刷题
导入试题
【单选题】
Which statement about zone-based firewall configuration is true?___
A. You can assign an interface to more than one zone
B. Traffic is implicitly denied by de fault between interfaces in the same zone
C. The zone must be configured before it can be a ssigned
D. Traffic that is destined to or sourced from the Self zone is de nied by default
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答案
C
解析
暂无解析
相关试题
【单选题】
Refer to the exhibit line in this configuration prevents the help Desk user from modifying the interface configuration.___
A. Privilege exec level 10 interface
B. Privilege exec level 9 configure terminal
C. Privilege exec level 7 show start-up
D. Username HelpDesk privilege 6 password help
【单选题】
You have been tasked with blocking user access to websites that violate company policy, but the sites use dynamic IP addresses. What is the best practice for URl filtering to solve the problem?___
A. Enable URL filtering and use URL categorization to block the we bsites that violate company
B. Enable URL filtering and create a blacklist to block the websites that violate company policy
C. Enable URL filtering and create a whitelist to block the websites that violate company policy
D.
E. nable URL filtering and use URL categorization to allow only the websites that company policy allows users to access.
【单选题】
Within an 802. 1x-enabled network with the auth Fail feature configured, when does a switch port get placed into a restricted VLAN?___
A. When a conected client fails to authenticate after a certain number of attempts.
B. if a connected client does not support 802. 1x
C. when AAA new-model is ena bled
D. after a connected client exceeds a specified idle time
E. when 802. 1x is not globally enabled on the Cisco Catalyst switch
【单选题】
Which type of attack does a proxy firewall protect against ?___
A. cross-site scripting attack
B. worm traffic
C. port scanning
D. DDoS attacks
【单选题】
When an administrator initiates a device wipe command from the ISE, what is the immediate effect?___
A. It requests the administrator to choose between erasing all device data or only managed corporate data.
B. It requests the administrator to enter the device pin or password before proceeding with the operation
C. It notifies the device user and proceeds with the erase operation
D. It immediately erases all data on the device
【单选题】
What is a valid implicit permit rule for traffic that is traversing the ASa firewall?___
A. ARPs in both directions are permitted in transparent mode only
B. Unicast IPv4 traffic from a higher security interface to a lower security interface is permittee in routed mode only.
C. Unicast IPv6 traffic from a higher security interface to a lower security interface is permitted in transparent mode only.
D. Only BPDUs from a higher security interface to a lower secur ity interface are permitted in transparent mode.
E. Only BPDUs from a higher security interface to a lower secur ity interface are permitted in routed mode
【单选题】
A specific URL has been identified as containing malware. What action can you take to block users from accidentally visiting the URl and becoming infected with malware ?___
A. Enable URL filtering on the perimeter router and add the URls you want to block to the router's local URL list
B. Enable URL filtering on the perimeter firewall and add the URls you want to allow to the router's local URL list.
C. Enable URL filtering on the perimeter router and add the URls you want to allow to the firewall's local URL list
D. Create a blacklist that contains the URl you want to block and activate the blacklist on the perimeter rout
E. Create a whitelist that contains the URLs you want to allow and activate the whitelist on the perimeter router.
【单选题】
How does PEAP protect the EAP exchange ?___
A. It encrypts the exchange using the server certificate
B. It encrypts the exchange using the client certificate
C. It validates the server-supplied certificate,and then encrypts the exchange using the client certificate
D. It validates the client-supplied certificate,and then encrypts the excha nge using the server certificate
【单选题】
Which feature of the Cisco Email Security Appliance can mitigate the impact of snowshoe spam and sophisticated phishing attacks?___
A. contextual analysis
B. holistic understanding of threats
C. graymail management and filtering
D. signature-based IPS
【单选题】
Refer to the exhibit【nat (inside,outside)dunamic interface】 Which translation technique does this configuration result in?___
A. DynamIc PAT
B. Dynamic NAT
C. Twice NAT
D. Static NAT
【单选题】
Refer to the exhibit which are repre sents the data center?___
A. A
B. B
C. C
D. D
【单选题】
While trouble shooting site-to-site VPN, you issued the show crypto isakmp sa command. What does the given output show?___
