【单选题】
What is an example of social engineering？___
A. gaining access to a computer by observing the user login credentials
B. gaining access to a build through an unguarded entrance
C. gaining access to a server by using a USB stick
D. gaining access to a server room by posing as local IT
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相关试题
【单选题】
Which type of Layer 2 attack enables the attacker to intercept traffic that is intended for one specific recipient？___
A. BPDU attack
B. DHCP starvation I LAB
C. MAC address spoofing
D. CAM table overflow
【单选题】
Which about nested policy maps in a zone-based firewall is true ?___
A. They are limited to two leve ls in a hierarchical policy
B. Parent policies are previously defined policies that are defined by using the service policy command
C. A child policy is a new policy that uses a pre-existing policy.
D. A child policy is a new that uses a pre-existing policy
【单选题】
In which configuration do you configure the ip ospf authentication key 1 command？___
A. routing process
B. interface
C. privileged
D. global
【单选题】
Which statement about command authorization and security contexts is true？___
A. If command authorization is configured， it must be enabled on all contexts.
B. The change to command invokes a new context session with the credentials of the currently
C. AAA settings are applied on a per-context basis
D. The enable. 15 user ang admins with chang to permission ha e dfferent command authorization levels pertontext
【单选题】
Which command do you enter to enable authentication for OSPF on an interface？___
A. router（config-if）#ip ospf message-digest-key 1 md5 CIS COPASS
B. router（config-if）#ip ospf authentication message-digest
C. router（config-if）#ip ospf authentication-key CISCOPASS
D. router（config-if）#area 0 authentication message-digest
【单选题】
What feature defines a campus area network？___
A. It has a single geographic location
B. It lacks external connectivity.
C. It has a limited number of segments.
D. It has limited or restricted Internet access
【单选题】
Which type of attack most commonly involves a direct attack on a network？___
A. :phishing
B. Trojan horse
C. denial of service
D. social engineering
【单选题】
What information does the key length provide in an encryption algorithm?___
A. the cipher block size
B. the hash bloc k size
C. the number of permutations
D. the packet size
【单选题】
How do you verify TaCACS+ connectivity to a device？___
A. You successfully log in to the device by using the local credentials
B. You connect via console port and receive the login prompt.
C. You connect to the device using SSH and receive the login prompt.
D. You successfully log in to the device by using ACS credentials
【单选题】
Which term best describes the concept of preventing the modification of data in transit and in storage？___
A. availability
B. confidentially
C. fidelity
D. integrity
【单选题】
Which loS command is used to define the authentication key for ntp？___
A. switch（config ）#ntp authentication-key 1 mds Clcs
B. switch（config ）#ntp authenticate
C. switch（config）#ntp trusted-key 1
D. switch（config）#ntp source 192.168.0.1
【单选题】
What is true about the cisco lOS Resilient Configuration feature ?___
A. The feature can be disabled through a remote session
B. There is additional space required to secure the primary cisco lOS image file.
C. The feature automatically detects image or configuration version mismatch.
