【单选题】
Which description of the use of a private key is true ？___
A. The sender signs a message using the receivers private key
B. The sender signs a message using their private key
C. The sender encrypts a message using the receivers private key
D. The receiver decrypts a n15ssage using the sender's private key
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相关试题
【单选题】
Which mechanism does the FireAMP Connector use to avoid conflicts with other security applications such as antivirus products ?___
A. Virtualization
B. Containers
C. Sandboxing
D.
E. xclusions
【单选题】
Which network to pology de scribes multiple LANS in a gec? ___
A. SOHO
B. MAN
C. pan
D. CAN
【单选题】
Which statement represents a difference between an access list on an aSa versus an access list on a router？___
A. The asa does not support number access lists
B. The aSa does not support standard access list
C. The asa does not ever use a wildcard mask
D. The asa does not support extended access lists
【单选题】
Which command do you enter to verify the status and settings of an iKE Phase 1 tunnel？___
A. show crypto ipsec as output
B. show crypto isakmp
C. show crypto isakmp policy
D. show crypto ipsec transform
【单选题】
Which feature can help a router or switch maintain packet forwarding and protocol states despite an attack or heavy traffic load on the router or switch？___
A. service Policy
B. Control Plane Policing
C. Policy Map
D. Cisco
E. xpress
F. orwarding
【单选题】
Which STP feature can prevent an attacker from becoming the root bridge by immediately shutting down the interface when it receives a BPDU？___
A. root guard
B. Port Fast
C. BPDU guard
D. BPDU filtering
【单选题】
Which technology can best protect data at rest on a user system？___
A. full-disk encryption
B. IPsec tunnel
C. router ACL
D. network IPS
【多选题】
Which two primary security concerns can you mitigate with a BYOD solution ？___
A. schedule for patching the device
B. securing access to a trusted corporate network
C. compliance with applicable policies
D. connections to public Wi-Fi networks
E. device tagging and invento
【多选题】
choose five___
A. MD5————————inserure
B. DES————————insercure
C. SDES———————legacy
D. SHA-1———————legacy
E. HMAC-MD5—————legacy
【多选题】
Which two characteristics of symmetric encryption are true？___
A. It uses digital certificates
B. It requires more resources than asymmetric ancryption
C. It uses the same key to enctypt and decrupt traffic
D. It uses a public key and a pricate key to encrypt and decrypt traffic.
E. It is faster than asymmetric encryption
【多选题】
which two characteristics of PVLAN are true？___
A. Promiscuous porta can communicate with PVLAN ports.
B. Isolated ports cannot communicate with other ports on the same VLAN
C. Community ports have to be a part of the trunk.
D. They require VTP to be enabled in server mode
E. PVLAN ports can be configured as Ether Channel ports
【多选题】
What are two options for running Cisco SDM?___
A. Running SDM from a mobile device
B. Running SDM from within CiscoWorks
C. Running SDM from a router's flash
D. Running SDM from the Cisco web porta
E. Running SDM from a PC
【多选题】
Which two options are the primary deployment modeles for mobile device management？___
A. multisite
B. cloud-based
C. on premises
D. hybrid cloud basedo
E. single site
【多选题】
Drag the recommendation on the left to the Cryptographic algorithms on the right， Options will be used more than once.___
A. Avoid——————————————DES，MD5
B. Legacy——————————————SDES，SHA1，HMAC-MD5
【多选题】
Which two are valid types of vLans using PVLANS ?___
A. Community VLAN
B. Backup VLAN
C. Secondary VLAN
D. Isolated VLAN
E. Isolated VLAN
【多选题】
Which two commands are used to implement Resilient lOS Configuration ___
A. Secure boot-config
B. copy running-config tftp
C. copy flash:ios bin tftp
D. copy running-config startup-config
E. secure boot-image
【多选题】
Which two types of firewalls work at layer 4 and above ？___
A. Stateful inspection
B. Network Address Translation
C. Circuit-Level gateway
D. Static packet filter
E. Application Level firewall
【多选题】
Which two default settings for port security are true ？___
A. Violation is Protect
B. Violation is Restrict
C. Violation is Shutdown
D. Maximum number of MAC addresses is 2
E. Maximum number of MAC addresses is 1
【多选题】
Which two are characteristics of RADIUS？___
A. Uses UDP ports 1812 /1813
B. Uses TCP port 49
C. Uses UDP port 49
D.
