【单选题】
对以FTTB模式接入移动宽带的用户来说，理论上ONU至用户终端的布线距离不应超出（ ）米为宜.___
A. 100
B. 20
C. 150
D. 70
E.
F.
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相关试题
【单选题】
对于ONU的语音业务优先级默认为___
A. 0
B. 3
C. 5
D. 7
E.
F.
【单选题】
对于附加业务，通常所说的SIP MODE2指的是（ ）___
A. Loose Couple Mode
B. Tight
C. ouple Mode C.
D.
E.
F.
【单选题】
Cache缓存特点（）___
A. A.多次外网访问，多次内网服务
B. B.一次外网访问，多次内网服务
C. C.一次外网访问，一次内网服务
D. D.多外网访问，一次内网服务
E.
F.
【单选题】
对于巡检中发现的问题,应该如何处理（ ）___
A. 留待下次巡检解决
B. 一定要现场解决完毕，才能巡检下一个点
C. 可隐瞒不报
D. 可以解决的，则在现场整改，不能解决的，应及时向移动公司反馈
E.
F.
【单选题】
对语音来说，信令流需要软交换平台处理，RTP流不需要（ ）___
【单选题】
二层交换机出现故障拨号提示什么错误代码.（ ）___
A. 691
B. 678
C. 674
D. 676
E.
F.
【单选题】
二级分光应用中的网络拓扑概念是指（ ）___
A. 分光器级联分光器
B. 分光器上有两个下行口
C. 分光器上联有两个口
D. PON口下有两个分光器
E.
F.
【单选题】
二纤单向通道保护环的网络容量是（ ）___
A. MSTM-N
B. M/2�STM-N
C. STM-N
D. STM-N/2
E.
F.
【单选题】
对7353用户进行限速，限速策略配置好后，需要绑定到下面（ ）个参数上:___
A. VLANPORT
B. LOGPORT
C. VLAN
D.
E.
F.
【单选题】
法兰引入的插损（ ）db/个.___
A. 0.5
B. 3
C. 0.25
D. 1
E.
F.
【单选题】
负责用户大楼或小区内用户驻地网的日常维护，包括驻地网内的配线光纤。___
A. 无线专业
B. 传输专业
C. 全业务专业
D. 动力专业
E.
F.
【单选题】
负责用户大楼或小区内用户驻地网的日常维护，包括驻地网内的配线光纤。___
A. 无线专业
B. 传输专业
C. 全业务专业
D. 动力专业
E.
F.
【单选题】
杆距超过（ ）米属飞线，需加辅助吊线，电杆为H杆.___
A. 100
B. 200
C. 300
D. 500
E.
F.
【单选题】
各省公司应以（ ）等形式明确与代维公司的安全生产职责.___
A. 安全生产协议
B. 安全生产责任书
C. 安全管理制度
D. 安全生产承诺书
E.
F.
【单选题】
IEEE 802.1协议簇中的哪一个协议，定义了以太网中不同的优先级.（ ）___
A. IEEE 802.1x
B. IEEE 802.1p
C. IEEE 802.11n
D. IEEE 802.1q
E.
F.
【单选题】
CHAP认证需要几次握手___
A. 2
B. 3
C. 4
D. 5
E.
F.
【单选题】
根据《中国移动集团客户网络服务等级协议（SLA）规范（2014年修订版）》业务开通时限要求，标准级MPLS VPN专线地市内时限为（ ）___
A. 15天
B. 18天
C. 12天
D. 11天
E.
F.
【单选题】
根据《中国移动集团客户网络服务等级协议（SLA）规范（2014年修订版）》业务开通时限要求，标准级互联网专线地市内时限为（ ）___
A. 9天
B. 8天
C. 13天
D. 11天
E.
F.
【单选题】
根据《中国移动集团客户网络服务等级协议（SLA）规范（2014年修订版）》业务开通时限要求，标准级互联网专线跨省时限为（ ）___
A. 9天
B. 10天
C. 14天
D. 11天
E.
F.
【单选题】
对Metro3000设备TPS保护描述正确的是：___
A. 可以支持2M/34M混合保护
B. 对34M支路板保护时，保护板只能位于16槽位
C. 被保护板必须是后出线，有接口板的单板，例如EFS0
D. 如果是2M/155M混合保护，只能16板位插155M的保护板，1板位插2M的保护板
E.
F.
