刷题
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【单选题】
Which IPSEC mode is used to encypt traffic directly between a client and a server VPN endpoint?___
A. quick mode
B. transport mode
C. aggressive mode
D. tunnel mode
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答案
B
解析
暂无解析
相关试题
【单选题】
Which command do you enter to verify that a vpn connection is established between two endpoints and that the connection is passing traffic? ___
A. Firewall#sh crypto session
B. Firewall#debug crypto isakmp
C. Firewall#tsh crypto ipsec sa
D. Firewall#sh crypto isakmp sa
【单选题】
which type of Pvlan port allows communication from all port types?___
A. isolated
B. in -line
C. community
D. promiscuous
【单选题】
Which command do you enter to configure your firewall to conceal internal addresses?___
A. no ip directed-broadcast
B. no ip logging facility
C. no proxy-arp
D. no ip inspect audit-trial
E. no ip inspect
F. route
【单选题】
Which feature defines a campus area network? ___
A. It has a limited number of segments.
B. It has limited or restricted Internet access
C. It lacks ex1ternal connectivity.
D. It has a single geographic location
【单选题】
What technology can you use to provide data confidentiality data integrity and data origin authentication on your network?___
A. IPSec
B. Certificate Authority
C. IKE
D. Data
E. ncryption Standards
【单选题】
which standard is a hybrid protocol that uses oakley and skerne ke y exchanges is an ISAKMP framework?___
A. SHA
B. IPSec
C.
D. ES
【单选题】
What is the actual los privilege level of User Exec mode?___
A. 1
B. 0
C. 5
D. 15
【单选题】
What is the effect of the asa command crypto isakmp nat-traversal?___
A. It opens port 500 only on the out side interface
B. It opens port 500 only on the inside interface
C. It opens port 4500 on all interfaces that are IPSec enabled
D. It opens port 4500 only on the out side interfac
【单选题】
Which Fire POWER preproce ssor engine is used to prevent SYN attacks?___
A. Inline normalization
B. IP Defragmentation
C. Ports can
D. etection
【单选题】
Which NAT type allows objects or groups to reference an IP address ?___
A. identity NAt
B. static NAT
C. dynamic
D. dynamic NAT
【单选题】
Which Auto NAT policies are processed first?___
A. Dynamic NAT with longest prefix
B. Dynamic NAT with shortest prefix
C. static NAT with longest prefix
D. static NAT with shortest prefix
【单选题】
Which feature allows a dynamic Pat pool to se lect the next address in the pat pool instead of the next port of an existing address?___
A. next IP
B. round robin
C. dynamic rotation
D. NAT address rotation
【单选题】
Which IPS detection method can you use to detect attacks that are based on the attackers IP address?___
A. anomally-based
B. policy-based
C. signature-based
D. reputation-based
【单选题】
Which type of encryption technology has the broadest platform support?___
A. software
B. middleware
C. file-level
D. hardware
【单选题】
Which type of address translation supports the initiation of comm unications bidirectionally ?___
A. multi-session PAT
B. dynamic NAT
C. dynamic PAT
D. static NAT
【单选题】
Which label is given to a person who uses existing computer scripts to hack into computers while lacking the expertise to write the own?___
A. script kiddy
B. white hat hacker
C. hacktivist
D. phreaker
【单选题】
What is the primary purpose of a defined rule in an IPS?___
A. to configure an event action that takes place when a signature is triggered
B. to define a set of actions that occur when a specific user logs in to the system
C. to configure an event action that is pre-defined by the system administrator
D. to detect internal attacks
【单选题】
Which option is the default valuce for the Diffie- Hell man group when configuring a site-to-site VPn on an asa device ?___
A. Group 1
B. Group 2
C. Group 5
D. Group 7
【单选题】
Which feature filters CoPP packets?___
A. access control lists
B. class maps
C. policy maps
D. route maps
【单选题】
Which command is used in global configuration mode to enable AAA?___
A. configure-model aaa
B. configure aaa-modelA
C. aaa new-model
D. aaa
E. XEC
【单选题】
Which statement about the given configuration is true?___
A. The single-connection command causes the device to establish one connection for all TACACS
B. The single-connection command causes the device to process one TacAcs request and then move to the next server
C. The timeout com mand causes the device to move to the next server after 20 seconds of TACACS inactive
【多选题】
What are two well-known security terms?___
A. phishing//网络钓鱼
B. ransomware //勒索软件
C. BPDU guard
D. LACP
E. hair-pinning
【多选题】
Which two commands must you enter to securely archive the primary bootset of a device___
A. router(config )#secure boot-config
B. router(config)#auto secure
C. router(config)#secure boot-image
D. router(config)#service passw ord-encryption
【多选题】
Which two functions can SIEM provide ?___
A. correlation between logs and events from multiple systems
B. event aggregation that allows for reduced log storage requirements
C. proactive malware analysis to block malicious traffic
D. dual-factor authentication
E. centralized firewall management
【多选题】
Which two features of Cisco Web Reputation tracking can mitigate web-based threats?___