E. ncrypts only the password between user and server
【多选题】
When setting up a site-to-site VPN with PSK authentication on a Cisco router， which two elements must be configured under crypto map？___
A. pfs
B. nat
C. reverse route
D. peer
E. transform-set
【多选题】
When using the Adaptive Security Device Manager（ASDM), which two options are available to add a new root certificate？___
A. Install from SFTP server
B. Usehttps
C. Install from a file
D. Use LDAP
E. Use SCEP
【多选题】
Which two SNMPv3 services support its capabilities as a secure networ k manage protocol？ ___
A. access control
B. the shared secret key
C. authentication
D. authorization
E. accounting
【多选题】
Which two statements about routed firewall mode are true ？___
A. The firewall acts as a routed hop in the network
B. This mode conceals the presence of the firewall
C. The firewall requires a unique iP address for each interface
D. This mode allows the firewall to be added to an existing networ k with minimal additional configuration By default， this mode permits most traffic to pass throug
【多选题】
Which two statements describe DHCP spoofing attacks？___
A. They are used to perform man-in- the-middle attacks
B. They can access most network devices
C. They can modify the flow of traffic in transit. LNGKAIG
D. They protect the identity of ti attacker by masking the DHCP address
E. They can physically modify the network gateway
【多选题】
Which two types of VLANs using PVLANs are valid？___
A. isolated
B. promiscuous
C. backup
D. secondary
E. community
【多选题】
What are two limitations of the self-zone policies on a zone-based firewall？___
A. They are unable to block Https traffic
B. They restrict SNMP traffic.
C. They are unable to support Https traffic
D. They are unable to implement application inspection
E. They are unable to perform rate limiting
【多选题】
Which two descriptions of TACACS+ are true？ ___
A. The TACACS+ header is unencrypted
B. It combines a uthentication and authorization
C. It uses TCP as its transport protocol
D. Only the password is encrypted.
E. It uses UDP as its transport protocol.
【多选题】
Which two actions does an IPS perform？ ___
A. it spans the traffic
B. it reflects the traffic back to the sender
C. it encrypts the traffic
D. it terminates the user session or connection of the attacker
E. it reconfigures a device to block the traffic
【多选题】
In which form of fraud does an attacker try to learn information such as login credenti account information by ma squerading as a reputable entity or person in email， IM or communication channels ?___
A. phishing
B. Smurfit
C. Hacking
D. Identity Spoofing
【多选题】
Which two ESA services are available for incoming and outgoing mails ？___
A. anti-DoS
B. reputation filter
C. antispam
D. content filter
E. DLP
【多选题】
What are two reasons to recommend SNMPv 3 over SNMPv2？___
A. SNMPv3 is secure because you can configure authe ntication and privacy
B. SNMPv3 is insecure because it send in formation in clear text
C. SNMPv2 is insecure because it send information in clear text
D. SNMPv3 is a Cisco proprietary protocol
E. SNMPv2 is secure because you can configure authentication and privacy
【多选题】
Which two actions can a zone- based firewall apply to a packet as it transits a zone pair？___
A. drop
B. inspect
C. queue
D. quarantine
【单选题】
Which security principle has been violated if data is altered in an unauthorized manner？___
A. accountability
B. confidentiality
C. availability
D. integrity
【单选题】
Which IKE Phase 1 parameter can you use to require the site-to-site VPN to use a pre-shared ？___
A. encryption
B. authentication
C. group
【单选题】
Which command successfully creates an administrative user with a password of "cisco"on a Cisco router?___
A. username Operator privilege 7 password cisco
B. username Operator privilege 1 password cisco
C. username Operator privilege 15 password cisco
D. username Operator password cisco privilege 15
【单选题】
Which EAP method authenticates a client against Active Directory without the use of client-side 802.1X certificates？___
A. EAP-TLS
B. EAP-MSCHAPv2
C. EAP-PEAP
D.
E. AP-GTC
【单选题】
What is a limitation of network-based IPS？___
A. It must be in dividually configured to support every operating system on the network.
B. It is most effective at the in dividual host level
C. It is unable to monitor attacks across the entire netw ork
D. Large installations require numerous sensors to fully protect the network
【单选题】
When would you configure the ip dhcp snooping trust command on a sw itch？___
A. when the switch is connected to a DHCP server
B. when the switch is working in an edge capacit
C. when the switch is connected to a client system
D. when the switch is serving as an aggregator
【单选题】
How does the 802. 1x supplicant communicate with the authentication server？___
A. The supplicant creates EAP packets and sends them to the authenticator, which encapsulates them into RADIUS and forwards them to the authentication server.
