CiscoWorks IP Telephony Environment Monitor (ITEM) provides what two serviceability capabilities?（）

A . It uses SNMP v1. B . It scans devices for hardware information. C . It scans and records the operational status of devices. D . When the configuration of a device changes, the inventory is automatically updated.

A . The three required steps in the analog to digital conversion are sampling，encoding，and compression. B . The three required steps in the analog to digital conversion are sampling，quantization，and compression. C . The three required steps in the analog to digital conversion are sampling，quantization，and encoding. D . The output of the sampling process is a pulse code modulation （PCM） signal. E . The output of the sampling process is a pulse amplitude modulation （PAM） signal.

A . 正确 B . 错误

A . 用户管理、系统管理 B . 系统管理、对实时状态的各项统计数据进行监控 C . 用户管理、对实时状态的各项统计数据进行监控 D . 服务器管理和权限设置

A . There is lower bandwidth consumption for VoIP media streams. B . Teleworkers can have the same extensions and inward-dialing numbers at their office desks and home offices. C . Personal calls are routed directly through the residential PSTN line. D . Teleworkers can have different extensions at their office desks and home offices. E . There is less burden on Cisco CallManager for signaling traffic. F . Incoming calls are first routed to the office desks, then to the home offices.

A . Voice gateway B . Private branch exchange (PBX) C . Advanced audio conferencing software D . IP telephone

A . Call management software B . Media Convergence Servers (MCSs) C . Voice gateways D . IP telephone

A . 外部的管理数据库 B . 基于桌面用户界面 C . 对于ciscoworks的应用程序的安全访问 D . FTP服务器技术

A . IPM should not be run on a production network.  B . IPM helps verify if a Service Provider is meeting the Service Level Agreement.  C . IPM contains a database that can store data on latency, jitter, and drops of voice packets over a period of weeks or months.  D . The QoS service policy should contain an allocation of sufficient bandwidth in the priority queue (LLQ) for both the SAA probe simulating a voice call and the voice call. If not, voice quality will suffer.

A . 设备管理 B . 拓扑变更管理 C . 配置管理 D . 软件管理

A . 局域网管理解决方案 B . 基于AIX/HP-UX的园区网包 C . 服务管理解决方案 D . 广域网管理解决方案

A . IP telephones B . Voice gateways C . Call management software D . Media Convergence Servers (MCSs)

A .  It uses SNMP v1. B .  It scans devices for hardware information. C .  It scans and records the operational status of devices. D .  When the configuration of a device changes， the inventory is automatically updated.

A . IP phones require inline power and must be in separate VLAN to receive inline power B . IP telephony applications require prioritization over other traffic as they are more delaysensitive C . IP phones can only receive IP addresses through DHCP if they are in separate VLAN D . The CDP frames from the IP phone can only be recognized by the switch if the phone is in anauxiliary vla

A . 正确 B . 错误

A . core distribution access B . multisite with centralized call processing C . multisite with distributed call processing D . clustering over WAN E . PSTN-WAN F . Enterprise Composite Model

A .  Cisco Catalyst switches B .  Cisco SOHO routers C .  Cisco 7000 Series WAN edge routers D .  Cisco integrated Services Router

A . Common Service B . Resource Manager Essentials C . Campus Mnager D . Devices Faults Manager E . Internet Performance Monitor

A . JTAPI  B . Cisco Media  C . VXML  D . MRCP ASR  E . MRCP TTS&e

A．1799 B．1711 C．1741 D．1272

A．实时监视器 B．内容流量监视器 C．故障设备管理器 D．图形设备管理工具

是 否