【多选题】
choose four___
A. DHCP snooping ——————————blocks DHCP messages
B. Dynamic ARP inspection——————verifies IP-to-MAC traffic on untrusted ports
C. IP sources guard ——————————provides layer 2 interface security with ports ACLs
D. Port security————————————mitigates MAC-address spoofing at the access interface
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相关试题
【多选题】
choose four___
A. Step1————————run the system setup wizard
B. Step2————————add an authentication realm
C. Step3————————configure identity management
D. Step4————————configure directory group
【多选题】
What are two advanced features of the Cisco AMp solution for endpoints ___
A. contemplation
B. foresight
C. sandboxing
D. reputation
E. reflection
【多选题】
Which two characteristics of RADIUS are true?___
A. It encrypts only the password between user and server.
B. It uses TCP ports 1812/1813
C. It uses UDP ports 1812/1813.
D. It uses UDP port 49
E. It uses TCP port 49
【多选题】
What are two challenges of using a network-based IPS? ___
A. It is unable to determine whether a detected attack was successful
B. It requires additional storage and proce ssor capacity on syslog servers
C. As the network expands, it requires you to add more sensors.
D. It is unable to detect attacks across the entire network
E. It must support multiple operating systems.
【多选题】
What are two default be haviors of the traffic on a zone-based firewall?___
A. Traffic within the self -zone uses an im plicit deny all.
B. All traffic between zones is implicitly blocked
C. Communication is allowed between interfadAss that are members of the same zone
D. Communication is blocked between interfaces that are members of the same zone
E. The CBAC rules that are configured on router interfaces apply to zone interfaces
【多选题】
Which two advantages does the on-premise model for MDM deployment have over the cloud-based model?___
A. The on-premise model is easier and faster to de ploy than the cloud-based model
B. The on-premise model is more scalable than the cloud-based model
C. The on-premise model is generally less expensive than the cloud-based model
D. The on-premise model generally has less latency than the cloud- based model.
E. The on-premise model provides more control of the MDM solution than the cloud
【多选题】
Which two actions can an end usts take to manage a lost or stolen device in Cisco ISE? ___
A. Activate Cisco ISE End point Protection Services to quarantine the device.
B. Add the mac address of the device to a list of blacklisted devices
C. Force the device to be locked with a PIN
D. Request revocation of the digital certificate of the device.
E. Reinstate a device that the user previously marked as lost or stolen
【多选题】
Which two problems can arise when a proxy firewall serves as the gateway between networks?___
A. It can prevent content caching
B. It can limit application support
C. It is unable to prevent direct connections to other networks
D. It can cause reduced throughput.
E. It is unable to provide antivirus protection
【多选题】
When using the Adaptive Security Device Manager(ASDM), which two methods are available to add a new root certificate?___