A. buffer overflow filterin dhsuowip
B. Bayesian filters
C. web reputation filters
D. outbreak filtering
E. exploit filtering
【多选题】
What are two challenges when deploying host- level IPS? ___
A. The deployment must support multiple operating systems.
B. It is unable to provide a complete networ k picture of an attack.
C. It is unable to determine the outcome of e very attack that it detects
D. It does not provide protection for offsite computers
E. It is unable to detect fragmentation attacks
【多选题】
Which technology can be used to rate data fidelity and to provide an authenticated hash for data?___
A. file reputation
B. file analysis
C. signature updates
D. network blocking
【多选题】
Which two statements about host-based iPS solutions are true?___
A. It uses only signature-based polices
B. It can be deployed at the perimeter.
C. It can be have more restrictive policies than network-based IPS
D. it works with deployed firewall
E. It can generate alerts based on be havior at the de sto
【多选题】
When two events would cause the state table of a stateful firewall to be updated? ___
A. when a packet is evaluated against the outbound access list and is denied
B. when a con nection is created
C. when rate-limiting is applied
D. when a connection s timer has expired within the state table.
E. when an outbound packet is forwarded to the outbound interface
【多选题】
Which two characteristics apply to an intrusion Prevention System(IPS)?___
A. Cannot drop the packet on its own
B. Cabled directly inline with the flow of the network traffic
C. Runs in promiscuous mode wat
D. Does not add delay to the original traffic
E. Can drop traffic based on a set of rules
【多选题】
crypto ipsec trans form-set myset esp-md5-hmac esp-aes-256,What are two effects of the given command?___
A. It configures authentication use AES 256.
B. It configures authentication to use MD5 HMAC
C. It configures authentication use AES 256.
D. It configures encryption to ase MD5 HMAC.
E. It configures encryption to use AES 256
【多选题】
your security team has discovered a malicious program that has been harvesting the CEos email messages and the com pany 's user database for the last 6 months. What are two possible types of attacks your team discovered?___
A. social activism
B. EPolymorphic Virus