A. IKE Phase 1 main mode was created on 10.1.1.5, but it failed to negotiate with 10.10 10.2
B. IKE Phase 1 main mode has successfully negotiated between 10.1.1.5 and 10.10..
C. IKE Phase 1 aggressive mode was created on 10.1.1.5, but it failed to negotiate with
【单选题】
Refer to the exhibit All ports on switch 1 have a primary vLan of 300 Which devices can host 1 reach?___
A. host 2
B. server
C. host 4
D. other devices within VLAN303
【单选题】
Which option is the cloud-based security service from Cisco the provides URL filtering, web browsing content security, and roaming user protection?___
A. Cloud Web service
B. Cloud Advanced Malware Protection
C. Cloud We b Security
D. Cloud Web Protection
【单选题】
How can you detect a false negative on an IPS?___
A. View the alert on the ips
B. Review the ips log
C. Review the is console
D. Use a third- party system to perform penetration testing.
E. Use a third- party to audit the next generation firewall rules
【单选题】
If a switch port goes directly into a blocked state only when a superior BPDU is received, what mechanism must be in use?___
A. STP BPDU guard
B. Loop guard
C. EtherChannel guard
D. STP Root guard
【单选题】
what improvement does EAP-FASTv2 provide over EAP-FAST? ___
A. It allows multiple credentials to be passed in a single EAP exchange.
B. It supports more secure encryption protocols
C. It allows faster authentication by using fewer packets.
D. It addresses security vulnerabilities found in the original protocol
【单选题】
When users login to the Client less Ssl Vpn using https://209.165.201.2/test ,which group policy will be applied?___
A. test
B. clientless
C. sales
D. DfitGrp Policy
E. Default RAGroup
F. Default WEB VPN
G. roup
【单选题】
Which user authentication method is used when users login to the Clientless SSLVPN portal using https://209.165.201.2/test?___
A. AAA with LOCAL database
B. AAA with RADIUS server
C. Certificate
D. :Both Certificate and aaa with LoCAL database
E. Both Certificate and AAA with RADIUS server
【单选题】
What' s the technology that you can use to prevent non malicious program to runin the computer that is disconnected from the network?___
A. Firewall
B. Sofware Antivirus
C. Network IPS
D. Host IPS
【单选题】
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
【单选题】
Which product can be used to provide application layer protection for tcp port 25 traffic?___
A. ESA
B. CWS
C. WSA
D. ASA
【单选题】
which iPS mode is less secure than other options but allows optimal network through put ?___
A. inline mode
B. inline-bypass mode
C. transparent mode
D. Promiscuous mode
【单选题】
Which feature of the Cisco Email security Appliance can mitigate the impact of snowshoe spam and sophisticated phishing attack?___
A. reputation based filtering
B. signature based IPS
C. contextual analysis
D. graymail management and filtering
【单选题】
Which type of social-engineering attack uses normal tele phone service as the attack vector?___
A. smishing
B. dialing
C. phishing
D. vishing
【单选题】
Which quantifiable item should you consider when you organization adopts new technologies?___
A. exploits
B. vulnerability
C. threat
D. Risk
【单选题】
Referencing the ClA model, in which scenario is a hash- only function most appropriate ?___
A. securing data at rest
B. securing real-time traffic
C. securing data in files
D. securing wireless transmissions
【单选题】
Which ports must be open between a aaa server and a microsoft server to permit Active Directory authentications?___
A. 445 and 389
B. 888 and 3389
C. 636 and 4445
D. 363 and 983
【单选题】
Refer to the exhibit for which reason is the tunnel unable to pass traffic___
A. the tunnel is failing to receive traffic from the remote peer
B. the local peer is unable to encrypt the traffic
C. the ip address of the remote peer is incorrect
D. UDP port 500 is blocked
【单选题】
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】
How can you protect CDP from reconnaissance attacks?___
A. Enable dynamic ARP inspection on all untrusted ports.
B. Enable dot1x on all ports that are connected to other switches.
C.