D. Remote storage is used for securing files
【单选题】
When is the default deny all policy an exception in zone-based firewalls？___
A. when traffic terminates on the router via the self zone
B. when traffic traverses two interfaces in different zones
C. when traffic traverses two interfaces in the same zone
D. when traffic sources from the router via the self zone
【单选题】
.If an access port is assigned as an isolated port in a PVLAN， which network ports can it communicate with？___
A. promiscuous ports in the same PLVAN
B. isolated ports in the same PVLAN
C. all ports in the same PAVLAN at ILAR
D. all ports in the adjacent PVLAN
【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
【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？___
【单选题】
What is the actual los privilege level of User Exec mode？___
【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
推荐试题
【单选题】
GLC继电器的开关受谁控制？___
A. GCU
B. SVR
C. PRR
D. GCR
【单选题】
当TR2失效的时候，直流重要汇流条通过什么部件获得电源？___
A. ESS-TR
B. 直流电瓶汇流条
C. 2号电瓶
D. 1号电瓶
【单选题】
下列哪个工作不能从勤务汇流条中获得电源？___
A. 开关货舱门
B. APU舱门的照明
C. 应急灯光
D. 电子舱的照明
【单选题】
下列哪个不是BCL的作用？___
A. 辅助APU启动
B. 阻止电瓶完全放电
C. 保护直流供电网络
D. 控制电瓶的充电
【单选题】
在正常情况下ACBUS1向ACESSBUS及ACSHEDESSBUS提供电源。当ACBUS1失去电源后，可以通过（）继续向ACESSBUS和ACSHEDESSBUS供电。___
A. 电源控制系统将自动接通ACBUS2
B. 人工按压驾驶舱头顶电源面板上的“ACESSFEED”电门，接通ACBUS2电源
C. 静变流机将自动工作
D. TR（变压整流器）将自动工作
【单选题】
当直流电网中，如果TR1、TR2单独或同时发生故障，此时（）将向部分直流电网供电。___
A. BAT1（1号电瓶）
B. BAT2（2号电瓶）
C. 静变流机
D. ESSTR（）
【单选题】
飞机电瓶的主参数是通过（）在（）显示。___
A. 相应的BCL（电瓶充电限制器）；下ECAM显示器上的ELEC页面
B. 相应的BCL（电瓶充电限制器）；上ECAM显示器上的ELEC页面
C. 相应的GCU；下ECAM显示器上的ELEC页面
D. 相应的GCU；上ECAM显示器上的ELEC页面
【单选题】
电源系统中IDG（整体驱动发电机）通过（）从（）获得足够的转速。___
A. 附件齿轮箱；发动机的LP转子
B. 恒速装置；发动机的LP转子
C. 附件齿轮箱；发动机的HP转子
D. 恒速装置；发动机的HP转子
【单选题】
外电源系统中（）检测电源质量处于良好状态后，系统发出信号去：___
A. GPCU；燃亮驾驶舱头顶板外电源面板“EXTPWR”电门上“AVAIL”标示及外电源插座托架“EXTPWR/AVAIL”琥珀色灯
B. GCU1；燃亮驾驶舱头顶板外电源面板“EXTPWR”电门上“AVAIL”标示及外电源插座托架“EXTPWR/AVAIL”琥珀色
C. GPCU；燃亮驾驶舱头顶板外电源面板“EXTPWR”电门上“AVAIL”标示及外电源插座托架“EXT/PWRNOTINUSE”白色灯
D. GCU1；燃亮驾驶舱头顶板外电源面板“EXTPWR”电门上“AVAIL”标示及外电源插座托架“EXTPWR/AVAIL”琥珀色
【单选题】
当工作人员在进行维护作业的过程中，断开驾驶舱后跳开关面板上的某个跳开关，稍后在ECAM显示器上出现相关跳开关的信息，这说明该跳开关：___
A. 被脱开跳开关所对应的系统探测到跳开关被断开，并通过相关系统在ECAM上显示
B. 系统维护作业程序中正常出现的现象，属于正常信息
C. 被脱开的电路跳开关包含有连接到SDAC的辅助线路
D. 被脱开的电路跳开关包含有连接到CFDS的辅助线路
【单选题】
在正常情况下ACBUS1向ACESSBUS及ACSHEDESSBUS提供电源。当飞机在失去ACBUS1和ACBUS2电源的紧急情况下，（）将继续向ACESSBUS和ACSHEDESSBUS供电。___
A. 静变流自动工作
B. TR（变压整流器）将自动工作
C. 不论RAT状况如何，CSM/G（应急马达发电机）将自动工作
D. 当RAT提供的液压动力可用的情况下，CSM/G（应急马达发电机）将自动工作
【单选题】
0在地面维护过程中，工作人员发现主发电机按钮电门上的“FAULT”灯会燃亮，这说明：1）相应发电机按钮电门被松开；2）电路中的GLC（发电机电路接触器）受到GCU控制而脱开IDG与电网的连接；3）系统探测到故障的发生，GCU控制GLC脱开IDG与电网的连接___
A. 1）、2）
B. 1）、3）
C. 2）、3）
D. 1）、2）、3）
【单选题】
电源系统中，BCL（电瓶充电限制器）的BITE测试及维护测试是通过（）来实现的。___
A. 在控制器面板上的测试界面
B. CFDS（中央故障显示系统）
C. 在控制器面板上的测试界面，或者CFDS（中央故障显示系统）
D. 在下ECAM显示器的ELEC页面
【单选题】
驾驶舱活动窗可打开于：___
A. A机内
B. B机外
C. C机内和机外
D. D只能在地面打开
【单选题】
A320飞机总共有几个应急滑梯？___
A. A．4个
B. B．6个
C. C．8个
D. D．10个
【单选题】
增强型驾驶舱舱门：___
A. A只能向驾驶舱开
B. B只能向客舱开
C. C正常向驾驶舱开，可用力向客舱开
D. D正常向客舱开，可用力向驾驶舱开
【单选题】
如滑梯不能自动充气：___
A. A它就不能被充气
B. B可以人工充气
C. C可用做手持救生滑梯
D. D以上B+C
【单选题】
滑梯不能自动充气怎么办？___
A. A此门不能用，旅客只能到另一出口
B. B可人工拉出红色的手柄充气
C. C将滑梯作为手持滑梯
D. D使用机上存放的气泵人工充气
【单选题】
驾驶舱中由几根撤离绳？___
A. A两根，每侧活动窗各一根，可用于左或右侧
B. B两根，只能用于对应的活动窗
C. C两名机组成员共三根，多余的一根用于特别高大的人
D. D四根，每个座位一根
【单选题】
Whichdevicehastobeunlockedbeforeclosingtheslidingwindow?___
A. A.Alockingpinontheslidingwindowframe
B. B.Theslidingwindowoperatinghandle
C. C.None
D.
