【单选题】
华为的OLT和ONU在衰减预算方面采用哪种标准( )___
A. Class A
B. Class B
C. Class B+
D. Class C
E.
F.
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相关试题
【单选题】
可以运行在不同操作系统上的网管软件有：___
A. T2000
B. B. RMS
C. C. NES
D. D. RMS+
E.
F.
【单选题】
STP生成树计算的第一步是 ___
A. 选举非根交换机的根端口
B. 选举根交换机
C. 选举网段的指定端口
D. 以上都不是
E.
F.
【单选题】
华为交换机重新启动交换机的命令为（）___
A. reboot
B. reset
C. save
D. return
E.
F.
【单选题】
华为设备最常见的两类告警是R-LOS告警和T-ALOS告警，其中当（ ）发光或收光很低时会上报R-LOS告警.一般由于光缆、光纤断，对端光板发光模块、本端光板收光模块不正常所造成. ___
A. SDH电口
B. SDH光口
C. 2M口
D. 155M口
E.
F.
【单选题】
滑动产生的原因在于（）___
A. 收发信号频差太大
B. 重定时相差累积超限
C. 滑动缓冲区太小
D.
E.
F.
【单选题】
路由器什么功能致网络数据分组延迟？（ ）___
A. 应用和介质
B. B．路径选择和交换
C. C．广播和冲突检测
D. D．以上都不是
E.
F.
【单选题】
环回法，是SDH传输设备定位故障最常用，最行之有效的一种方法。( )___
【单选题】
徽章式工号牌应该佩戴在哪个位置.（ ）___
A. 右胸上口袋处或不低于衬衫第三粒钮扣处
B. 左胸上口袋处或不低于衬衫第三粒钮扣处
C. 左胸上口袋处
D. 右胸上口袋处
E.
F.
【单选题】
火灾自动报警系统主电源的保护开关不应采用（ ）___
A. 隔离开关
B. 熔断器
C. 漏电保护开关
D. 自动空气开关
E.
F.
【单选题】
机房内部设备接地使用（）___
A. 红色电源线
B. B、黄色电源线
C. C、黑色电源线
D. D、黄绿色电源线
E.
F.
【单选题】
机柜顶端红灯亮，此时设备上有（ ）___
A. 紧急告
B. B、主要告警
C. C、次要告
D. D、没任何告警
E.
F.
【单选题】
机柜顶红灯亮是由于设备发生了（）___
A. 紧急告警
B. 主要告警
C. 次要告警
D. 提示告警
E.
F.
【单选题】
机柜内业务线路开通时，应按如下规范实施___
A. 电源线缆接入空开
B. B、强电/弱电分别走线
C. C、光纤不能与网线绑扎在一起
D. D、以上都是
E.
F.
【单选题】
站点路由算法（ ）经过该站点。___
A. 允许经过
B. 不允许经过
C. 以上都不对
D.
E.
F.
【单选题】
机柜内业务线路开通是，应按如下规范实施___
A. 电源线缆接入空开
B. 强电/弱电分别走线
C. 光纤不能与网线绑扎在一起
D. 以上都是
E.
F.
【单选题】
机柜外接电源线有三种，（ ）色线是-48V引入线___
A. 蓝色
B. 黑色
C. 黄色
D. 黄绿相间
E.
F.
【单选题】
路由器转发分组是根据报文分组的___
A. 端口号；
B. B、M
C. C地址； C、IP地址；
D. D、域名。
E.
F.
【单选题】
基础通信类集团客户可提供的最高客户服务等级为金牌级，其中金牌级数量应不超过集团客户总数的______（不含省级集团客户）。___
A. 0.03
B. B.5%
C. C.10%
D. D.15%
E.
F.
【单选题】
基于MPLS标签最多可以标示出( )类服务等级不同的数据流。___
A. 4
B. 8
C. 16
D. 32
E.
F.
【单选题】
基于WEB认证测试：在热点覆盖区域内不同地点使用用户名+密码方式进行（ ）DHCP+WEB认证，记录是否认证成功。___
A. 20次
B. 10次
C. 1次
D. 2次
E.
F.
【单选题】
集团客户（ ）收到客户订单后会产生一个定单，并将定单发送给业务开通系统。___
A. BOSS
B. OA
C. EOMS
D. IMEP
E.
F.
【单选题】
集团客户（专线和非专线业务）业务保障服务的分级要求中规定普通级业务中断修复时限为（ ）小时.___
A. 2
B. 4
C. 8
D. 12
E.
F.
【单选题】
集团客户投诉受理热线受理客户投诉后，。对（ ）业务故障，如涉及多个部门、多个地市公司，则无需进行预判断即可分派给所有相关部门同时处理。___
A. AAA级
B. A级
C. 普通级
D.
