traffic for preconfigured patterns？___
A. signature-based detection
B. honey-pot detection
C. anomaly-based detection
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【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
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【单选题】
What is the maximum num ber of methods that a single method list can contain？___
A. 4
B. 3
C. 2
D. 5
【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
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【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
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【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
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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
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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
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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
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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.
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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
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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.
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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？___
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【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
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D. Use Https
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【多选题】
Which two are considered basic security principles？___
A. Accountability
B. Redundancy
C. High Availabilit
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Which two roles of the Cisco WSA are true？___
A. IPS
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C. antispam
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Which next-generation encryption algorithm supports four variants？___
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【单选题】
What aims to remove the abil ity to deny an action？___
A. Non-Repudiation
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