B. The supplicant creates RADIUS packets and sends them to the authe nticator, which encapsulates the m into EAP and forwards them to the a uthentication server.
C. The supplicant creates RADIUS packets and sends them to the authenticator, which translates them into eap and forwards them to the a ut hentication server
D. The supplicant creates
E. AP packets and sends them to the authe nticator, which translates them into radius and forwards them to the authentication server.
【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
推荐试题
【单选题】
233.(A320)黄系统包括：___
A. A.一个发动机泵，一个电动泵，一个手摇泵
B. B.一个发动机泵，两个电动泵
C. C.一个发动机泵，一个手摇泵和冲压空气涡轮
D. D.一个发动机泵，一个电动泵，一个空气驱动泵
【单选题】
234.(A320)黄系统操纵：___
A. A.反推1
B. B.反推2
C. C.上述两者
D.
【单选题】
235.(A320)黄系统供压给：___
A. A.左和右升降舵
B. B.仅仅左升降舵
C. C.B仅仅右升降舵
D. D.以上都不对
【单选题】
236.(A320)黄系统供压给：___
A. A.襟翼
B. B.襟翼和缝翼
C. C.缝翼
D. D.以上都不对
【单选题】
237.(A320)黄系统可由谁增压？___
A. A.1号发动机液压泵
B. B.2号发动机液压泵，或黄电动泵，或动力转换组件
C. C.2号发动机液压泵，或黄电动泵，或冲压空气涡轮
D. D.黄系统空气驱动泵
【单选题】
238.(A320)黄系统面板内的手摇泵用于:___
A. A.增压油箱
B. B.操纵舵面
C. C.操作货舱门
D. D.给油箱加油
【单选题】
239.(A320)火警关断valve何时关闭：___
A. A.主电门置OFF位时
B. B.火警按钮按出时
C. C.如果探测到火警，自动关闭
D. D.任何时候都不能关闭
【单选题】
240.(A320)驾驶舱没有接通电源时能否操作货舱门：___
A. A.能，只要接通勤务电源
B. B.不能
C. C.如电瓶有电，可由热汇流条供电
D. D.可以用摇把人工转动开关
【单选题】
241.(A320)减载功能储压器为哪些部件供压？___
A. A.所有液压部件
B. B.减载功能舵面
C. C.缝翼/襟翼
D. D.升降舵
【单选题】
242.(A320)壳体回油滤的作用___
A. A.壳体回油到油箱前除去油液中的杂质
B. B.检查液压泵的状况
C. C.A和B
D. D.以上说法都不对
【单选题】
243.(A320)可否在空中收回冲压涡轮?___
【单选题】
244.(A320)蓝系统电动泵什么时候工作？___
A. A.只需一台大发工作
B. B.只需蓝系统超控电门ON位。
C. C.蓝系统电动泵AUTO位，APU供电且前起减震支柱未压缩。
D. D.蓝系统超控电门ON位且一台大发工作。
【单选题】
245.(A320)蓝系统供压给：___
A. A.襟翼
B. B.缝翼
C. C.襟翼和缝翼
D. D.以上都不对
【单选题】
246.(A320)绿系统操纵：___
A. A.扰流板3
B. B.扰流板2和4
C. C.扰流板1和5
D. D.扰流板2和3
【单选题】
247.(A320)绿系统操纵：___
A. A.反推1
B. B.反推2
C. C.上述两者
D.
【单选题】
248.(A320)哪些液压系统由发动机驱动泵供压？___
A. A.蓝系统和绿系统
B. B.蓝系统和黄系统
C. C.蓝系统，绿系统和黄系统
D. D.绿系统和黄系统
【单选题】
249.(A320)能否在绿系统和黄系统之间交换液压油：___
A. A.不能
B. B.能，通过动力转换组件
C. C.能，通过反推系统
D. D.能，通过刹车系统
【单选题】
250.(A320)如果蓝电动泵故障，当冲压空气涡轮人工接通按钮按下时：___
A. A.蓝液压系统由冲压空气涡轮增压
B. B.应急发电机供电
C. C.蓝液压系统增压且应急发电机工作
D. D.动力转换组件(PTU)向蓝系统供压
【单选题】
251.(A320)如果失去黄系统，缝翼操纵：___
A. A.正常
B. B.变慢
C. C.失去
D.
