【单选题】
How can you mitigate attacks in which the attacker attaches more than one vLan tag to a packet？___
A. Assign an access VLAN to every active port on the switch
B. Disable Ether Channel on the switch
C. Explicitly identity each VLAN allowed across the trunk
D.
E. nable transparent VTP on the switch
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相关试题
【单选题】
Which technology can you implement to centrally mitigate potential threats when users on your network download files that might be malicious？___
A. Enable file-reputation services to inspect all files that traverse the company network and block files with low reputation scores
B. Verify that the compa ny IpS blocks all known malicious website
C. Verity that antivirus software is installed and up to date for all users on your network
D. Implement URL filtering on the perimeter firewall
【单选题】
What is the most common implementation of PaT in a standard networked environment？___
A. configuring multiple external hosts to join the self zo ne and to communicate with one another
B. configuring multiple internal hosts to communicate outside of the network using the outside interface IP address
C. configuring multiple internal hosts to communicate outside of the network by using the inside interface IP address
D. configuring an any any rule to enable external hosts to communicate inside the network
【单选题】
Which component of a bYod architecture provides aAa services for endpoint access ?___
A. Integrated Services Router
B. access point
C. ASA
D. Identity Services
E. ngine
【单选题】
You are configuring a NAT rule on a Cisco ASA ,Which description of a mapped interface is true?___
A. It is mandatory for all firewall modes
B. It is optional in routed mode
C. It is optional in transparent mode
D. It is mandatory for ide ntity NAT only
【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
【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
推荐试题
【单选题】
共有多少电动马达可用于控制安定面？___
【单选题】
如果ELAC1和ELAC2都不可用，俯仰操纵自动转换到：___
A. ASEC1或SEC2
B. BSEC1或SEC3
C. CSEC2或SEC3
D. DFAC
【单选题】
正常法则着陆时，当通过多少无线电高度时，飞行方式变为拉平方式？___
A. A50FT
B. B100FT
C. C175FT
D. D1500FT
【单选题】
在着陆时，当高度下降低于30英尺时，___
A. A姿态被储存
B. B姿态逐步减小到机头下俯2°
C. C姿态逐步减小到机头上仰2°
D. D姿态逐步减小到机头水平
【单选题】
被另一侧接管的侧杆如何变成从失效变为可用：___
A. A瞬时按压失效侧杆的接管按钮
B. B瞬时按压另一侧侧杆的接管按钮
C. C同时按压两个接管按钮
D. D以上A或B
【单选题】
按横滚正常法则，当坡度达到多少度时，坡度保护起动___
A. A>33°
B. B>45°
C. C>90°
D. D>180°
【单选题】
侧杆向前推时：___
A. A左副翼后缘向下偏转
B. B右副翼后缘向下偏转
C. C升降舵后缘向下偏转
D. D升降舵后缘向上偏转
【单选题】
侧杆向后拉时：___
A. A左副翼后缘向下偏转
B. B右副翼后缘向下偏转
C. C升降舵后缘向下偏转
D. D升降舵后缘向上偏转
【单选题】
操纵侧杆向左时：___
A. A左副翼后缘向上偏转