A. Use sCep
B. Install from SFTP server
C. Install from a file
D. Use Https
E. Use LDAP
【多选题】
Which two are considered basic security principles?___
A. Accountability
B. Redundancy
C. High Availabilit
D. Integrity
E. Confidentiality
【多选题】
Which two roles of the Cisco WSA are true?___
A. IPS
B. firewall
C. antispam
D. web proxy
E. URL filter
【单选题】
Which next-generation encryption algorithm supports four variants?___
A. SHA-2
B. SHA-1
C. MD5
D. HMAC
【单选题】
What aims to remove the abil ity to deny an action?___
A. Non-Repudiation
B. Accountability
C. Integrity
D. Deniability
【单选题】
Which statements about the native VLAN is true ?___
A. It is susceptible to VLAN hopping attacks.
B. It is the Cisco recommended VLAN for switch-management traffic
C. It is most secure when it is a ssigned to vLAn 1.
D. It is the cisco-recomme nded vlan for user traffic
【单选题】
There are two versions of IKE:IKEv1 and IKEv2. Both IKEv1 and IKEv2 protocols operate in phases IKEv1 operates in two phases. IKEv2 operates in how many phases?___
【单选题】
What does the dh group refer to?___
A. length of key for hashing C
B. length of key for encryption
C. tunnel lifetime key
D. length of key for key exchange
E. length of key for authentication
【单选题】
Which path do you follow to enable aaa through the SDM ?___
A. Configure Tasks > AAA
B. Configure > Addition Authentication > AAA
C. Configure > AAA
D. Configure > Additional Tasks > AAA
E. Configure Authentication > AAA
【单选题】
which technology cloud be used on top of an MPLS VPN to add confidentiality ?___
A. IPsec
B. 3DES
C. AES
D. SSL
【单选题】
Which term is most closely aligned with the basic purpose of a SIEM solution? ___
A. Non-Repudiation
B. Accountability
C. Causality
D. Repudiation
【单选题】
You have just deployed SNMPv3 in your environment, Your manager asks you to make sure that our SNMP agents can only talk to the SNMP Manager. What would you configure on your SNMI agents to satisfy this request?___
A. A SNMP View containing the SNMP managers
B. Routing Filter with the SNMP managers in it applied outbound
C. A standard ACL containing the SNMP managers applied to the SNMP configuration
D. A SNMP Group containing the SNMP managers
【单选题】
Which feature prevents loops by moving a nontrunking port into an errdisable state when a BPDU is received on that port?___
A. BPDU filte
B. DHCP snooping
C. BPDU guard
D. Port Fast
【单选题】
Which command enables port security to use sticky MAC addresses on a switch?___
A. switchport port-security violation restrict
B. switchport port-security mac-address sticky
C. switchport port-security violation protect
D. switchport port-security
【单选题】
When you edit an IPS subsignature, what is the effect on the parent signature and the family of subsignatures?___
A. The change applies to the parent signature and the entire family of subsignatures
B. The change applies to the parent signature and the subsignature that you edit
C. The change applies only to subsignatures that are numbered sequentially after the subsignature that you edit
D. Other signatures are unaffected, the change applies only to the subsignature that you dit
【单选题】
Which type of mechanism does Cisco FirePOWER de ploy to protect ag detected moving across other networks?___
A. antivirus scanning
B. policy-based
C. reputation-based
D. signature-based
【单选题】
What action must you take on the ise to blacklist a wired device?___
A. Locate the switch through which the device is connected and push an a cl restricting all access by the device
B. Issue a CoA request for the de vice's mac address to each access switch in the network
C. Revoke the device's certificate so it is unable to authenticate to the network
D. Add the device's MAc address to a list of black listed devices
【单选题】
Which type of firewall can perform deep packet inspection?___
A. packet-filtering firewall
B. stateless firewall
C. application firewall
D. personal firewall
【单选题】
What is the main purpose of Control Plane Policing?___
A. to prevent exhaustion of route-proce ssor resources
B. to organize the egress packet queues
C. to define traffic classes
D. to maintain the policy map
【单选题】
Which attack can be prevented by OSPF authentication?___
A. smurf attack
B. IP spoofing attack
C. denial of service attack
D. buffer overflow attack
【单选题】
What is the best definition of hairpinning?___
A. ingress traffic that traverses the outbound interface on a device
B. traffic that enters one interface on a device and that exits through another interface
C. traffic that enters and exits a device through the same interface
D. traffic that tunnels through a device interface
【单选题】
Which SNMPv3 security level provides authentication using HMAC with MD5, but does not use encryption?___
A. authPriv
B. authNo Priv
C. noAuthNoPriv
D. NoauthPriv
【单选题】
You have implemented a dynamic blacklist, using security intelligence to block illicit network activity. However, the blacklist contains several approved connections that users must access for usiness pur poses. Which action can you take to retain the blacklist while allowing users to access the approve d sites?___
A. Create a whitelist and manually add the approved addresses.
B. Disable the dynamic blacklist and deny the specif ic address on a whitelist while permitting the others
C. Edit the dynamic blacklist to remove the approved addresses
D. Disable the dynamic blacklist and create a static blacklist in its place
【单选题】
When connecting to an external resource,you must change a source IP address to use one IP address from a range of 207.165.201.1 to 207.165.1.30. Which option do you implement ?___
A. dynamic source NAT that uses an IP ad dress as a mapped source
B. static destination NAT that uses a subnet as a real de stination
C. dynamic source NAT that uses a range as a mapped source
D. static destination NAT that uses a subnet as a real source
【单选题】
Refer to the exhibit. 【nat(ins,any)dynamic interface】Which ty pe of NaT is configured on a Cisco ASA?___
A. dynamic NAT
B. source identity NAT
C. dynamic PAT
D. identity twice NAT
【单选题】
Which mitigation technology for web-based threats prevents the removal of confidential data from the network?___