【单选题】
253.(A320)如果失去绿系统，襟翼操作：___
A. A.变慢
B. B.正常
C. C.失去
D.
【单选题】
548.(A320)在什么情况下，冲压空气涡轮自动放出：___
A. A.失去交流汇流条1和2且速度大于100节
B. B.蓝电动泵故障
C. C.只能人工放出
D. D.蓝泵供压低于1750PSI
【单选题】
734.(A320)黄系统供压给：___
A. A.左和右升降舵
B. B.仅仅左升降舵
C. C.仅仅右升降舵
D. D.以上都不对
【单选题】
890.(A320)地面蓝电动泵电门置AUTO位，蓝电动泵何时工作?___
A. A.一个电瓶置于AUTO时
B. B.地面电源接通时
C. C.一台发动机工作或蓝泵超控按钮按下时
D. D.此时已在工作
【单选题】
965.(A320)系统输出低压设定是___
A. A.1350
B. B.1400
C. C.1450
D. D.1500
【单选题】
966.(A320)以下那种故障会点亮红色主警告灯?___
A. A.绿系统EDP输出低压
B. B.黄系统油箱过热
C. C.RAT故障
D. D.绿和黄系统低压
【单选题】
967.(A320)LAF储压器提供压力至___?___
A. A.所有操纵面
B. B.LAF操纵面
C. C.襟/缝翼
D. D.副翼
【单选题】
968.(A320)假如飞机前顶点被顶起,此时飞机由APU提供电源,蓝系统电动泵电门在AUTO位,此时,泵是否会自动工作?___
【单选题】
储压器预充压力是：___
A. A．3000PSI
B. B．1885PSI
C. C．低于3000PSI的任意值
D. D．没有必要预充
【单选题】
液压油箱增压主要由哪里供气？___
A. A．左发
B. B．右发
C. C．APU
D. D．气源总管
【单选题】
液压系统PTU(动力传输组件)___
A. 可以在篮系统和绿系统之间互相传输
B. 可以在篮系统和黄系统之间互相传输
C. 可以在三个系统之间互相传输
D. 可以在篮系统和绿系统之间互相传输
【单选题】
RAT放出后给哪个系统增压？___
A. 黄系统
B. 篮系统
C. 绿系统
D. 黄和绿系统
【单选题】
在一发动机启动时，PTU___
A. 自动工作
B. 被抑制
C. 被测试
D. 以上都错
【单选题】
放出的冲压涡轮(RAT)什么时候可以被收起?___
A. 只能在地面时
B. 只能在空中时
C. 在地面和空中时都可以
D. 以上都不对
【单选题】
在空中RAT自动放出后___
A. 篮系统增压
B. 黄系统增压
C. 应急发电机工作
D. 以上A、C是正确的
【单选题】
能不能在黄系统和绿系统之间互相串油?___
A. 能，通过PTU
B. 能，通过刹车系统
C. 不能，因为液压系统时相互独立的系统
D. 以上都不正确
【单选题】
在地面篮系统的控制电门放置于自动位时___
A. 一通地面电源，篮系统增压
B. 篮系统操控电门设置到操控位时，篮系统增压
C. 一台发动机工作时，篮系统增压
D. 以上BC是正确的
【单选题】
RAT何时自动放出___
A. 汇流条1和2掉电时
B. 单发失效时
C. 只能人工放出
D. 以上AB是正确的
【单选题】
电控操作货舱门时___
A. 绿系统自动工作
B. 黄系统自动
C. 篮系统自动工作
D. 和液压系统无关
【单选题】
PTU设在自动为时，满足什么条件后自动工作？___
A. 篮系统失效时
B. 黄系统和篮系统之间压差大于500PSI时
C. 黄系统和绿系统之间压差大于500PSI时
D. 只要黄系统和绿系统之间有压差时
【单选题】
正常使用中，篮系统由什么来增压___
A. 左发动机驱动泵
B. 右发动机驱动泵
C. 电动泵
D. 冲压涡轮