C. advanced persistent threat
D. drive-by spyware
E. targeted malware
【单选题】
以下关于数据处理的叙述中,不正确的足___。
A. :数据处理不仅能预测不久的未来,自时还能影响未
B. :数据处理和数据分析可以为决策提供真知灼见
C. :数据处理的重点应从技术角度去发现和解释数据蕴涵的意义
D. :数据处理足从现实世界到数据,冉从数据到现实世界的过程
【单选题】
“互联网十制造”是实施《中国制造2025》的重要措施。以下对“互联网十制造”主要特征的叙述中,不正确的是___。
A. :数字技术得到普遍应用,设计和研发实现协同与共享
B. :通过系统集成,打通整个制造系统的数据流、信息流
C. :企业生产将从以用户为中心向以产品为中心转型
D. :企业、产品和用户通过网络平台实现联接和交互
【单选题】
信息技术对传统教育方式带来了深刻的变化。以下叙述中,不正确的是___。
A. :学习者可以克服时空障碍,实现随时、随地、随愿学习
B. :给学习者提供宽松的、内容丰富的、个性化的学习环境
C. :通过信息技术与学科教学的整合,激发学生的学习兴趣
D. :教育信息化的发展使学校各学科全部转型为电子化教育
【单选题】
厂参加技能考核的女工有___人。
A. :16
B. :18
C. :20
D. :24
【单选题】
(a+b-|a-b|)/2=___。
A. :a
B. :b
C. : min (a,b)
D. :max (a,b)
【单选题】
在信息收集过过程中,需要根据项目的目标把握数据___要求,既不要纳入过多无关的数据,也不要短缺主要的数据:既不要过于简化,也不要过于繁琐。
A. :适用性
B. :准确性
C. :安全性
D. :及时性
【单选题】
许多企业常把大量暂时不用的过期数据分类归档转存于___中。
A. :ROM
B. :移动硬盘
C. :cache
D. :RAM
【单选题】
信息传递的三个基本环节中,信息接收者称为___。
A. :信源
B. :信道
C. :信标
D. :信宿
推荐试题
【单选题】
975.(A320)在哪种情况下,前轮转弯系统仍然可以工作___
A. A.地面人工维护时打开前起落架舱门
B. B.重力放起落架后
C. C.BSU两个通道均失效
D. D.滑行速度大于130节
【单选题】
976.(A320)当地面维护接通黄系统电动泵并关断PTU时,此时踩刹车脚蹬___
A. A.刹车压力的大小通过备用低压液压系统将信号传递给备用刹车控制系统,但防滞功能仍由BSCU控制
B. B.此时在停留刹车压力表上看不到刹车压力
C. C.刹车毂上的两组活塞(正常和备用)均由黄系统压力作动
D. D.以上都不正确
【单选题】
977.(A320)当飞机顶起在空中状态时,使用地面维护手柄打开起落架舱门后___
A. A.起落架收放功能被抑制
B. B.舱门收放功能被抑制
C. C.起落架和舱门收放功能都被抑制
D. D.都不受影响
【单选题】
978.(A320)当前起落架镜面有油迹时,表明___
A. A.前轮转弯作动筒漏油
B. B.起落架内筒漏油
C. C.润滑内外筒转动轴承时渗漏出来的油
D. D.都有可能
【单选题】
979.(A320)关于起落架灌充的说法,下面正确的是___
A. A.在不同情况下,内筒的灌充压力读数可能是不同的
B. B.每架飞机灌充完后在地面的镜面高度都应该是一样的
C. C.每架飞机灌充完后在地面的内筒压力都应该是一样的
D. D.需要考虑飞机的重量变化对灌充的影响
【单选题】
980.(A320)关于前起落架,下面说法正确的是___
A. A.灌充时需要对比上下两个气腔的压力值
B. B.当主封严失效时可以通过备用封严作动valve来转换成备用封严
C. C.使用起落架底部的valve进行灌充
D. D.以上答案都不正确
【单选题】
当起落架控制手柄置位于收上(UP)位时___
A. A.液压系统首先作动打开起落架下锁机构
B. B.LGCIU控制液压切断valve打开
C. C.两个LGCIU进行控制转换
D. D.以上答案都不正确
【单选题】
下列关于起落架上锁机构叙述正确的是___
A. A.其是由液压开锁,液压锁定的
B. B.其是由液压开锁,机械锁定的
C. C.其是由机械开锁,液压锁定的
D. D.其是由机械开锁,机械锁定的
【单选题】
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】
RWYTURN-0FF(跑道转弯)电门在0N位,何时该灯点亮?___
A. A.前起落架收回时
B. B.前起落架放下锁好时
C. C.一直点亮
D. D.三个起落架都放下收上
【单选题】
当驾驶舱里EMEREXITLT电门放在ARM位时,以下说法不正确的是:___
A. A.ACBUS1断电,客舱应急灯及EXIT符号点亮
B. B.座舱失去压力后,客舱应急灯及EXIT符号点亮
C. C.28VDCESSSHEDBUS断电,临近地板应急撤离标记灯点亮
D. D.NOSMOKE电门置于ON位,EXITsigns点亮
【单选题】
644.哪些灯是由应急供电组件供电的?___
A. A除了驾驶舱照明灯和洗手间辅助灯以外的所有应急灯
B. B只有地板接近灯
C. C只有逃生滑梯和翼上出口灯
D.
