【多选题】
What are two ways to prevent eavesdropping when you perform device management tasks？___
A. Use an SSH connection.
B. Use SNMPv3
C. Use out-of-band management
D. Use SNMP
E. Use in-band management
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相关试题
【多选题】
Which two features are commonly used CoPP and CPPr to protect the control plane？ ___
A. QoS
B. traffic classification
C. access lists
D. policy maps
E. class maps
F. Cisco Express Forwarding
【多选题】
Which four tunne ling prot ocols are enabled in the Dfit GrpPolicy group policy ？___
A. Clientless SSL VPN
B. SSL VPN Client
C. PPTP
D. L2TP/IPsec
E. IPsec IKEv1
F. IPsec IKEv2
【多选题】
Which two statements regarding the aSA VPN configurations are correct？___
A. The asa has a certificate issued by an external certificate authority associated to the ASDM TrustPoint1
B. The Default WEBVPNGroup Connection Profile is using the aaa with RADIUS server method
C. The Inside-srvbook mark references the https://192.168.1.2url
D. Only Clientless SSL VPN access is allowed with the Sales group policy
E. Any Connect， IPSec IKEv1， and IPSec IKEv2 VPN access is enabled on the outside interface
F. The Inside -SRV bookmark has not been applied to the Sales group policy
【多选题】
Which three ESP fields can be encrypted during transmission？___
A. Security Parameter Index
B. Sequence Number
C. MAC Address
D. Padding
E. Pad length
F. Next Header
【多选题】
.Which three statements de scribe DHCP spoofing attacks？___
A. They can modify traffic in transit.
B. They are used to perform man- in-the-middle attacks
C. They use ARP poisoning
D. They can access most network devices
E. They protect the ide ntity of the attacker by masking the DHCP address.
F. They are can physically modify the network gateway.
【多选题】
Which statement about the communication between interfaces on the same security level is true？___
A. Interfaces on the same security level require additional configuration to permit interinterface communication
B. Configuring interfaces on the same security level can cause asymmetric routing
C. All traffic is allowed by default between interfaces on the same security level
D. You can configure only one interface on a n individual security level
【多选题】
In which two situations should you use in band management？ ___
A. when the control plane fails to respond
B. when you require administrator access from multiple locations
C. when you require ROMMON access.
D. where a network device fails to forward packets
E. when multiple ma nagement applications need concument access to the device.
【多选题】
Which two features are supported in a VRF-aware softwar infrastructure before VRF-lite?___
A. multicast
B. fair queuing
C. WCCP
D.
E. IGRP
【多选题】
.Which loS command do you enter to test authentication again a AAA server？___
A. dialer aaa suffix <suffix> password <password>
B. ppp authentication chap pap test
C. test aaa-server authentication dialer group user name <user> password <password>
D. aaa authentication enable default test group tacases
【多选题】
Which two statements about the self zone on a cisco Xone based policy firewall are true？___
A. Multiple interfaces can be assigned to the self zone
B. it supports stateful inspections for multicast traffic
C. zone pairs that include the self zone apply to traffic transiting the device.
D. it can be either the source zone or the destination zone
E. traffic entering the self zone must match a rule
【多选题】
Which type of attack can exploit design flaws in the implementation of an application without ？___
A. DHCP starvation attacks
B. low-rate dos attacks
C. application DDos flood attacks
D. application DDoS flood attacks
E. volume-based DDoS attacks
【单选题】
Which type of firewall can server as the interme diary between a client and a server ?___
A. Stateless firewall
B. application firewall
C. proxy firewall
D. personal firewall
【单选题】
What is the highest security level that can be configured for an interface on an ASA？___
【单选题】
Which term refers to the electromagnetic interference that can radiate from network cables？___
A. Gaussian distributions
B. Doppler waves
C. emanations
D. multimode distortion
【单选题】
How does a zone pair handle traffic if the policy de fination of the zone pair is missing?___
