【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
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相关试题
【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？___
【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
【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
推荐试题
【多选题】
混凝土礓蹉坡道面层表面洁净，无___现象。
【多选题】
钻机设备放置在边坡上施工，应采取措施防止___，雨天施工时应有防滑措施。
【多选题】
施工单位应由质检人员对工程质量进行检验，由___应对工程质量进行监督和检查。
A. 建设单位
B. 监理机构
C. 施工单位
D. 设计单位
【多选题】
铺设后管线___断面位置应符合设计要求。
【多选题】
导向孔轨迹测量应采用导向仪随钻测控___等基本参数。
A. 深度
B. 顶角
C. 方位角
D. 工具面向角
【多选题】
工程竣工验收应在施工单位自检合格后进行由___等单位共同参与完成。
【多选题】
定向钻铺管工程应严格执行现行的国家基本建设程序。勘察工作是为___和（）提供可行性依据。查明施工地段既有地下管线是为施工安全做保障。
【多选题】
定向钻铺管对使用的管材材质有严格要求，因此使用的管材质量应符合国家有关___及()。
A. 现行标准
B. 规范
C. 相关规定
D. 技术规范
【多选题】
泥浆被称为定向钻施工的“血液”。根据不同的地层条件，有针对性配制泥浆。施工过程中泥浆性能应随时监控和调整。泥浆的___随着工程情况变化，随时加以改进、调整，所配制的泥浆应符合环保要求，安全防护，文明施工。
A. 粘度
B. 配浆用水的PH值
C. 某些添加剂
D. 湿度
【多选题】
定向钻铺设地下管线为市政设施的一部分。施工场地的周围___等不能受到损坏。工程设计和施工都必须围绕着保证原建筑物安全的情况下进行。
A. 地表
B. 桥梁
C. 公路、铁路
D. 其他地下管线等建筑物
【多选题】
定向钻铺管是一个技术含量比较高的行业，所以对___等单位的资质必须有严格的要求。对施工操作人员也必须有严格的要求。
【多选题】
无论采用哪一种探测方法，既有地下管线都应在___中得到复核。
A. 地面标志物
B. 检查井
C. 闸门井
D. 仪表井
【多选题】
初步勘察是___和（），进行工程地质的初步调查，对拟选线路方案的岩土工程条件作出初步评价。
A. 收集资料
B. 现场勘察
C. 技术措施
D. 现场踏勘
【多选题】
定线勘察阶段是查明沿线___，提出设计参数，确定穿越线路。
A. 工程地质
B. 水文地质条件
C. 环境对金属管道的腐蚀程度
D. 走向图
【多选题】
优化穿越线路，在场地条件允许的情况下，应___且（）穿越障碍物，减少地下占用空间；在有利轨迹设计、施工的情况下降低工程造价。
【多选题】
工作井技术要求： 井盖应设置二层子盖，并符合 GB/T 23858 的要求，尺寸标准化，具有___、（）、（）、防滑 、防位移、防坠落等功能；
【多选题】
___的综合会审，是保证工程统一管理的重要措施。
A. 施工图件
B. 相关技术内容
C. 设计图件
D. 技术措施
【多选题】
定向钻铺设直径在___以内的钢管多采用一定厚度的钢板先卷成圆筒，然后再焊接成型，最后再（）。
A. 1.0米
B. 2.0米
C. 作圆
D. 拉直
【多选题】
韧性是指钢管材塑性___和()过程中吸收的能量。
【多选题】
定向钻铺设PE管的设计内容包括：___的设计。
A. 管材运输
B. 焊接