【单选题】
何时出口标志(EXITsigns)点亮?___
A. A.座舱高度过高
B. B.禁止吸烟标志点亮时
C. C.应急灯点亮时
D. D.以上都对
【单选题】
何时整个应急照明系统由EPSU内的电瓶供电。___
A. A.当驾驶舱里EMEREXITLT电门放在0N位
B. B.当FAP里EMERLIGHT按钮按压后
C. C.当驾驶舱里EMEREXITLT电门放在ARM位且28VACESSBUS断电DCESSBUS断电
D. D.当驾驶舱里EMEREXITLT电门放在ARM位且115VACBUS1断电
【单选题】
旅客阅读灯的测试通过什么完成?___
A. A.FAP(前乘务员面板)
B. B.PTP(编程测试面板)
C. C.CFDS(中央故障显示系统)
D. D.PTP或CFDS
【单选题】
以下哪种情况下,仅驾驶舱里F/O(副驾驶侧)的舱顶灯点亮___
A. A.仅接通BAT1电门
B. B.仅接通BAT2电门
C. C.仅接通BAT1和BAT2电门
D. D.以上都不对
【单选题】
应急照明系统的EPSU共有多少个。___
A. A.4.
B. B.5.
C. C.6.
D. D.7.
【单选题】
应急照明系统的系统测试在哪完成?___
A. A.FAP
B. B.PTP
C. C.EPSU
D. D.CFDS
【单选题】
正常情况下,离开飞机,给飞机断电前,驾驶舱EMEREXITLT选择器电门应置于___
A. A.OFF
B. B.ARM(预位)
C. C.ON
D. D.任一位置
【单选题】
在FAP面板上将MAIN0FF按钮按压后,以下说法不正确的是___
A. A.按压MAIN0N按钮后,入口灯及客舱灯处于全亮
B. B.按压入口area的DIM2按钮后,按压LAV按钮会点亮所有厕所灯
C. C.按压入口area的DIM1按钮后,按压READ按钮会点亮所有客舱阅读灯
D. D.按压WDO按钮后,相应客舱窗户灯不会点亮
【单选题】
WhenistheEmergencyLightingsystemsuppliedbytheEPSUsintegratedbatteries?___
A. A.WhentheEMEREXITLTselectorisintheONposition
B. B.WhentheEMERLIGHTpushbuttonontheFAPispressedandthe28VDCESSBUSislost
C. C.WhentheMainLightingSystemhasfailed
D.
