【单选题】
What aims to remove the abil ity to deny an action？___
A. Non-Repudiation
B. Accountability
C. Integrity
D. Deniability
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相关试题
【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
推荐试题
【单选题】
在无EPR可用的情况下受影响的FADEC会自动转至N1方式。此时：___
A. 迎角平台保护和灵活起飞功能失效，自动推力功能仍可用
B. 自动推力和灵活起飞功能失效，迎角平台保护功能仍有效
C. 自动推力、迎角平台保护和灵活起飞功能失效
D. 自动推力、迎角平台保护和灵活起飞功能均有效
【单选题】
当使用灵活温度推力起飞后飞行员将油门杆移到FLX MCT卡槽外（但未达到TOGA或CL卡位）然后再回到FLX MCT 卡位：___
A. 灵活推力变为最大连续推力
B. 仍为灵活推力
【单选题】
FMA上的第三行何时闪动白色的“LVR MCT”信息：___
A. 一台发动机失效（速度高于绿点）以后，若油门杆不在MCT卡位时
B. 两台发动机都在运转，一个油门杆设在CLB位，而另一个油门杆设在MCT卡位时
C. 两台发动机都在运转，两个油门杆均设在MCT卡位时
【单选题】
FADEC有哪几种慢车方式：___
A. 调节的慢车和进近慢车
B. 进近慢车和反推慢车
C. 调节的慢车和反推慢车
D. 调节的慢车、进近慢车和反推慢车
【单选题】
飞行中FADEC何时选择进近慢车？___
A. 当襟翼延伸到FLAP2 FLAP3或FULL时，或当起落架放下时
B. 当襟翼延伸到 FLAP3或FULL时，或当起落架放下时
C. 当起落架放下时
D. 当启动进近时
【单选题】
进近慢车依据飞机高度面调节，不管引气系统命令如何，并允许发动机快速从慢车加速到复飞推力：___
【单选题】
在空中，当发动机起动旋钮在IGN/START位时，连续点火被选择，此时：___
A. 只有一个点火器被选择（如果失败，两个点火器自动都被选择）
B. 两个点火器都补选择
【单选题】
何时发动机自动选择连续点火？___
A. 开启发动机防冰且相关的EIU（发动机接口组件）失效
B. FADEC检测到发动机失效和情况有10秒
C. 当发动机在N3大于50%运行时，有10秒无意的主杆循环
D. 以上A，B和C
【单选题】
在地面人工起动发动机的过程中，FADEC仍有终止人工起动的权限：___
【单选题】
当所有的DMC ECAM通道失效时：___
A. 发动机主要参数自动显示在每个ND上
B. 无法显示发动机主要参数
C. 发动机主要参数自动显示在下ECAM显示组件上
D. 发动机主要参数可通过使用EFIS控制面板上的ND选择器显示在每个ND上
【单选题】
备忘显示栏中“IGNITION”信息何时显示：___
A. 仅当FADEC自动选择点火时
B. 仅当机组人工选择点火时
C. 当FADEC自动选择点火或者当机组人工选择点火时
【单选题】
中压转子由连接在一个单级中压涡轮的8级中压压缩组成：___
【单选题】
环形的燃烧室装有多少个燃油嘴：___
A. 2个
B. 16个
C. 24个
D. 36个
【单选题】
以下哪种情况下，发动机EPR方式自动转向额定的N1方式：___
A. 发动机T2和ADIRS1+2Tt不可用
B. 发动机P2和ADIRS1+2Pt不可用
C. 发动机P2和P5不可用
D. 发动机P0和ADIRS1+2PS不可用
【单选题】
FADEC在非额定的N1方式时，如果故障消失，关掉头顶板的ENG N1 MODE按钮可以返回EPR方式：___
【单选题】
FADEC为每个油门杆位置计算推力额定极限。若油门杆设置在两个卡槽位之间时：___
A. FADEC将选择与较低卡槽位相对应的额定值极限
B. FADEC将选择与较高卡槽位相对应的额定值极限