E.
F.
【单选题】
集团客户投诉受理热线为7×24小时投诉受理热线，受理（ ）客户的投诉。___
A. 金牌级
B. AAA级
C. 重要级
D. 所有级别
E.
F.
【单选题】
集团客户网络服务等级协议规定金牌级客户提出故障申告时起，需按照（）的要求进行故障处理反馈。___
A. 每30分钟主动向客户阶段反馈故障处理情况
B. B.故障处理完成后30分钟内向客户口头反馈故障原因和处理结果
C. C.故障修复2个工作日内需主动提供故障报告
D. D.故障修复3个工资日内进行一次现场巡检
E.
F.
【单选题】
TCP/IP模型由下到上依次是（ ）___
A. 网络接口层、传输层、网络层、应用层
B. 网络接口层、网络层、传输层、应用层
C. 传输层、网络接口层、网络层、应用层
D. 应用层、传输层网络、网络层、接口层
E.
F.
【单选题】
集团客户网络服务等级协议规定普通级的跨省数据专线故障恢复时限为（）___
A. 2小时
B. 3小时
C. 4小时
D. 8小时
E.
F.
【单选题】
VC通道是（）的系统管理的传输资源。___
A. SON
B. ION
C. ASON
D. SDH
E.
F.
【单选题】
路由选择属于OSI参考模型的哪一层（ ）___
A. 物理层
B. 数据链路层
C. 网络层
D. 传输层
E.
F.
【单选题】
集团客户网络服务等级协议规定银牌级客户的跨地市数据专线业务保障等级为___
A. 普通级
B. B.AAA级
C. C.AA级
D. D.A级
E.
F.
【单选题】
集团客户业务的网络服务级别（以下简称业务的网络服务级别）是从政企业务对网络的技术性需求和依赖程度，以及集团客户对业务保障的重视关注程度和支出能力等角度来划分的，具体分为AAA级、AA级、A级和（ ）四个级别___
A. 普通级
B. B、钻石级
C. C、重要级
D. D、一般级
E.
F.
【单选题】
集团客户业务范围是指由我公司向集团客户提供的基础通信，其集团规范的业务类型不包括（ ）___
A. 语音专线
B. 本地专线
C. 数据专线
D. 互联网专线
E. 集团短、彩信
F.
【单选题】
集团客户综合代维范围主要包括移动公司自有产权的( )两部分___
A. 集团客户传输接入类设备、应用终端类设备
B. 集团客户语音业务设备、集团客户互联网业务设备
C. 集团客户输接入类设备、延伸服务界定的设备和线路
D.
E.
F.
【单选题】
集团网络部监控处，在（ )受理资源查勘工单后，针对每个子任务工单反馈一干电路查勘结果。可直接通过页面链接，调用电路调度系统，进行一干资源查勘。___
A. BOSS
B. OA
C. EOMS
D. IMEP
E.
F.
【单选题】
集团专线出现全局性故障时首先要判断（ ）___
A. 传输是否正常
B. 设备是否正常
C. 设置是否正常
D. 使用是否正常
E.
F.
【单选题】
集团专线交维规范中，要求从全业务机房/基站到客户端之间的中间跳纤节点不得超过以下标准：业务保障等级为AAA、AA级专线的跳纤点不得超过（ ）个，A级专线的跳纤点不得超过（ ）个，普通级专线的跳纤点不得超过（ ）个.___
A. 2,2,2
B. 2,3,4
C. 2,4,6
D. 3,4,5
E.
F.
【单选题】
集团专线交维环节中，建设方不一定需要提供的报表为（ ）___
A. 集团客户开户申请单
B. 建设方案
C. 电路调单、PON局数据申请单
D. 设备清单
E.
F.
【单选题】
集中供电的优缺点不正确的是()___
A. 便于集中管理
B. 污染小
C. 线路压降大
D. 传输损耗小
E.
F.
【单选题】
TCP/IP体系结构中的TCP和IP所提供的服务分别为( )___
A. 链路层服务和网络层服务
B. 网络层服务和运输层服务
C. 运输层服务和应用层服务
D. 运输层服务和网络层服务
E.
F.
【单选题】
每个GPON口下最多只能注册（ ）个ONU___
A. 32
B. 64
C. 128
D. 只要光功率允许就可以无限多个
E.
F.