【单选题】
根据《中国移动集团客户网络服务等级协议（SLA）规范（2014年修订版）》业务开通时限要求，标准级语音专线（不含专线接入）时限为（ ）___
A. 5天
B. 3天
C. 4天
D. 2天
E.
F.
【单选题】
根据《中国移动集团客户网络服务等级协议（SLA）规范（2014年修订版）》业务开通时限要求，标准级语音专线（含专线接入）时限为（ ）___
A. 18天
B. 11天
C. 12天
D. 15天
E.
F.
【单选题】
根据《中国移动集团客户网络服务等级协议（SLA）规范（2014年修订版）》业务开通时限要求，金牌级互联网专线跨地市时限为（ ）___
A. 11天
B. 9天
C. 13天
D. 8天
E.
F.
【单选题】
根据《中国移动集团客户网络服务等级协议（SLA）规范（2014年修订版）》业务开通时限要求，金牌级互联网专线跨省时限为（ ）___
A. 10天
B. 11天
C. 9天
D. 14天
E.
F.
【单选题】
根据《中国移动集团客户网络服务等级协议（SLA）规范（2014年修订版）》业务开通时限要求，金牌级语音专线（不含专线接入）时限为（ ）___
A. 4天
B. 5天
C. 3天
D. 2天
E.
F.
【单选题】
根据《中国移动集团客户网络服务等级协议（SLA）规范（2014年修订版）》业务开通时限要求，金牌级语音专线（含专线接入）时限为（ ）___
A. 18天
B. 11天
C. 15天
D. 12天
E.
F.
【单选题】
根据《中国移动集团客户网络服务等级协议（SLA）规范（2014年修订版）》业务开通时限要求，铜牌级MPLS VPN专线地市内时限为（ ）___
A. 11天
B. 12天
C. 15天
D. 18天
E.
F.
【单选题】
Code=3的Radius协议包属于（ ）. ___
A. 请求认证过程
B. 认证响应过程
C. 请求计费过程
D. 认证拒绝过程
E.
F.
【单选题】
根据《中国移动集团客户网络服务等级协议（SLA）规范（2014年修订版）》业务开通时限要求，铜牌级互联网专线跨省时限为（ ）___
A. 10天
B. 14天
C. 9天
D. 11天
E.
F.
【单选题】
根据《中国移动集团客户网络服务等级协议（SLA）规范（2014年修订版）》业务开通时限要求，铜牌级语音专线（不含专线接入）时限为（ ）___
A. 4天
B. 2天
C. 5天
D. 3天
E.
F.
【单选题】
对PON口下所有ONU进行QINQ域的绑定应选择___
A. PON口绑定
B. ONU绑定
C. 绑定ONU后再绑顶PON口
D. 绑定PON口下再绑定ONU
E.
F.
【单选题】
根据《中国移动集团客户网络服务等级协议（SLA）规范（2014年修订版）》业务开通时限要求，铜牌级语音专线（含专线接入）时限为（ ）___
A. 11天
B. 18天
C. 12天
D. 15天
E.
F.
【单选题】
根据《中国移动集团客户网络服务等级协议（SLA）规范（2014年修订版）》业务开通时限要求，银牌互联网专线跨地市时限为（ ）___
A. 13天
B. 9天
C. 11天
D. 8天
E.
F.
【单选题】
根据《中国移动集团客户网络服务等级协议（SLA）规范（2014年修订版）》业务开通时限要求，银牌级MPLS VPN专线地市内时限为（ ）___
A. 12天
B. 15天
C. 18天
D. 11天
E.
F.
【单选题】
根据《中国移动集团客户网络服务等级协议（SLA）规范（2014年修订版）》业务开通时限要求，银牌级互联网网专线跨省时限为（ ）___
A. 11天
B. 10天
C. 9天
D. 14天
E.
F.
【单选题】
根据《中国移动集团客户网络服务等级协议（SLA）规范（2014年修订版）》业务开通时限要求，银牌级语音专线（不含专线接入）时限为（ ）___
A. 5天
B. 2天
C. 4天
D. 3天
E.
F.
【单选题】
根据《中国移动集团客户网络服务等级协议（SLA）规范（2014年修订版）》业务开通时限要求，银牌级语音专线（含专线接入）时限为（ ）___
A. 15天
B. 11天
C. 18天
D. 12天
E.
F.