D. isable CDP on ports connected to endpoints.
【单选题】
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 option is a key security compone nt of and MDM deployment ?___
A. using network-specific installer packages
B. using an application tunnel by default
C. using self-signed certificates to validate the server
D. using MS-CHAPv2 as the primary
E. AP method
【单选题】
Which Firepower Management Center feature detects and block exploits and hack attempts?___
A. Content blocker
B. file control
C. intrusion prevention
D. advanced malware protection
【单选题】
hich description of the nonsecret numbers that are used to start a Diffie- Hellman exchange is ture?___
A. They are preconfigured prime integers.
B. They are large pseudorandom numbers.
C. They are very small numbers chosen from a table of known valuses
D. They are numeric values extracted from ha shed system hostnames
【多选题】
Which two characteristics of an application layer firewall are true?___
A. provides stateful firewal functionality
B. has low processor usage
C. provides protection for multiple applications
D. provides rever se proxy services
E. is immune to URL manipulation
【多选题】
Which two devices are components of the BYOD architectural framework?___
A. Nexus 7010 switch
B. Cisco 3945 Router
C. Identify Services Engine
D. Wireless Access oints
E. Prime Infrastructure
【多选题】
Which two actions can a zone based firewall take when looking at traffic? ___
A. forward
B. inspect
C. drop
D. broadcast
E. filter
【多选题】
n which two situations should you use in-band management?___
A. when management applications need concurrent access to the device
B. when you require administrator access from multiple locations
C. when a network device fails to forward packets
D. when you require ROMMON access
E. when the control plane fails to respond
【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
推荐试题
【多选题】
道岔临时补修的主要内容有___
A. 调整严重不良轨缝
B. 疏通严重淤塞的排水设备,处理严重冲刷的路肩和道床
C. 整修和补充缺失损坏的道岔联结零件
D. 垫入或撤出损坏垫板、胶垫
【多选题】
钢轨的主要作用有___
A. 引导机车车辆行驶
B. 将所承受的荷载传布于轨枕、道床及路基
C. 为车轮的滚动提供阻力最小的接触面
D. 提高行车速度
【多选题】
轨枕按材质分为___种类
A. 木枕
B. 混凝土枕
C. 长枕
D. 岔枕
【多选题】
联结零件的主要作用有___
A. 有效地保证钢轨与钢轨或钢轨与轨枕间的可靠联结
B. 尽可能地保持钢轨的连续性与整体性
C. 阻止钢轨相对于轨枕的纵横向位移,确保轨距正常
D. 在机车车辆的动力作用下,充分发挥缓冲减振性能,延缓线路残余变形的积累
【多选题】
车轮作用在钢轨上的力有___
A. 垂直力
B. 横向水平力
C. 纵向水平力
D. 离心力
【多选题】
钢轨应满足___性能需求
A. 足够的强度
B. 足够的韧性
C. 耐磨性能
D. 耐高温性能
【多选题】
钢轨的断裂和破损多数发生于___部位
A. 有缺陷的轨头
B. 轨头与轨腰连接处
C. 螺栓孔周围
D. 轨底
【多选题】
钢轨断面由___部分构成
A. 轨头
B. 轨腰
C. 轨底
D. 轨面
【多选题】
以下轨高与轨底宽比例正确的是___
A. 1.15
B. 1.16
C. 1.17
D. 1.3
【多选题】
杭州地铁采用的钢轨类型有___
A. P75
B. P60
C. P50
D. P43
【多选题】
我国钢轨的标准长度有___
A. 12.5m
B. 25m
C. 36m
D. 48m
【多选题】
钢轨接头联结零件包括___
A. 夹板
B. 螺栓
C. 螺母
D. 弹簧垫圈
【多选题】
关于规矩尺的说法正确的___?
