相关试题
【单选题】
常用于杆类、梯类登高作业的安全带为（）安全带。___
A. 腰带式
B. 全身式
C. 半全身式
D. 以上都不是
【单选题】
超过20分钟魔百和认证仍不能成功后，需提供（）工单编码、账号、终端SN/STBID上报处理。___
A. 用户姓名
B. 用户地址
C. 用户光猫
D. 绑定手机号码
【单选题】
出现Ping丢包现象，不可能出现（）。___
A. 上网断线
B. 网页打开缓慢
C. 发送接收邮件速度慢
D. 视频收看正常
【单选题】
错误619代表的问题是()___
A. 与ISP服务器不能建立连接
B. 网卡没有正确响应
C. 远程计算机没有响应，断开连接
D. 输入的用户名和密码不对，无法建立连接
【单选题】
当通信线路与电力线接触时，需由专人采取措施排除安全隐患，隐患未排除前，不得（）。___
A. 停止作业
B. 恢复作业
C. 连续作业
D. 以上都不对
【单选题】
当网络出现Ping丢包现象时，下列说法不正确的是（）。___
A. 上网断线
B. 网页打开缓慢
C. 发送接收邮件速度慢
D. 视频收看正常
【单选题】
到达用户所在地时，如无人应答且与用户联系不上，正确地做法是（）。___
A. 应与物业或邻居说明原因后方可离去
B. 应在留下到访留言后方可离去
C. 应一直等到用户为止
D. 立即离去
【单选题】
登杆前，必须对与电杆相关联设施先（）、后作业。___
【单选题】
登高作业脚扣环的大小要根据电杆的（）适当调整。___
【单选题】
登高作业时（）将脚扣挂在杆上或吊线上。___
A. 可以
B. 在确保安全的情况下可以
C. 杆下无人时可以
D. 严禁
【单选题】
登高作业中不得在梯子上或其它高处（）的地方休息、打电话。___
A. 无遮拦
B. 无人停留
C. 无人作业
D. 无人检查
【单选题】
登空作业时，应将暂不使用的工具放在（）内，防止工具、材料坠落伤人。___
A. 口袋
B. 工具包
C. 光交箱
D. 分纤箱
【单选题】
登梯前要检查梯子的安全性，特别是注意底部的（）以及伸缩梯的锁固机构是否完好。___
【单选题】
电动车搭载人数超过1人，这种交通违法行为叫做（）。___
【单选题】
电动工具的电源线不应任意接长或更换，维修和检查时应由（）负责。___
A. 作业人员
B. 技术人员
C. 管理人员
D. 专业人员
【单选题】
电脑主机的网卡MAC地址由（）个比特构成。___
【单选题】
电气设备着火时，第一步应该采取的操作是（）。___
A. 人员撤离
B. 搬开设备
C. 切断电源
D. 用灭火器灭火
【单选题】
电视机顶盒连接显示无信号，以下处理方法错误的是：___
A. 确认机顶盒时开机状态
B. 请检查机顶盒与电视机信号连接线是否正确，检查信号源中的输入模式和插线的位置是否一致。如果确认都没有问题，可以使用电视机遥控器上面的切换键切换一下，如未恢复建议更换信号连接线测试
C. 将机顶盒换到其他电视机试试，如测试正常证明电视机问题；如仍无显示请更换机顶盒
D. 核对魔百和业务是否到期
【单选题】
蝶形引入光缆穿越墙体的两端应留有一定的弧度，以保证光缆的弯曲（）。___
【单选题】
对百度网站进行延时测试，执行（）命令即可。___
A. nslookupwww.baidu.com–t
B. pingwww.baidu.com–t
C. tracertwww.baidu.com–t
D. netstatwww.baidu.com–t
【单选题】
对常用交通工具的最基本要求是（）良好___
【单选题】
对于互联网出口中断或网络割接导致的用户无法上网问题，以下解释正确的是：___
A. 应做如下解释：您好！网络正在进行升级优化，以便给您提供更好的服务。预计**时间可恢复，给您带来不便，敬请谅解。
B. 您好！您在高峰时段访问互联网会出现网速慢的情况，我们已做好记录并保持跟踪。目前我司正在协调相应的可用资源来缓解该问题，处理完毕后我们会及时与您联系。
C. 您好，经检查该网速慢的故障非我公司问题造成，麻烦自行解决。
D.
【单选题】
对于客户不符合安全规范的装机要求，工作人员下列做法错误的是（）。___
A. 应提醒客户
B. 若客户不采纳，则应在工单或验收报告中明确说明
C. 与客户明确免责条款
D. 口头解释原因，无须客户签名确认
【单选题】
对于无法及时开通的装机工单应及时上报并（）。___
A. 向用户解释
B. 将线路拆除
C. 将设备拆除
D. 将用户设置还原
【单选题】
二级分光器入端二维码标签应粘贴于二级分光器芯入端。距端口与线缆连接处（）cm的线缆部分。___
【单选题】
发生火灾时，应第一时间紧急拨打电话（）。___
A. 119
B. 122
C. 110
D. 114
【单选题】
发生交通事故，首先要做好事故现场的秩序维护、遇难人员营救、必要的公众隔离、保证交通畅通等，并拨打电话（）。___
A. 119
B. 122
C. 110
D. 114
【单选题】
方案库工单的处理结果分为已解决及非我公司网络原因和（）。___
A. 暂无法解决
B. 无需解决
C. 计划解决
D. 预约解决
【单选题】
放在客户端提供宽带网络接入能力的有源设备有不包括（）。___
A. MODEM
B. 光端机
C. OLT
D. 路由器
【单选题】
分光器1:16的衰耗()db___
A. 7.2
B. 10.5
C. 13.5
D. 16.5
【单选题】
分光器1:4的衰耗()db___
A. 7.2
B. 10.5
C. 13.5
D. 16.5
【单选题】
分光器1:8的衰耗()db___
A. 7.2
B. 10.5
C. 13.5
D. 16.5
【单选题】
服务过程中涉及到的高空作业，必须由具有（）作业证的相关人员操作。___
【单选题】
高温下工作时间不宜过久，尽量多补充盐水和（）。___
A. 碱水
B. 含盐饮料
C. 冰水
D. 热水
【单选题】
根据工信部标准，1:4的分光器的插入损耗不得大于（）dB。___
A. 3.9
B. 7.4
C. 10.7
D. 13.9
【单选题】
工程挂测中，要求新建小区每PON口下至少挂测成功（）台末端设备，PON口下发起的所有挂测任务必须全部成功。___
【单选题】
故障处理常用方法：一分析、二测试、三（）。___
【单选题】
故障处理完毕后，应在客户端继续观察（）分钟。___
【单选题】
光分纤箱二维码标签应粘贴于光分纤箱箱体门板（）位置。___
A. 外部右方
B. 外部上方
C. 内部右方
D. 内部上方
【单选题】
光功率计上的dB表示（）？___
A. 相对功率值
B. 绝对功率值
C. 相对电平值
D. 绝对电平值
推荐试题
【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
【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