推荐试题
【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
【多选题】
What are two options for running Cisco SDM?___
A. Running SDM from a mobile device
B. Running SDM from within CiscoWorks
C. Running SDM from a router's flash
D. Running SDM from the Cisco web porta
E. Running SDM from a PC
【多选题】
Which two options are the primary deployment modeles for mobile device management？___
A. multisite
B. cloud-based
C. on premises
D. hybrid cloud basedo
E. single site
【多选题】
Drag the recommendation on the left to the Cryptographic algorithms on the right， Options will be used more than once.___
A. Avoid——————————————DES，MD5
B. Legacy——————————————SDES，SHA1，HMAC-MD5
【多选题】
Which two are valid types of vLans using PVLANS ?___
A. Community VLAN
B. Backup VLAN
C. Secondary VLAN
D. Isolated VLAN
E. Isolated VLAN
【多选题】
Which two commands are used to implement Resilient lOS Configuration ___
A. Secure boot-config
B. copy running-config tftp
C. copy flash:ios bin tftp
D. copy running-config startup-config
E. secure boot-image
【多选题】
Which two types of firewalls work at layer 4 and above ？___
A. Stateful inspection
B. Network Address Translation
C. Circuit-Level gateway
D. Static packet filter
E. Application Level firewall
【多选题】
Which two default settings for port security are true ？___
A. Violation is Protect
B. Violation is Restrict
C. Violation is Shutdown
D. Maximum number of MAC addresses is 2
E. Maximum number of MAC addresses is 1
【多选题】
Which two are characteristics of RADIUS？___
A. Uses UDP ports 1812 /1813
B. Uses TCP port 49
C. Uses UDP port 49
D.
E. ncrypts only the password between user and server
【多选题】
When setting up a site-to-site VPN with PSK authentication on a Cisco router， which two elements must be configured under crypto map？___
A. pfs
B. nat
C. reverse route
D. peer
E. transform-set
【多选题】
When using the Adaptive Security Device Manager（ASDM), which two options are available to add a new root certificate？___
A. Install from SFTP server
B. Usehttps
C. Install from a file
D. Use LDAP
E. Use SCEP
【多选题】
Which two SNMPv3 services support its capabilities as a secure networ k manage protocol？ ___
A. access control
B. the shared secret key
C. authentication
D. authorization
E. accounting
【多选题】
Which two statements about routed firewall mode are true ？___
A. The firewall acts as a routed hop in the network
B. This mode conceals the presence of the firewall
C. The firewall requires a unique iP address for each interface
D. This mode allows the firewall to be added to an existing networ k with minimal additional configuration By default， this mode permits most traffic to pass throug
【多选题】
Which two statements describe DHCP spoofing attacks？___
A. They are used to perform man-in- the-middle attacks
B. They can access most network devices
C. They can modify the flow of traffic in transit. LNGKAIG
D. They protect the identity of ti attacker by masking the DHCP address
E. They can physically modify the network gateway
【多选题】
Which two types of VLANs using PVLANs are valid？___
A. isolated
B. promiscuous
C. backup
D. secondary
E. community
【多选题】
What are two limitations of the self-zone policies on a zone-based firewall？___
A. They are unable to block Https traffic
B. They restrict SNMP traffic.
C. They are unable to support Https traffic
D. They are unable to implement application inspection
E. They are unable to perform rate limiting
【多选题】
Which two descriptions of TACACS+ are true？ ___
A. The TACACS+ header is unencrypted
B. It combines a uthentication and authorization
C. It uses TCP as its transport protocol
D. Only the password is encrypted.
E. It uses UDP as its transport protocol.
【多选题】
Which two actions does an IPS perform？ ___
A. it spans the traffic
B. it reflects the traffic back to the sender
C. it encrypts the traffic
D. it terminates the user session or connection of the attacker
E. it reconfigures a device to block the traffic
【多选题】
In which form of fraud does an attacker try to learn information such as login credenti account information by ma squerading as a reputable entity or person in email， IM or communication channels ?___
A. phishing
B. Smurfit
C. Hacking
D. Identity Spoofing
【多选题】
Which two ESA services are available for incoming and outgoing mails ？___
A. anti-DoS
B. reputation filter
C. antispam
D. content filter
E. DLP
【多选题】
What are two reasons to recommend SNMPv 3 over SNMPv2？___
A. SNMPv3 is secure because you can configure authe ntication and privacy
B. SNMPv3 is insecure because it send in formation in clear text
C. SNMPv2 is insecure because it send information in clear text
D. SNMPv3 is a Cisco proprietary protocol
E. SNMPv2 is secure because you can configure authentication and privacy
【多选题】
Which two actions can a zone- based firewall apply to a packet as it transits a zone pair？___
A. drop
B. inspect
C. queue
D. quarantine
【单选题】
Which security principle has been violated if data is altered in an unauthorized manner？___
A. accountability
B. confidentiality
C. availability
D. integrity
【单选题】
Which IKE Phase 1 parameter can you use to require the site-to-site VPN to use a pre-shared ？___
A. encryption
B. authentication
C. group