A. It inspects all traffic.
B. It drops all traffic.
C. It permits all traffic wihtout logging
D. It permits and logs all traffic
【单选题】
default how does a zone based firewall handle traffic to add from the self zone？___
A. It permits all traffic without inspection
B. It inspects all traffic to determine how it is handled
C. It permits all traffic after inspection
D. It frops all traffic
【单选题】
Which command should beused to ena ble AAA Authentication to determine if a user can access the privilege command level？___
A. aaa authentication enable local
B. aaa authentication enable level=
C. aaa authentication enable method de fault
D. aaa authentication enable defa ult local
【单选题】
On an ASA， the policy indicates that traffic should not be translated is often referred to as which of the following？___
A. NAT zero
B. NAT forward
C. NAT nul
D. NAT allow
【单选题】
Which protocol offers data Integrity encryption， authentication， and anti-replay functions for IPSec VPN？___
A. ESP protocol
B. IKEv3 Protocol
C. AH protoco
D. IKEv1 Protocol
【单选题】
Which component offers a variety of security Solution， including firwall， IF Antivirus and antiphishing features？___
A. Cisco loS router
B. Cisco ASA 5500 Ser ies security appliance
C. Cisco ASA 5500 X series Next Gen Security appliance
D. Cisco 4200 series IPS appliance
【单选题】
Refer to the exhibit， A Network Secur ity administrator check the ASa firewall NAT policy table rith show nat command， which statement is fails？___
A. There are only reverse translation matches for the REAL SERvER object
B. First policy in the Section 1 is a dynamic nat entry defined in the object configuration
C. NAT policy in section 2 is static entry de fined in the object configuration
D. Translation in Section 3 used when a connection does not matches any entries in first two sections
【单选题】
What is true of an aSa in transparent mode ?___
A. It supports OSPF
B. It requires an IP address for each interface
C. It requires a management IP address
D. It allows the use of dynamic NaT
【单选题】
What is the effect of the ip scp server enable command？___
A. It references an access list that allows specific SCP servers
B. It allows the router to initiate requests to an SCP server
C. It allows the router to become an SCP server
D. It adds SCP to the list of allowed copy functions
【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
【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
推荐试题
【单选题】
客舱预增压何时开始___
A. A发动机起动时
B. B起飞功率选择时
C. C离地后
D. D人工按压电门后
【单选题】
压力安全活门在何压力下打开___
A. A8.0PSI
B. B8.6PSI
C. C9.6PSI
D. D7.6PSI
【单选题】
组件是如何进行基本的温度调节的？___
A. A它满足最低区域温度的要求
B. B它调节三个区域的温度
C. C它满足最高区域温度的要求
D. D它满足区域温度的平均需求值
【单选题】
掺混空气活门的作用是什么？___
A. A增加冷空气以优化区域温度
B. B增加热空气以优化区域温度
C. C调节热空气压力
D. D防止组件冷凝器结冰
【单选题】
空调防冰活门的主要作用是什么？___
A. A防止初级热交换器结冰
B. B防止主热交换器结冰
C. C防止组件冷凝器结冰
D. D增加去涡轮的空气流量
【单选题】
旁通活门的主要作用是什么？___
A. A减少去压气机的空气流量
B. B调节组件出口温度
C. C增加去涡轮的空气流量
D. D防止初级热交换器结冰
【单选题】
冲压空气进气门的作用是什么？___
