【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
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相关试题
【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
【单选题】
Refer to the exhibit. what is the e ffect of the given configuration？___
A. It enables authentication，
B. It prevents keychain authentication.
C. The two routers receive normal updates from one another.
D. The two device s are able to pass the message digest to one another.
【单选题】
Which command can you enter to configure OSPF to use hashing to authenticate routing updates？___
A. ip ospf aut hentication message-digest
B. neighbor 192 168.0 112 cost md5
C. ip ospf priority 1
D. ip ospf aut hentication-key
【单选题】
Which command can you enter to verify the status of Cisco lOS Resilient Configuration on a Cisco router?___
A. show secure bootset
B. secure boot-image
C. show binary file
D. ure boot-config
推荐试题
【单选题】
燃油系统有几个燃油控制和监控计算机（ＦＣＭＣ）来控制：___
【单选题】
最大燃油量是：___
A. 约70500kg
B. 约109000kg
C. 约138200kg
【单选题】
流向发动机的燃油可由低压燃油活门切断，低压燃油活门可由谁关闭：___
A. 发动机主电门或发动机火警按钮
B. 发动机主电门或水上迫降按钮
C. 发动机火警按钮或水上迫降按钮
【单选题】
交输供油活门使燃油能从任一侧供给任一发动机，电气应急形态中交输供油活门自动打开：___
【单选题】
放油系统空中放油时：___
A. 每分钟放约1000kg,不计燃油消耗
B. 每分钟放约３000kg,不计燃油消耗
C. 每分钟放约５00kg,不计燃油消耗
D. 每小时放约1000kg,不计燃油消耗
【单选题】
当认为已用燃油指示值有误时，显示数值上出现琥珀色横线：___
【单选题】
若ＦＭＧＣ探测到后重心，则重心值显示为：___
【单选题】
正常情况下，自动重心控制：___
A. 开始于爬升到ＦＬ２４５时，结束于下降到ＦＬ２５５时，或距离目的地的ＦＭＧＳ时间小于３５分钟
B. 开始于爬升到ＦＬ２５５时，结束于下降到ＦＬ２４５时，或距离目的地的ＦＭＧＳ时间小于３５分钟
C. 开始于爬升到ＦＬ２５５时，结束于下降到ＦＬ２４５时，或距离目的地的ＦＭＧＳ时间小于７５分钟
D. 开始于爬升到ＦＬ２４５时，结束于下降到ＦＬ２５５时，或距离目的地的ＦＭＧＳ时间小于７５分钟
【单选题】
每个内侧油箱都有集油槽，该集油槽内约存多少燃油：___
A. ５００ＫＧ
B. ８００ＫＧ
C. １０００ＫＧ
D. １２５０ＫＧ
【单选题】
加满油后，油箱仍有多少膨胀空间保证燃油不至于溢出：___
【单选题】
燃油系统有两部ＦＣＭＣ（燃油控制和监控计算机）控制，正常情况下：___
A. 两部ＦＣＭＣ同步协调工作
B. 两部ＦＣＭＣ各自独立工作
C. 一部ＦＣＭＣ工作，另一部备份
【单选题】
在电气紧急形态下，交输供油活门：___
【单选题】
在电气紧急形态下，所有的发电机和应急发电机均失效，仅剩电瓶供电的飞行中：___
A. 仅左２号油泵工作
B. 仅右２号油泵工作
C. 失去所有的正常和备用泵
【单选题】
每一内侧油箱油量减少到多少时，外侧油箱开始向内侧油箱传输燃油：___