B. B右副翼后缘向上偏转
C. C升降舵后缘向下偏转
D. D升降舵后缘向上偏转
【单选题】
操纵侧杆向右时：___
A. A左副翼后缘向上偏转
B. B右副翼后缘向上偏转
C. C升降舵后缘向下偏转
D. D升降舵后缘向上偏转
【单选题】
只踩机长右边脚蹬时：___
A. A副驾驶脚蹬不动
B. B方向舵后缘向左偏转
C. C方向舵后缘向右偏转
D. D右翼2，3，4号扰流板打起
【单选题】
横滚正常法则提供对以下哪一项的操纵：___
A. A副翼+扰流板2到5+方向舵
B. B副翼+扰流板2到4
C. C副翼
D. D升降舵+THS
【单选题】
如果ELAC1和ELAC2都失效：___
A. A横滚操纵仅由副翼提供
B. B横滚操纵由副翼和扰流板提供
C. C横滚操纵仅由扰流板提供
D. D横滚操纵丧失
【单选题】
SFCC1故障时会发生什么情况：___
A. A什么也不发生
B. B襟翼和缝翼以半速工作
C. C襟翼系统失效
D. D缝翼系统失效
【单选题】
如果襟翼一个PCU故障，会发生什么情况：___
A. A什么也不发生
B. B襟翼以半速工作
C. C襟翼失效
D. D襟翼WTB作动
【单选题】
襟翼自动收上到形态1后，当速度降低时：___
A. A襟翼再次自动放出
B. B缝翼自动放出
C. C襟翼不会放出
D. D襟缝翼都放出
【单选题】
哪些操纵面用作地面减速板？___
A. A扰流板1到4
B. B所有扰流板
C. C扰流板1到3
D. D扰流板2到5
【单选题】
如果迎角超过8.6°或速度<148KTS，是否禁止将缝翼从1收到0：___
【单选题】
当两个侧杆同向或反向运动时:___
A. A两个飞行员的输入成代数叠加
B. B左侧杆优先
C. C操纵面的运动与最后偏转的侧杆成正比
D. D操纵面的运动与最先偏转的侧杆成正比
【单选题】
上ECAM页面上出现SLATSYS1故障信息可能是由于：___
A. ASFCC1完全失效
B. B一个SFCC的缝翼通道失效
C. C两个SFCC都完全失效
D. D两个SFCC的缝翼通道都失效
【单选题】
减载功能（LAF）使用哪些操纵面？___
A. A扰流板1至5
B. B副翼和扰流板4和5
C. C副翼和扰流板1和2
D. D副翼
【单选题】
哪些操纵面用于减小升力？___
A. A所有扰流板
B. B扰流板1至3
C. C扰流板1至4
D. D扰流板2至5
【单选题】
哪些操纵面用于横滚操纵？___
A. A扰流板1至5
B. B副翼和扰流板3至5
C. C副翼和扰流板2至5
D. D副翼和扰流板2至4
【单选题】
升降舵和THS通常由ELAC2控制，若ELAC2失效，会出现什么情况？___
A. A俯仰控制需人工转换到ELAC1
B. B俯仰控制自动转换到SEC1和SEC2
C. C俯仰控制自动转换到ELAC1
D. D必须通过手轮人工控制俯仰
【单选题】
几套液压系统向方向舵提供液压动力？___
A. A一套
B. B两套
C. C三套
D. D四套
【单选题】
哪些信号导致方向舵脚蹬运动？___
A. A偏航阻尼信号
B. B方向舵配平信号
C. C转弯协调信号
D. D以上都不对
【单选题】
若ELAC2失效，会出现什么情况？___
A. A副翼和升降舵失效
B. B俯仰控制由ELAC1自动接替
C. C副翼，THS和升降舵均失效
D. D副翼自动定中
【单选题】
若ELAC1和ELAC2均失效，会出现什么情况？___
A. A横滚操纵失去
B. B横滚操纵通过扰流板实现
C. C横滚操纵通过副翼实现
D. D与横滚操纵无关
【单选题】
当两部ELAC的俯仰操纵信号均失去时，以下哪种说法正确？___
A. A俯仰操纵由FAC提供
B. B俯仰操纵仅由配平手轮实现
C. C升降舵和俯仰配平通过SEC1或SEC2控制
D. D俯仰操纵彻底失去
【单选题】
若FAC1和FAC2失效，会发生什么情况？___
A. A方向舵只接受脚蹬输入
B. B方向舵操纵失去
C. C方向舵操纵由SEC3提供
D. D方向舵自动锁定在中立位
【单选题】
当两个侧杆向同向或反向运动时，会出现什么情况？___
A. A舵面的运动与两个侧杆偏转的代数和成比例
B. B舵面的偏转与最后一个侧杆的偏转成比例
C. C机长的侧杆总是优先
D. D结果不可预知
【单选题】
怎样才能抑制另外一个侧杆的输入？___
A. A比另一个飞行员握杆用力更大
B. B按压接管电门
C. C机长总是可以
D. D不可能抑制
【单选题】
若把侧杆上的接管按钮按压超过40秒后，会出现什么情况？___
A. A松开接管按钮后，另一侧杆仍不起作用
B. B松开接管按钮后，另一侧杆仍起作用
C. C无任何变化
D. D相应舵面被锁定
【单选题】
不起作用的侧杆如何重新起作用？___
A. A通过瞬时按压现用侧杆上的接管按钮
B. B通过瞬时按压任一侧杆上的接管按钮
C. C同时按压两个侧杆上的接管按钮
D. D请求机长同意
【单选题】
襟翼和缝翼是如何操纵和驱动的？___
A. A机械操纵，液压驱动
B. B电气操纵，机械驱动
C. C电气操纵，液压驱动
D. D机械操纵，机械驱动
【单选题】
是否可以在两个襟翼位置之间进行选择？___
【单选题】
空速大于210节，襟翼手柄放下到1个单位时哪个操纵面放出？___
A. A只有襟翼
B. B只有缝翼
C. C襟翼和缝翼
D. D襟翼，缝翼和副翼
【单选题】
空速大于210节襟翼自动收上后，如果空速又下降到限制值以下：___
A. A襟翼再次放出
B. B襟翼不会重新放出
C. C缝翼会放出
D. DWTB作动
【单选题】
方向舵行程限制是谁的一个功能：___
A. AFAC
B. BFMGC
C. CELAC
D. DSEC
【单选题】
当两个偏航阻尼的功能都正常时：___
A. A偏航阻尼作动器1优先，偏航阻尼作动器2随动
B. B偏航阻尼作动器2优先，偏航阻尼器作动器1随动
C. C两个偏航阻尼作动器同时工作
D. D两个偏航阻尼作动器都处于备用方式