C. 铺设工艺
D. 焊接工艺
【多选题】
为使生产管能顺利拉入孔内，管道的___和导向孔钻杆的()应相一致，避免两角度相左，造成刮孔和增大摩擦力。
A. 入土角
B. 出土角
C. 入射角
D. 出射角
【多选题】
电气操作人员（电工）应穿戴由绝缘材料制成的20KV（最小）的电力___；
A. 工作服
B. 工人靴
C. 手套
D. 安全帽
【多选题】
施工人员不应穿过于宽松的___，以免被机器卷入或牵绊；上岗必须佩戴安全帽。
【多选题】
合理安排电缆段长，尽量减少电缆接头的数量，严禁在变电站___等区域布置电力电缆接头。
A. 电缆夹层
B. 出站沟道
C. 竖井
D. 50米及以下桥架
【多选题】
___电缆非开挖定向钻拖拉管（）工作井不宜布置电力电缆接头。
A. 110kV
B. 220kV
C. 两端
D. 前端
【多选题】
电缆通道及直埋电缆线路工程应严格按照___施工，并同步进行竣工测绘，非开挖工艺的电缆通道应进行三维测绘。应在投运前向运维部门提交竣工资料和图纸。
A. 相关标准
B. 设计要求
C. 施工标准
D. 施工要求
【多选题】
投运___年及以上的非地下变电站接地网，应定期开挖（间隔不大于 5 年），抽检接地网的腐蚀情况，每站抽检（）个点。铜质材料接地体地网整体情况评估合格的不必定期开挖检查。
A. 5
B. 10
C. 5～8
D. 10～15
【多选题】
为防止地网中的大电流流经电缆___，应在开关场二次电缆沟道内沿二次电缆敷设截面积不小于100mm2的专用铜排（缆）。
A. 屏蔽层
B. 绝缘层
C. 100mm2
D. 200m2
【多选题】
专用铜排（缆）的一端在开关场的每个就地___处与主地网相连，另一端在（）的电缆沟道入口处与主地网相连，铜排不要求与电缆支架绝缘。
A. 端子箱
B. 保护室
C. 接地箱
D. 接地室
【多选题】
新投运变电站不同站用变压器低压侧至站用电屏的电缆应尽量___同沟敷设，对无法避免的，则应采取（）措施。
A. 使用
B. 避免
C. 封堵措施
D. 防火隔离
【多选题】
交直流回路（）共用一根电缆，控制电缆___与动力电缆并排铺设。对不满足要求的运行变电站，应采取加装防火隔离措施。
【多选题】
直流电源系统应采用()。两组及以上蓄电池组电缆，应分别铺设在各自独立的通道内，并尽量沿___路径敷设。在穿越电缆竖井时，两组蓄电池电缆应分别加穿金属套管。对不满足要求的运行变电站，应采取防火隔离措施。
A. 阻燃电缆
B. 最短
C. 普通电缆
D. 最长
【多选题】
变压器中、低压侧至配电装置采用电缆连接时，应采用___电缆；运行中的（）电缆，应结合全寿命周期及运行情况进行逐步改造。
A. 单芯
B. 三芯
C. 三相绕包
D. 三相统包
【多选题】
全电缆线路禁止采用重合闸，对于含电缆的混合线路应根据电缆线路___等实际情况采取停用重合闸等措施，防止变压器连续遭受短路冲击。
A. 距离入口的位置
B. 电缆的长度
C. 距离出口的位置
D. 电缆线路的比例
【多选题】
扩孔的目的是将孔径扩大至能容纳所要铺设的生产管线大小要求，最终扩孔直径大小应根据___和（）确定。
A. 地形条件
B. 生产条件
C. 地层条件
D. 生产管道类型
【判断题】
开挖技术是在不开挖地表的条件下或以最小的地表开挖工作量进行各种中小直径地下管线铺设、更换、修复和定位的施工技术。
【判断题】
水平定向钻孔是利用水平定向钻机以不可控钻孔轨迹的施工方法，在相同地层和深度进行钻进，通过导向系统使钻头沿着设计方向（轨迹）钻进并到达设计位置出口。
【判断题】
起始工作坑是为水平定向钻进施工导向孔、扩孔钻进及拉管就位存储、回收泥浆和确定起始入口位置而开挖的工作坑。
【判断题】
出口工作坑是为回收、储存水平定向钻进施工中排出的泥浆和确定出口位置而开挖的工作坑。