A. ２０００ＫＧ
B. ３０００ＫＧ
C. ３５００ＫＧ
D. ４０００ＫＧ
【单选题】
自动燃油传输中，当中央油箱全空时：___
A. 两个中央油箱停止工作，两个内侧油泵入口活门关闭
B. 两个中央油箱停止工作，两个内侧油泵入口活门打开
C. 两个中央油箱继续工作，两个内侧油泵入口活门关闭
D. 两个中央油箱继续工作，两个内侧油泵入口活门打开
【单选题】
按压ＯＵＴ ＴＫ ＸＦＲ（外侧油箱传输）按钮后，后传输被抑制：___
【单选题】
按压ＣＴＲ ＴＡＮＫ ＸＦＲ（中央油箱传输）按钮后，后传输被抑制：___
【单选题】
空中ＦＣＭＣ计算飞机重心，并与后重心目标相比较，以确定前传输或后传输的燃油量。如果飞机全重为１６８吨，此时后重心目标为：___
A. ３８％
B. ３８.5%
C. 39%
D. 40%
【单选题】
空中当飞机重心达到后目标重心时,FCMC控制将配平油箱中的部分燃油向前传输,以使重心前移.该过程在飞机重心前移到多少时结束：___
A. 后目标重心-0.5%
B. 后目标重心-1.0%
C. 28%
【单选题】
飞行员是否可以通过燃油面板人工向调整油箱后传输燃油：___
【单选题】
内侧油箱燃油量减少到多少时,后燃油传输终止：___
A. 6250KG
B. 4000KG
C. 3500KG
D. 2000KG
【单选题】
若在后燃油传输过程中内侧油箱不平衡达到500KG：___
A. 后燃油传输被终止,交输燃油后门自动打开以平衡两侧燃油
B. 较轻一侧的传输将终止,相应的后传输活门自动关闭,直到燃油重新平衡
C. 后燃油传输将继续,没有任何变化
【单选题】
人工燃油前传输过程中,燃油从配平油箱传输到：___
【单选题】
当前APU泵失效时,后APU泵自动启动：___
【单选题】
当飞机高于FL255,调整油箱中有燃油且无后传输时,哪个油箱向APU供油：___
A. 1号发动机的集中箱
B. 中央油箱
C. 调整油箱
【单选题】
在燃油前传输过程中,APU供油来自哪里：___
A. 调整管道
B. 1号发动机的集中箱
C. 调整油箱
D. 中央油箱
【单选题】
额定压力(50PSI)下,同时使用机翼下的两个加油接口时,加满所有油箱大约需要：___
【单选题】
空中放油过程中：___
A. 所有主要和备用泵工作,交输供油活门打开
B. 所有主要和备用泵工作,交输供油活门关闭
C. 所有主要泵工作,备用泵不工作,交输供油活门打开
D. 所有主要和备用泵不工作,交输供油活门关闭
【单选题】
空中放油过程中,燃油自动前传输至中央油箱,但当缝翼放出,起落架放下时,该传输终止：___
【单选题】
加油控制面板上,END灯何时闪烁：___
A. 加油后不平衡超过3000KG
B. 高油面测试中探测到失效
C. 加油中断
D. 以上三项
【单选题】
上部ECAM显示中FOB(机上燃油指示)周围出现琥珀色半方框表示：___
A. 燃油量指示不精确
B. 部分燃油不能使用
C. 燃油量指示错误
【单选题】
上部ECAM显示中FOB(机上燃油指示)最后两位数字出现两条琥珀色横线表示：___
A. 燃油量指示不精确
B. 部分燃油不能使用
C. 燃油量指示错误
【单选题】
开车后如果加油面板没有盖上,则会出现：___
A. 一直保留绿色REFUEL IN PROCESS(正在加油)信息
B. 绿色REFUEL IN PROCESS(正在加油)信息变为琥珀色
C. REFUEL PNL(加油面板)琥珀色信息
D. REFUEL PNL(加油面板)绿色信息
【单选题】
如果交输供油活门打开(人工或自动),FUEL X FEED(燃油交输)是显示在ECAM备忘信息栏：___
【单选题】
放油活门打开时,ECAM备忘信息栏是否显示JETTISION信息：___
【单选题】
当油箱燃油泵按钮设在OFF位时,其失效灯：___
A. 被抑制
B. 在输出压力降低时亮
C. 以上A和B
【单选题】
油箱燃油泵按钮上的琥珀色失效灯何时燃亮：___
A. 输出压力下降时
B. 油泵未通电时
C. 无故障时按钮设在OFF位
【单选题】
重力供油的最大升限是：___
A. 起飞后30分钟内20000英尺,超过30分钟15000英尺
B. 起飞后45分钟内15000英尺,超过30分钟20000英尺
C. 20000英尺
D. 起飞后30分钟内15000英尺,超过30分钟20000英尺