C. FADEC将选择与油门杆位置相对应的额定值极限
【单选题】
高压燃油泵由：___
A. 高压压缩机传动杆驱动
B. 中压压缩机传动杆驱动
C. 低压压缩机（风扇）传动杆驱动
【单选题】
何时FADEC选择调节慢车：___
A. 飞行中当襟翼收回，轮子收上时
B. 在地面，如果未选择反推
C. 飞行中当襟翼放出时
D. 以上A和B
【单选题】
在地面每次自动起动时，FADEC自动交替使用点火器，也交替使用电力供应源：___
【单选题】
如果FADEC在地面或飞行中检测到熄火情况，两个点火器A+B将会自动蓄能10秒钟：___
【单选题】
在地面自动起动程序中，FADEC全权控制：___
A. 起动活门和点火器
B. 起动活门、点火器，燃油高压活门和燃油低压活门
C. 起动活门、点火器和燃油高压活门
D. 起动活门、点火器和燃油低压活门
【单选题】
地面人工起动发动机时，在发动机主开关设为开之后，通过将它选择关位，可中断起动。此时：___
A. 机组应该选择干冷转
B. 没有必要选择干冷转
【单选题】
地面人工起动发动机时，在发动机主开关设为开之前，通过选择人工起动按钮至关位，可中断起动。此时：___
A. 机组应该选择干冷转
B. 没有必要选择干冷转
【单选题】
人工选择发动机干冷转后如何终止该次干冷转：___
A. 只能设置人工起动按钮为关位来终止
B. 设置人工起动按钮为关位或选择发动机起动旋钮到正常位
C. 只能选择发动机起动旋钮到正常位来终止
【单选题】
起飞可以使用什么推力设置：___
A. 任何人工设置
B. 灵活温度和最大连续推力
C. 爬升和起飞/复飞
D. 灵活温度/最大连续推力和起飞/复飞
【单选题】
你将要起飞，你还没有输入灵活温度，你能起飞吗？___
A. 不能，直到你输入了灵活温度后才行
B. 能，将推力手柄设置到爬升位即可
C. 能，设置手柄到灵活温度/最大连续推力位即可
D. 能，但是只能将手柄设置到TO/GA位
【单选题】
起飞后，自动推力不会变为现用直到___
A. 自动驾驶接通
B. 推力手柄移出TO/GA或FLEX/MCT位
C. 推力手柄放置在CLIMB位
D. 自动推力按钮人工选择
【单选题】
1．A330-200最大滑行重量___
A. 230800KG
B. 230800KG
C. 233900KG
D. 233000KG
【单选题】
A330-200最大起飞重量___
A. 233000KG
B. 220000KG
C. 240000KG
【单选题】
A330-200最大着陆重量___
A. 170000KG
B. 185000KG
C. 182000KG
【单选题】
A330-200最大无燃油重量___
A. 166000KG
B. 160000KG
C. 170000KG
【单选题】
A330-200最小重量___
A. 116000KG
B. 110000KG
C. 168000KG
【单选题】
可用的最大跑道坡度(平均)为多少:___
A. 正负3%
B. 正负2%
C. 正负2.5%
【单选题】
最大可用的跑道标高为:___
A. 12000英尺
B. 13000英尺
C. 12500英尺
【单选题】
客舱操作的最大风速是:___
A. 30kts
B. 60kts
C. 40kts(或50kts,如果机头正对着风向)
【单选题】
货舱门操作的最大风速是:___
A. 80kts
B. 70kts
C. 40kts(或50kts,机头正对风向或者货舱门在下风边时)
【单选题】
起落架可操作（放下和收起）的最大速度:___
A. 260kts/.57
B. 250kts/.55
C. 275kts/.55
【单选题】
重力放轮的最大速度:___
A. 200kts
B. 210kts
C. 220kts
【单选题】
起落架可以放下的最大高度是:___
A. 25000英尺
B. 30000英尺
C. 21000英尺
【单选题】
最大轮胎地速是:___
A. 190kts
B. 210kts
C. 204kts