【单选题】
Wherearepassengeroxygenmasksstored?___
A. A.InthePassengerServiceUnit
B. B.Intheseatarmrest
C. C.Intheoverheadstowagecompartment
D.
【单选题】
WhereistheinflationreservoiroftheescapeslideofA320emergencyexitlocated?___
A. A.Inacontaineratthebottomofthedoor
B. B.Inthecargocompartment
C. C.Intheoverheadstowagecompartmentoverthedoor
D.
【单选题】
Smokehoodsaresuppliedforthecabinattendantsto:___
A. A.supplyoxygenforpassengers
B. B.fightafireoragainstemissionofsmokeornoxiousgases
C. C.breatheoxygen
D.
【单选题】
A319飞机应急门如何解除预位？___
A. A．从外部开门自动解除预位
B. B．与客舱门滑梯解除预位的方法一样
C. C．逆时针转动90度，使锁销收回
D. D．顺时针转动90度，使锁销收回
【单选题】
A321紧急出口门的滑梯位于：___
A. A.机身中段机翼上方
B. B.后货舱
C. C.紧急出口门的下方
D. D.门本体上
【单选题】
A320系列飞机紧急出口滑梯的充气是由谁完成？___
A. A.滑梯气瓶的气体
B. B.飞机气源引气
C. C.人工吹气
D. D.滑梯气瓶的气体和外界大气
【单选题】
A319/320/321飞机应急设备位于___
【单选题】
A319/320/321飞机有几个货舱___
【单选题】
拆装滑梯有哪些安全销必须安装？___
A. 运输销和应急气瓶安全销
B. 运输销和应急手柄安全销
C. 应急气瓶安全销和应急手柄安全销
D.
【单选题】
撤离信号命令按钮开关位于何处？___
A. 在驾驶舱中及靠近各旅客舱门处
B. 只在驾驶舱顶板上
C. 在顶板上和乘务长面板上
D.
【单选题】
当乘务长撤离面板上的命令按钮按下时，是否起动警告？___
A. 是的，任何时候
B. 是的，只在地面
C. 是的，如果驾驶舱撤离开关放"机长和乘务长"位
D. 是的，它超控其它所有信号
【单选题】
货舱内的快速释压板位于___
A. 在天花板上
B. 在侧墙固定部分
C. 在天花板和侧墙可拆板上
D.
【单选题】
货舱装载系统的PDU由什么供电___
A. 26VAC
B. 28VAC
C. 115VAC
D.
【单选题】
机长和副驾座椅提供几个方向的手动调节？___
【单选题】
驾驶舱舱门：___
A. 只能向驾驶舱开
B. 只能向客舱开
C. 正常向驾驶舱开，可用力向驾驶舱，客舱开
D.
【单选题】
哪个组件允许进行座舱形态改变？___
A. AM（座舱校准模件）。
B. OBRM（机载可更换模件）。
C. EU（解码器/编码器）。
D.
【单选题】
前舱乘务员的撤离命令：___
A. 只有在驾驶舱开关位于"机长和乘务员"位时才能被起动
B. 可在任何时候起动
C. 只能在地面起动
D. 超控其它所有信号
【单选题】
如果货舱有装载系统,可装几个ULD___
【单选题】
释压板提供的保护有哪些？___
A. 客舱释压
B. 货舱释压
C. 客舱和货舱释压
D.
【单选题】
在登机口，舱门窗下红灯闪烁，表示：___
A. 滑梯预位且发动机工作
B. 发动机停车，滑梯解除预位且客舱增压
C. 发动机工作，滑梯解除预位
D.