A. CTA
B. DCA
C. AMP
D. DLP
【单选题】
Refer to the exhibit. What is the effect of the given configuration?___
A. It establishes the preshared key for the switch
B. It establishes the preshared key for the firewall.
C. It establishes the preshared key for the Cisco ISE appliance
D. It establishes the preshared key for the router.
【多选题】
What are two major considerations when choosing between a SPAN and a TAP when plementing IPS?___
A. the type of analysis the iS will perform
B. the amount of bandwidth available
C. whether RX and TX signals will use separate ports
D. the way in which media errors will be handled
E. the way in which dropped packets will be handled
【多选题】
What are two direct-to-tower methods for redirecting web traffic to Cisco Cloud Web Security?___
A. third-party proxies
B. Cisco Catalyst platforms
C. Cisco NAC Agent
D. hosted PAC files
E. CiSco ISE
【多选题】
Which three descriptions of RADIUS are true? ___
A. It uses TCP as its transport protocol.
B. Only the password is encrypted
C. It supports multiple transport protocols
D. It uses UDP as its transport protocol
E. It combines authentication and authorization
F. It separates authentication,authorization,and accounting
【多选题】
Which two configurations can prevent VLAN hopping attack from attackers at VLAN 10?___
A. using switchport trunk native vlan 10 command on trunk ports
B. enabling BPDU guard on all access ports
C. creating VLAN 99 and using switchport trunk native vlan 99 command on trunk ports
D. applying ACl between VLAN
E. using switchport mode access command on all host ports
F. using switchport nonegotiate command on dynamic desirable ports
【多选题】
What are two features of transparent firewall mode ___
A. It conceals the presence of the firewall from attackers
B. It allows some traffic that is blocked in routed mode
C. It enables the aSA to perform as a router.
D. It acts as a routed hop in the network.
E. It is configured by default
推荐试题
【单选题】
下列关于PW4170发动机燃油系统叙述正确的是:___
A. 燃油分配活门将燃油送入24个燃油总管
B. 燃油分配活门关闭时,还有6个燃油总管充满燃油
C. 燃油系统有24个燃油喷嘴
D. 燃油流量传感器安装在低压燃油泵上游
【单选题】
下面不属于PW4170发动机FADEC系统的是:___
A. EEC
B. ERU
C. EVMU
D. 发动机上相关传感器
【单选题】
关于PW4170发动机FADEC系统描述错误的是:___
A. FADEC是双通道系统
B. FADEC每个通道有自己单独的传感器
C. FADEC两个通道使用同一电源
D. FADEC每个通道通过单独的控制部件控制发动机
【单选题】
当PW4170发动机FADEC系统一个通道的部分功能失效时:___
A. 控制通道发生转换
B. 控制通道不发生转换
C. 这些功能由另一通道执行
D. 这些功能处于故障安全模式
【单选题】
PW4170发动机上以下哪项不由EEC监控:___
A. VSV开度
B. TCC状态
C. HPV在发动机起动时关闭
D. 发动机振动值
【单选题】
PW4170发动机工作期间,如果EEC专用发电机的一组线圈不供电:___
A. EEC由另一台专用发电机供电
B. EEC由同一专用发电机的另一组线圈供电
C. EEC由飞机电网供电
D. EEC断电不工作