A. A当双组件失效时保证客舱通气
B. B给组件压缩机提供空气
C. C调节通过热交换器的冷空气流量
D. D降低飞机速度
【单选题】
当APU供气时，把组件流量选择电门放到“LO”位，组件会产生：___
A. A高流量
B. B低流量
C. C正常流量
D. D零流量
【单选题】
当把冲压空气（RAMAIR）电门放到开位时，会出现什么情况？___
A. A空调组件的冲压空气进气门开
B. B空调组件的冲压空气排气门开
C. C应急冲压空气进气门打开
D. D外流活门完全关闭
【单选题】
着陆后，座舱增压系统是否会自动转换？___
A. A不会，必须人工选择另一系统
B. B会，接地后立即转换
C. C会，但仅在接地一段时间以后
D. D会，每次飞机通电时
【单选题】
外流活门的位置是怎样控制的？___
A. A通过三个交流马达，一次只有一个工作
B. B通过三个交流马达，一起工作
C. C通过三个直流电动马达，一次只有一个工作
D. D通过三个直流电动马达，一起工作
【单选题】
正确的着陆标高人工调定值应在哪里检查？___
A. A“LDGELEV”（着陆标高）选择电门上的刻度
B. BECAM客舱增压页面
C. C不需要，因为是自动的
D. D无法检查
【单选题】
把增压系统方式选择电门放在MAN位，水上迫降电门放在ON开位会出现什么情况？___
A. A外流活门，应急冲压空气进气门，电子通风和组件流量控制活门关闭
B. B只有外流活门关闭
C. C只有外流活门不会自动关闭
D. D空调系统的安全活门关闭
【单选题】
流量控制活门在下列哪种情况下不关闭?___
A. A.PACK控制器完全失效
B. B.大发起动
C. C.火警电门作动
D. D.DITCHING电门ON
【单选题】
哪一个马达受控于客舱增压面板?___
A. A.MOTOR1,2
B. B.MOTOR2
C. C.MOTOR3
D. D.本航班使用的自动马达
【单选题】
蒙皮热交换器的作用是什么？___
A. A当蒙皮热交换器隔离活门打开时，用于冷却来自电子设备的空气
B. B重新加热来自电子通风系统的空气
C. C对空气进行冷却，然后排到下面的货舱里
D. D加热蒙皮，防止结冰
【单选题】
什么时候蒙皮热交换器进口旁通活门打开？___
A. A在开路构型
B. B在闭路或部分开路构型，且空气流量高于所要求的值时
C. C当电子舱外部温度在35℃（95°F）以上时
D. D飞机在空中时
【单选题】
BLOWER和EXTRACT电门都处于超控位时，从哪里引气通风？___
A. A蒙皮空气进气活门
B. B蒙皮热交换器旁通活门
C. C空调进气活门
D. DPRV
【单选题】
什么时候蒙皮热交换器会在地面工作？___
A. A当环路工作于开路构型时
B. B当蒙皮温度低于12℃（蒙皮温度在增加），在闭路构型工作时
C. C当蒙皮温度高于12℃（蒙皮温度在增加），在闭路构型工作时
D. D永远不会
【单选题】
当把BLOWER和EXTRACT电门中的一个放在超控位时，通风空气来自何处？___
A. A电子舱
B. B机外
C. C空调管道
D. D驾驶舱
【单选题】
当把BLOWER和EXTRACT电门都放在超控位时，通风空气排到何处？___
A. A蒙皮热交换器
B. B机外
C. C货舱底部
D. D驾驶舱
【单选题】
A321组件流量可由经济按钮选择来提供几种流量？___
A. A.经济流量、正常流量（120%的经济流量）
B. B.高流量、正常流量、低流量
C. C.经济流量、正常流量（120%经济流量），最大流量（高流量）
D. D.可连续调节多种流量
【单选题】
对于A320飞机，只有单空调组件工作，把流量控制旋钮放到NORM位，则此时组件提供：___
A. A.低流量
B. B.高流量
C. C.正常流量
D. D.经济流量
【单选题】
对于A321，经济流量电门放在“OFF”位，组件流量为：___
A. A.经济流量
B. B.120%正常流量
C. C.120%经济流量
D. D.0
【单选题】
把冲压空按钮“RAMAIR”放置在“ON”位时：___
A. A.空调组件的冲压进气门打开，外流活门半开
B. B.空调组件冲压空气出口门打开
C. C.紧急冲压空气进口门打开，外流活门半开
D. D.紧急冲压空气进口门关闭，外流活门出关闭
【单选题】
PACK出口气动传感器的功用：___
A. 用于ECAM显示；
B. 用于把温度信号送到CFDIU（三级故障）；
C. 用于PACK控制器失效时，气动操纵防冰活门。
D.
【单选题】
PACK控制器送什么信息到区域控制器?___
A. 流量指令信号；
B. 自检指令；
C. 自检和PACK状态。
D.
【单选题】
PACK流量控制活门在何种情况下会开始气动关闭？___
A. PACK压气机出口温度230℃；
B. 管道温度大于88℃；
C. PACK压气机出口温度达260℃。
D.
【单选题】
PACK组件中：防冰活门的主要用途是：___
A. 阻止通过主级散热器的空气结冰；
B. 阻止通过次级散热器的空气结冰；
C. 阻止通过PACK冷凝器的空气结冰。
D.
【单选题】
PACK组件中：旁通活门的功用是：___
A. 降低通过PACK压气机的空气流量；
B. 调节PACK出口温度；
C. 增加通过PACK涡轮的空气流量。
D.
【单选题】
安全活门功用是：___
A. 避免负压差；
B. 替代放气活门；
C. 阻止产生过大的正压和负压差。
D.
【单选题】
冲压空气按钮控制：___
A. 冲压空气进气门；
B. 冲压空气出口气门；
C. 应急冲压空气进气门。
D.
【单选题】
冲压空气按钮在ON位时，则：___
A. PACK冲压空气进口风门开；
B. PACK冲压空气出口风门开；
C. 应急冲压空气进口风门开。
D.
【单选题】
厨房和厕所通风空气来自：___
A. 客舱分配管道；
B. PACK1；
C. PACK2。
D.
【单选题】
当电子舱通风系统处于开环路状态时，蒙皮空气进口和出口活门处于什么位置？___
A. 全部打开；
B. 进口活门打开，出口活门关闭；
C. 全部关闭。
D.
【单选题】
当两个PACK失效时，应急冲压空气进气门如何工作？___
A. 自动
B. 须人工将冲压空气按钮置ON位。
C.
D.
【单选题】
当座舱高度达到多少时，将会触发座舱高度过高警告？___
A. 8800英尺；
B. 9550英尺；
C. 10000英尺。
D.
【单选题】
电子舱内的电子舱通风系统的功用是：___
A. 避免电子舱结构损伤；
B. 确保电子舱加热；
C. 给电子舱内的设备通风。
D.
【单选题】
电子舱通风蒙皮交换器进口旁通活门何时打开?___
A. 在开路状态时；
B. 在闭路或中间状态，气流量大于要求值时；
C. 在电子舱温度大于35℃时。
D.