【单选题】
根据SLA规范APN专线终端到客户端设备丢包率的指标要求为（ ）___
A. ≤10%
B. ≤5%
C. ≤2%
D. ≤15%
E.
F.
【单选题】
根据SLA规范APN专线终端到客户端设备延时的指标要求为（ ）___
A. ≤20ms
B. ≤50ms
C. ≤100ms
D. ≤30ms
E.
F.
【单选题】
DCCR通道是利用SDH开销的（ ）字节___
A. A1~A3
B. B1~B3
C. C1~C3
D. D1~D3
E.
F.
推荐试题
【单选题】
In which configuration do you configure the ip ospf authentication key 1 command？___
A. routing process
B. interface
C. privileged
D. global
【单选题】
Which statement about command authorization and security contexts is true？___
A. If command authorization is configured， it must be enabled on all contexts.
B. The change to command invokes a new context session with the credentials of the currently
C. AAA settings are applied on a per-context basis
D. The enable. 15 user ang admins with chang to permission ha e dfferent command authorization levels pertontext
【单选题】
Which command do you enter to enable authentication for OSPF on an interface？___
A. router（config-if）#ip ospf message-digest-key 1 md5 CIS COPASS
B. router（config-if）#ip ospf authentication message-digest
C. router（config-if）#ip ospf authentication-key CISCOPASS
D. router（config-if）#area 0 authentication message-digest
【单选题】
What feature defines a campus area network？___
A. It has a single geographic location
B. It lacks external connectivity.
C. It has a limited number of segments.
D. It has limited or restricted Internet access
【单选题】
Which type of attack most commonly involves a direct attack on a network？___
A. :phishing
B. Trojan horse
C. denial of service
D. social engineering
【单选题】
What information does the key length provide in an encryption algorithm?___
A. the cipher block size
B. the hash bloc k size
C. the number of permutations
D. the packet size
【单选题】
How do you verify TaCACS+ connectivity to a device？___
A. You successfully log in to the device by using the local credentials
B. You connect via console port and receive the login prompt.
C. You connect to the device using SSH and receive the login prompt.
D. You successfully log in to the device by using ACS credentials
【单选题】
Which term best describes the concept of preventing the modification of data in transit and in storage？___
A. availability
B. confidentially
C. fidelity
D. integrity
【单选题】
Which loS command is used to define the authentication key for ntp？___
A. switch（config ）#ntp authentication-key 1 mds Clcs
B. switch（config ）#ntp authenticate
C. switch（config）#ntp trusted-key 1
D. switch（config）#ntp source 192.168.0.1
【单选题】
What is true about the cisco lOS Resilient Configuration feature ?___
A. The feature can be disabled through a remote session
B. There is additional space required to secure the primary cisco lOS image file.
C. The feature automatically detects image or configuration version mismatch.
D. Remote storage is used for securing files
【单选题】
When is the default deny all policy an exception in zone-based firewalls？___
A. when traffic terminates on the router via the self zone
B. when traffic traverses two interfaces in different zones
C. when traffic traverses two interfaces in the same zone
D. when traffic sources from the router via the self zone
【单选题】
.If an access port is assigned as an isolated port in a PVLAN， which network ports can it communicate with？___
A. promiscuous ports in the same PLVAN
B. isolated ports in the same PVLAN
C. all ports in the same PAVLAN at ILAR
D. all ports in the adjacent PVLAN
【单选题】
Which IPSEC mode is used to encypt traffic directly between a client and a server VPN endpoint？___
A. quick mode
B. transport mode
C. aggressive mode
D. tunnel mode
【单选题】
Which command do you enter to verify that a vpn connection is established between two endpoints and that the connection is passing traffic？ ___
A. Firewall#sh crypto session
B. Firewall#debug crypto isakmp
C. Firewall#tsh crypto ipsec sa
D. Firewall#sh crypto isakmp sa
【单选题】
which type of Pvlan port allows communication from all port types？___
A. isolated
B. in -line
C. community
D. promiscuous
【单选题】
Which command do you enter to configure your firewall to conceal internal addresses？___