A. 轨距尺使用前需进行校对
B. 轨距尺要定期进行送检,检测单位需有相关资质
C. 轨距尺都是送检过得了,所以直接使用就可以,不需要浪费时间进行校对
D. 凭老师傅的经验,可以自行检测轨距尺的状态,不需要送检
【多选题】
关于标准股说法正确的___?
A. 直股以直内股为标准股
B. 直股以直外股为标准股
C. 曲股以曲下股为标准股
D. 曲股以曲上股为标准股
【多选题】
下列关于撬棍使用说法正确的___?
A. 撬棍需有经验的员工方可使用
B. 使用撬棍时,用力对面严禁站人
C. 多人使用撬棍时,需同时用力,步调一致
D. 使用撬棍没有什么难度,所以任何人都可以使用
【多选题】
关于更换伤损钢轨说法正确的___?
A. 更换钢轨前,需先确认是否是要更换的钢轨
B. 更换钢轨前,需先测量轨距等相应几何尺寸
C. 更换钢轨没有什么危险,不需要穿劳保用品
D. 更换完钢轨,需确认几何尺寸等各项数据正常,满足通车条件
【多选题】
关于接头病害说法正确的___?
A. 接头产生错牙超标时,需使用相应插片进行调整
B. 接头产生错牙时,只需拧紧夹板螺栓就可以了
C. 接头轨缝过大时,需调整钢轨两侧轨缝,进行调节
D. 接头轨缝顶死有利于列车轮对平稳度过接头,故不用整改
【多选题】
下列关于轨道基本股说法正确的___?
A. 测量水平时,高于标准股为“-”号
B. 测量水平时,高于标准股为“+”号
C. 测量水平时,低于标准股为“+”号
D. 测量水平时,低于标准股为“-”号
【多选题】
关于轨下胶垫说法正确的是___?
A. 轨下胶垫破损时,需及时更换
B. 轨下胶垫起到绝缘调高的作用
C. 轨下胶垫摆放要整齐方正
D. 水平较好时,可以不用放入轨下胶垫
【多选题】
下了关于轨枕螺栓说法正确的___?
A. 螺栓与螺母需配套使用
B. 需定期对螺栓、螺母进行涂油复紧保养
C. 随便的螺母,只要能套入螺栓就可以使用
D. 拧螺母,时顺时针方向为紧,逆时针为松
【多选题】
下列关于轨距变化率说法正确的___?
A. 正线路轨距变化率不大于1/1000
B. 除正线外的其他线路不大于2/1000(不含规定的递减率)
C. 轨距变化率大小不会影响线路质量
D. 轨距变化率超限,轨距一定超限
【多选题】
关于起道作业说法正确的___?
A. 起道前,需先检查起道机等工器具使用状态
B. 起道作业,需以线路质量好的股道为基准股
C. 起道时,直线段起道机放在钢轨里口,曲线段起道机放在上股外口,下股放在里口
D. 起道作业简单,危险系数小,故不需要穿戴劳保用品
【多选题】
下列关于轨距变化率说法正确的___?
A. 正线路轨距变化率不大于1/1000
B. 其他线路不大于2/1000(不含规定的递减率)
C. 只要保证轨距不超标就可以了
D. 轨距变化率不是重要指标,不需要整改
【多选题】
下列关于超高说法正确的___?
A. 杭州地铁4号线七堡停车场线路不设置超高
B. 超高值应该在缓和曲线上递减
C. 曲线超高值设置不合理,会影响乘车舒适度
D. 曲线超高值超限,不会影响列车行驶安全
【多选题】
下列关于钢轨钻孔说法正确的___?
A. 50轨跟60轨的接头孔距不一样
B. 钻孔结束需要进行倒棱作业
C. 钻孔时需保持水箱水分充足
D. 钻孔作业不会有危险,故不需要施工防护
【多选题】
下列说法正确的___?
A. 钢轨钻孔,螺栓孔径误差允许误差±1mm
B. 钢轨钻孔,螺栓位置误差允许误差±1mm
C. 钢轨钻孔,螺栓位置不会影响后期使用,故钻哪里无所谓
D. 钢轨孔应两边都进行倒棱,边缘不得有毛刺
【多选题】
下列关于钢轨切割说法正确的___?
