【判断题】
利用WIFI分析仪可以测试指定无线热点的信号强度，－40代表信号最强，－100信号最弱，无线信号强度的临界值为-65。
查看试卷，进入试卷练习
微信扫一扫，开始刷题
相关试题
【判断题】
在所有智能家居的无线组网技术中，蓝牙技术的传输速率最大。
【判断题】
802.11n 技术可以将相邻的两个20MHz信道绑成40MHz使用
【判断题】
当用户家庭中存在多个AP时，建议对于覆盖区域不重叠的AP 配置相同的SSID及密码，便于用户使用
【判断题】
针对FTTH场景，当光猫工作在路由模式下时其下挂的HGW及其他组网设备应当尽量工作在桥接模式下
【判断题】
WiFi分析仪是一种常见的WiFi网络分析工具，不仅可以分析WiFi信号强度，也可以对WiFi进行测速
【判断题】
家庭网关的所有LAN口作用都是相同的，任意一个LAN口都可以连接机顶盒承载IPTV业务
【判断题】
使用中继器中继WiFi信号时，要将中继信号的SSID设置为与现有被中继的信号的SSID相同。
【判断题】
为了简化家庭网络整体部署方案，提高光猫的WiFi覆盖效果，光猫设备应尽量部署在门口位置。
【判断题】
调整信道和调节发射功率是WiFi网络优化的2种常用方式。
【判断题】
WiFi中继器可以增强被中继的WiFi信号的强度
【判断题】
WiFi中继器只能增加被中继的WiFi信号的覆盖范围，并不能增强原信号的信号强度
【判断题】
WPA提供了比WEP更安全的加密方式。
【判断题】
无线传输过程中，信号穿过门、窗时不会造成信号的衰减。
【判断题】
AP可以通过POE交换机进行供电和数据传输。
【判断题】
做网桥使用时，需要相互添加MAC地址，即对端的MAC地址。
【判断题】
AP的天线与转接头相连时，如果天线接口与转接头接口都是母头，则无线信号会减弱。
【判断题】
802.11n不可以向下兼容802.11a/b/g。
【判断题】
无线路由器能够实现跨网段通信，并配置DHCP业务。
【判断题】
多个胖AP组网时，每个AP默认发射相同名称的无线SSID，并支持无线漫游。
【判断题】
物联mini网关使用的是ZigBee协议连接公网
【判断题】
不同厂家设备之间不能互通，在实际应用中，建议一个区域只用一个厂家的集中控制型AC+AP设备。
【判断题】
电力猫设备即插即用，一个近端设备可以配对任意多个远端设备
【判断题】
电力猫可作为路由器的扩展，母猫WAN口通过连接路由器LAN口，并通过电力线传输载波信号到子猫处，实现区域的有线和无线覆盖。
【判断题】
无线控制由于其免布线，移动性强，升级方便等特点更符合智能化的需求和趋势。
【判断题】
无线路由器适用于小户型、部署点无网口用户主要解决无线覆盖（对速率要求不高）的场景。
【判断题】
延伸服务施工中发现客户端无内线或内线不通，客户又不愿意布明线时，可以建议购买电力猫，通过电力线路传输网线信号，避免二次布线。
【判断题】
用户家中只布有同轴电缆，在不布放明线的情况下，建议采用EOC组网技术，通过一对EOC转换器将以太网信号通过同轴电缆进行传输。
【判断题】
AC+AP组网方式的优点包括：AP面板美观便捷，可实现无缝漫游，AP统一管理，组网成本较低。
【判断题】
AP可以通过POE交换机进行供电和数据传输。
【判断题】
AP天线安装位置的确定应使信号在目标覆盖区内尽可能少穿透隔断、穿透时与隔断垂直，减少信号衰减。
【判断题】
WDS技术是无线路由器之间通过有线桥接延伸网络覆盖。
【判断题】
对比蓝牙和WiFi协议，Zigbee协议安全性最高。
【判断题】
ZigBee技术的网络容量大，最大可容纳10个设备，时延短，通常保持在15-30ms，有效覆盖范围10-75米。
【判断题】
Zigbee无线通信技术标准的传输距离一般是1-75m，使用8位的网络表示符来标识同一个网络
【判断题】
不通过路由器联网，也可以实现局域网内的智慧家庭功能。
【判断题】
用户家有电源、无网线场景下，建议采用电力猫组网技术，通过增设电力猫设备，将以太网信号通过家中电线传输.
【判断题】
用户家有网线、有电源场景下，建议采用POE反向供电技术，运用室内五类线给电信终端供电.
【判断题】
用户家中只有有线电视线可以使用WOC进行无线覆盖。
【判断题】
在智慧家庭组网中，无线设备使用SSID数目越来越少。
推荐试题
【单选题】
)，并了解他们考虑的一些问题。这些问题一般不包括___。
A. ：他们对将要讨论的事项了解多少
B. ：他们需要什么，又想要知道什么
C. ：他们的艺术水平和欣赏能力如何
D. ：他们将如何利用分析展示的信息
【单选题】
信息处理技术员资格考试的试卷包括信息处理基础知识、计算机基础知识、法律法规知识、专业英语、办公软件使用技能五个方面。某次考试后，对这五个方面分别统计了各考生的得分率以及全国的平均得分率。为了直观展现每个考生在各个方面的水平以及该考生的整体水平，并与全国平均水平进行比较，宜采用___。
A. ：直方图
B. ：圆饼图
C. ：折线图
D. ：雷达图
【单选题】
The___ is the primary device for entering information into the computer
A. ：disk
B. ：printer
C. ：keyboard
D. ：memory
【单选题】
___ system let you run more tlian one program at a time
A. : Application
B. :Software
C. : Real time
D. :Multitask
【单选题】
Small business may use___ for word processing
A. : microcomputers
B. :industrial computers
C. : mainframe computers
D. :supercomputers
【单选题】
Once you've made the Internet connection, you can send___ to any of computer user all around the w orld
A. ：e-mail
B. :WWW
C. ：ccc
D. ：web station
【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
【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？___
【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