A. no ip directed-broadcast
B. no ip logging facility
C. no proxy-arp
D. no ip inspect audit-trial
E. no ip inspect
F. route
【单选题】
Which feature defines a campus area network？ ___
A. It has a limited number of segments.
B. It has limited or restricted Internet access
C. It lacks ex1ternal connectivity.
D. It has a single geographic location
【单选题】
What technology can you use to provide data confidentiality data integrity and data origin authentication on your network？___
A. IPSec
B. Certificate Authority
C. IKE
D. Data
E. ncryption Standards
【单选题】
which standard is a hybrid protocol that uses oakley and skerne ke y exchanges is an ISAKMP framework？___
【单选题】
What is the actual los privilege level of User Exec mode？___
【单选题】
What is the effect of the asa command crypto isakmp nat-traversal？___
A. It opens port 500 only on the out side interface
B. It opens port 500 only on the inside interface
C. It opens port 4500 on all interfaces that are IPSec enabled
D. It opens port 4500 only on the out side interfac
【单选题】
Which Fire POWER preproce ssor engine is used to prevent SYN attacks？___
A. Inline normalization
B. IP Defragmentation
C. Ports can
D. etection
【单选题】
Which NAT type allows objects or groups to reference an IP address ？___
A. identity NAt
B. static NAT
C. dynamic
D. dynamic NAT
【单选题】
Which Auto NAT policies are processed first？___
A. Dynamic NAT with longest prefix
B. Dynamic NAT with shortest prefix
C. static NAT with longest prefix
D. static NAT with shortest prefix
【单选题】
Which feature allows a dynamic Pat pool to se lect the next address in the pat pool instead of the next port of an existing address？___
A. next IP
B. round robin
C. dynamic rotation
D. NAT address rotation
【单选题】
Which IPS detection method can you use to detect attacks that are based on the attackers IP address？___
A. anomally-based
B. policy-based
C. signature-based
D. reputation-based
【单选题】
Which type of encryption technology has the broadest platform support？___
A. software
B. middleware
C. file-level
D. hardware
【单选题】
Which type of address translation supports the initiation of comm unications bidirectionally ？___
A. multi-session PAT
B. dynamic NAT
C. dynamic PAT
D. static NAT
【单选题】
Which label is given to a person who uses existing computer scripts to hack into computers while lacking the expertise to write the own？___
A. script kiddy
B. white hat hacker
C. hacktivist
D. phreaker
【单选题】
What is the primary purpose of a defined rule in an IPS？___
A. to configure an event action that takes place when a signature is triggered
B. to define a set of actions that occur when a specific user logs in to the system
C. to configure an event action that is pre-defined by the system administrator
D. to detect internal attacks
【单选题】
Which option is the default valuce for the Diffie- Hell man group when configuring a site-to-site VPn on an asa device ？___
A. Group 1
B. Group 2
C. Group 5
D. Group 7
【单选题】
Which feature filters CoPP packets?___
A. access control lists
B. class maps
C. policy maps
D. route maps
【单选题】
Which command is used in global configuration mode to enable AAA？___
A. configure-model aaa
B. configure aaa-modelA
C. aaa new-model
D. aaa
E. XEC
【单选题】
Which statement about the given configuration is true？___
A. The single-connection command causes the device to establish one connection for all TACACS
B. The single-connection command causes the device to process one TacAcs request and then move to the next server
C. The timeout com mand causes the device to move to the next server after 20 seconds of TACACS inactive
【多选题】
What are two well-known security terms？___
A. phishing//网络钓鱼
B. ransomware //勒索软件
C. BPDU guard
D. LACP
E. hair-pinning
【多选题】
Which two commands must you enter to securely archive the primary bootset of a device___
A. router（config ）#secure boot-config
B. router（config）#auto secure
C. router（config）#secure boot-image
D. router（config）#service passw ord-encryption
【多选题】
Which two functions can SIEM provide ？___
A. correlation between logs and events from multiple systems
B. event aggregation that allows for reduced log storage requirements
C. proactive malware analysis to block malicious traffic
D. dual-factor authentication
E. centralized firewall management
【多选题】
Which two features of Cisco Web Reputation tracking can mitigate web-based threats？___
A. buffer overflow filterin dhsuowip
B. Bayesian filters
C. web reputation filters
D. outbreak filtering
E. exploit filtering
【多选题】
What are two challenges when deploying host- level IPS？ ___
A. The deployment must support multiple operating systems.
B. It is unable to provide a complete networ k picture of an attack.
C. It is unable to determine the outcome of e very attack that it detects
D. It does not provide protection for offsite computers
E. It is unable to detect fragmentation attacks
【多选题】
Which technology can be used to rate data fidelity and to provide an authenticated hash for data?___
A. file reputation
B. file analysis
C. signature updates
D. network blocking