【单选题】
MCDU通过什么读取PW4170发动机EEC中的维护信息:___
A. EVMU和CMS
B. EIU和CMS
C. EIVMU和CMS
D. 直接读取
【单选题】
下面哪项参数同时进入PW4170发动机EEC的A、B两个通道:___
A. Pamb
B. P2
C. P4.95
D. 以上都不是
【单选题】
下面哪个参数不通过EEC显示在ECAM上:___
A. 燃油流量
B. 燃油温度
C. 滑油量
D. 滑油压力
【单选题】
下面哪项参数同时进入PW4170发动机EEC的A、B两个通道:___
A. P2.5
B. 发动机程序插塞
C. 短舱温度
D. EGT
【单选题】
PW4170发动机起动系统向EEC反馈的信号是:___
A. 起动机空气关断活门(SAV)开信号
B. 起动机空气关断活门(SAV)关信号
C. 起动机转速信号
D. 以上都不是
【单选题】
PW4170发动机FMU到EEC的反馈信号是:___
A. 计量活门位置信号
B. 计量活门中力矩马达信号
C. 燃油高压关断活门信号
D. 超速保护活门位置信号
【单选题】
下列PW4170发动机的部件中,不向EEC提供反馈信号的是:___
A. TCC空气活门作动器
B. VSV作动器
C. 2.5级放气活门作动器
D. 2.9级放气活门作动器
【单选题】
PW4170发动机滑油系统向EEC反馈的信号中,没有:___
A. AOHX活门位置信号
B. FOC旁通活门位置信号
C. IDG滑油散热器活门位置信号
D. 以上都没有
【单选题】
PW4170发动机反推系统向EEC反馈的信号中,没有:___
A. 压力电门信号
B. 反推作动筒反馈LVDT信号
C. 人工抑制接近电门信号
D. 方向控制活门LVDT信号
【单选题】
PW4170发动机IDG滑油系统向EEC反馈的信号是:___
A. 燃油压力
B. 滑油温度
C. 滑油压力
D. 燃油流量
【单选题】
下列离散信号中,直接进入PW4170发动机EEC的是:___
A. 襟缝翼位置信号
B. HP引气活门位置信号
C. 飞机空地信号
D. 油门杆角度(TRA)信号
【单选题】
下列关于PW4170发动机EIVMU表述正确的是:___
A. 发动机接口和振动监控组件
B. 发动机接口组件
C. 发动机振动监控组件
D. 发动机监控组件
【单选题】
PW4170发动机EEC与EIVMU之间的数字线路有:___
【单选题】
不经过EIVMU传输到PW4170发动机EEC的信号是:___
A. EEC供电
B. 点火嘴供电
C. FMGEC的数据
D. 油门杆位置
【单选题】
不经过EIVMU传输到PW4170发动机EEC的数据是:___
A. ADIRU数据
B. FMGEC数据
C. SDAC数据
D. 区域温度控制器(ZC)数据
【单选题】
何时飞机环境控制系统(ESC)不会要求EEC改变PW4170发动机的状态?___
A. 发动机防冰接通
B. 燃油伺服加温接通
C. 翼面防冰接通
D. 空调系统接通
【单选题】
PW4170发动机控制板送到EIVMU的信号没有:___
A. 发动机起动模式选择旋钮位置
B. 发动机油门杆位置
C. 发动机主电门位置
D. 人工起动按钮位置
【单选题】
PW4170发动机EIVMU接受的数字信号是:___
A. 来自FCU的EPR目标值
B. 来自SFCC的襟缝翼位置
C. 来自LGCIU的空地信号
D. 来自油门杆控制组件(TCU)的信号
【单选题】
PW4170发动机EIVMU计算发动机振动值时,需要:___
A. N1
B. N2
C. 飞机加速度
D. 发动机加速度
【单选题】
PW4170发动机N2大于50%时,EIVMU发出离散信号到:___
A. CIDS
B. PHC
C. RA
D. FCDC
【单选题】
PW4170发动机一部EIVMU失效时,能进行:___
A. 干冷转
B. 湿冷转
C. 自动推力
D. 人工起动
【单选题】
PW4170发动机EEC何时由专用发电机供电:___
A. N2>5%
B. N2>10%
C. N2>12%
D. N2>15%
【单选题】
如果飞机电网有电,一部EIVMU失效,则EEC:___
A. 断电
B. 始终有电
C. 发动机工作时有电
D. 以上都不对
【单选题】
PW4170发动机起动机工作周期___
A. 工作5分钟,停止10分钟
B. 工作5分钟,停止5分钟
C. 工作10分钟,停止10分钟
D. 工作10分钟,停止30分钟
【单选题】
PW4170发动机单点火嘴点火的工作顺序是:___
A. ABAB
B. AABB
C. 随机无规律
D. 人工选择
【单选题】
PW4170发动机点火供电线路上,点火激励器上游的最后一个部件是:___
A. EIVMU
B. ERU
C. EEC
D. 飞机电网
【单选题】
关于PW4170发动机点火嘴描述错误的是:___
A. 带电极保护
B. 插入深度可调
C. 有冲压空气冷却
D. 是LRU
【单选题】
PW4170发动机起动点火系统显示在:___
A. 上ECAM
B. 下ECAM
C. ECAM无显示
D. 头顶电门板
【单选题】
PW4170发动机起动期间,起动机空气关断活门(SAV):___
A. 人工关闭
B. 自动关闭
C. 起动结束后关闭
D. 以上都不对
【单选题】
下列何种情况下,PW4170发动机不是双点火:___
A. 发动机防冰接通
B. 起飞
C. 翼面防冰接通
D. 进近慢车状态
【单选题】
PW4170发动机压气机流量控制系统不包括:___
A. 可调静子叶片
B. 2.5级放气
C. 2.9级放气
D. 主动间隙控制
【单选题】
PW4170发动机可调静子叶片系统调节几级静叶:___
【单选题】
PW4170发动机2.5级放气活门作动器由什么驱动?___
【单选题】
PW4170发动机2.9级放气活门作动器由什么驱动?___