【单选题】
WiththeRWYTURN-OFFswitchsettoON,whenaretherunwayturnofflightson?___
A. A.Whenthenoselandinggearisretracted
B. B.Whenthenoselandinggearisdownlocked
C. C.Always
D. D.Never
【单选题】
315.(A320)下列哪个厕所当厕所门关上锁好后,在驾驶舱也会有相应的厕所有人信号灯指示.___
A. A.A厕所
B. B.B厕所
C. C.C.D厕所
D. D.E厕所
【单选题】
316.(A320)在驾驶舱头顶板上把电子舱灯控制电门放AUTO位,下列哪种说法是正确的:___
A. A.飞机在地面时电子舱的灯自动亮.
B. B.飞机在地面时电子舱的灯自动灭
C. C.打开电子舱门时电子舱内的灯自动亮.
D. D.电子舱门关上时的灯是亮的
【单选题】
317.(A320)正常情况下,离开飞机,给飞机断电前,驾驶舱EMEREXITLT选择器电门应置于___
A. A.OFF
B. B.B.ARM(预位)
C. C.C.ON
D. D.任一位置
【单选题】
318.(A320)当一个灯电门被按进,但灯不亮,则:___
A. A.A.系统正常工作
B. B.B.系统故障
C. C.C.系统没接通
D. D.D.以上情况都有可能
【单选题】
319.(A320)请勿吸烟,系好安全带,回到座位及出口灯何时亮?___
A. A.A适当接通开关及/或探测到过高的座舱高度
B. B.适当关闭开关及/或探测到过高的座舱高度
C. C.A,B都不完全对
D. D.DAB上面两项都对
【单选题】
320.(A320)以下哪一组全是外部灯光:___
A. A.门出口滑梯灯、货舱灯、滑行灯、航行灯
B. B.B.转弯灯、大翼照明灯、防撞灯、航行灯
C. C.C.轮舱灯、滑行灯、频闪灯、标志灯
D. D.D.舱顶灯、货舱灯、防冰灯、滑行灯
【单选题】
322.(A320)飞机的防撞灯能够频繁闪烁是因为:___
A. A.控制部件中有改变灯光供电电压的变压器
B. B.控制部件中有改变灯光供电电流变流器
C. C.控制部件中有内部集成了定时器和脉冲发生器的电源组件
D. D.控制部件中有防撞灯控制继电器
【单选题】
602.(A320)哪些灯是可以由应急供电组件供电的?___
A. A.除了驾驶舱应急照明灯和洗手间辅助灯以外的所有属于应急灯光系统的灯。
B. B.只有地板接近灯。
C. C.C只有逃生滑梯和翼上出口灯。
D. D.D除了驾驶舱应急照明灯外的所有属于应急灯光系统的灯
【单选题】
603.(A320)应急电源供给组件供给应急灯的电源能提供最少多少分钟的电源___
A. A.A,5分钟
B. B.B,12分钟
C. C.C,30分钟
D. D.D,45分钟
【单选题】
604.(A320)应急照明系统的应急供电组件有两种,EPSU及PSU。它们共有多少个___
A. A.A.4.
B. B.5.
C. C.C.6.
D. D.D.7
【单选题】
605.(A320)在FAP面板上将MAIN0FF按钮按压后,以下说法不正确的是:___
A. A.按压MAIN0N按钮后,入口灯及客舱灯处于全亮
B. B.按压ENTRYAREA的BRT按钮后,按压LAV按钮会点亮所有厕所灯
C. C.按压客舱area的DIM1按钮后,按压ATTN按钮会点亮所有客舱乘务员工作灯
D. D.按压WDO按钮后,相应客舱窗户灯点亮
【单选题】
781.(A320)RWYTURN-0FF(跑道转弯)电门在0N位,何时该灯点亮?___
A. A.前起落架收回时
B. B.前起落架放下锁好时
C. C.一直点亮
D. D..三个起落架都放下收上
【单选题】
782.(A320)当NOSMOKING控制电门在ON位时,EXIT出口信号灯会:___
A. A.灭
B. B.B.亮
C. C.C.暗亮
D. D.D.闪亮
【单选题】
783.(A320)当RUNTURN-OFF灯的开关接通,以下那种情况灯会熄灭:___
A. A.A,当前起落架收进后
B. B.B,当前起落架放下锁好
C. C.C,除非开关OFF位,否则总时亮的
D. D.D,以上答案均不对
【单选题】
784.(A320)何时整个应急照明系统由EPSU内的电瓶供电___
A. A.A.当驾驶舱里MEMER.EXIT.LTN选择器放在”0N”位.
B. B.B.当FAP里”EMERLIGHT”按钮按压后.
C. C.C.当驾驶舱里”EMEREXITLT”选择器放在”ARM”位且28VACESSBUS1断电ESSBUS断电.
D. D.D.当驾驶舱里”EMEREXITLT”选择器放在”ARM”位且115VACBUS1断电.
【单选题】
785.(A320)如果前左登机门area照明灯处于明亮状态,将发动机运转且驾驶舱门打开,则照明灯会自动转换到:___
A. A.A,明亮
B. B.B,闪烁
C. C.C,DIM2亮度
D. D.D,熄灭
【单选题】
924.(A320)飞机电源系统正常的情况下,将驾驶舱应急灯开关放在ON位,则供给应急灯的电源是:___
A. A.A,应急灯由28VDCESSentialBus提供电源
B. B.B,由应急灯由EPSUs提供电源
C. C.C,应急灯由28VDCESSentialBus和EPSUs轮流提供电源
D. D.D,应急灯由28VDCESSentialBus和EPSUs一起提供电源
【单选题】
981.(A320)在飞机没有提供外部电源时,按压外电源面板108VU上的灯光测试电门可以对该面板上的哪两个警告灯进行测试:___
A. A.A,ADIRU,AVIONICSVENT
B. B.B,EXTPWR/NOTINUSE,APUFIRE
C. C.C,ADIRU,APUFIRE
D. D.D,AVIONICSVENT,COCKPITCAL
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