A. 切割钢轨属于动火作业,需要申请动火令
B. 钢轨切割,锯后钢轨长度误差不超过±2mm
C. 钢轨切割作业简单、安全,不需要做安全防护
D. 钢轨切割作业需携带灭火器
【多选题】
轨道线路的三大关键部分有?___
A. 道岔
B. 接头
C. 曲线线路
D. 直线线路
【多选题】
下列关于道岔动程说法正确的是?___
A. 7号道岔有1个动程
B. 9号道岔有1个动程
C. 7号道岔有2个动程
D. 9号道岔有2个动程
【多选题】
下列关于9号道岔动程说法正确的是?___
A. 杭州地铁2号线第二动程为80mm
B. 杭州地铁4号线第二动程为80mm
C. 杭州地铁2号线第二动程为84mm
D. 杭州地铁4号线第二动程为84mm
【多选题】
下列关于道岔尖轨开口说法正确的是?___
A. 7号道岔尖轨开口为160mm
B. 9号道岔尖轨开口为160mm
C. 7号道岔尖轨开口为168mm
D. 9号道岔尖轨开口为168mm
【多选题】
下列关于道岔说法正确的是?___
A. 普通单开道岔轨距水平需要测量17撬
B. 普通单开道岔分为转辙、导曲线、辙叉三部分
C. 普通单开道岔分为左单开和有单开
D. 普通单开道岔分为直、曲股
【多选题】
关于道岔查照间隔、护背距离说法正确的是?___
A. 查找间隔应大于1391mm,允许误差(+3,-0)
B. 查找间隔应小于1391mm,允许误差(+3,-0)
C. 护背距离应大于1348mm,允许误差(+0,-2)
D. 护背距离应小于1348mm,允许误差(+0,-2)
【多选题】
下列关于曲线线路说法正确的___?
A. 曲线线路属于轨道线路三大薄弱环节之一
B. 曲线地段的超高与加快设置,是为了平衡离心力
C. 曲线地段的钢轨磨耗等损伤会比直线线路更加严重
D. 曲线线路的维修比直线线路维修更简单
【多选题】
线路接头经常发生的病害有?___
A. 错牙
B. 轨缝挤瞎
C. 轨缝过大
D. 接头肥边
【多选题】
下列工器具中,更换夹板需要使用的工具有___?
A. 钢丝刷
B. 大锤
C. 扭力扳手
D. 起道机
【多选题】
关于更换钢轨接头鱼尾板说法正确的___?
A. 作业前,需在施工区域前后50m外设置红闪灯
B. 鱼尾板与钢轨间缝隙不能超过0.5mm
C. 鱼尾板安装好后,需检查轨距、错牙等几何尺寸
D. 鱼尾板安装是没有危险,不需要请点可直接作业
【多选题】
关于接头夹板螺栓孔紧固顺序的说法正确的是?___
A. 直线线路的接头螺栓紧固顺序为:先紧1、6位,再紧3、4位,最后紧2、5位
B. 曲线线路的接头螺栓紧固顺序为:先紧1、6位,再紧2、5位,最后紧3、4位
C. 曲线线路的接头螺栓紧固顺序为:先紧1、6位,再紧3、4位,最后紧2、5位
D. 无所谓紧固先后顺序,拧上就行
【多选题】
下列关于铁垫板说法正确的___?
A. 垫板应放在枕木中间、位置正确、平整的位置
B. 不同轨底坡的铁垫板不得混合使用
C. 垫板外肩要与轨底密靠,空隙不超过2mm
D. 铁垫板随便放置,只要能安装在轨枕上就可以
【多选题】
下列关于更换铁垫板注意事项说法正确的是?___
A. 作业前,需在施工区域前后50m外设置红闪灯
B. 拿取、安放、整正铁垫板时,严禁将手伸人轨底
C. 作业注意瞭望,来车时按规定距离下道
D. 更换铁垫板是比较简单的作业,只要不把手放入轨底,就一定不会发生安全事故
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